Graphics Visualization

Download Advanced video communications over wireless networks by Ce Zhu, Yuenan Li PDF

By Ce Zhu, Yuenan Li

Wireless video communications surround a extensive variety of concerns and possibilities that function the catalyst for technical strategies. To disseminate the newest advances during this difficult but fascinating box, Advanced Video Communications over instant Networks offers an in-depth examine the basics, contemporary technical achievements, demanding situations, and rising traits in cellular and instant video communications.

The editors have conscientiously chosen a panel of researchers with services in varied facets of instant video communique to hide a large spectrum of issues, together with the underlying theoretical basics linked to instant video communications, the transmission schemes adapted to cellular and instant networks, caliber metrics, the architectures of functional structures, in addition to a few novel instructions. They deal with destiny instructions, together with Quality-of-Experience in instant video communications, video communications over destiny networks, and 3D video communications.

The e-book offers a suite of tutorials, surveys, and unique contributions, supplying an up to date, available reference for extra improvement of analysis and purposes in cellular and instant video communique structures. the diversity of insurance and intensity of workmanship make this publication the go-to source for dealing with present and destiny demanding situations during this field.

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The main problem of this approach is that it does not guarantee that all MBs in the scene are refreshed. 7 for the Foreman sequence, where the right image represents the relative amount of MB intra refresh along the sequence (lighter blocks mean more intra refresh). 7). 9, it is first important to see how the optimal αRD parameter varies with PLR. 1). (From Nunes, P. 264/AVC video coding, Proceedings of the IEEE International Conference on Image Processing, Cairo, Egypt, p. 3074, November 2009.

The first problem is that coding frames in a different order than the display order introduces delay. , videoconferencing). A second problem is that it requires inserting key frames, which have relatively poor compression performance. 6 Example of side information generated using block-based techniques. 2 Frame-Level Extrapolation Strategies In an extrapolation strategy, side information is generated using reference frames from the past only. As a result, the (de)coding order and display order can remain the same, solving the problem of increased delay as in the case of interpolation.

264/AVC video coding, Proceedings of the SPIE Conference on Applications of Digital Image Processing, vol. ) In the method presented here, the intra/inter mode decision is still based on the αRD parameter, but this time αRD may depend on several aspects, such as the content type, the content spatial and temporal resolutions, the coding bit rate, and the PLR of the network. 3, the encoding scenario can be characterized solely by the encoded bit rate with a good approximation. The f NMD function basically maps the encoding scenario and the network PLR into a “good” αRD parameter that dynamically maximizes the average decoding video quality.

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