Relevant bibliographies by topics / Interpolation transition

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Interpolation transition'

Author: Grafiati
Published: 25 May 2024

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Journal articles on the topic "Interpolation transition"

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Liu, Chao, and Hui Wang. "A real-time predictor-modification-evaluation–corrector-modification-evaluation parametric interpolator for numerical control transition curves." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 234, no. 1-2 (June 18, 2019): 95–107. http://dx.doi.org/10.1177/0954405419856951.

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A real-time parametric interpolator based on a predictor-modification-evaluation–corrector-modification-evaluation algorithm is proposed in this article, which is utilized to efficiently calculate the reference points of transition curves. Meanwhile, the stable calculation is guaranteed by analyzing the convergence condition of the predictor-modification-evaluation–corrector-modification-evaluation algorithm. Under the convergence condition, the proposed parametric interpolator and traditional line interpolators are simultaneously implemented to interpolate a two-dimensional butterfly path, which consists of quintic Bézier transition curves and line segments. Simulation and experiments are carried out, and the results demonstrate that the proposed real-time predictor-modification-evaluation–corrector-modification-evaluation parametric interpolator achieves the highest accuracy and the light stripe on the tool path is further reduced and hardly observed. Compared with other parametric interpolators, the proposed real-time predictor-modification-evaluation–corrector-modification-evaluation parametric interpolator is capable of achieving a good balance between interpolation accuracy and interpolation efficiency.
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Lee, Byung Ho, Soon Woo Park, Soojin Jo, and Moon Ki Kim. "Protein conformational transitions explored by a morphing approach based on normal mode analysis in internal coordinates." PLOS ONE 16, no. 11 (November 4, 2021): e0258818. http://dx.doi.org/10.1371/journal.pone.0258818.

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Large-scale conformational changes are essential for proteins to function properly. Given that these transition events rarely occur, however, it is challenging to comprehend their underlying mechanisms through experimental and theoretical approaches. In this study, we propose a new computational methodology called internal coordinate normal mode-guided elastic network interpolation (ICONGENI) to predict conformational transition pathways in proteins. Its basic approach is to sample intermediate conformations by interpolating the interatomic distance between two end-point conformations with the degrees of freedom constrained by the low-frequency dynamics afforded by normal mode analysis in internal coordinates. For validation of ICONGENI, it is applied to proteins that undergo open-closed transitions, and the simulation results (i.e., simulated transition pathways) are compared with those of another technique, to demonstrate that ICONGENI can explore highly reliable pathways in terms of thermal and chemical stability. Furthermore, we generate an ensemble of transition pathways through ICONGENI and investigate the possibility of using this method to reveal the transition mechanisms even when there are unknown metastable states on rough energy landscapes.
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Luo, Jun, and Ying Chen. "Colour Restoration of Image Obtained from CCD Sensor Directly." Cybernetics and Information Technologies 14, no. 2 (July 15, 2014): 81–91. http://dx.doi.org/10.2478/cait-2014-0021.

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Abstract The original image data obtained from Charge-coupled Device (CCD) can be called original data, which is lack of color information. In order to restore the color of original image, firstly, we design a Bayer color filter array, and then we use bilinear interpolation algorithm and smooth hue transition interpolation algorithm to restore the color of original image. However, the hues of adjacent pixels change abruptly by the bilinear interpolation, therefore, we use smooth hue transition interpolation to enhance the edge of original image, and finally we identify the ultimate performance of these interpolation algorithms.
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Zemlyakova, Irina A. "Interpolation of an Incomplete Market by a Complete One for a Trinomial Model in the Quantile Hedging Problem." UNIVERSITY NEWS. NORTH-CAUCASIAN REGION. NATURAL SCIENCES SERIES, no. 4-1 (216-1) (December 28, 2022): 21–28. http://dx.doi.org/10.18522/1026-2237-2022-4-1-21-28.

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The transition from an incomplete market to a complete market is considered using Haar interpolating filtering. With Haar interpolation, in the case of a transition from the current level of the tree to the next, only one atom is split into two parts, while the remaining atoms do not change. In the course of this interpolation, a complete market arises, for which the martingale measure is already unique. The question arises related to the choice of a single martingale measure for the resulting complete market. As this measure, one of the extreme martingale measures is chosen, the distance from which to the market measure will be the smallest. The Kullback-Leibler distance is chosen as a tool for determining the measure of distance of the extreme martingale measure from the market one. A solution to the quantile hedging problem is constructed for the full market obtained in the course of interpolation. This solution is based on the duality theory of linear programming. The study of the problem of quantile hedging for the trinomial model continues. A computational experiment is proposed, during which there is a transition from an incomplete market to a complete one and the problem of quantile hedging is solved for the resulting complete market. The conclusion about the possibility of reducing the trinomial model to the binomial one is obtained.
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Earshia V., Diana, and Sumathi M. "Interpolation of Low-Resolution Images for Improved Accuracy Using an ANN Quadratic Interpolator." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 4s (April 3, 2023): 135–40. http://dx.doi.org/10.17762/ijritcc.v11i4s.6319.

