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Добірка наукової літератури з теми "Digital sequence"

Автор: Grafiati

Опубліковано: 19 січня 2024

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Статті в журналах з теми "Digital sequence"

Yamamoto, Hidehiko, Etsuo Marui, and Kenichi Oota. "Development of Network System For Sequence Circuit By Database(Digital design and digital manufacturing)." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2005.1 (2005): 29–34. http://dx.doi.org/10.1299/jsmelem.2005.1.29.

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Ahmed, Abdalla G. M., Mikhail Skopenkov, Markus Hadwiger, and Peter Wonka. "Analysis and Synthesis of Digital Dyadic Sequences." ACM Transactions on Graphics 42, no. 6 (December 5, 2023): 1–17. http://dx.doi.org/10.1145/3618308.

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We explore the space of matrix-generated (0, m , 2)-nets and (0, 2)-sequences in base 2, also known as digital dyadic nets and sequences. In computer graphics, they are arguably leading the competition for use in rendering. We provide a complete characterization of the design space and count the possible number of constructions with and without considering possible reorderings of the point set. Based on this analysis, we then show that every digital dyadic net can be reordered into a sequence, together with a corresponding algorithm. Finally, we present a novel family of self-similar digital dyadic sequences, to be named ξ -sequences, that spans a subspace with fewer degrees of freedom. Those ξ -sequences are extremely efficient to sample and compute, and we demonstrate their advantages over the classic Sobol (0, 2)-sequence.

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Romanov, О. М., and V. Yu Kotiubin. "PERIODICITY SEARCH ALGORITHMS IN DIGITAL SEQUENCES WITH BLOCK CODING BY THEIR CORRELATION PROPERTIES." Radio Electronics, Computer Science, Control, no. 2 (June 24, 2021): 7–18. http://dx.doi.org/10.15588/1607-3274-2021-2-1.

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Context. To improve the noise immunity of communication and data transmission systems, error-correcting coding is widely used. The most common because of their effectiveness are block coding methods. Under conditions of partial a priori uncertainty of the type and parameters of encoding, before decoding the digital sequence, a preliminary analysis is carried out to determine them. In block coding, to determine the period of a digital sequence caused by the addition of a sync sequence to it, and which can determine the type and parameters of coding, a common approach is to use their correlation properties. Objective. The object of the research is the presentation of periodicity search algorithms in digital sequences with block errorcorrecting coding under conditions of partial a priori uncertainty of the type and parameters of the error-correcting code. Method. The article presents two periodicity search algorithms in digital sequences with block coding and describes the principle of their operation. The basis of one algorithm is the calculation of the autocorrelation function, the basis of the other is calculation of the cross-correlation function. It is shown that the length of the digital sequence should be twice as long as the maximum possible period. The operation of both algorithms is illustrated by examples. Results. Based on the proposed algorithms, special software has been developed. The results of determining the period of digital sequences with block error-correcting coding at different values of the period confirmed the efficiency of the proposed algorithms. Both proposed algorithms give approximately the same result. Experimental dependences of the calculation time of auto- and crosscorrelation functions from the length of the digital sequence and the maximum possible period are established. The period search algorithm in a digital sequence, that use the cross-correlation function of its components, is more efficient due to fewer calculations. Conclusions. For the first time, two periodicity search algorithms in digital sequences with block error-correcting based on the determination of their correlation functions are obtained. The application of the developed algorithms in practice allows, under partial a priori uncertainty of the type and parameters of the error-correcting code, to determine the period of digital sequences in real time even at large values of the period, and based on it, to identify the type and parameters of block error-correcting codes.

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SOMIA, N., G. S. RASH, M. WACHOWIAK, and A. GUPTA. "The Initiation and Sequence of Digital Joint Motion." Journal of Hand Surgery 23, no. 6 (December 1998): 792–95. http://dx.doi.org/10.1016/s0266-7681(98)80099-5.

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We studied the initiation and sequence of digital joint motion during unrestricted flexion and extension using a 3-D motion analysis of all fingers moving simultaneously. Our results showed that motion started in a single joint in 83% of flexion and 80% of extension cycles. The DIP joint initiated flexion and extension in the index, middle, and ring fingers, but in the little finger, flexion started in the PIP joint, and extension in the MP joint. The two most frequent sequences of joint movement during flexion of the three radial fingers were DIP-PIP-MP and PIP-DIP-MP. The two most frequent sequences during extension of the three radial fingers were DIP-MP-PIP followed by DIP-MP/PIP. In the little finger, however, the most frequent sequences during flexion were PIP-DIP-MP followed by DIP-PIP-MP and during extension, DIP-MP/PIP followed by PIP/DIP-MP

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TELKSNYS, TADAS, ZENONAS NAVICKAS, MARTYNAS VAIDELYS, and MINVYDAS RAGULSKIS. "THE ORDER OF A 2-SEQUENCE AND THE COMPLEXITY OF DIGITAL IMAGES." Advances in Complex Systems 19, no. 04n05 (June 2016): 1650010. http://dx.doi.org/10.1142/s0219525916500107.

