Wavelet Image And Video Compression

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Wavelet Image And Video Compression

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Author : Pankaj N. Topiwala
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-18

Wavelet Image And Video Compression written by Pankaj N. Topiwala and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-04-18 with Science categories.

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.

Image And Video Compression Using The Wavelet Transform

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Author : A. S. Lewis
language : en
Publisher:
Release Date : 1995

Image And Video Compression Using The Wavelet Transform written by A. S. Lewis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.

Wavelet Image Compression

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Author : William Pearlman
language : en
Publisher: Morgan & Claypool Publishers
Release Date : 2013-01-01

Wavelet Image Compression written by William Pearlman and has been published by Morgan & Claypool Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-01 with Technology & Engineering categories.

This book explains the stages necessary to create a wavelet compression system for images and describes state-of-the-art systems used in image compression standards and current research. It starts with a high level discussion of the properties of the wavelet transform, especially the decomposition into multi-resolution subbands. It continues with an exposition of the null-zone, uniform quantization used in most subband coding systems and the optimal allocation of bitrate to the different subbands. Then the image compression systems of the FBI Fingerprint Compression Standard and the JPEG2000 Standard are described in detail. Following that, the set partitioning coders SPECK and SPIHT, and EZW are explained in detail and compared via a fictitious wavelet transform in actions and number of bits coded in a single pass in the top bit plane. The presentation teaches that, besides producing efficient compression, these coding systems, except for the FBI Standard, are capable of writing bit streams that have attributes of rate scalability, resolution scalability, and random access decoding. Many diagrams and tables accompany the text to aid understanding. The book is generous in pointing out references and resources to help the reader who wishes to expand his knowledge, know the origins of the methods, or find resources for running the various algorithms or building his own coding system. Table of Contents: Introduction / Characteristics of the Wavelet Transform / Generic Wavelet-based Coding Systems / The FBI Fingerprint Image Compression Standard / Set Partition Embedded Block (SPECK) Coding / Tree-based Wavelet Transform Coding Systems / Rate Control for Embedded Block Coders / Conclusion

Video Compression And Rate Control Methods Based On The Wavelet Transform

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Author : Eric J. Balster
language : en
Publisher:
Release Date : 2004

Video Compression And Rate Control Methods Based On The Wavelet Transform written by Eric J. Balster and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Image compression categories.

Abstract: Wavelet-based image and video compression techniques have become popular areas in the research community. In March of 2000, the Joint Pictures Expert Group (JPEG) released JPEG2000. JPEG2000 is a wavelet-based image compression standard and predicted to completely replace the original JPEG standard. In the video compression field, a compression technique called 3D wavelet compression shows promise. Thus, wavelet-based compression techniques have received more attention from the research community. This dissertation involves further investigation of the wavelet transform in the compression of image and video signals, and a rate control method for real-time transfer of wavelet-based compressed video. A pre-processing algorithm based on the wavelet transform is developed for the removal of noise in images prior to compression. The intelligent removal of noise reduces the entropy of the original signal, aiding in compressibility. The proposed wavelet-based denoising method shows a computational speedup of at least an order of magnitude than previously established image denoising methods and a higher peak signal-to-noise ratio (PSNR). A video denoising algorithm is also included which eliminates both intra- and inter-frame noise. The inter-frame noise removal technique estimates the amount of motion in the image sequence. Using motion and noise level estimates, a video denoising technique is established which is robust to various levels of noise corruption and various levels of motion. A virtual-object video compression method is included. Object-based compression methods have come to the forefront of the research community with the adoption of the MPEG-4 (Motion Pictures Expert Group) standard. Object-based compression methods promise higher compression ratios without further cost in reconstructed quality. Results show that virtual-object compression outperforms 3D wavelet compression with an increase in compression ratio and higher PSNR. Finally, a rate-control method is developed for the real-time transmission of wavelet-based compressed video. Wavelet compression schemes demand a rate-control algorithm for real-time video communication systems. Using a leaky-bucket design approach, the proposed rate-control method manages the uncertain factors in both the acquisition time of the group of frames (GoF), computation time of compression/decompression algorithms, and network delay. Results show good management and control of buffers and minimal variance in frame rate.

Wavelet Applications In Signal And Image Processing

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Author :
language : en
Publisher:
Release Date : 1999

Wavelet Applications In Signal And Image Processing written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Image processing categories.

Security Steganography And Watermarking Of Multimedia Contents

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Author :
language : en
Publisher:
Release Date : 2005

Security Steganography And Watermarking Of Multimedia Contents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Cryptography categories.

On The Applicability Of Wavelet Transforms To Image And Video Compression

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Author : Oyvind Stromme
language : en
Publisher:
Release Date : 1999

On The Applicability Of Wavelet Transforms To Image And Video Compression written by Oyvind Stromme and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.

Independent Component Analyses Wavelets And Neural Networks

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Author :
language : en
Publisher:
Release Date : 2003

Independent Component Analyses Wavelets And Neural Networks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Multivariate analysis categories.

Design And Management Of Multimedia Information Systems

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Author : Syed Mahbubur Rahman
language : en
Publisher: IGI Global
Release Date : 2001

Design And Management Of Multimedia Information Systems written by Syed Mahbubur Rahman and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Business & Economics categories.

Multimedia technology has the potential to transform end-user computing from interactive text and graphics models into something more compatible with the digital and electronic world of the 21st century. This work aims to help technology professionals gain an understanding and perspective on areas related to multimedia computing and communication, while addressing the major issues and challenges in the design and management of multimedia information systems. Topics covered include the development of multimedia systems and applications, use of multimedia standards, temporal issues, legal issues, media content management and multimedia document retrieval issues.

Optical Engineering

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Author :
language : en
Publisher:
Release Date : 2006

Optical Engineering written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Electronic journals categories.

Publishes papers reporting on research and development in optical science and engineering and the practical applications of known optical science, engineering, and technology.