By A. Bock
ISBN-10: 0863419631
ISBN-13: 9780863419638
ISBN-10: 1849191034
ISBN-13: 9781849191036
-Traces heritage of video compression structures from low bit cost compression to state-of-the-art top of the range HDTV compression
-Accessible to a large viewers - complex strategies are defined utilizing figures and diagrams with descriptions of the algorithms.
This booklet supplies an summary on many useful elements of video compression platforms utilized in broadcast television, IPTV, telecommunication and lots of different video purposes. even though the booklet concentrates on MPEG real-time video compression platforms, many elements are both acceptable to off-line and/or non-MPEG video compression functions.
After a quick advent to electronic video and video compression rules, the ebook provides a close description of all at present used MPEG video compression algorithms. except the compression algorithms themselves the publication additionally covers pre and submit processing services that are usually overlooked in compression books, but they're crucial elements of modern cutting-edge compression structures. moreover, the publication covers quite a lot of vital compression themes, corresponding to statistical multiplexing, bit cost altering, splicing and compression concatenation. It does that not only via an intensive description of the techniques concerned but additionally via posing direct useful questions and delivering instance solutions, touching on the proper chapters. It spans the complete variety from low bit price compression for cellular functions to top quality HDTV contribution and distribution structures emphasising the variations in configurations for such different purposes.
the most a part of the publication is deliberately written with out mathematical equations to make it extra readable and available to a much wider viewers. as an alternative, complex approaches, similar to movement estimation within the frequency area, are defined utilizing figures and diagrams with actual descriptions of the algorithms. notwithstanding, mathematically minded engineers can nonetheless locate proper mathematical causes within the appendix.
CONTENTS
advent* electronic Video* photo caliber overview* Compression ideas* MPEG criteria* Non-MPEG Compression Algorithms* movement Estimation* Pre-processing* HDTV* Compression for cellular units* MPEG Decoders & Post-Procession* Statistical Multiplexing* Compression for Contribution and Distribution* Concatenation and Transcoding* Bitstream Processing* Concluding Remarks8 Appendices* Bibliography* word list* solutions*
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Extra resources for Video Compression Systems: From first principles to concatenated codecs (Iet Telecommuncations)
Sample text
1 shows the frequency response of the human ear. 1 Frequency response of the human ear after the researchers who first measured the sensitivity of the human ear in 1933. The curves indicate levels of equal perceived loudness at different frequencies. The figure illustrates the two extremes: the quietest sounds perceivable, that is the threshold of hearing, and the loudest sounds bearable, that is the threshold of pain. 1 that the quietest sound perceivable is at around 3 kHz, the region that is most important for understanding human speech.
There are three basic versions of composite signals: phase alternating line (PAL), National Television Systems Committee (NTSC) and Se´quentiel Couleur Avec Me´moire (SECAM). 97 frames/s, but there are some exceptions. 43361875 MHz, respectively, are carefully chosen to minimise cross interference between the luma and chroma signals. The fact that both NTSC and PAL signals consist of an odd number of lines per frame is no coincidence. Even the first analogue HDTV format consisted of an odd number of lines per frame (1 125 lines) [3].
Yao, M. Etoh, ‘Visual Distortion Assessment with Emphasis on Spatial Transitional Regions’, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 14, Issue 4, April 2004. pp. 559–66. 8. Z. C. R. P. Simoncelli, ‘Image Quality Assessment: From Error Visibility to Structural Similarity’, IEEE Transactions on Image Processing, Vol. 13, Issue 4, April 2004. pp. 600–12. 9. T. Hamada, S. Miyaji, S. Matsumoto, ‘Picture Quality Assessment System by Three-Layered Bottom-Up Noise Weighting Considering Human Visual Perception’, Proceedings of SMPTE, 1997.
Video Compression Systems: From first principles to concatenated codecs (Iet Telecommuncations) by A. Bock
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