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The concept of the order of a 2-sequence is introduced in this paper. The order of a 2-sequence is a natural but not trivial extension of the order of one-dimensional (1D) linear recurrent sequences. Necessary and sufficient conditions for the generation of 2-sequences with finite order from the minimal information subset are derived. It is demonstrated that the order of 2-sequences can be used to estimate the complexity of self-organizing patterns with respect to each spatial coordinate.

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He, Xuejun, Feng Lin, Wenkang Huang, Chenxia Li, and Xufeng Jing. "Far-field scattering control of wave based on all-dielectric blazed encoding metagrating." Laser Physics 32, no. 11 (October 13, 2022): 116204. http://dx.doi.org/10.1088/1555-6611/ac9680.

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Abstract Coding metagrating metasurfaces can realize flexible and effective control of polarization, amplitude, and phase of electromagnetic waves. The coded metagrating builds a bridge between the physical unit structure and the digital coding, and can realize the digital coding calculation processing of the physical device. We propose several all dielectric encoded metagrating sequences, and the detailed analysis of their far-field scattering properties is given. Based on the principle of digital coding addition, we add two coding metagrating sequences to obtain a new coding sequence. This new coding sequence results in an additive integration of the functions of the original two coding sequences. This method provides an idea for the realization of multifunctional devices.

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Song, Bing Bing, Jing Pan, and Qun Ding. "Digital Henon Sequences Generation and its Analysis." Advanced Materials Research 981 (July 2014): 793–96. http://dx.doi.org/10.4028/www.scientific.net/amr.981.793.

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In this paper, the typical two-dimensional Henon map is studied. Firstly, the model of Henon map is proposed based on DSP Builder platform in Simulink library, so it can generate digital output sequence of Henon map. Then, its statistical properties are analyzed for such output sequences, including balance test, run test and autocorrelation test. Finally, the numerical results show that such digital Henon sequences have good pseudo-randomness.

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Wang, Chuanfu, Yi Di, Jianyu Tang, Jing Shuai, Yuchen Zhang, and Qi Lu. "The Dynamic Analysis of a Novel Reconfigurable Cubic Chaotic Map and Its Application in Finite Field." Symmetry 13, no. 8 (August 3, 2021): 1420. http://dx.doi.org/10.3390/sym13081420.

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Dynamic degradation occurs when chaotic systems are implemented on digital devices, which seriously threatens the security of chaos-based pseudorandom sequence generators. The chaotic degradation shows complex periodic behavior, which is often ignored by designers and seldom analyzed in theory. Not knowing the exact period of the output sequence is the key problem that affects the application of chaos-based pseudorandom sequence generators. In this paper, two cubic chaotic maps are combined, which have symmetry and reconfigurable form in the digital circuit. The dynamic behavior of the cubic chaotic map and the corresponding digital cubic chaotic map are analyzed respectively, and the reasons for the complex period and weak randomness of output sequences are studied. On this basis, the digital cubic chaotic map is optimized, and the complex periodic behavior is improved. In addition, a reconfigurable pseudorandom sequence generator based on the digital cubic chaotic map is constructed from the point of saving consumption of logical resources. Through theoretical and numerical analysis, the pseudorandom sequence generator solves the complex period and weak randomness of the cubic chaotic map after digitization and makes the output sequence have better performance and less resource consumption, which lays the foundation for applying it to the field of secure communication.

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Zaurbek, A., and D. Z. Dzhuruntaev. "DIGITAL OSCILLATOR CIRCUIT WITH AN EXTENDED REPETITION PERIOD OF A PSEUDO-RANDOM PULSE SEQUENCE." BULLETIN Series of Physics & Mathematical Sciences 69, no. 1 (March 10, 2020): 210–14. http://dx.doi.org/10.51889/2020-1.1728-7901.36.

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In this paper, we consider the issue of upgrading the circuit of a digital generator of a pseudo-random pulse sequence, which can be used to create cryptographic encryption algorithms. The need to modernize the digital generator circuit is associated with an increase in the number of pseudorandom pulse train sequences generated at its output and with pseudorandom intervals between them. To achieve this, a small number of additional elements are included in the circuit of a digital pseudorandom sequence of pulses based on a five-digit shift register with linear feedback. Based on the modernized circuit of a digital generator of a pseudorandom sequence of pulses and an active secondorder Slenlen-Key RC low-pass filter, a digital acoustic noise generator is constructed, which, unlike the prototype, has a truly random output signal over a period of ~ 4 * (2N - 1), subject to circuit simplicity.

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Manikandan, G., and K. Srinivasa Rao. "DIGITAL TIME: A FINITE FIELD, TF." JOURNAL OF RAMANUJAN SOCIETY OF MATHEMATICS AND MATHEMATICAL SCIENCES 10, no. 01 (December 30, 2022): 167–72. http://dx.doi.org/10.56827/jrsmms.2022.1001.14.

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Digital time was defined KSR-PP [2] with three two-digit positions as h2h1 : m2m1 : s2s1. It was identified with appropriate restricted place values on the hours (H), minutes (M) and seconds (S) shown to be 86400-element cyclic Time Group, TG. Here it is shown to be a finite time field, TF. A palindromic sequence of 119-elements and its sub-sequences are shown to be consequences of TF .

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Дисертації з теми "Digital sequence"

Wedge, Daniel John. "Video sequence synchronization." University of Western Australia. School of Computer Science and Software Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0084.

