Relevant bibliographies by topics / Reconstruction approaches

Academic literature on the topic 'Reconstruction approaches'

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Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Reconstruction approaches"

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Simal-Julián, Juan Antonio, Pablo Miranda-Lloret, Laila Pérez de San Román Mena, Pablo Sanromán-Álvarez, Alfonso García-Piñero, Rosa Sanchis-Martín, Carlos Botella-Asunción, and Amin Kassam. "Impact of Multilayer Vascularized Reconstruction after Skull Base Endoscopic Endonasal Approaches." Journal of Neurological Surgery Part B: Skull Base 81, no. 02 (February 28, 2019): 128–35. http://dx.doi.org/10.1055/s-0039-1677705.

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Abstract Background The use of vascularized flap to reconstruct the skull base defects has dramatically changed the postoperative cerebrospinal fluid (CSF) leak rates allowing the expansion of endoscopic skull base procedures. At present, there is insufficient scientific evidence to permit identification of the optimal reconstruction technique after the endoscopic endonasal approach (EEA). Objective The main purpose of this article is to establish the risk factors for failure in the reconstruction after EEA and whether the use of a surgical reconstruction protocol can improve the surgical results. Material and Methods A retrospective cohort study was conducted in our institution, selecting patients that underwent EEA with intraoperative CSF leak. Two reconstructive protocols were defined based on different reconstructive techniques; both were vascularized but one monolayer and the other multilayer. A multivariate analysis was performed with outcome variable presentation of postoperative leak. Results One hundred one patients were included in the study. Patients reconstructed with protocol 1, with the diagnosis different to the pituitary adenoma and older than 45 years old had higher risk of presenting postoperative leak, and with statistically significant differences when we adjusted for the remaining variables. Conclusion The vascularized reconstructions after endoscopic endonasal skull base approaches have demonstrated to be able to obtain a low rate of postoperative CSF leak. The multilayer vascularized technique may provide a more evolved technique, even reducing the postoperative leak rates comparing with the monolayer vascularized one. The reconstructive protocol employed in each case, as well as age and histological diagnosis, is independent risk factor for presenting postoperative leak.
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Nashchokina, Maria. "Old industrial architecture XXI: Two approaches." проект байкал, no. 73 (October 21, 2022): 68–79. http://dx.doi.org/10.51461/pb.73.12.

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The article reviews projects of reconstruction of historical monuments of industrial architecture, which were worked out in Moscow during the last two decades. By the example of presented projects, the author considers two approaches to the problem of their preservation: restorative and radically reconstructive. The first one is the most compliant with the Russian legislation in the field of heritage, while the second one is hotly debated. The author gives examples of radical reconstruction from foreign practices, which show competent and rational methods of this approach, making it possible to achieve positive results. The author describes two examples of radical reconstruction in Moscow: the realized project Presnya-City and the project by Herzog & de Meuron which has not been implemented yet. Its discussion allows to develop alternative ways of reconstruction of old industrial buildings.
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Choi, Jong-Woo, Feras Alshomer, and Young-Chul Kim. "Evolution and current status of microsurgical tongue reconstruction, part II." Archives of Craniofacial Surgery 23, no. 5 (October 20, 2022): 193–204. http://dx.doi.org/10.7181/acfs.2022.00857.

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Tongue reconstruction remains a major aspect of head and neck reconstructive procedures. Surgeons planning tongue reconstruction should consider several factors to optimize the overall outcomes. Specifically, various technical aspects related to tongue reconstruction have been found to affect the outcomes. Multidisciplinary teams dedicated to oncologic, reconstructive, and rehabilitative approaches play an essential role in the reconstructive process. Moreover, operative planning addressing certain patient-related and defect-related factors is crucial for optimizing functional speech and swallowing, as well as quality of life outcomes. Furthermore, tongue reconstruction is a delicate process, in which overall functional outcomes result from proper flap selection and shaping, recipient vessel preparation and anastomosis, surgical approaches to flap insetting, and postoperative management. The second part of this review summarizes these factors in relation to tongue reconstruction.
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Swartz, William M. "Microvascular approaches to nasal reconstruction." Microsurgery 9, no. 2 (1988): 150–53. http://dx.doi.org/10.1002/micr.1920090217.

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Dieterich, Max, Adrian Dragu, Angrit Stachs, and Johannes Stubert. "Clinical Approaches to Breast Reconstruction: What Is the Appropriate Reconstructive Procedure for My Patient." Breast Care 12, no. 6 (2017): 368–73. http://dx.doi.org/10.1159/000484926.

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Breast reconstruction after breast cancer is an emotional subject for women. Consequently, the correct timing and surgical procedure for each individual woman are important. In general, heterologous or autologous reconstructive procedures are available, both having advantages and disadvantages. Breast size, patient habitus, and previous surgeries or radiation therapy need to be considered, independent of the chosen procedure. New surgical techniques, refinement of surgical procedures, and the development of supportive materials have increased the general patient collective eligible for breast reconstruction. This review highlights the different approaches to immediate breast reconstruction using autologous or heterologous techniques.
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Kirillova, Ariadna. "Innovative approaches and assessments of the efficiency of reconstruction of housing and communal infrastructure." E3S Web of Conferences 164 (2020): 08029. http://dx.doi.org/10.1051/e3sconf/202016408029.