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The era of digital imaging has transitioned into a new one. Conversion to real-time, high-resolution images is considered vital. Interpolation is employed in order to increase the number of pixels per image, thereby enhancing spatial resolution. Interpolation's real advantage is that it can be deployed on user end devices. Despite raising the number of pixels per inch to enhances the spatial resolution, it may not improve the image's clarity, hence diminishing its quality. This strategy is designed to increase image quality by enhancing image sharpness and spatial resolution simultaneously. Proposed is an Artificial Neural Network (ANN) Quadratic Interpolator for interpolating 3-D images. This method applies Lagrange interpolating polynomial and Lagrange interpolating basis function to the parameter space using a deep neural network. The degree of the polynomial is determined by the frequency of gradient orientation events within the region of interest. By manipulating interpolation coefficients, images can be upscaled and enhanced. By mapping between low- and high-resolution images, the ANN quadratic interpolator optimizes the loss function. ANN Quadratic interpolator does a good work of reducing the amount of image artefacts that occur during the process of interpolation. The weights of the proposed ANN Quadratic interpolator are seeded by transfer learning, and the layers are trained, validated, and evaluated using a standard dataset. The proposed method outperforms a variety of cutting-edge picture interpolation algorithms..
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Imanian, Hanifeh, Hamidreza Shirkhani, Abdolmajid Mohammadian, Juan Hiedra Hiedra Cobo, and Pierre Payeur. "Spatial Interpolation of Soil Temperature and Water Content in the Land-Water Interface Using Artificial Intelligence." Water 15, no. 3 (January 25, 2023): 473. http://dx.doi.org/10.3390/w15030473.

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The distributed measured data in large regions and remote locations, along with a need to estimate climatic data for point sites where no data have been recorded, has encouraged the implementation of spatial interpolation techniques. Recently, the increasing use of artificial intelligence has become a promising alternative to conventional deterministic algorithms for spatial interpolation. The present study aims to evaluate some machine learning-based algorithms against conventional strategies for interpolating soil temperature data from a region in southeast Canada with an area of 1000 km by 550 km. The radial basis function neural networks (RBFN) and the deep learning approach were used to estimate soil temperature along a railroad after the spline deterministic spatial interpolation method failed to interpolate gridded soil temperature data on the desired locations. The spline method showed weaknesses in interpolating soil temperature data in areas with sudden changes. This limitation did not improve even by increasing the spline nonlinearity. Although both radial basis function neural networks and the deep learning approach had successful performances in interpolating soil temperature data even in sharp transition areas, deep learning outperformed the former method with a normalized RMSE of 9.0% against 16.2% and an R-squared of 89.2% against 53.8%. This finding was confirmed in the same investigation on soil water content.
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Liu, Xiao-Ming, Jun Jiang, Ling Hong, Zigang Li, and Dafeng Tang. "Fuzzy Noise-Induced Codimension-Two Bifurcations Captured by Fuzzy Generalized Cell Mapping with Adaptive Interpolation." International Journal of Bifurcation and Chaos 29, no. 11 (October 2019): 1950151. http://dx.doi.org/10.1142/s0218127419501517.

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In this paper, the Fuzzy Generalized Cell Mapping (FGCM) method is developed with the help of the Adaptive Interpolation (AI) in the space of fuzzy parameters. The adaptive interpolation on the set-valued fuzzy parameter is introduced in computing the one-step transition membership matrix to enhance the efficiency of the FGCM. For each of initial points in the state space, a coarse database is constructed at first, and then interpolation nodes are inserted into the database iteratively each time errors are examined with the explicit formula of interpolation error until the maximal errors are just under the error bound. With such an adaptively expanded database on hand, interpolating calculations assure the required accuracy with maximum efficiency gains. The new method is termed as Fuzzy Generalized Cell Mapping with Adaptive Interpolation (FGCM with AI), and is used to investigate codimension-two bifurcations in two-dimensional and three-dimensional nonlinear dynamical systems with fuzzy noise. It is found that global changes in fuzzy dynamics are dominated by the underlying deterministic counterparts, and the fuzzy attractor expands along the unstable manifold leading to a collision with a saddle when a bifurcation occurs. The examples show that the FGCM with AI has a thirtyfold to fiftyfold efficiency over the traditional FGCM to achieve the same analyzing accuracy.
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Fudge, T. J., E. D. Waddington, H. Conway, J. M. D. Lundin, and K. Taylor. "Interpolation methods for Antarctic ice-core timescales: application to Byrd, Siple Dome and Law Dome ice cores." Climate of the Past 10, no. 3 (June 19, 2014): 1195–209. http://dx.doi.org/10.5194/cp-10-1195-2014.

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Abstract. Antarctic ice cores have often been dated by matching distinctive features of atmospheric methane to those detected in annually dated ice cores from Greenland. Establishing the timescale between these tie-point ages requires interpolation. While the uncertainty at tie points is relatively well described, uncertainty of the interpolation is not. Here we assess the accuracy of three interpolation schemes using data from the WAIS Divide ice core in West Antarctica; we compare the interpolation methods with the annually resolved timescale for the past 30 kyr. Linear interpolation yields large age errors (up to 380 years) between tie points, abrupt changes in duration of climate events at tie points, and an age bias. Interpolations based on the smoothest accumulation rate (ACCUM) or the smoothest annual-layer thickness (ALT) yield timescales that more closely agree with the annually resolved timescale and do not have abrupt changes in duration at tie points. We use ALT to assess the uncertainty in existing timescales for the past 30 kyr from Byrd, Siple Dome, and Law Dome. These ice-core timescales were developed with methods similar to linear interpolation. Maximum age differences exceed 1000 years for Byrd and Siple Dome, and 500 years for Law Dome. For the glacial–interglacial transition (21 to 12 kyr), the existing timescales are, on average, older than ALT by 40 years for Byrd, 240 years for Siple Dome, and 150 years for Law Dome. Because interpolation uncertainty is often not considered, age uncertainties for ice-core records are often underestimated.
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Liu, Xiao-Ming, Jun Jiang, Ling Hong, and Dafeng Tang. "Studying the Global Bifurcation Involving Wada Boundary Metamorphosis by a Method of Generalized Cell Mapping with Sampling-Adaptive Interpolation." International Journal of Bifurcation and Chaos 28, no. 02 (February 2018): 1830003. http://dx.doi.org/10.1142/s0218127418300033.