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[Truncated abstract] Video sequence synchronization is necessary for any computer vision application that integrates data from multiple simultaneously recorded video sequences. With the increased availability of video cameras as either dedicated devices, or as components within digital cameras or mobile phones, a large volume of video data is available as input for a growing range of computer vision applications that process multiple video sequences. To ensure that the output of these applications is correct, accurate video sequence synchronization is essential. Whilst hardware synchronization methods can embed timestamps into each sequence on-the-fly, they require specialized hardware and it is necessary to set up the camera network in advance. On the other hand, computer vision-based software synchronization algorithms can be used to post-process video sequences recorded by cameras that are not networked, such as common consumer hand-held video cameras or cameras embedded in mobile phones, or to synchronize historical videos for which hardware synchronization was not possible. The current state-of-the-art software algorithms vary in their input and output requirements and camera configuration assumptions. ... Next, I describe an approach that synchronizes two video sequences where an object exhibits ballistic motions. Given the epipolar geometry relating the two cameras and the imaged ballistic trajectory of an object, the algorithm uses a novel iterative approach that exploits object motion to rapidly determine pairs of temporally corresponding frames. This algorithm accurately synchronizes videos recorded at different frame rates and takes few iterations to converge to sub-frame accuracy. Whereas the method presented by the first algorithm integrates tracking data from all frames to synchronize the sequences as a whole, this algorithm recovers the synchronization by locating pairs of temporally corresponding frames in each sequence. Finally, I introduce an algorithm for synchronizing two video sequences recorded by stationary cameras with unknown epipolar geometry. This approach is unique in that it recovers both the frame rate ratio and the frame offset of the two sequences by finding matching space-time interest points that represent events in each sequence; the algorithm does not require object tracking. RANSAC-based approaches that take a set of putatively matching interest points and recover either a homography or a fundamental matrix relating a pair of still images are well known. This algorithm extends these techniques using space-time interest points in place of spatial features, and uses nested instances of RANSAC to also recover the frame rate ratio and frame offset of a pair of video sequences. In this thesis, it is demonstrated that each of the above algorithms can accurately recover the frame rate ratio and frame offset of a range of real video sequences. Each algorithm makes a contribution to the body of video sequence synchronization literature, and it is shown that the synchronization problem can be solved using a range of approaches.

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Denev, Alexander. "Digital Distance Functions Defined by Sequence of Weights." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-162025.

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In this paper, digital distance functions using sequences of weights are studied and used to approximate the Euclidian distance. Sequences of weights that guarantee a low maximum absolute error for path lengths of up to 10000 are calculated. A necessary condition and a sufficient condition for metricity of this kind of distance function are established.

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Joshi, Vilas (Vilas Vishwanath) Carleton University Dissertation Engineering Electrical. "Sequence estimation techniques for enhanced digital subscriber loop transmission capability." Ottawa, 1988.

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Wang, Caixia. "Using Linear Features for Aerial Image Sequence Mosaiking." Fogler Library, University of Maine, 2004. http://www.library.umaine.edu/theses/pdf/WangC2004.pdf.

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Long, Eric M. "Decision-aided sequential sequence estimation for intersymbol interference channels." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/15019.

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Yiin, Lihbor. "Sequence estimation receivers for trellis-coded continuous phase modulation on mobile channels." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/14818.

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Malan, Estian. "Multi-dimensional direct-sequence spread spectrum multiple-access communication with adaptive channel coding." Pretoria : [S.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-10252007-142715/.

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Goljahani, Anahita. "OFDM/OQAM based terrestrial digital broadcasting." Doctoral thesis, Università degli studi di Padova, 2009. http://hdl.handle.net/11577/3421902.

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In this thesis an OFDM/ OQAM based system for the next generation terrestrial digital broadcasting standard is proposed and its performance, in terms of spectral efficiency, is compared to OFDM-CD3 performance. As far as coding is concerned, LDPC and BCH codes have been utilized, synchronization and channel estimation have been performed by a superimposed technique and a one tap MMSE equalization scheme has been adopted. As shown by simulation results, an improvement of more than 13% is achieved by OFDM/OQAM system, confirming, in a practical system, the expectation of a significant spectral efficiency improvement.
In questa tesi viene proposto un sistema di trasmissione basato su modulazione OFDM/OQAM per il broadcasting video digitale terrestre di nuova generazione. Le prestazioni di tale sistema, in termini di efficienza spettrale, sono confrontate con le prestazioni di un sistema OFDM-CD3. Per quanto concerne la codifica, vengono impiegati codici LDPC e BCH concatenati, la sincronizzazione e la stima di canale vengono ottenuti attraverso una tecnica a sequenza sovrapposta e l'equalizzazione MMSE è a un tappo. Come dimostrato da risultati simulativi, il sistema OFDM/OQAM permettere di ottenere prestazioni maggiori del più del 13%, a conferma dell'aspettativa di un significativo miglioramento dell'efficienza spettrale in un sistema reale.

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Li, Hongxiang. "Performance of multitone direct sequence speread [sic] spectrum in the presence of imperfect carrier synchronization." Ohio : Ohio University, 2004. http://www.ohiolink.edu/etd/view.cgi?ohiou1103057412.