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The article discusses the general provisions for assessing the effectiveness of the implementation of reconstruction suggests the directions of SMART-reconstruction of real estate, creating conditions for saving resources, reducing time, improving the efficiency of reconstructive work, which ensures the sustainability of the urban environment, achieve development goals. It has been proven that an improved look is needed for approaches to restructuring organization that would meet modern requirements, as well as fundamental principles, such as: safety, environmental friendliness, energy efficiency and comfort. Research on the experience of reconstruction has shown that currently the following elements are not fully implemented: innovative mechanisms for carrying out a comprehensive reconstruction; a unified regulatory and legal framework, including for determining the costs of reconstruction, as well as a scheme of relations between the participants in the process, which would ensure the effective interaction of all participants in the reconstruction; managerial and organizational mechanisms that reduce costs during reconstruction, adapting to changes in the socio-economic situation; modern model of reconstruction, which would allow to achieve the goals for each specific project and include the latest developments in technology, the use of innovative materials, the improvement of the project mechanisms at the design stage, as well as the availability of a quality system for monitoring the timing and cost of reconstruction..
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Alleva, Karina, José Díez, and Lucía Federico. "Conceptual Reconstruction and Epistemic Import: Allosteric Mechanistic Explanations As a Unified Theory-Net." Crítica (México D. F. En línea) 49, no. 146 (October 31, 2017): 5–36. http://dx.doi.org/10.22201/iifs.18704905e.2017.179.

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The goal of this article is to show that formal analysis and reconstructions may be useful to discuss and shed light on substantive meta-theoretical issues. We proceed here by exemplification, analysing and reconstructing as a case study a paradigmatic biochemical theory, the Monod-Wyman-Changeux (MWC) theory of allosterism, and applying the reconstruction to the discussion of some issues raised by prominent representatives of the new mechanist philosophy. We conclude that our study shows that at least in this case mechanicism and (some version of) more traditional accounts are not rivals but complementary approaches.
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Bothe, Oliver, and Eduardo Zorita. "Proxy surrogate reconstructions for Europe and the estimation of their uncertainties." Climate of the Past 16, no. 1 (February 18, 2020): 341–69. http://dx.doi.org/10.5194/cp-16-341-2020.

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Abstract. Combining proxy information and climate model simulations reconciles these sources of information about past climates. This, in turn, strengthens our understanding of past climatic changes. The analogue or proxy surrogate reconstruction method is a computationally cheap data assimilation approach, which searches in a pool of simulated climate states the best fit to proxy data. We use the approach to reconstruct European summer mean temperature from the 13th century until present using the Euro 2k set of proxy records and a pool of global climate simulation output fields. Our focus is on quantifying the uncertainty of the reconstruction, because previous applications of the analogue method rarely provided uncertainty ranges. We show several ways of estimating reconstruction uncertainty for the analogue method, which take into account the non-climate part of the variability in each proxy record. In general, our reconstruction agrees well at multi-decadal timescales with the Euro 2k reconstruction, which was conducted with two different statistical methods and no information from model simulations. In both methodological approaches, the decades around the year 1600 CE were the coldest. However, the approaches disagree on the warmest pre-industrial periods. The reconstructions from the analogue method also represent the local variations of the observed proxies. The diverse uncertainty estimates obtained from our analogue approaches can be locally larger or smaller than the estimates from the Euro 2k effort. Local uncertainties of the temperature reconstructions tend to be large in areas that are poorly covered by the proxy records. Uncertainties highlight the ambiguity of field-based reconstructions constrained by a limited set of proxies.
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Card, Elizabeth B., Omar Elfanagely, Joseph A. Mellia, and John P. Fischer. "Surgical Approaches for Abdominal Wall Reconstruction." Plastic and Reconstructive Surgery - Global Open 8, no. 12 (December 2020): e3306. http://dx.doi.org/10.1097/gox.0000000000003306.

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Nahabedian, Maurice Y. "Current Approaches to Prepectoral Breast Reconstruction." Plastic and Reconstructive Surgery 142, no. 4 (October 2018): 871–80. http://dx.doi.org/10.1097/prs.0000000000004802.

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Dissertations / Theses on the topic "Reconstruction approaches"

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Chen, Liyuan. "Variational approaches in image recovery and segmentation." HKBU Institutional Repository, 2015. https://repository.hkbu.edu.hk/etd_oa/227.