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In this paper, a new method of Generalized Cell Mapping with Sampling-Adaptive Interpolation (GCMSAI) is presented in order to enhance the efficiency of the computation of one-step probability transition matrix of the Generalized Cell Mapping method (GCM). Integrations with one mapping step are replaced by sampling-adaptive interpolations of third order. An explicit formula of interpolation error is derived for a sampling-adaptive control to switch on integrations for the accuracy of computations with GCMSAI. By applying the proposed method to a two-dimensional forced damped pendulum system, global bifurcations are investigated with observations of boundary metamorphoses including full to partial and partial to partial as well as the birth of fully Wada boundary. Moreover GCMSAI requires a computational time of one thirtieth up to one fiftieth compared to that of the previous GCM.
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Huang, Jian, Ai Ping Song, Jian Ming Tao, and Dan Ping Yi. "Method of Corner Smooth Transition Based on Interpolation Spline." Advanced Materials Research 655-657 (January 2013): 1260–66. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.1260.

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Adjustable form cubic interpolation spline curve, changing its form adjustment coefficient can adjust the curvature radius and shape. Using this spline curve can realize the high-speed smooth connecting between adjacent processing trajectory during NC movement. To internal outline corner transition, use cambered spline transfer curve; To external outline corner transition, can use cambered or toroidal spline transfer curve. During the corner transition process, keep the speed constant, adjust the curvature the curvature radius to control the value of acceleration. Corner smooth transition based on the interpolation spline, can effectively reduce the mutation of acceleration, improve processing efficiency, and weaken the impact to the machine tool.
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Dissertations / Theses on the topic "Interpolation transition"

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Severo, Franco. "Interpolation schemes in percolation theory." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASM004.

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Cette thèse fournit de nouveaux résultats concernant la transition de phase des modèles de percolation, en particulier la percolation de Bernoulli et les lignes de niveau du champ libre gaussien. La technique commune utilisée dans ces résultats consiste à comparer deux modèles de percolation différents en construisant une famille de modèles interpolant entre les deux. L’objectif principal de cette thèse est d’illustrer comment cette technique peut être appliquée dans un large contexte
This thesis provides new results concerning the phase transition of percolation models, specially Bernoulli percolation and level-sets of the Gaussian free field. The common technique used in theses results consists in comparing two different percolation models by continuously interpolating between them. The main purpose of this thesis is to illustrate how this technique can be applied to a wider variety of contexts than those previously studied
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Wong, Tzu Yen. "Image transition techniques using projective geometry." University of Western Australia. School of Computer Science and Software Engineering, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0149.

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[Truncated abstract] Image transition effects are commonly used on television and human computer interfaces. The transition between images creates a perception of continuity which has aesthetic value in special effects and practical value in visualisation. The work in this thesis demonstrates that better image transition effects are obtained by incorporating properties of projective geometry into image transition algorithms. Current state-of-the-art techniques can be classified into two main categories namely shape interpolation and warp generation. Many shape interpolation algorithms aim to preserve rigidity but none preserve it with perspective effects. Most warp generation techniques focus on smoothness and lack the rigidity of perspective mapping. The affine transformation, a commonly used mapping between triangular patches, is rigid but not able to model perspective effects. Image transition techniques from the view interpolation community are effective in creating transitions with the correct perspective effect, however, those techniques usually require more feature points and algorithms of higher complexity. The motivation of this thesis is to enable different views of a planar surface to be interpolated with an appropriate perspective effect. The projective geometric relationship which produces the perspective effect can be specified by two quadrilaterals. This problem is equivalent to finding a perspectively appropriate interpolation for projective transformation matrices. I present two algorithms that enable smooth perspective transition between planar surfaces. The algorithms only require four point correspondences on two input images. ...The second algorithm generates transitions between shapes that lie on the same plane which exhibits a strong perspective effect. It recovers the perspective transformation which produces the perspective effect and constrains the transition so that the in-between shapes also lie on the same plane. For general image pairs with multiple quadrilateral patches, I present a novel algorithm that is transitionally symmetrical and exhibits good rigidity. The use of quadrilaterals, rather than triangles, allows an image to be represented by a small number of primitives. This algorithm uses a closed form force equilibrium scheme to correct the misalignment of the multiple transitional quadrilaterals. I also present an application for my quadrilateral interpolation algorithm in Seitz and Dyer's view morphing technique. This application automates and improves the calculation of the reprojection homography in the postwarping stage of their technique. Finally I unify different image transition research areas into a common framework, this enables analysis and comparison of the techniques and the quality of their results. I highlight that quantitative measures can greatly facilitate the comparisons among different techniques and present a quantitative measure based on epipolar geometry. This novel quantitative measure enables the quality of transitions between images of a scene from different viewpoints to be quantified by its estimated camera path.
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Selme, Marie-Odile. "Étude en liaisons fortes de la structure éléctronique des impuretés de transition et de défauts superficiels dans le titanate de strontium." Nancy 1, 1986. http://docnum.univ-lorraine.fr/public/SCD_T_1986_0329_SELME.pdf.