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Hu, Hanqing. "USING PROGRAM SLICING AND SEQUENCE ALIGNMENT TO ANALYZE ORGANISMS OF AVIDA, A DIGITAL EVOLUTION PLATFORM." Miami University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=miami1331015337.

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Книги з теми "Digital sequence"

Randall, Reed Todd, ed. Digital image sequence processing, compression, and analysis. Boca Raton: CRC Press, 2005.

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Mike, Darnell, ed. Sequence design for communications applications. Taunton, Somerset, England: Research Studies Press, 1996.

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Elad, M. Super-resolution reconstruction of continuous image sequence: The non-causal approach. Haifa: Department of Electrical Engineering, Technion-Israel Institute of Technology, 1996.

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S, Walton James, Frank A. M, IS & T--the Society for Imaging Science and Technology., and Society of Photo-optical Instrumentation Engineers., eds. High-speed imaging and sequence analysis III: 22 January, 2001, San Jose, [California]. Bellingham, Wash: SPIE, 2001.

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Ford, Steve. ARRL's VHF digital handbook. Newington, CT: ARRL, 2008.

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1964-, Kim Seok Chang, ed. Scrambling techniques for digital transmission. London: Springer-Verlag, 1994.

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Hagerman, Andrew. Digital music making for teens. Boston, MA: Thomson Course Technology, 2005.

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Zidong, Wang, and Liu Xiaohui, eds. Microarray image analysis: An algorithmic approach. Boca Raton, FL: Chapman & Hall/CRC, 2010.

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Dick, J. Digital nets and sequences: Discrepancy theory and quasi-Monte Carlo integration. Cambridge: Cambridge University Press, 2010.

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Zhang, Xiaowei. Digital analysis of cardiac ultrasound image sequences using model-specific filters. Manchester: University of Manchester, 1993.

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Частини книг з теми "Digital sequence"

Gi Lee, Byeong, and Seok Chang Kim. "Sequence Spaces." In Scrambling Techniques for Digital Transmission, 35–53. London: Springer London, 1994. http://dx.doi.org/10.1007/978-1-4471-3231-8_4.

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Taraate, Vaibbhav. "Design of Sequence Detectors." In Digital Design from the VLSI Perspective, 193–211. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-4652-3_13.

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Tobin, Paul. "Direct Sequence Spread Spectrum Systems." In PSpice for Digital Communications Engineering, 167–87. Cham: Springer International Publishing, 2007. http://dx.doi.org/10.1007/978-3-031-79758-3_7.

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Moon, Jaekyun, and L. Richard Carley. "Application to Digital Magnetic Recording." In Sequence Detection for High-Density Storage Channels, 53–102. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3564-5_3.

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Adams, Eduardo, Anderson Schuh, Marcia de Borba Campos, Débora Barbosa, and João Batista Mossmann. "Serial Sequence Learning on Digital Games." In Lecture Notes in Computer Science, 277–84. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39952-2_27.

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Apostolopoulos, John G., and Jae S. Lim. "Video Compression for Digital Advanced Television Systems." In Motion Analysis and Image Sequence Processing, 447–81. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3236-1_15.

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Lindley, Craig A. "A Video Annotation Methodology for Interactive Video Sequence Generation." In Digital Content Creation, 163–83. London: Springer London, 2001. http://dx.doi.org/10.1007/978-1-4471-0293-9_13.

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Belfor, R. A. F., R. L. Lagendijk, and J. Biemond. "Subsampling of Digital Image Sequences using Motion Information." In Motion Analysis and Image Sequence Processing, 189–223. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3236-1_7.

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Zhang, Xinpeng, Chuan Qin, and Guangling Sun. "Reversible Data Hiding in Encrypted Images Using Pseudorandom Sequence Modulation." In Digital Forensics and Watermaking, 358–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-40099-5_30.

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Asesh, Aishwarya. "Predicting Music Using Machine Learning." In Digital Interaction and Machine Intelligence, 26–34. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-37649-8_3.

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Анотація:

AbstractThe intricate temporally prolonged sequences seen in music make it a perfect environment for the study of prediction. Melody, harmony, and rhythm are three examples of the structural elements found in music. This research incorporates music excerpts prediction by understanding structural details using Markov chain and LSTM models. The novel approach compares to state-of-the-art algorithms by predicting how a musical excerpt would continue after being given as input. To compare the variations in prediction and learning, different learning models with different input feature representations were utilized. This algorithm envisions multitude of usage including next generation music recommendation system using intra-sequence matching, pitch-tone correction, amongst others by integrating with recent advances in deep learning, computer vision, and speech techniques.

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Тези доповідей конференцій з теми "Digital sequence"

Szkola, Jaroslaw, and Krzysztof Pancerz. "Pattern Recognition in Sequences Using Multistate Sequence Autoencoding Neural Networks." In 2019 International Conference on Information and Digital Technologies (IDT). IEEE, 2019. http://dx.doi.org/10.1109/dt.2019.8813757.

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Cheng, Nancy Yen-wen. "Stroke Sequence in Digital Sketching." In eCAADe 2004: Architecture in the Network Society. eCAADe, 2004. http://dx.doi.org/10.52842/conf.ecaade.2004.387.