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Image recovery and segmentation are always the fundamental tasks in image processing field, because of their so many contributions in practical applications. As in the past ten years, variational methods have achieved a great success on these two issues, in this thesis, we continue to work on proposing several new variational approaches for restoring and segmenting an image. This thesis contains two parts. The first part addresses recovering an image and the second part emphasizes on segmenting. Along with the wide utilization of magnetic resonance imaging (MRI) technique, we particularly deal with blurry images corrupted by Rician noise. In chapter 1, two new convex variational models for recovering an image corrupted by Rician noise with blur are presented. These two models are motivated by the non-convex maximum-a-posteriori (MAP) model proposed in the prior papers. In the first method, we use an approximation item to the zero order of the modified Bessel function in the MAP model and add an entropy-like item to obtain a convex model. Through studying on the statistical properties of Rician noise, we bring up a strictly convex model by adding an additional data-fidelity term in the MAP model in the second method. Primal-dual methods are applied to solve the models. The simulation outcomes show that our models outperform some existed effective models in both recovery image quality and computational time. Cone beam CT (CBCT) is routinely applied in image guided radiation therapy (IGRT) to help patient setup. Its imaging dose, however, is still a concern, limiting its wide applications. It has been an active research topic to develop novel technologies for radiation dose reduction. In chapter 2, we propose an improvement of practical CBCT dose control scheme - temporal non-local means (TNLM) scheme for IGRT. We denoise the scanned image with low dose by using the previous images as prior knowledge. We combine deformation image registration and TNLM. Different from the TNLM, in the new method, for each pixel, the search range is not fixed, but based on the motion vector between the prior image and the obtained image. By doing this, it is easy to find the similar pixels in the previous images, but also can reduce the computational time since it does not need large search windows. The phantom and patient studies illuminate that the new method outperforms the original one in both image quality and computational time. In the second part, we present a two-stage method for segmenting an image corrupted by blur and Rician noise. The method is motivated by the two-stage segmentation method developed by the authors in 2013 and restoration method for images with Rician noise. First, based on the statistical properties of Rician noise, we present a new convex variant of the modified Mumford-Shah model to get the smooth cartoon part {dollar}u{dollar} of the image. Then, we cluster the cartoon {dollar}u{dollar} into different parts to obtain the final contour of different phases of the image. Moreover, {dollar}u{dollar} from the first stage is unique because of the convexity of the new model, and it needs to be computed only once whenever the thresholds and the number of the phases {dollar}K{dollar} in the second stage change. We implement the simulation on the synthetic and real images to show that our model outperforms some existed segmentation models in both precision and computational time
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Krolla, Bernd [Verfasser]. "Heterogeneous Reconstruction Approaches for Object and Scene Representation / Bernd Krolla." München : Verlag Dr. Hut, 2016. http://d-nb.info/1100967923/34.

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Santos, Botelho Oliveira Leite Ana Paula. "Integrative approaches for systematic reconstruction of regulatory circuits in mammals." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/77783.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Computational and Systems Biology Program, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 141-149).
The reconstruction of regulatory networks is one of the most challenging tasks in systems biology. Although some models for inferring regulatory networks can make useful predictions about the wiring and mechanisms of molecular interactions, these approaches are still limited and there is a strong need to develop increasingly universal and accurate approaches for network reconstruction. This problem is particularly challenging in mammals, due to the higher complexity of mammalian regulatory networks and limitations in experimental manipulation. In this thesis, I present three systematic approachs to reconstruct, analyse and refine models of gene regulation. In Chapter 1, I devise a method for deriving an observational model from temporal genomic profiles. I use it to choose targets for perturbation experiments in order to determine a network controlling the responses of mouse primary dendritic cells to stimulation with pathogen components. In Chapter 2, I introduce the algorithm Exigo, for identifying essential interactions in regulatory networks reconstructed from experimental data where regulators have been silenced, using a network reduction strategy. Exigo outperforms previous approaches on simulated data, uncovers the core network structure when applied to real networks derived from perturbation studies in mammals, and improves the performance of network inference methods. Lastly, I introduce in Chapter 3 an approach to learn a module network from multiple highthroughput assays. Analysis of a diffuse large B-cell lymphoma dataset identifies candidate regulator genes, microRNAs and copy number aberrations with biological, and possibly therapeutic, importance.
by Ana Paula Santos Botelho Oliveira Leite.
Ph.D.
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Urimi, Lakshmi P. "Image reconstruction techniques and measure of quality classical vs.modern approaches/." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/2887.

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Thesis (M.S.) -- University of Maryland, College Park, 2005.
Thesis research directed by: Applied Mathematics and Scientific Computation Program. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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khan, saad. "MULTI-VIEW APPROACHES TO TRACKING, 3D RECONSTRUCTION AND OBJECT CLASS DETECTION." Doctoral diss., University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4066.

