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Author : Ralph A. Neff
Publisher :
ISBN 13 :
Total Pages : 646 pages
Book Rating : 4.:/5 (1 download)
Download or read book New Methods for Matching Pursuit Video Compression written by Ralph A. Neff and published by . This book was released on 2000 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eugene Miloslavsky
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.:/5 (419 download)
Download or read book SNR Scalable Video Compression Using Matching Pursuits written by Eugene Miloslavsky and published by . This book was released on 1998 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Madhuri A. Joshi
Publisher : CRC Press
ISBN 13 : 148222822X
Total Pages : 242 pages
Book Rating : 4.4/5 (822 download)
Download or read book Image and Video Compression written by Madhuri A. Joshi and published by CRC Press. This book was released on 2014-11-17 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Image and video signals require large transmission bandwidth and storage, leading to high costs. The data must be compressed without a loss or with a small loss of quality. Thus, efficient image and video compression algorithms play a significant role in the storage and transmission of data. Image and Video Compression: Fundamentals, Techniques, and Applications explains the major techniques for image and video compression and demonstrates their practical implementation using MATLAB® programs. Designed for students, researchers, and practicing engineers, the book presents both basic principles and real practical applications. In an accessible way, the book covers basic schemes for image and video compression, including lossless techniques and wavelet- and vector quantization-based image compression and digital video compression. The MATLAB programs enable readers to gain hands-on experience with the techniques. The authors provide quality metrics used to evaluate the performance of the compression algorithms. They also introduce the modern technique of compressed sensing, which retains the most important part of the signal while it is being sensed.
Author : Luís Filipe Rosário Lucas
Publisher : Springer
ISBN 13 : 3319511807
Total Pages : 180 pages
Book Rating : 4.3/5 (195 download)
Download or read book Efficient Predictive Algorithms for Image Compression written by Luís Filipe Rosário Lucas and published by Springer. This book was released on 2017-02-09 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses efficient prediction techniques for the current state-of-the-art High Efficiency Video Coding (HEVC) standard, focusing on the compression of a wide range of video signals, such as 3D video, Light Fields and natural images. The authors begin with a review of the state-of-the-art predictive coding methods and compression technologies for both 2D and 3D multimedia contents, which provides a good starting point for new researchers in the field of image and video compression. New prediction techniques that go beyond the standardized compression technologies are then presented and discussed. In the context of 3D video, the authors describe a new predictive algorithm for the compression of depth maps, which combines intra-directional prediction, with flexible block partitioning and linear residue fitting. New approaches are described for the compression of Light Field and still images, which enforce sparsity constraints on linear models. The Locally Linear Embedding-based prediction method is investigated for compression of Light Field images based on the HEVC technology. A new linear prediction method using sparse constraints is also described, enabling improved coding performance of the HEVC standard, particularly for images with complex textures based on repeated structures. Finally, the authors present a new, generalized intra-prediction framework for the HEVC standard, which unifies the directional prediction methods used in the current video compression standards, with linear prediction methods using sparse constraints. Experimental results for the compression of natural images are provided, demonstrating the advantage of the unified prediction framework over the traditional directional prediction modes used in HEVC standard.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Video Compression Algorithms for Transmission and Video written by and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past year, we have continued our efforts in image and video compression. We developed a real time software only scalable video compression codec. We have also optimized the scalable coder for transmission over wireless links by jointly optimizing the channel and source coders. We also have developed a video retrieval algorithm using motion, size, and color. We constrained the algorithm to be able to retrieve video in real time and only using information available in compressed bit-streams. In the are of video compression, we continued improving video coding using matching pursuits. We improved the coding efficiency performance by more than 1 dB for many of MPEG-4 test sequences. We have worked on reducing the complexity of the encoder and developed a real time software only low bit rate encoder. We also addressed the error resilience issue and developed a more error resilient matching pursuit video codec that performs as well as original coder, if not better.