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L'étude de la structure électronique des impuretés est effectuée à partir d'une paramètrisation en liaison forte de la structure de bandes au moyen des fonctions de green obtenues a partir de la méthode de récursion. Les niveaux du fer, du nickel, du vanadium, du cobalt, du chrome et du manganèse, isolés ou associés à une lacune d'oxygène sont étudiés. Dans le cas des processus de transfert de charge à partir de la bande de valence, la forme des spectres des transitions optiques est déduite et comparée aux spectres optiques expérimentaux.
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Vergnet, Hadrien. "Génération d'ondes THz avec deux nanostructures lamellaires : les microcavités d'AlGaAs et les films minces de PtSe2." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS473.

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La gamme Thz du spectre électromagnétique est un domaine historiquement difficile d'accès. Durant les trois dernières décennies de nombreux progrès techniques ont été réalisés dans la fabrication de sources et de détecteurs de rayonnement THz. Ces avancées ont permis de découvrir tout le potentiel applicatif des fréquences THz mais on manque encore de sources compactes et performantes. Cette thèse est consacrée à l'étude de la génération d'ondes THz par deux nanostructures lamellaires. La première structure étudiée est une microcavité réalisée à l'aide de couches nanométriques d'alliage d'AlGaAs. Nous montrons que la formation de niveaux polaritonique par couplage fort entre des puits quantiques asymétriques et une microcavité double permet de concevoir une transition interpolaritons optimisée dans le domaine THz. Nous détaillons alors la caractérisation expérimentale d'un échantillon et nous montrons la présence d'une émission THz d'origine thermique sans lien avec les transitions interpolaritons et nous présentons des pistes pour l'amélioration des échantillons.La seconde structure étudiée est le PtSe2 en couches minces, un nouveau matériau 2D appartenant à la famille des TMD. Nous caractérisons expérimentalement la transition entre semi-conducteur et semi-métal avec l'augmentation d'épaisseur des échantillons à l'aide de mesure du gap optique et de conductivité. Nous montrons la présence d'une émission THz issue d'un processus non linéaire du second ordre. Finalement nous montrons en développant un formalisme adapté que cette émission est due aux effets photogalvanique et d'entraînement par les photons linéaires
Historically, the THz domain of the electromagnetic spectrum has been difficult to access. During the past three decades, many technical advances have been made allowing the creation of THz radiation sources and detectors. These advances made it possible to discover the numerous potential applications of THz frequencies. But to this day, there is still a lack of high-performance, compact and cost effective sources and detectors that would be suitable for industrial applications.In this thesis we study the generation of THz radiation by two lamellar nanostructures.The first structure studied is a microcavity made using nanometric layers of AlGaAs alloys. We show that the formation of polariton levels by the strong coupling between asymmetric quantum wells and a double microcavity allows the design of an optimized interpolariton transition in the THz domain. We then detail the experimental characterization of a sample and we show the presence of a THz emission caused by thermal processes unrelated to the interpolariton transition. We conclude by presenting prospects for the improvement of the samples.The second structure studied is PtSe2 in the thin film form, a novel 2D material that belongs to the TMD family. We characterize experimentally the transition between semiconductor and semi-metal that follows with the increasing thickness of the samples using optical bandgap and conductivity measurements. We show the presence of a THz emission that results from second order nonlinear processes. Finally we show by developing an adapted formalism that this emission is can be mainly attributed to the linear photogalvanic and photon drag effects
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Allowatt, Anthony James. "PhETA: An Interactive Tool for Analyzing the Quality of Digital Photographs from Edge Transitions." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/35735.

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The goal of this thesis is to build an interactive tool for analyzing the quality of a digital image and predicting the scale at which it may be published. Since edges are present almost everywhere in most digital images, we use a mathematical edge model as the basis of analysis. In particular, we are interested in the luminance and chromaticity behavior at edge boundaries. We use this model to develop PhETA — Photograph Edge Transition Analyzer — an interactive tool that allows novice users to view and understand the results gained from this analysis in a clear and simple manner.
Master of Science
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Wooller, René William. "Techniques for automated and interactive note sequence morphing of mainstream electronic music." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/20232/1/Rene_Wooller_Thesis.pdf.

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Note sequence morphing is the combination of two note sequences to create a ‘hybrid transition’, or ‘morph’. The morph is a ‘hybrid’ in the sense that it exhibits properties of both sequences. The morph is also a ‘transition’, in that it can segue between them. An automated and interactive approach allows manipulation in realtime by users who may control the relative influence of source or target and the transition length. The techniques that were developed through this research were designed particularly for popular genres of predominantly instrumental electronic music which I will refer to collectively as Mainstream Electronic Music (MEM). The research has potential for application within contexts such as computer games, multimedia, live electronic music, interactive installations and accessible music or “music therapy”. Musical themes in computer games and multimedia can morph adaptively in response to parameters in realtime. Morphing can be used by electronic music producers as an alternative to mixing in live performance. Interactive installations and accessible music devices can utilise morphing algorithms to enable expressive control over the music through simple interface components. I have developed a software application called LEMorpheus which consists of software infrastructure for morphing and three alternative note sequence morphing algorithms: parametric morphing, probabilistic morphing and evolutionary morphing. Parametric morphing involves converting the source and target into continuous envelopes, interpolation, and converting the interpolated envelopes back into note sequences. Probabilistic morphing involves converting the source and target into probability matrices and seeding them on recent output to generate the next note. Evolutionary morphing involves iteratively mutating the source into multiple possible candidates and selecting those which are judged as more similar to the target, until the target is reached. I formally evaluated the probabilistic morphing algorithm by extracting qualitative feedback from participants in a live electronic music situation, benchmarked against a live, professional DJ. The probabilistic algorithm was competitive, being favoured particularly for long morphs. The evolutionary morphing algorithm was formally evaluated using an online questionnaire, benchmarked against a human composer/producer. For particular samples, the morphing algorithm was competitive and occasionally seen as innovative; however, the morphs created by the human composer typically received more positive feedback, due to coherent, large scale structural changes, as opposed to the forced continuity of the morphing software.
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Wooller, René William. "Techniques for automated and interactive note sequence morphing of mainstream electronic music." Queensland University of Technology, 2007. http://eprints.qut.edu.au/20232/.