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Multi-camera systems are becoming ubiquitous and have found application in a variety of domains including surveillance, immersive visualization, sports entertainment and movie special effects amongst others. From a computer vision perspective, the challenging task is how to most efficiently fuse information from multiple views in the absence of detailed calibration information and a minimum of human intervention. This thesis presents a new approach to fuse foreground likelihood information from multiple views onto a reference view without explicit processing in 3D space, thereby circumventing the need for complete calibration. Our approach uses a homographic occupancy constraint (HOC), which states that if a foreground pixel has a piercing point that is occupied by foreground object, then the pixel warps to foreground regions in every view under homographies induced by the reference plane, in effect using cameras as occupancy detectors. Using the HOC we are able to resolve occlusions and robustly determine ground plane localizations of the people in the scene. To find tracks we obtain ground localizations over a window of frames and stack them creating a space time volume. Regions belonging to the same person form contiguous spatio-temporal tracks that are clustered using a graph cuts segmentation approach. Second, we demonstrate that the HOC is equivalent to performing visual hull intersection in the image-plane, resulting in a cross-sectional slice of the object. The process is extended to multiple planes parallel to the reference plane in the framework of plane to plane homologies. Slices from multiple planes are accumulated and the 3D structure of the object is segmented out. Unlike other visual hull based approaches that use 3D constructs like visual cones, voxels or polygonal meshes requiring calibrated views, ours is purely-image based and uses only 2D constructs i.e. planar homographies between views. This feature also renders it conducive to graphics hardware acceleration. The current GPU implementation of our approach is capable of fusing 60 views (480x720 pixels) at the rate of 50 slices/second. We then present an extension of this approach to reconstructing non-rigid articulated objects from monocular video sequences. The basic premise is that due to motion of the object, scene occupancies are blurred out with non-occupancies in a manner analogous to motion blurred imagery. Using our HOC and a novel construct: the temporal occupancy point (TOP), we are able to fuse multiple views of non-rigid objects obtained from a monocular video sequence. The result is a set of blurred scene occupancy images in the corresponding views, where the values at each pixel correspond to the fraction of total time duration that the pixel observed an occupied scene location. We then use a motion de-blurring approach to de-blur the occupancy images and obtain the 3D structure of the non-rigid object. In the final part of this thesis, we present an object class detection method employing 3D models of rigid objects constructed using the above 3D reconstruction approach. Instead of using a complicated mechanism for relating multiple 2D training views, our approach establishes spatial connections between these views by mapping them directly to the surface of a 3D model. To generalize the model for object class detection, features from supplemental views (obtained from Google Image search) are also considered. Given a 2D test image, correspondences between the 3D feature model and the testing view are identified by matching the detected features. Based on the 3D locations of the corresponding features, several hypotheses of viewing planes can be made. The one with the highest confidence is then used to detect the object using feature location matching. Performance of the proposed method has been evaluated by using the PASCAL VOC challenge dataset and promising results are demonstrated.
Ph.D.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Computer Science PhD
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Fang, Yingying. "Investigations on models and algorithms in variational approaches for image restoration." HKBU Institutional Repository, 2020. https://repository.hkbu.edu.hk/etd_oa/804.

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Variational methods, which have proven to be very useful to solve the ill-posed inverse problems, have been generating a lot of research interest in the image restoration problem. It transforms the restoration problem into the optimization of a well-designed variational model. While the designed model is convex, the recovered image is the global solution found by an appropriate numerical algorithm and the quality of the restored image depends on the accuracy of the designed model. Thus, a lot of efforts have been put to propose a more precise model that can produce a result with more pleasing visual quality. Besides, due to the high- dimension and the nonsmoothness of the imaging model, an efficient algorithm to find the exact solution of the variational model, is also of the research interest, since it influences the efficiency of the restoration techniques in the practical applications. In this thesis, we are interested in the designing of both the variational models for image restoration problems and the numerical algorithms to solve these models. The first objective of this thesis is to make improvements on two models for image denoising. For the multiplicative noise removal, we designed a regularizer based on the statistical property of the speckle noise, which can transform the traditional model (named by AA) into a convex one. Therefore, a global solution can be found independent of the initialization of the numerical algorithm. Moreover, the regularization term added on the AA model can help produce a sharper result. The second model is improved on the traditional ROF model by adding an edge regularization which incorporates an edge prior obtained from the observed image. Extensive experiments show that designed edge regularization has superiority to increase the texture of the recovered result and remove the staircase artifacts in the meanwhile. It is also presented that the edge regularization designed can be easily adapted into other restoration task, such as image deblurring. The second objective of this thesis is to study the numerical algorithms for a general nonsmooth imaging restoration model. As the imaging models are usually high-dimensional, the existing algorithms usually only use the first-order information of the image. Differently, a novel numerical algorithm based on the inexact Lagrangian function is proposed in this thesis, which exploits the second-order information to reach a superlinear convergence rate. Experiments show that the proposed algorithm is able to efficiently reach the solution with higher accuracy compared to the state-of-the-art algorithm
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Barnes, Karen 1977. "Through a gendered lens? : institutional approaches to gender mainstreaming in post-conflict reconstruction." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33870.

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Although civil war affects all civilians, it impacts men and women in different ways, and it influences their gender roles and responsibilities. Comparatively little attention has been given to assessing the gender sensitivity of international organizations who implement post-conflict reconstruction programs. The different social, economic and political dimensions of war to peace transitions, and how they impact on gender relations, can shed some light on the complicated intersections of needs and interests in wartorn societies. An examination of the policies of the United Nations High Commissioner for Refugees and the World Bank reveals that there is relatively little gender mainstreaming within their post-conflict operations. This research finds that the lack of resources and coordination, the failure to build on local capacities, and a lack of commitment to gender mainstreaming are the main obstacles these organizations face. To improve the situation it is recommended that organizations develop and use a 'gender checklist' at all stages of project planning, implementation and monitoring to ensure increased gender sensitivity in post-conflict programming.
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Steel, Blair Andrew. "Molecular and palaeontological approaches to the reconstruction of neogene spinose planktic foraminiferal phylogeny." Thesis, Royal Holloway, University of London, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.429407.

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Coban, Sophia. "Practical approaches to reconstruction and analysis for 3D and dynamic 3D computed tomography." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/practical-approaches-to-reconstruction-and-analysis-for-3d-and-dynamic-3d-computed-tomography(f34a2617-09f9-4c4e-9669-f86f6cf2bce5).html.