Author : Pankaj N. Topiwala
Publisher : Springer Science & Business Media
ISBN 13 : 0306470438
Total Pages : 434 pages
Book Rating : 4.3/5 (64 download)
Download or read book Wavelet Image and Video Compression written by Pankaj N. Topiwala and published by Springer Science & Business Media. This book was released on 2006-04-18 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: An exciting new development has taken place in the digital era that has captured the imagination and talent of researchers around the globe - wavelet image compression. This technology has deep roots in theories of vision, and promises performance improvements over all other compression methods, such as those based on Fourier transforms, vectors quantizers, fractals, neural nets, and many others. It is this revolutionary new technology that is presented in Wavelet Image and Video Compression, in a form that is accessible to the largest audience possible. Wavelet Image and Video Compression is divided into four parts. Part I, Background Material, introduces the basic mathematical structures that underly image compression algorithms with the intention of providing an easy introduction to the mathematical concepts that are prerequisites for the remainder of the book. It explains such topics as change of bases, scalar and vector quantization, bit allocation and rate-distortion theory, entropy coding, the discrete-cosine transform, wavelet filters and other related topics. Part II, Still Image Coding, presents a spectrum of wavelet still image coding techniques. Part III, Special Topics in Still Image Coding, provides a variety of example coding schemes with a special flavor in either approach or application domain. Part IV, Video Coding, examines wavelet and pyramidal coding techniques for video data. Wavelet Image and Video Compression serves as an excellent reference and may be used as a text for advanced courses covering the subject.
Author : Amal Punchihewa
Publisher : BoD – Books on Demand
ISBN 13 : 9535104225
Total Pages : 166 pages
Book Rating : 4.5/5 (351 download)
Download or read book Video Compression written by Amal Punchihewa and published by BoD – Books on Demand. This book was released on 2012-03-23 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Even though video compression has become a mature field, a lot of research is still ongoing. Indeed, as the quality of the compressed video for a given size or bit rate increases, so does users’ level of expectations and their intolerance to artefacts. The development of compression technology has enabled number of applications; key applications in television broadcast field. Compression technology is the basis for digital television. The “Video Compression” book was written for scientists and development engineers. The aim of the book is to showcase the state of the art in the wider field of compression beyond encoder centric approach and to appreciate the need for video quality assurance. It covers compressive video coding, distributed video coding, motion estimation and video quality.
Author :
Publisher :
ISBN 13 :
Total Pages : 536 pages
Book Rating : 4.3/5 (91 download)
Download or read book Digital Video Compression written by and published by . This book was released on 1995 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raymond Westwater
Publisher : Springer
ISBN 13 : 0585323135
Total Pages : 164 pages
Book Rating : 4.5/5 (853 download)
Download or read book Real-Time Video Compression written by Raymond Westwater and published by Springer. This book was released on 2007-08-28 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Real-Time Video Compression: Techniques and Algorithms introduces the XYZ video compression technique, which operates in three dimensions, eliminating the overhead of motion estimation. First, video compression standards, MPEG and H.261/H.263, are described. They both use asymmetric compression algorithms, based on motion estimation. Their encoders are much more complex than decoders. The XYZ technique uses a symmetric algorithm, based on the Three-Dimensional Discrete Cosine Transform (3D-DCT). 3D-DCT was originally suggested for compression about twenty years ago; however, at that time the computational complexity of the algorithm was too high, it required large buffer memory, and was not as effective as motion estimation. We have resurrected the 3D-DCT-based video compression algorithm by developing several enhancements to the original algorithm. These enhancements make the algorithm feasible for real-time video compression in applications such as video-on-demand, interactive multimedia, and videoconferencing. The demonstrated results, presented in this book, suggest that the XYZ video compression technique is not only a fast algorithm, but also provides superior compression ratios and high quality of the video compared to existing standard techniques, such as MPEG and H.261/H.263. The elegance of the XYZ technique is in its simplicity, which leads to inexpensive VLSI implementation of any XYZ codec. Real-Time Video Compression: Techniques and Algorithms can be used as a text for graduate students and researchers working in the area of real-time video compression. In addition, the book serves as an essential reference for professionals in the field.