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Yulitha, G. C. "Sequence Stratigraphy Analysis Based on Wireline Log, Mudlog, and 2D Seismic of GHC Field, Baong Formation, Aru Sub Basin, North Sumatra Basin." In Digital Technical Conference. Indonesian Petroleum Association, 2020. http://dx.doi.org/10.29118/ipa20-sg-229.

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The Baong Formation is one of the formations that has hydrocarbon potential in the Aru Sub Basin, North Sumatra Basin (Figure 1). However, geological information in that area is still far less than is available in others. Analysis of sequence stratigraphy needs to be done to enrich geological information of the study area, maximize the results of exploration before exploitation, and make it easier to find the distribution of potential layers of oil and gas. Methods that are used in this research are electrofacies analysis to show the appearance of rock grain size and geological processes that affect its formation, Well Seismic Tie and interpretation of the horizon along with structures to produce a Time Structure Map, and correlate the sequences in log wells and 2D seismic cross section to know the same area of each sequence. Based on third-order sequence, the Baong Formation was divided into two types of system tract, such as Lowstand System Tract (LST) and Transgressive System Tract (TST). Maximum Flooding Surface (MFS) as the lower boundary of LST, Transgressive Surface (TS) as the boundary between LST and TST, and Maximum Flooding Surface as the upper boundary of TST. Based on fourth-order sequence, each of the system tracts was divided into seven parasequences with Flooding Surface as the boundary. The research area can also be interpreted into a conceptual model of a hydrocarbon system.

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Kalade, Sarunas, Louise Crockett, and Robert W. Stewart. "Using Sequence to Sequence Learning for Digital BPSK and QPSK Demodulation." In 2018 IEEE 5G World Forum (5GWF). IEEE, 2018. http://dx.doi.org/10.1109/5gwf.2018.8517049.

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Rouchouze, Bruno, Frederic Dufaux, and Murat Kunt. "Interlaced image sequence coding for digital TV." In San Diego '92, edited by Andrew G. Tescher. SPIE, 1993. http://dx.doi.org/10.1117/12.139092.

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Wang, Yan, Shi-Qiang Zhang, and Yan-Chun Wang. "Wavelet Digital Watermark Based on Chaotic Sequence." In 2008 3rd International Conference on Innovative Computing Information and Control. IEEE, 2008. http://dx.doi.org/10.1109/icicic.2008.600.

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Sarma, K. S. K. S., and B. Lavanya. "Digital image scrambling based on sequence generation." In 2017 International Conference on Circuit ,Power and Computing Technologies (ICCPCT). IEEE, 2017. http://dx.doi.org/10.1109/iccpct.2017.8074317.

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Rosa, E. A. "Integrating Wireline Logs and Seismic Data to Analyse The Facies snd Paleogeography of Tanjung Formation, Barito Basin, South Kalimantan." In Digital Technical Conference. Indonesian Petroleum Association, 2020. http://dx.doi.org/10.29118/ipa20-sg-112.

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The study area is physiographically part of the Barito Basin, South Kalimantan (Van Bemmelen, 1949). 2D seismic data along with well logs from three wells, biostratigraphy data from two wells, and core data are utilized to do an integrated sequence stratigraphy. Petrography data from the equivalent formation at well-X from the study area is also used to support the evaluation. This study was to determine lithology facies and depositional environment based on several key maps: Sand Shale Ratio (SSR), Isopach, and Paleogeographic Maps. After that, seismically-supported sequence stratigraphy was applied to vertically and laterally subdivide the facies distribution and paleogeography into two depositional models based on the following key sequence-stratigraphic markers: (1) Sequence Boundary (SB)-1 to SB-2 that show regressive succession, and (2) SB-2 to Top Tanjung Formation that reflects transgressive phase.

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Johanes, Mikhael, and Jeffrey Huang. "Generative Isovist Transformer: Machine learning for spatial sequence synthesis." In eCAADe 2023: Digital Design Reconsidered. eCAADe, 2023. http://dx.doi.org/10.52842/conf.ecaade.2023.2.471.

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Vela, Adan Ernesto, and Yousef Oleyaei-Motlagh. "Ground Level Aviation Noise Prediction: A Sequence to Sequence Modeling Approach Using LSTM Recurrent Neural Networks." In 2020 IEEE/AIAA 39th Digital Avionics Systems Conference (DASC). IEEE, 2020. http://dx.doi.org/10.1109/dasc50938.2020.9256761.

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Звіти організацій з теми "Digital sequence"

Hiemstra, Sipke Joost, Martin Brink, and Theo van Hintum. Digital Sequence Information (DSI) : Options and impact of regulating access and benefit sharing - stakeholder perspectives. Wageningen: Centre for Genetic Resources, the Netherlands (CGN), Wageningen University & Research, 2019. http://dx.doi.org/10.18174/470286.

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Lamontagne, M., K. B. S. Burke, and L. Olson. Felt reports and impact of the November 25, 1988, magnitude 5.9 Saguenay, Quebec, earthquake sequence. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328194.