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The problem of reconstructing an image from a set of tomographic data is not new, nor is it lacking attention. However there is still a distinct gap between the mathematicians and the experimental scientists working in the computed tomography (CT) imaging community. One of the aims in this thesis is to bridge this gap with mathematical reconstruction algorithms and analysis approaches applied to practical CT problems. The thesis begins with an extensive analysis for assessing the suitability of reconstruction algorithms for a given problem. The paper presented examines the idea of extracting physical information from a reconstructed sample and comparing against the known sample characteristics to determine the accuracy of a reconstructed volume. Various test cases are studied, which are relevant to both mathematicians and experimental scientists. These include the variance in quality of reconstructed volume as the dose is reduced or the implementation of the level set evolution method, used as part of a simultaneous reconstruction and segmentation technique. The work shows that the assessment of physical attributes results in more accurate conclusions. Furthermore, this approach allows for further analysis into interesting questions in CT. This theme is continued throughout the thesis. Recent results in compressive sensing (CS) gained attention in the CT community as they indicate the possibility of obtaining an accurate reconstruction of a sparse image from severely limited or reduced amount of measured data. Literature produced so far has not shown that CS directly guarantees a successful recovery in X-ray CT, and it is still unclear under which conditions a successful sparsity regularized reconstruction can be achieved. The work presented in the thesis aims to answer this question in a practical setting, and seeks to establish a direct connection between the success of sparsity regularization methods and the sparsity level of the image, which is similar to CS. Using this connection, one can determine the sufficient amount of measurements to collect from just the sparsity of an image. A link was found in a previous study using simulated data, and the work is repeated here with experimental data, where the sparsity level of the scanned object varies. The preliminary work presented here verifies the results from simulated data, showing an "almost-linear" relationship between the sparsity of the image and the sufficient amount of data for a successful sparsity regularized reconstruction. Several unexplained artefacts are noted in the literature as the `partial volume', the 'exponential edge gradient' or the 'penumbra' effect, with no clear explanation for their cause, or established techniques to remove them. The work presented in this paper shows that these artefacts are due to a non-linearity in the measured data, which comes from either the set up of the system, the scattering of rays or the dependency of linear attenuation on wavelength in the polychromatic case. However, even in monochromatic CT systems, the non-linearity effect can be detected. The paper shows that in some cases, the non-linearity effect is too large to ignore, and the reconstruction problem should be adapted to solve a non-linear problem. We derive this non-linear problem and solve it using a numerical optimization technique for both simulatedand real, gamma-ray data. When compared to reconstructions obtained using the standard linear model, the non-linear reconstructed images show clear improvements in that the non-linear effect is largely eliminated. The thesis is finished with a highlight article in the special issue of Solid Earth, named "Pore-scale tomography & imaging - applications, techniques and recommended practice". The paper presents a major technical advancement in a dynamic 3D CT data acquisition, where the latest hardware and optimal data acquisition plan are applied and as a result, ultra fast 3D volume acquisition was made possible. The experiment comprised of fast, free-falling water-saline drops traveling through a pack of rock grains with varying porosities. The imaging work was enhanced by the use of iterative methods and physical quantification analysis performed. The data acquisition and imaging work is the first in the field to capture a free falling drop and the imaging work clearly shows the fluid interaction with speed, gravity and more importantly, the inter- and intra-grain fluid transfers.
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Yang, G. "Numerical approaches for solving the combined reconstruction and registration of digital breast tomosynthesis." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1356652/.

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Heavy demands on the development of medical imaging modalities for breast cancer detection have been witnessed in the last three decades in an attempt to reduce the mortality associated with the disease. Recently, Digital Breast Tomosynthesis (DBT) shows its promising in the early diagnosis when lesions are small. In particular, it offers potential benefits over X-ray mammography - the current modality of choice for breast screening - of increased sensitivity and specificity for comparable X-ray dose, speed, and cost. An important feature of DBT is that it provides a pseudo-3D image of the breast. This is of particular relevance for heterogeneous dense breasts of young women, which can inhibit detection of cancer using conventional mammography. In the same way that it is difficult to see a bird from the edge of the forest, detecting cancer in a conventional 2D mammogram is a challenging task. Three-dimensional DBT, however, enables us to step through the forest, i.e., the breast, reducing the confounding effect of superimposed tissue and so (potentially) increasing the sensitivity and specificity of cancer detection. The workflow in which DBT would be used clinically, involves two key tasks: reconstruction, to generate a 3D image of the breast, and registration, to enable images from different visits to be compared as is routinely performed by radiologists working with conventional mammograms. Conventional approaches proposed in the literature separate these steps, solving each task independently. This can be effective if reconstructing using a complete set of data. However, for ill-posed limited-angle problems such as DBT, estimating the deformation is difficult because of the significant artefacts associated with DBT reconstructions, leading to severe inaccuracies in the registration. The aim of my work is to find and evaluate methods capable of allying these two tasks, which will enhance the performance of each process as a result. Consequently, I prove that the processes of reconstruction and registration of DBT are not independent but reciprocal. This thesis proposes innovative numerical approaches combining reconstruction of a pair of temporal DBT acquisitions with their registration iteratively and simultaneously. To evaluate the performance of my methods I use synthetic images, breast MRI, and DBT simulations with in-vivo breast compressions. I show that, compared to the conventional sequential method, jointly estimating image intensities and transformation parameters gives superior results with respect to both reconstruction fidelity and registration accuracy.
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Books on the topic "Reconstruction approaches"

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Approaches to audit of reconstruction and support activities in Iraq. Washington: U.S. G.P.O., 2008.