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Note sequence morphing is the combination of two note sequences to create a ‘hybrid transition’, or ‘morph’. The morph is a ‘hybrid’ in the sense that it exhibits properties of both sequences. The morph is also a ‘transition’, in that it can segue between them. An automated and interactive approach allows manipulation in realtime by users who may control the relative influence of source or target and the transition length. The techniques that were developed through this research were designed particularly for popular genres of predominantly instrumental electronic music which I will refer to collectively as Mainstream Electronic Music (MEM). The research has potential for application within contexts such as computer games, multimedia, live electronic music, interactive installations and accessible music or “music therapy”. Musical themes in computer games and multimedia can morph adaptively in response to parameters in realtime. Morphing can be used by electronic music producers as an alternative to mixing in live performance. Interactive installations and accessible music devices can utilise morphing algorithms to enable expressive control over the music through simple interface components. I have developed a software application called LEMorpheus which consists of software infrastructure for morphing and three alternative note sequence morphing algorithms: parametric morphing, probabilistic morphing and evolutionary morphing. Parametric morphing involves converting the source and target into continuous envelopes, interpolation, and converting the interpolated envelopes back into note sequences. Probabilistic morphing involves converting the source and target into probability matrices and seeding them on recent output to generate the next note. Evolutionary morphing involves iteratively mutating the source into multiple possible candidates and selecting those which are judged as more similar to the target, until the target is reached. I formally evaluated the probabilistic morphing algorithm by extracting qualitative feedback from participants in a live electronic music situation, benchmarked against a live, professional DJ. The probabilistic algorithm was competitive, being favoured particularly for long morphs. The evolutionary morphing algorithm was formally evaluated using an online questionnaire, benchmarked against a human composer/producer. For particular samples, the morphing algorithm was competitive and occasionally seen as innovative; however, the morphs created by the human composer typically received more positive feedback, due to coherent, large scale structural changes, as opposed to the forced continuity of the morphing software.
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Restrepo, Ricardo Leon. "Automatic algorithm for accurate numerical gradient calculation in general and complex spacecraft trajectories." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-12-2624.

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An automatic algorithm for accurate numerical gradient calculations has been developed. The algorithm is based on both finite differences and Chebyshev interpolation approximations. The novelty of the method is an automated tuning of the step size perturbation required for both methods. This automation guaranties the best possible solution using these approaches without the requirement of user inputs. The algorithm treats the functions as a black box, which makes it extremely useful when general and complex problems are considered. This is the case of spacecraft trajectory design problems and complex optimization systems. An efficient procedure for the automatic implementation is presented. Several examples based on an Earth-Moon free return trajectory are presented to validate and demonstrate the accuracy of the method. A state transition matrix (STM) procedure is developed as a reference for the validation of the method.
text
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Wilson, Robert Claborne. "Interpolation of spatial surfaces and inferring subsurface transitions using electrical conductivity." 2003. http://etd.utk.edu/2003/WilsonRobert.pdf.

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Thesis (M.S.)--University of Tennessee, Knoxville, 2003.
Title from title page screen (viewed Sept. 23, 2003). Thesis advisor: Robert S. Freeland. Document formatted into pages (x, 88 p. : ill. (chiefly col.), maps, charts). Vita. Includes bibliographical references.
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Books on the topic "Interpolation transition"

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Itzak, Levit, Stanley Gary Mitchel, and United States. National Aeronautics and Space Administration., eds. Evaluation of discretization procedures for transition elements in adaptive mesh refinement. Boulder, Colo: Center for Space Structures and Controls, College of Engineering, University of Colorado, 1991.

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Itzak, Levit, Stanley Gary Mitchel, and United States. National Aeronautics and Space Administration., eds. Evaluation of discretization procedures for transition elements in adaptive mesh refinement. Boulder, Colo: Center for Space Structures and Controls, College of Engineering, University of Colorado, 1991.

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3

Nicolae, Alexandru. Word Order and Parameter Change in Romanian. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198807360.001.0001.

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The book provides a comprehensive description and in-depth analysis of the major word order changes affecting the clausal and the nominal domains in the transition from old to modern Romanian. The Romanian data are set in a comparative Romance perspective, and the impact of the Balkan Sprachbund and the influence of Old Church Slavonic on the word order changes taking place in the transition from old to modern Romanian are also analysed. The book examines a large number of phenomena: some of them are found across Romance (e.g. scrambling, interpolation, discontinuous constituents, variation in the position and linearization of DP-internal adjectival modifiers), others are rare in Romance (e.g. a low pronominal cliticization site), and still others are specific to old or modern Romanian (e.g. the double, proclitic and enclitic, realization of the same pronominal clitic, the low definite article, the adjectival article construction).
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Vurgaftman, Igor, Matthew P. Lumb, and Jerry R. Meyer. Bands and Photons in III-V Semiconductor Quantum Structures. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198767275.001.0001.