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The November 25, 1988, moment magnitude 5.9 (Mw) Saguenay earthquake is one of the largest eastern Canadian earthquakes of the 20th century. It was preceded by a magnitude (MN) 4.7 foreshock and followed by very few aftershocks considering the magnitude of the main shock. The largest aftershock was a magnitude (MN) 4.3 event. This Open File (OF) Report presents a variety of documents (including original and interpreted felt information, images, newspaper clippings, various engineering reports on the damage, mass movements). This OF updates the report of Cajka and Drysdale (1994) with additional material, including descriptions of the foreshock and largest aftershock. Most of the felt report information come from replies of a questionnaire sent to postmasters in more than 2000 localities in Canada and in the United States. Images of the original felt reports from Canada are included. The OF also includes information gathered in damage assessments and newspaper accounts. For each locality, the interpreted information is presented in a digital table. The fields include the name, latitude and longitude of the municipality and the interpreted intensity on the Modified Mercalli Intensity (MMI) scale (most of which are the interpretations of Cajka and Drysdale, 1996). When available or significant, excerpts of the felt reports are added. This OF Report also includes images from contemporary newspapers that describe the impact. In addition, information contained in post-earthquake reports are discussed together with pictures of damage and mass movements. Finally, a GoogleEarth kmz file is added for viewing the felt information reports within a spatial tool.

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Burns, Malcom, and Gavin Nixon. Literature review on analytical methods for the detection of precision bred products. Food Standards Agency, September 2023. http://dx.doi.org/10.46756/sci.fsa.ney927.

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The Genetic Technology (Precision Breeding) Act (England) aims to develop a science-based process for the regulation and authorisation of precision bred organisms (PBOs). PBOs are created by genetic technologies but exhibit changes which could have occurred through traditional processes. This current review, commissioned by the Food Standards Agency (FSA), aims to clarify existing terminologies, explore viable methods for the detection, identification, and quantification of products of precision breeding techniques, address and identify potential solutions to the analytical challenges presented, and provide recommendations for working towards an infrastructure to support detection of precision bred products in the future. The review includes a summary of the terminology in relation to analytical approaches for detection of precision bred products. A harmonised set of terminology contributes towards promoting further understanding of the common terms used in genome editing. A review of the current state of the art of potential methods for the detection, identification and quantification of precision bred products in the UK, has been provided. Parallels are drawn with the evolution of synergistic analytical approaches for the detection of Genetically Modified Organisms (GMOs), where molecular biology techniques are used to detect DNA sequence changes in an organism’s genome. The scope and limitations of targeted and untargeted methods are summarised. Current scientific opinion supports that modern molecular biology techniques (i.e., quantitative real-time Polymerase Chain Reaction (qPCR), digital PCR (dPCR) and Next Generation Sequencing (NGS)) have the technical capability to detect small alterations in an organism’s genome, given specific prerequisites of a priori information on the DNA sequence of interest and of the associated flanking regions. These techniques also provide the best infra-structure for developing potential approaches for detection of PBOs. Should sufficient information be known regarding a sequence alteration and confidence can be attributed to this being specific to a PBO line, then detection, identification and quantification can potentially be achieved. Genome editing and new mutagenesis techniques are umbrella terms, incorporating a plethora of approaches with diverse modes of action and resultant mutational changes. Generalisations regarding techniques and methods for detection for all PBO products are not appropriate, and each genome edited product may have to be assessed on a case-by-case basis. The application of modern molecular biology techniques, in isolation and by targeting just a single alteration, are unlikely to provide unequivocal evidence to the source of that variation, be that as a result of precision breeding or as a result of traditional processes. In specific instances, detection and identification may be technically possible, if enough additional information is available in order to prove that a DNA sequence or sequences are unique to a specific genome edited line (e.g., following certain types of Site-Directed Nucelase-3 (SDN-3) based approaches). The scope, gaps, and limitations associated with traceability of PBO products were examined, to identify current and future challenges. Alongside these, recommendations were made to provide the infrastructure for working towards a toolkit for the design, development and implementation of analytical methods for detection of PBO products. Recognition is given that fully effective methods for PBO detection have yet to be realised, so these recommendations have been made as a tool for progressing the current state-of-the-art for research into such methods. Recommendations for the following five main challenges were identified. Firstly, PBOs submitted for authorisation should be assessed on a case-by-case basis in terms of the extent, type and number of genetic changes, to make an informed decision on the likelihood of a molecular biology method being developed for unequivocal identification of that specific PBO. The second recommendation is that a specialist review be conducted, potentially informed by UK and EU governmental departments, to monitor those PBOs destined for the authorisation process, and actively assess the extent of the genetic variability and mutations, to make an informed decision on the type and complexity of detection methods that need to be developed. This could be further informed as part of the authorisation process and augmented via a publicly available register or database. Thirdly, further specialist research and development, allied with laboratory-based evidence, is required to evaluate the potential of using a weight of evidence approach for the design and development of detection methods for PBOs. This concept centres on using other indicators, aside from the single mutation of interest, to increase the likelihood of providing a unique signature or footprint. This includes consideration of the genetic background, flanking regions, off-target mutations, potential CRISPR/Cas activity, feasibility of heritable epigenetic and epitranscriptomic changes, as well as supplementary material from supplier, origin, pedigree and other documentation. Fourthly, additional work is recommended, evaluating the extent/type/nature of the genetic changes, and assessing the feasibility of applying threshold limits associated with these genetic changes to make any distinction on how they may have occurred. Such a probabilistic approach, supported with bioinformatics, to determine the likelihood of particular changes occurring through genome editing or traditional processes, could facilitate rapid classification and pragmatic labelling of products and organisms containing specific mutations more readily. Finally, several scientific publications on detection of genome edited products have been based on theoretical principles. It is recommended to further qualify these using evidenced based practical experimental work in the laboratory environment. Additional challenges and recommendations regarding the design, development and implementation of potential detection methods were also identified. Modern molecular biology-based techniques, inclusive of qPCR, dPCR, and NGS, in combination with appropriate bioinformatics pipelines, continue to offer the best analytical potential for developing methods for detecting PBOs. dPCR and NGS may offer the best technical potential, but qPCR remains the most practicable option as it is embedded in most analytical laboratories. Traditional screening approaches, similar to those for conventional transgenic GMOs, cannot easily be used for PBOs due to the deficit in common control elements incorporated into the host genome. However, some limited screening may be appropriate for PBOs as part of a triage system, should a priori information be known regarding the sequences of interest. The current deficit of suitable methods to detect and identify PBOs precludes accurate PBO quantification. Development of suitable reference materials to aid in the traceability of PBOs remains an issue, particularly for those PBOs which house on- and off-target mutations which can segregate. Off-target mutations may provide an additional tool to augment methods for detection, but unless these exhibit complete genetic linkage to the sequence of interest, these can also segregate out in resulting generations. Further research should be conducted regarding the likelihood of multiple mutations segregating out in a PBO, to help inform the development of appropriate PBO reference materials, as well as the potential of using off-target mutations as an additional tool for PBO traceability. Whilst recognising the technical challenges of developing and maintaining pan-genomic databases, this report recommends that the UK continues to consider development of such a resource, either as a UK centric version, or ideally through engagement in parallel EU and international activities to better achieve harmonisation and shared responsibilities. Such databases would be an invaluable resource in the design of reliable detection methods, as well as for confirming that a mutation is as a result of genome editing. PBOs and their products show great potential within the agri-food sector, necessitating a science-based analytical framework to support UK legislation, business and consumers. Differentiating between PBOs generated through genome editing compared to organisms which exhibit the same mutational change through traditional processes remains analytically challenging, but a broad set of diagnostic technologies (e.g., qPCR, NGS, dPCR) coupled with pan-genomic databases and bioinformatics approaches may help contribute to filling this analytical gap, and support the safety, transparency, proportionality, traceability and consumer confidence associated with the UK food chain.