Author : Stephane Mallat
Publisher : Academic Press
ISBN 13 : 0080922023
Total Pages : 829 pages
Book Rating : 4.0/5 (89 download)
Download or read book A Wavelet Tour of Signal Processing written by Stephane Mallat and published by Academic Press. This book was released on 2008-12-18 with total page 829 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mallat's book is the undisputed reference in this field - it is the only one that covers the essential material in such breadth and depth. - Laurent Demanet, Stanford University The new edition of this classic book gives all the major concepts, techniques and applications of sparse representation, reflecting the key role the subject plays in today's signal processing. The book clearly presents the standard representations with Fourier, wavelet and time-frequency transforms, and the construction of orthogonal bases with fast algorithms. The central concept of sparsity is explained and applied to signal compression, noise reduction, and inverse problems, while coverage is given to sparse representations in redundant dictionaries, super-resolution and compressive sensing applications. Features: * Balances presentation of the mathematics with applications to signal processing * Algorithms and numerical examples are implemented in WaveLab, a MATLAB toolbox New in this edition * Sparse signal representations in dictionaries * Compressive sensing, super-resolution and source separation * Geometric image processing with curvelets and bandlets * Wavelets for computer graphics with lifting on surfaces * Time-frequency audio processing and denoising * Image compression with JPEG-2000 * New and updated exercises A Wavelet Tour of Signal Processing: The Sparse Way, Third Edition, is an invaluable resource for researchers and R&D engineers wishing to apply the theory in fields such as image processing, video processing and compression, bio-sensing, medical imaging, machine vision and communications engineering. Stephane Mallat is Professor in Applied Mathematics at École Polytechnique, Paris, France. From 1986 to 1996 he was a Professor at the Courant Institute of Mathematical Sciences at New York University, and between 2001 and 2007, he co-founded and became CEO of an image processing semiconductor company. Includes all the latest developments since the book was published in 1999, including its application to JPEG 2000 and MPEG-4 Algorithms and numerical examples are implemented in Wavelab, a MATLAB toolbox Balances presentation of the mathematics with applications to signal processing
Author : David Bull
Publisher : Morgan Kaufmann
ISBN 13 : 9780121403102
Total Pages : 498 pages
Book Rating : 4.4/5 (31 download)
Download or read book Insights Into Mobile Multimedia Communications written by David Bull and published by Morgan Kaufmann. This book was released on 1999 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes the state-of-the-art in digital multimedia communications. This text presents an integrated view of advanced radio systems, network architectures and source coding.
Author : Sally Lin
Publisher : Springer Science & Business Media
ISBN 13 : 3642233236
Total Pages : 649 pages
Book Rating : 4.6/5 (422 download)
Download or read book Advances in Computer Science, Environment, Ecoinformatics, and Education, Part II written by Sally Lin and published by Springer Science & Business Media. This book was released on 2011-08-09 with total page 649 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 5-volume set (CCIS 214-CCIS 218) constitutes the refereed proceedings of the International Conference on Computer Science, Environment, Ecoinformatics, and Education, CSEE 2011, held in Wuhan, China, in July 2011. The 525 revised full papers presented in the five volumes were carefully reviewed and selected from numerous submissions. The papers are organized in topical sections on information security, intelligent information, neural networks, digital library, algorithms, automation, artificial intelligence, bioinformatics, computer networks, computational system, computer vision, computer modelling and simulation, control, databases, data mining, e-learning, e-commerce, e-business, image processing, information systems, knowledge management and knowledge discovering, mulitimedia and its apllication, management and information system, moblie computing, natural computing and computational intelligence, open and innovative education, pattern recognition, parallel and computing, robotics, wireless network, web application, other topics connecting with computer, environment and ecoinformatics, modeling and simulation, environment restoration, environment and energy, information and its influence on environment, computer and ecoinformatics, biotechnology and biofuel, as well as biosensors and bioreactor.