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Hou, Chunlin, ed. Functional Bladder Reconstruction Following Spinal Cord Injury via Neural Approaches. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7766-8.

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(Organization), Saferworld. Developing integrated approaches to post-conflict security and recovery: A case study of integrated DDR in Sudan. London: Saferworld, 2008.

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Areta, Mikel Martínez. Basque and proto-basque: Language-internal and typological approaches to linguistic reconstruction. Frankfurt am Main: Peter Lang, 2013.

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Prabahan, Basu, ed. Information theoretic approaches to signal and image restoration. Bellingham, Wash: SPIE, 2011.

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Dupré, Sven, Anna Harris, Julia Kursell, Patricia Lulof, and Maartje Stols-Witlox, eds. Reconstruction, Replication and Re-enactment in the Humanities and Social Sciences. NL Amsterdam: Amsterdam University Press, 2020. http://dx.doi.org/10.5117/9789463728003.

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Performative methods are playing an increasingly prominent role in research into historical production processes, materials, bodily knowledge and sensory skills, and in forms of education and public engagement in classrooms and museums. This book offers, for the first time, sustained, interdisciplinary reflections on performative methods, variously known as Reconstruction, Replication and Re-enactment (RRR) practices across the fields of history of science, archaeology, art history, conservation, musicology and anthropology. Each of these fields has distinct histories, approaches, tools and research questions. Researchers in the historical disciplines have used reconstructions to learn about the materials and practices of the past, while anthropologists and ethnographers have more often studied the re-enactments themselves, participating in these performances as engaged observers. In this book, authors bring their experiences of RRR practices within their discipline into conversation with RRR practices in other disciplines, providing a basis for interdisciplinary cross-fertilization.
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Schriek, Max. Archaeological Approaches to and Heritage Perspectives on Modern Conflict. NL Amsterdam: Amsterdam University Press, 2021. http://dx.doi.org/10.5117/9789463729857.

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From a wider disciplinary perspective, modern conflict archaeology is now a thoroughly established and mature sub-discipline. However, a significant problem conflict archaeologists in the Netherlands face is that modern eras, including both World Wars, have so far not received serious attention. Although both World Wars appeal strongly to the popular imagination, until recently Dutch researchers had not approached modern conflict from an academic archaeological perspective to any great extent. This is partly the result of problematic legislation on archaeological activity in the Netherlands. When applied and interpreted appropriately, archaeology can play an important role in the preservation, contemporary experience and historical reconstruction of recent conflicts. However, as this book argues, research methods other than excavations will be needed in order to conduct conflict archaeology in the Netherlands effectively. This study aims to develop a Dutch approach to conflict archaeology, integrating archaeology, heritage research and history at a landscape scale.
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Justice and governance in East Timor: Indigenous approaches and the "new subsistence state". Milton Park, Abingdon, Oxon: Routledge, 2012.

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Patil, Jayant. Agricultural and rural reconstruction: A sustainable approach. New Delhi: Concept Pub. Co., 1996.

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Kirkeby, O. Wavefront reconstruction using a least squares approach. Southampton, England: University of Southampton, Institute of Sound and Vibration, 1992.

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Book chapters on the topic "Reconstruction approaches"

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McKay, Susan. "Gender in Post-Conflict Reconstruction." In Approaches to Peacebuilding, 123–44. London: Palgrave Macmillan UK, 2002. http://dx.doi.org/10.1057/9781403920034_6.

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Suchomel, P., J. Hradil, and R. Frič. "Surgical Approaches." In Reconstruction of Upper Cervical Spine and Craniovertebral Junction, 39–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13158-5_4.

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Schrader, Sarah. "Bioarchaeological Approaches to Activity Reconstruction." In Bioarchaeology and Social Theory, 55–126. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02544-1_3.

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Baurain, Denis, and Hervé Philippe. "Current Approaches to Phylogenomic Reconstruction." In Evolutionary Genomics and Systems Biology, 17–41. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470570418.ch2.

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Hocevar, Andrej. "Holistic Approaches to Headwater Management." In Environmental Reconstruction in Headwater Areas, 53–60. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4134-5_4.

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Chen, Li M. "Digital-Discrete Approaches for Smooth Functions." In Digital Functions and Data Reconstruction, 81–98. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5638-4_7.

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Loeser, Christoph R., Edgar Dippel, Adrien Daigeler, Soraya Navysany, and Laurenz Schmitt. "Surgical Approaches for Melanocytic Nevi and Malignant Melanoma of the Umbilicus." In Adult Umbilical Reconstruction, 393–400. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-43887-0_40.

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Salibian, Arthur H., Jay K. Harness, and Donald S. Mowlds. "Subcutaneous Reconstruction Without Acellular Dermal Matrix." In Operative Approaches to Nipple-Sparing Mastectomy, 157–63. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43259-5_15.

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Park, Heung Jae. "Tissue-Engineered Approaches for Penile Reconstruction." In Organ Tissue Engineering, 1–37. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-18512-1_14-1.