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Atkinson, E. A. Regional mapping and qualitative petroleum resource assessment of the Magdalen Basin, Gulf of St. Lawrence, Quebec, Prince Edward Island, New Brunswick, Nova Scotia, and Newfoundland and Labrador. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331452.

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The Geological Survey of Canada conducted a broad regional study of the Magdalen Basin in the Gulf of St. Lawrence, as part of the Marine Conservation Targets initiative. MCT is a national initiative to protect more of Canada's offshore areas, and resource assessment and related regional mapping are part of the review process. This study assembled a large seismic and geologic database that allowed new regional mapping of several key horizons in this basin. Digital seismic data was donated by industry, and reprocessing undertaken both in-house and with contractors. Wells were correlated and tops from literature were used to indentify regional reflection packages. Regionally consistent two-way time interpretations add to confidence. Depth conversion used regional time-depth functions from literature, which were developed from refraction data, with a residual correction for the water column. Nine regional depth maps and eight isopach maps were produced, including Pre-Horton Basement, Horton Group Isopach, Base Windsor Group, Top Salt, Top Bradelle Formation, Bradelle / Cumberland Isopach, and Top Cable Head Formation. These maps illustrate that the Pre-Horton basement is about 15 km deep in the centre of the basin. Two main trends are visible in the Horton Grabens, which may relate to basin formation, and no significant reactivation of deeper Appalachian structure is observed. In the basin centre, the more robust Base Windsor Unconformity horizon reaches about 12 km deep, and a key reservoir and source sequence in the Bradelle Formation reaches 7 km. These maps are useful for considering regional stratigraphy. The new mapping also constrained basin models and became the input for our Qualitative Petroleum Potential map. Basin modelling reveals scenarios where oil may be preserved. The petroleum potential of the region is highest north of Îles de la Madeleine and southeast of Îles de la Madeleine and northwest of Cape Breton.

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Merkulova, Yuliya. Система цифровых моделей - новая технология для баланса данных. Yuliya Merkulova, квітень 2021. http://dx.doi.org/10.12731/er0430.26042021.

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Use of the digital technologies is new and very productive approach for balance of different data. It is very important for balance of supply and demand and for increase of competitiveness of products. Various types of digital models were developed as a result of scientific research, they found reflection in article. Digital models for the description of the list of the sequences of steps and operations of various stages and process in general allow to install system of interrelations between operations and steps and to reach necessary log-ic, increase of effectiveness of any process. Object-relational models for establishment of communications between data of various blocks of databases and functional models of the choice of strategy of data balance form analytical base for justification of the choice of the direction of transformation of data. Models of a combination of a plurality of various data of the offer of products in the form of matrixes of multi-purpose optimization have double effect, because they allow not only to develop various options of data combina-tion, taking into account opportunities of change of location of products over the markets and temporary phases, but also to estimate aggregate useful effect from products. These models together with models of comparison of various options and the choice of optimal solutions allow to generate compatible strategic and current programs of the offer of products as a plurality of the output data balanced with each other and with data of demand. It is providing the best synergetic result. The developed methodology of creation of system of the interconnected digital models for transformation of data and generation of the output data of the situational-strategic program of the offer of products is a cornerstone of formation of new digital econ-omy – of economy of balanced data.