Author : Ehsan Miandji
Publisher : Linköping University Electronic Press
ISBN 13 : 9176851869
Total Pages : 158 pages
Book Rating : 4.1/5 (768 download)
Download or read book Sparse representation of visual data for compression and compressed sensing written by Ehsan Miandji and published by Linköping University Electronic Press. This book was released on 2018-11-23 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ongoing advances in computational photography have introduced a range of new imaging techniques for capturing multidimensional visual data such as light fields, BRDFs, BTFs, and more. A key challenge inherent to such imaging techniques is the large amount of high dimensional visual data that is produced, often requiring GBs, or even TBs, of storage. Moreover, the utilization of these datasets in real time applications poses many difficulties due to the large memory footprint. Furthermore, the acquisition of large-scale visual data is very challenging and expensive in most cases. This thesis makes several contributions with regards to acquisition, compression, and real time rendering of high dimensional visual data in computer graphics and imaging applications. Contributions of this thesis reside on the strong foundation of sparse representations. Numerous applications are presented that utilize sparse representations for compression and compressed sensing of visual data. Specifically, we present a single sensor light field camera design, a compressive rendering method, a real time precomputed photorealistic rendering technique, light field (video) compression and real time rendering, compressive BRDF capture, and more. Another key contribution of this thesis is a general framework for compression and compressed sensing of visual data, regardless of the dimensionality. As a result, any type of discrete visual data with arbitrary dimensionality can be captured, compressed, and rendered in real time. This thesis makes two theoretical contributions. In particular, uniqueness conditions for recovering a sparse signal under an ensemble of multidimensional dictionaries is presented. The theoretical results discussed here are useful for designing efficient capturing devices for multidimensional visual data. Moreover, we derive the probability of successful recovery of a noisy sparse signal using OMP, one of the most widely used algorithms for solving compressed sensing problems.
Author : Tat-Jen Cham
Publisher : Springer
ISBN 13 : 3540694234
Total Pages : 811 pages
Book Rating : 4.5/5 (46 download)
Download or read book Advances in Multimedia Modeling written by Tat-Jen Cham and published by Springer. This book was released on 2007-07-05 with total page 811 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two volume set LNCS 4351 and LNCS 4352 constitutes the refereed proceedings of the 13th International Multimedia Modeling Conference, MMM 2007, held in Singapore in January 2007. Based on rigorous reviewing, the program committee selected 123 carefully revised full papers of the main technical sessions and 33 revised full papers of four special sessions from a total of 392 submissions for presentation in two volumes.
Author : Luigi Atzori
Publisher : Springer Science & Business Media
ISBN 13 : 3540335781
Total Pages : 233 pages
Book Rating : 4.5/5 (43 download)
Download or read book Visual Content Processing and Representation written by Luigi Atzori and published by Springer Science & Business Media. This book was released on 2006-04-18 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the thoroughly refereed postproceedings of the 9th International Workshop on Visual Content Processing and Representation, VLBV 2005. The 28 revised full papers presented together with 4 panel summaries were selected from 85 submissions during two rounds of reviewing and revision. The papers address all current issues in visual content processing techniques such as video and image analysis, representation and coding, communications and delivery, consumption, synthesis, protection, and adaptation.
Author : Jens-Rainer Ohm
Publisher : Springer
ISBN 13 : 3662466910
Total Pages : 563 pages
Book Rating : 4.6/5 (624 download)
Download or read book Multimedia Signal Coding and Transmission written by Jens-Rainer Ohm and published by Springer. This book was released on 2015-03-16 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook covers the theoretical background of one- and multidimensional signal processing, statistical analysis and modelling, coding and information theory with regard to the principles and design of image, video and audio compression systems. The theoretical concepts are augmented by practical examples of algorithms for multimedia signal coding technology, and related transmission aspects. On this basis, principles behind multimedia coding standards, including most recent developments like High Efficiency Video Coding, can be well understood. Furthermore, potential advances in future development are pointed out. Numerous figures and examples help to illustrate the concepts covered. The book was developed on the basis of a graduate-level university course, and most chapters are supplemented by exercises. The book is also a self-contained introduction both for researchers and developers of multimedia compression systems in industry.
Author : David Bull
Publisher : Academic Press
ISBN 13 : 0124201571
Total Pages : 505 pages
Book Rating : 4.1/5 (242 download)
Download or read book Academic Press Library in Signal Processing written by David Bull and published by Academic Press. This book was released on 2014-06-12 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fifth volume, edited and authored by world leading experts, gives a review of the principles, methods and techniques of important and emerging research topics and technologies in image and video compression and multimedia. With this reference source you will: Quickly grasp a new area of research Understand the underlying principles of a topic and its application Ascertain how a topic relates to other areas and learn of the research issues yet to be resolved Quick tutorial reviews of important and emerging topics of research in Image and Video Compression and Multimedia Comprehensive references to journal articles and other literature on which to build further, more specific and detailed knowledge Edited by leading people in the field who, through their reputation, have been able to commission experts to write on a particular topic