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Semiconductor quantum structures are at the core of many photonic devices such as lasers, photodetectors, solar cells etc. To appreciate why they are such a good fit to these devices, we must understand the basic features of their band structure and how they interact with incident light. This book takes the reader from the very basics of III-V semiconductors (some preparation in quantum mechanics and electromagnetism is helpful) and shows how seemingly obscure results such as detailed forms of the Hamiltonian, optical transition strengths, and recombination mechanisms follow. The reader does not need to consult other references to fully understand the material, although a few handpicked sources are listed for those who would like to deepen their knowledge further. Connections to the properties of novel materials such as graphene and transition metal dichalcogenides are pointed out, to help prepare the reader for contributing at the forefront of research. The book also supplies a complete, up-to-date database of the band parameters that enter into the calculations, along with tables of optical constants and interpolation schemes for alloys. From these foundations, the book goes on to derive the characteristics of photonic semiconductor devices (with a focus on the mid-infrared) using the same principles of building all concepts from the ground up, explaining all derivations in detail, giving quantitative examples, and laying out dimensional arguments whenever they can help the reader’s understanding. A substantial fraction of the material in this book has not appeared in print anywhere else, including journal publications.
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Book chapters on the topic "Interpolation transition"

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Blicha, Martin, Grigory Fedyukovich, Antti E. J. Hyvärinen, and Natasha Sharygina. "Transition Power Abstractions for Deep Counterexample Detection." In Tools and Algorithms for the Construction and Analysis of Systems, 524–42. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99524-9_29.

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AbstractWhile model checking safety of infinite-state systems by inferring state invariants has steadily improved recently, most verification tools still rely on a technique based on bounded model checking to detect safety violations. In particular, the current techniques typically analyze executions by unfolding transitions one step at a time, and the slow growth of execution length prevents detection of deep counterexamples before the tool reaches its limits on computations. We propose a novel model-checking algorithm that is capable of both proving unbounded safety and finding long counterexamples. The idea is to use Craig interpolation to guide the creation of symbolic abstractions of exponentially longer sequences of transitions. Our experimental analysis shows that on unsafe benchmarks with deep counterexamples our implementation can detect faulty executions that are at least an order of magnitude longer than those detectable by the state-of-the-art tools.
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Di Benedetto, Alessandro, and Margherita Fiani. "Integration of LiDAR Data into a Regional Topographic Database for the Generation of a 3D City Model." In Geomatics for Green and Digital Transition, 193–208. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-17439-1_14.

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AbstractTo analyze the resilience of road infrastructures to natural and anthropic hazards, the spatial and descriptive data provided by the Italian National Topographic Data Base (NTDB) and the 3D data coming from the LiDAR data of the “Ministero dell'Ambiente e della Tutela del Territorio e del Mare” (MATTM) can be used. The two datasets, having different nature, need to be properly joined. The aim of the work is the integration of the two datasets in a GIS environment for the 3D modelling of the anthropized territory and the optimization of the cartographic bases. On a test area, crossed by a network of linear infrastructures of great strategic importance and subjected to hydrogeological risk, an automated process has been implemented and tested in ArcGIS Desktop environment, to homogenize the data into the National Reference System. The planimetric component comes from the NTDB whereas the LiDAR data have been used to attribute the elevation to the extracted elements, to create the breaklines for a proper interpolation of the heights to build the Digital Terrain Model (DTM), to extract the height of the pitches of the buildings identified in the NTDB polygons, and finally to generate, filter and optimize the contour lines. The proposed workflow and the methodologies implemented also allowed the reconstruction of the volumes of each element involved (infrastructures and buildings) and to correct the altimetric aberrations present in the NTDB polygons.
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Roy, Subhabrata, and Abhijit Chandra. "A Study on the Optimum Selection of Interpolation Factor for the Design of Narrow Transition Band FIR Filter Using IBM." In Computers and Devices for Communication, 465–75. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8366-7_69.

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Karpenko, Anastasia. "Decidability of Some Interpolation Properties for Weakly Transitive Modal Logics." In Larisa Maksimova on Implication, Interpolation, and Definability, 171–83. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-69917-2_9.

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Rybakov, Vladimir V. "Linear Temporal Logic with Non-transitive Time, Algorithms for Decidability and Verification of Admissibility." In Larisa Maksimova on Implication, Interpolation, and Definability, 219–43. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-69917-2_11.

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Su, Jie, Zuchao Yang, Hengrui Xing, Jiyu Yang, Cong Tian, and Zhenhua Duan. "PIChecker: A POR and Interpolation based Verifier for Concurrent Programs (Competition Contribution)." In Tools and Algorithms for the Construction and Analysis of Systems, 571–76. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-30820-8_38.

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Abstract is a tool for verifying reachability properties of concurrent C programs. It moderates the trace-space explosion problem, aggravated by thread alternation, through utilizing the PC-DPOR and C-Intp techniques. The PC-DPOR technique constructs a constrained dependency graph to refine dependencies between transitions. With this basis, the inherent imprecision of the dependence over-approximation can be overcome. Thereby, many redundant equivalent traces are prevented from being explored. On the other hand, the C-Intp technique performs conditional interpolation to confine the reachable regions of states, so that infeasible conditional branches which occur more frequently in concurrent verification tasks could be pruned automatically. We have implemented the above techniques on top of the open-source program analysis framework .
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Kroening, Daniel, and Georg Weissenbacher. "An Interpolating Decision Procedure for Transitive Relations with Uninterpreted Functions." In Hardware and Software: Verification and Testing, 150–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19237-1_15.

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Yang, Tao, Peiran Ren, Xuansong Xie, Xian-Sheng Hua, and Lei Zhang. "Beyond a Video Frame Interpolator: A Space Decoupled Learning Approach to Continuous Image Transition." In Lecture Notes in Computer Science, 738–55. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-25069-9_47.