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Buitrago García, Hilda Clarena. Making Managing Data Easy-Peasy. Ediciones Universidad Cooperativa de Colombia, December 2022. http://dx.doi.org/10.16925/gcnc.42.

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This class note, made up of three sequenced units, aims at helping both Universidad Cooperativa de Colombia (UCC) teachers and their students to use a variety of tools to find, curate, and manage different kinds of data and references effectively. This will, undoubtedly affect their academic work in a positive way since they can save time and have easier access to more organized and clear information. Whether they teach or take an undergraduate or postgraduate program, this module will increase their efficiency and overall performance. Teachers will be able to help their students navigate databases, necessary for most high-quality academic work, with greater ease. Both conceptual content and practical hands-on activities are provided. This module includes a variety of digital resources, links, tutorials, as well as hands-on and assessment activities. Overall, the quality of education which UCC intends to offer to the whole community can be positively impacted by the content and activities offered in this self-paced and self-managed module.

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Abbo, Shahal, Hongbin Zhang, Clarice Coyne, Amir Sherman, Dan Shtienberg, and George J. Vandemark. Winter chickpea; towards a new winter pulse for the semiarid Pacific Northwest and wider adaptation in the Mediterranean basin. United States Department of Agriculture, January 2011. http://dx.doi.org/10.32747/2011.7597909.bard.

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Original objectives: [a] Screen an array of chickpea and wild annual Cicer germplasm for winter survival. [b] Genetic analysis of winter hardiness in domesticated x wild chickpea crosses. [c] Genetic analysis of vernalization response in domesticated x wild chickpea crosses. [d] Digital expression analysis of a core selection of breeding and germplasm lines of chickpea that differ in winter hardiness and vernalization. [e] Identification of the genes involved in the chickpea winter hardiness and vernalization and construction of gene network controlling these traits. [f] Assessing the phenotypic and genetic correlations between winter hardiness, vernalization response and Ascochyta blight response in chickpea. The complexity of the vernalization response and the inefficiency of our selection experiments (below) required quitting the work on ascochyta response in the framework of this project. Background to the subject: Since its introduction to the Palouse region of WA and Idaho, and the northern Great Plains, chickpea has been a spring rotation legume due to lack of winter hardiness. The short growing season of spring chickpea limits its grain yield and leaves relatively little stubble residue for combating soil erosion. In Israel, chilling temperatures limit pod setting in early springs and narrow the effective reproductive time window of the crop. Winter hardiness and vernalization response of chickpea alleles were lost due to a series of evolutionary bottlenecks; however, such alleles are prevalent in its wild progenitor’s genepool. Major conclusions, solutions, achievements: It appears that both vernalization response and winter hardiness are polygenic traits in the wild-domesticated chickpea genepool. The main conclusion from the fieldwork in Israel is that selection of domesticated winter hardy and vernalization responsive types should be conducted in late flowering and late maturity backgrounds to minimize interference by daylength and temperature response alleles (see our Plant Breeding paper on the subject). The main conclusion from the US winter-hardiness studies is that excellent lines have been identified for germplasm release and continued genetic study. Several of the lines have good seed size and growth habit that will be useful for introgressing winter-hardiness into current chickpea cultivars to develop releases for autumn sowing. We sequenced the transcriptomes and profiled the expression of genes in 87 samples. Differential expression analysis identified a total of 2,452 differentially expressed genes (DEGs) between vernalized plants and control plants, of which 287 were shared between two or more Cicer species studied. We cloned 498 genes controlling vernalization, named CVRN genes. Each of the CVRN genes contributes to flowering date advance (FDA) by 3.85% - 10.71%, but 413 (83%) other genes had negative effects on FDA, while only 83 (17%) had positive effects on FDA, when the plant is exposed to cold temperature. The cloned CVRN genes provide new toolkits and knowledge to develop chickpea cultivars that are suitable for autumn-sowing. Scientific & agricultural implications: Unlike the winter cereals (barley, wheat) or pea, in which a single allelic change may induce a switch from winter to spring habit, we were unable to find any evidence for such major gene action in chickpea. In agricultural terms this means that an alternative strategy must be employed in order to isolate late flowering – ascochyta resistant (winter types) domesticated forms to enable autumn sowing of chickpea in the US Great Plains. An environment was identified in U.S. (eastern Washington) where autumn-sown chickpea production is possible using the levels of winter-hardiness discovered once backcrossed into advanced cultivated material with acceptable agronomic traits. The cloned CVRN genes and identified gene networks significantly advance our understanding of molecular mechanisms underlying plant vernalization in general, and chickpea in particular, and provide a new toolkit for switching chickpea from a spring-sowing to autumn-sowing crop.

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