By A. Bock
ISBN-10: 1849191034
ISBN-13: 9781849191036
This ebook supplies an summary on many sensible features of video compression structures utilized in broadcast television, IPTV, telecommunication and lots of different video purposes. even though the ebook concentrates on MPEG real-time video compression platforms, many facets are both appropriate to off-line and/or non-MPEG video compression purposes. After a short creation to electronic video and video compression ideas, the e-book offers an in depth description of all at the moment used MPEG video compression algorithms. except the compression algorithms themselves the publication additionally covers pre and submit processing capabilities that are usually missed in compression books, but they're crucial components of this day s cutting-edge compression structures. moreover, the publication covers quite a lot of very important compression themes, corresponding to statistical multiplexing, bit cost altering, splicing and compression concatenation. It does that not only by way of a radical description of the tactics concerned but in addition through posing direct sensible questions and delivering instance solutions, concerning the correct chapters. It spans the complete diversity from low bit price compression for cellular functions to top quality HDTV contribution and distribution platforms emphasising the variations in configurations for such assorted purposes. the most a part of the booklet is deliberately written with no mathematical equations to make it extra readable and available to a much wider viewers. in its place, advanced methods, comparable to movement estimation within the frequency area, are defined utilizing figures and diagrams with exact descriptions of the algorithms. even though, mathematically minded engineers can nonetheless locate suitable mathematical reasons within the appendix.
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Additional resources for Video Compression Systems: From First Principles to Concatenated Codecs
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This leaves only 276 horizontal blanking samples. In the vertical direction, the 525-line signal consists of a minimum of 240 active lines per field. If the signal is derived from an NTSC signal, it could have up to 486 active lines per frame but the extra lines are not used in digital compression formats. Note that neither of the two formats has a pixel-to-line ratio of 4:3, which is the display aspect ratio of conventional SDTV screens. The 625-line format would need an extra 48 luma pixels per line to make square pixels.
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. pp. 20–26. 10. L. Lu, Z. C. Bovik, J. Kouloheris, ‘Full-Reference Video Quality Assessment Considering Structural Distortion and No-Reference Quality Evaluation of MPEG Video’, IEEE International Conference on Multimedia and Expo, August 2002.
3 Interlace Interlaced scanning reduces the bandwidth requirement of video signals. It represents a trade-off between vertical and temporal resolution. Slow-moving material retains the full vertical resolution. As the speed of motion increases, the vertical resolution of an interlaced video signal decreases. This presents a good match for cathode ray tube (CRT) cameras and displays because they tend to produce motion blur on fast-moving objects. With state-of-the-art solid-state image sensors, the argument for interlaced scanning is not so obvious because the shutter speed can be fast enough to capture fast motion without a reduction of resolution.
Video Compression Systems: From First Principles to Concatenated Codecs by A. Bock
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