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Tilmanne, Joëlle, and Thierry Dutoit. "Continuous Control of Style and Style Transitions through Linear Interpolation in Hidden Markov Model Based Walk Synthesis." In Transactions on Computational Science XVI, 34–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-32663-9_3.

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Rajamani, Santhosh Kumar, and Radha Srinivasan Iyer. "Use of Python Modules in Ecological Research." In Perspectives on the Transition Toward Green and Climate Neutral Economies in Asia, 182–206. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-8613-9.ch011.

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Python is a popular programming language in the field of ecology and environmental research. Python is simple to use, has a sizable and active user community, and offers a plethora of libraries and frameworks that may be utilized for these types of Ecological studies. Python has many libraries for working with and analyzing large datasets, such as NumPy and pandas. It also has libraries for creating a wide range of visualizations, including Matplotlib and Seaborn. Python has a number of libraries for working with GIS data, including ArcPy (a library for working with ESRI's ArcGIS software) and GDAL/OGR (a library for working with raster and vector data). Python has a number of libraries for implementing machine learning algorithms, including scikit-learn and TensorFlow. These can be used to build models for predicting species distributions, forecasting the impacts of environmental changes, and so on. Python has a number of libraries for scientific computing, including NumPy and SciPy, which can be used for tasks such as numerical optimization, integration, and interpolation.
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Conference papers on the topic "Interpolation transition"

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ODABAS, ONUR, and NESRIN SARIGUL-KLIJN. "TRANSITION ELEMENTS BASED ON TRANSFINITE INTERPOLATION." In 34th Structures, Structural Dynamics and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1993. http://dx.doi.org/10.2514/6.1993-1326.

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Nam, Jeho, and Ahmed H. Tewfik. "Wipe transition detection using polynomial interpolation." In Photonics West 2001 - Electronic Imaging, edited by Minerva M. Yeung, Chung-Sheng Li, and Rainer W. Lienhart. SPIE, 2001. http://dx.doi.org/10.1117/12.410932.

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Ahmad, Azhar, Abdul Halim Amat, and Jamaluddin Md Ali. "Transition curve with G2 Hermite interpolation condition." In PROCEEDINGS OF THE 21ST NATIONAL SYMPOSIUM ON MATHEMATICAL SCIENCES (SKSM21): Germination of Mathematical Sciences Education and Research towards Global Sustainability. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4887597.

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Wang, Xintao, Ke Yu, Chao Dong, Xiaoou Tang, and Chen Change Loy. "Deep Network Interpolation for Continuous Imagery Effect Transition." In 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2019. http://dx.doi.org/10.1109/cvpr.2019.00179.

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"Automatic Variable-timing Animation Transition based on Hierarchical Interpolation Method." In International Conference on Computer Graphics Theory and Applications. SCITEPRESS - Science and and Technology Publications, 2015. http://dx.doi.org/10.5220/0005264703090316.

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Salah, Ali Ameur Haj, Tarek Garna, and Hassani Messaoud. "Controller interpolation methods for transition and control of nonlinear systems." In 2016 International Conference on Control, Decision and Information Technologies (CoDIT). IEEE, 2016. http://dx.doi.org/10.1109/codit.2016.7593660.

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Crnkic, Edin, Lijuan He, and Yan Wang. "Loci Surface Guided Crystal Phase Transition Pathway Search." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47750.

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Recently a periodic surface model was developed to assist geometric construction in computer-aided nano-design. This implicit surface model helps create super-porous nano structures parametrically and support crystal packing. In this paper, we propose a new approach for pathway search in phase transition simulation of crystal structures. The approach relies on the interpolation of periodic loci surface models. Respective periodic plane models are reconstructed from the positions of individual atoms at the initial and final states, and surface correspondence are found. With geometric constraints imposed based on physical and chemical properties of crystals, two surface interpolation methods are used to approximate the intermediate atom positions on the transition pathway in the full search of the minimum energy path. This hybrid approach integrates geometry information in configuration space and physics information to allow for efficient transition pathway search. The methods are demonstrated by examples of FeTi and VO2.
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Charles, J., D. Axtell, and S. Gourvenec. "Quantitative Analysis Approach to Assess Variability in Seabed Conditions Across a Large Offshore Windfarm Site." In Innovative Geotechnologies for Energy Transition. Society for Underwater Technology, 2023. http://dx.doi.org/10.3723/gnie4326.

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Offshore windfarms are growing in size and are being constructed across areas with significant variability of seabed sediments. Traditional in-situ site investigation protocols such as the cone penetrometer test (CPT) are time consuming, and thus costly, and provide data at a single discrete location with interpolation necessary to estimate soil properties between testing points. Emerging techniques utilising Artificial Neural Networks (ANN) allow for the generation of a 'synthetic' CPT profile at any location based on geophysical survey data, but ANN-based approaches are only as good as their inputs. It is necessary to ensure the limited number of 'real' CPT profiles are representative and provide maximum coverage of the problem space. This paper demonstrates how time series analysis techniques can be applied to CPT 'depth' series data to quantitatively determine similarity of CPT profiles across a site. The method could inform future geotechnical site investigation planning, enabling efficient and effective layout of test locations to calibrate an ANN for derivation of synthetic CPTs anywhere across the site. The method also has potential downstream applications in clustering design solutions for areas with similar geotechnical properties. To demonstrate this methodology, the Burbo Bank Extension windfarm site investigation dataset (provided by the Crown Estate) has been used.
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Anastassopoulos, C., J. A. Charles, and S. Gourvenec. "Effect of CPT Profile Resolution on Minimum Required Size of Monopile for Ultimate Limit State Design." In Innovative Geotechnologies for Energy Transition. Society for Underwater Technology, 2023. http://dx.doi.org/10.3723/iplp6449.