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Atala, Anthony. "Tissue Engineering Approaches for Genital Reconstruction." In Advances in Experimental Medicine and Biology, 289–303. Boston, MA: Springer US, 2002. http://dx.doi.org/10.1007/978-1-4615-0621-8_19.

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Conference papers on the topic "Reconstruction approaches"

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Acar, Pinar, and Veeraraghavan Sundararaghavan. "Replacing Microstructural Experiments with Reconstruction Algorithms: Do Epistemic Uncertainties Allow?" In 2018 AIAA Non-Deterministic Approaches Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-0925.

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Karali, E., and D. Koutsouris. "MRP approaches to PET image reconstruction." In 2011 4th International Conference on Biomedical Engineering and Informatics (BMEI). IEEE, 2011. http://dx.doi.org/10.1109/bmei.2011.6098321.

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Fournier, Corinne, Loic Denis, Eric Thiebaut, Thierry Fournel, and Mozhdeh Seifi. "Inverse problem approaches for digital hologram reconstruction." In SPIE Defense, Security, and Sensing, edited by Bahram Javidi and Jung-Young Son. SPIE, 2011. http://dx.doi.org/10.1117/12.885761.

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Reuter, Martin, and Elisa Manrique Ascencio. "Bare vs. Effective Fixed Point Action in Asymptotic Safety: The Reconstruction Problem." In Workshop on Continuum and Lattice Approaches to Quantum Gravity. Trieste, Italy: Sissa Medialab, 2011. http://dx.doi.org/10.22323/1.079.0001.

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Douglas, Dennis M., Bobby R. Hunt, and David Sheppard. "Resolution limits for shadow imaging of geosynchronous satellites: analytic and simulated approaches." In Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2017, edited by Jean J. Dolne and Rick P. Millane. SPIE, 2017. http://dx.doi.org/10.1117/12.2274837.

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Yan Guo, Fei Ye, and Jijun Tang. "Phylogenetic reconstruction with disk-covering and Bayesian approaches." In 2008 8th IEEE International Conference on Bioinformatics and BioEngineering (BIBE). IEEE, 2008. http://dx.doi.org/10.1109/bibe.2008.4696745.

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Herzog, Charlotte, Ombeline de La Rochefoucauld, Guillaume Dovillaire, Xavier Granier, Fabrice Harms, Xavier Levecq, Elena Longo, Loïs Mignard-Debise, and Philippe Zeitoun. "Comparison of reconstruction approaches for plenoptic imaging systems." In Unconventional Optical Imaging, edited by Corinne Fournier, Marc P. Georges, and Gabriel Popescu. SPIE, 2018. http://dx.doi.org/10.1117/12.2306800.

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P, Vijina, and Jayasree M. "A Survey On Recent Approaches In Image Reconstruction." In 2020 International Conference on Power, Instrumentation, Control and Computing (PICC). IEEE, 2020. http://dx.doi.org/10.1109/picc51425.2020.9362425.

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Fournier, Corinne, Flasseur Olivier, Berdeu Anthony, Momey Fabien, Olivier Thomas, and Denis Loïc. "Numerical Reconstruction of Holograms Using Inverse Problems Approaches." In Digital Holography and Three-Dimensional Imaging. Washington, D.C.: OSA, 2019. http://dx.doi.org/10.1364/dh.2019.w2b.1.

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Zhang, Jin, Mark A. Anastasio, and Patrick J. La Rivière. "Comparison of iterative reconstruction approaches for photoacoustic tomography." In Biomedical Optics (BiOS) 2007, edited by Alexander A. Oraevsky and Lihong V. Wang. SPIE, 2007. http://dx.doi.org/10.1117/12.700930.

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Reports on the topic "Reconstruction approaches"

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O'Brien, Liam, Christoph Stoermer, and Chris Verhoef. Software Architecture Reconstruction: Practice Needs and Current Approaches. Fort Belvoir, VA: Defense Technical Information Center, August 2002. http://dx.doi.org/10.21236/ada407795.

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Herbert, Sian. Approaches to Stabilisation. Institute of Development Studies, April 2022. http://dx.doi.org/10.19088/k4d.2022.068.

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This rapid literature review explores how approaches to stabilisation have varied by the donor, local context, and over time. While this paper was framed around a research question on the “Area Based Stabilisation” (ABS) approach, this term is barely used in the literature. Therefore, it is not possible to define an ABS approach or compare it to other approaches. However, there is considerable literature on approaches to stabilisation more generally, with some comparative analysis of approaches by donors and how these are evolving according to the context and some illustrative lessons from their application. As per the question from FCDO, this query also draws on analyses of the following case examples: Regional Strategy for the Stabilization, Recovery and Resilience (RSS) of the Boko Haram-affected areas of the Lake Chad Basin Region; Helmand Provincial Reconstruction Team (PRT) in Afghanistan; Area Based Recovery Approach (ABRA) in Iraq; and the Stabilisation Facility for Libya (SFL). As the Stabilisation Unit (2019) emphasises, as the purpose of engaging in stabilisation activities, and the political and conflict contexts, vary so much, it is only possible to draw out some generic/illustrative lessons across cases.
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Khuder, Wafaa Sabah. Rehabilitating Heritage After ISIS: Economic, Sociocultural, and Historical Considerations in the Case Studies of Al-Nouri Mosque, Al-Hadba Minaret, and Lalish Temple. Institute of Development Studies, November 2022. http://dx.doi.org/10.19088/creid.2022.004.

