By Haohong Wang, Lisimachos Kondi, Ajay Luthra, Song Ci
A entire presentation of the video verbal exchange innovations and platforms, this publication examines 4G instant platforms that are set to revolutionise ubiquitous multimedia communication.4G instant Video Communications covers the elemental idea and appears at platforms descriptions with a spotlight on electronic video. It addresses the most important themes linked to multimedia verbal exchange on 4G networks, together with complex video coding criteria, errors resilience and mistake concealment concepts, in addition to complicated content-analysis and model ideas for video communications, cross-layer layout and optimization frameworks and techniques. It additionally offers a high-level review of the electronic video compression typical MPEG-4 AVC/H.264 that's anticipated to play a key function in 4G networks. fabric is gifted logically permitting readers to show on to particular sights. the 1st 1/2 the e-book covers primary concept and structures, whereas the second one part strikes onto complex options and purposes. This publication is a well timed mirrored image of the newest advances in video communications for 4G instant platforms.
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Extra resources for 4G wireless video communications
J. Max, Quantizing for minimum distortion, IRE Trans. Information Theory, Vol. 6, pp. 7–12, March 1960. 18. N. Farvardin and J. W. Modestino, Optimum quantizer performance for a class of non-Gaussian memoryless sources, IEEE Trans. Information Theory, IT-30, pp. 485–97, May 1984. 19. H. Gish and J. N. Pierce, Asymptotically efficient quantization, IEEE Trans. Information Theory, Vol. 14, pp. 676– 83, Sept. 1968. 20. C. C. S. Patent, 2,605,361. July 29, 1952. 21. 261, Video codec for audiovisual services at px64kbps, 1993.
5 Content has become the center of the network communications Content-based interactivity is highly connected to UMA but imposes higher expectations and requirements on content understanding supports. In the 4G high-speed communication systems, the mobile TV user may customize the content by manipulating the text, image, audio, video and graphics, and may even access information that is not available in the current system (for example, the player’s information in a motorcycling racing game, or even the dynamic speed of the motorcycle that he/she is currently riding).
In this hybrid scheme, the video sequence is first motion compensated predicted, and the resulted residue is transformed by DCT. The resulted DCT coefficients are then quantized, and the quantized data are entropy coded. More information about the DCT-based video compression can be found in Chapter 3. 26x and the MPEG-x series. 264 have been recognized as the most successful video coding standards. 264. We will now review briefly the major standards, more detailed information can be found in Chapter 5.