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Cone penetrometer tests (CPTs) provide high-resolution data on soil resistance at the location of testing, which is then used to inform the design of various offshore structures including monopiles for offshore wind turbines. Emerging techniques allow for the generation of synthetic CPTs at any spatial location on a site, based on geophysical data and machine learning, eliminating issues of interpolation between physical CPTs, and offering improved layout flexibility of the wind farm in the design process. Synthetic CPTs however have lower resolution than physical CPTs, which may affect geotechnical design outcomes. This paper investigates the impact of CPT profile resolution on the minimum required monopile size for ultimate limit state design. For example, as resolution decreases, less economical designs may be predicted due to smoothing effects, or be required by the certifier to compensate for the greater uncertainty. In this study, CPT profiles with a prescribed degree of vertical resolution were used for monopile sizing, and plots of CPT resolution against monopile dimensions are presented and discussed. The broader purpose of this work seeks to provide design guidance on the minimum synthetic CPT resolution that generates reliable monopile designs, i.e. with dimensions equal to that predicted from the full resolution CPT design. The purpose of the study presented in this paper is to explore the effect of CPT resolution on minimum required monopile dimensions to assure ultimate limit state.
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Wombell, R., M. Mason, T. Wallbank, I. Jack, T. Allen, and G. Watts. "Sparse 3D Land and Transition Zone Acquisition - Decimation and Interpolation Tests." In 61st EAGE Conference and Exhibition. European Association of Geoscientists & Engineers, 1999. http://dx.doi.org/10.3997/2214-4609.201407674.

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Reports on the topic "Interpolation transition"

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Ahmed, S. Amer, Thomas Hertel, and Ruben Lubowski. Calibration of a Land Cover Supply Function Using Transition Probabilities. GTAP Research Memoranda, February 2009. http://dx.doi.org/10.21642/gtap.rm14.

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In the GTAP-AEZ framework the supply of land across different uses is determined through a Constant Elasticity of Transformation (CET) supply function, where land cover is allocated across forestry, grazing and crops, followed by the allocation of harvested area across cropping activities. This research memorandum describes the empirically based calibration strategy used to determine the CET value for the land cover allocation nest dealing with the broader three commercial uses, and examines how land use responsiveness and the parameter value evolve over time. The calibration is accomplished using the GTAP Land Use Database and time paths of land quantities by use over a 100 year period. These land quantity projections are, in turn, based on matrices of land use transition probabilities and own return elasticities of transition probabilities for the USA. We find that over time there is a rise in the land use response to increases in own-returns and in own return elasticities, while there is a fall in the calibrated CET value. The value of the CET parameter decreases at a decreasing rate every five-year period, although it can be approximated by a linear relationship in the short to medium run. We can use this linear interpolation to estimate the average CET parameter associated with any desired length of run.
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Knight, R. D., and B. A. Kjarsgaard. Comparative pXRF and Lab ICP-ES/MS methods for mineral resource assessment, Northwest Territories. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331239.

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The Geological Survey of Canada undertook a mineral resource assessment for a proposed national park in northern Canada (~ 33,500 km2) spanning the transition from boreal forest to barren lands tundra. Bedrock geology of this region is complex and includes the Archean Slave Craton, the Archean and Paleoproterozoic Rae domain of the Churchill Province, the Paleoproterozoic Thelon and Taltson magmatic-tectonic zones, and the Paleoproterozoic East Arm sedimentary basin. The area has variable mineral potential for lode gold, kimberlite-hosted diamonds, VMS, vein uranium and copper, SEDEX, as well as other deposit types. A comparison of analytical methods was carried out after processing the field collected samples to acquire both the < 2 mm and for the < 0.063 mm size fractions for 241 surficial sediment (till) samples, collected using a 10 x 10 km grid. Analytical methods comprised: 1) aqua regia followed by ICP-MS analysis, 2) 4-acid hot dissolution followed by ICP-ES/MS analysis, 3) lithium metaborate/tetraborate fusion methods followed by ICP-ES for major elements and ICP-MS for trace elements and, 4) portable XRF on dried, non-sieved sediment samples subjected to a granular segregation processing technique (to produce a clay-silt proxy) for seventeen elements (Ba, Ca, Cr, Cu, Fe, K, Mn, Ni, Pb, Rb, Sr, Th, Ti, U, V, Zn, and Zr) Results indicate that pXRF data do not replicate exactly the laboratory 4-acid and fusion data (in terms of precision and accuracy), but the relationship between the datasets is systematic as displayed in x-y scattergrams. Interpolated single element plots indicate that till samples with anomalies of high and low pXRF concentration levels are synonymous with high and low laboratory-based analytical concentration levels, respectively. The pXRF interpolations thus illustrate the regional geochemical trends, and most importantly, the significant geochemical anomalies in the surficial samples. These results indicate that pXRF spectrometry for a subset of elements is comparable to traditional laboratory methods. pXRF spectrometry also provides the benefit of rapid analysis and data acquisition that has a direct influence on real time sampling designs. This information facilitates efficient and cost-effective field projects (i.e. where used to identify regions of interest for high density sampling), and to prioritize samples to be analyzed using traditional geochemical methods. These tactics should increase the efficiency and success of a mineral exploration and/or environmental sampling programs.
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