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This paper explores three case studies of the Al-Nouri Mosque, Al-Hadba Minaret, and Lalish Temple in the aftermath of the ISIS war of 2014–17 and the occupation of Nineveh governorate. It analyses the role of these sites as part of northern Iraq’s heritage and the mechanisms in place for their reconstruction and preservation. The paper explores the role of the different actors and how these have influenced different understandings of heritage and therefore different responses and approaches to restoration. It argues for the role that international organisations such as UNESCO have in monitoring reconstruction processes, as well as the role of international aid in heritage protection, along with the importance of community consultations and of responding to the needs of affected communities in the rehabilitation process.
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RYABKOVA, S. CORRUPTION IN THE SOCIO-PHILOSOPHICAL DIMENSION. Science and Innovation Center Publishing House, 2021. http://dx.doi.org/10.12731/2077-1770-2021-13-4-3-28-37.

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The article carries out a historical and philosophical reconstruction of the concept of «corruption» as a phenomenon of social reality. Corruption is considered as a system of informal social relations, which are characterized by non-standard properties. The conclusion is made about the need to fully utilize the potential of philosophy in the study of corruption, which will allow linking various methodological approaches and giving integrity to the study.
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Huang, Haohang, Erol Tutumluer, Jiayi Luo, Kelin Ding, Issam Qamhia, and John Hart. 3D Image Analysis Using Deep Learning for Size and Shape Characterization of Stockpile Riprap Aggregates—Phase 2. Illinois Center for Transportation, September 2022. http://dx.doi.org/10.36501/0197-9191/22-017.

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Riprap rock and aggregates are extensively used in structural, transportation, geotechnical, and hydraulic engineering applications. Field determination of morphological properties of aggregates such as size and shape can greatly facilitate the quality assurance/quality control (QA/QC) process for proper aggregate material selection and engineering use. Many aggregate imaging approaches have been developed to characterize the size and morphology of individual aggregates by computer vision. However, 3D field characterization of aggregate particle morphology is challenging both during the quarry production process and at construction sites, particularly for aggregates in stockpile form. This research study presents a 3D reconstruction-segmentation-completion approach based on deep learning techniques by combining three developed research components: field 3D reconstruction procedures, 3D stockpile instance segmentation, and 3D shape completion. The approach was designed to reconstruct aggregate stockpiles from multi-view images, segment the stockpile into individual instances, and predict the unseen side of each instance (particle) based on the partial visible shapes. Based on the dataset constructed from individual aggregate models, a state-of-the-art 3D instance segmentation network and a 3D shape completion network were implemented and trained, respectively. The application of the integrated approach was demonstrated on re-engineered stockpiles and field stockpiles. The validation of results using ground-truth measurements showed satisfactory algorithm performance in capturing and predicting the unseen sides of aggregates. The algorithms are integrated into a software application with a user-friendly graphical user interface. Based on the findings of this study, this stockpile aggregate analysis approach is envisioned to provide efficient field evaluation of aggregate stockpiles by offering convenient and reliable solutions for on-site QA/QC tasks of riprap rock and aggregate stockpiles.
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Rogers, Amanda. Creative Expression and Contemporary Arts Making Among Young Cambodians. Swansea University, May 2021. http://dx.doi.org/10.23889/sureport.56822.

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This project analysed the creative practices and concerns of young adult artists (18-35 years old) in contemporary Cambodia. It examined the extent to which the arts are being used to open up new ways of enacting Cambodian identity that encompass, but also move beyond, a preoccupation with the Khmer Rouge (1975-1979). Existing research has focused on how the recuperation and revival of traditional performance is linked to the post-genocidal reconstruction of the nation. In contrast, this research examines if, and how, young artists are moving beyond the revival process to create works that speak to a young Cambodian population.The research used NGO Cambodian Living Arts’ 2020 Cultural Season of performances, workshops, and talks as a case study through which to examine key concerns of young Cambodian artists, trace how these affected their creative process, and analyse how the resulting works were received among audiences. It was funded through the AHRC GCRF Network Plus Grant ‘Changing the Story’ which uses arts and humanities approaches to ‘build inclusive societies with, and for, young people in post-conflict settings.
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Rodionov, Dmitry A., and Pavel S. Novichkov. Integrated Approach to Reconstruction of Microbial Regulatory Networks. Office of Scientific and Technical Information (OSTI), November 2013. http://dx.doi.org/10.2172/1098153.

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Shipler, D. B., and B. A. Napier. HEDR modeling approach. Hanford Environmental Dose Reconstruction Project. Office of Scientific and Technical Information (OSTI), July 1992. http://dx.doi.org/10.2172/10164268.

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Faulkner, Timothy L. Redefining the US Approach to Reconstruction and Stability Operations. Fort Belvoir, VA: Defense Technical Information Center, March 2009. http://dx.doi.org/10.21236/ada498111.

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Foltz, Thomas M. Symmetric Convolution. Using Unitary Transform Matrices: A New Approach to Image Reconstruction. Fort Belvoir, VA: Defense Technical Information Center, April 1999. http://dx.doi.org/10.21236/ada389062.

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