Download 3D Video Coding for Embedded Devices: Energy Efficient by Bruno Zatt, Muhammad Shafique, Sergio Bampi, Jörg Henkel PDF

By Bruno Zatt, Muhammad Shafique, Sergio Bampi, Jörg Henkel (auth.)

This publication indicates readers tips on how to boost energy-efficient algorithms and architectures to let high-definition 3D video coding on resource-constrained embedded units. clients of the Multiview Video Coding (MVC) ordinary face the problem of exploiting its 3D video-specific coding instruments for expanding compression potency on the fee of accelerating computational complexity and, as a result, the strength intake. This booklet permits readers to minimize the multiview video coding power intake via together contemplating the algorithmic and architectural degrees. insurance contains an creation to 3D video clips and an intensive dialogue of the present state of the art of 3D video coding, in addition to energy-efficient algorithms for 3D video coding and energy-efficient structure for 3D video coding.

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12 Order of macroblock borders filtering 16x16 luma block e f a b c d 8x8 chroma block g k h l i j depending on the syntax element being encoded. The coding method is an evolution of variable length coding to better adapt to multiple contexts. 264/AVC standard and implements a novel coding technique able to reduce the bitstream size by about 5–15 % (Wiegand et al. 2003) in comparison to the CAVLC encoder. The tables of probability used in CABAC are updated at bit level and present strong data dependencies.

A group of MBs is called slice. The slice can be formed by one or more MBs that may be contiguous or not. One frame is formed by one or more slices. In turn, each slice is classified in one of three different types (here the SI and SP slices are not considered): Intra (I), predictive (P), and bi-predictive (B) slices. 1 is composed of three slices: one contiguous (Slice 0) and two noncontiguous slices (Slices 1 and 2). 264 standard and is directly applicable to the MVC standard. For a better comprehension on the different slice types it is necessary to understand the two basic prediction modes used by the state-of-the-art video encoders: intra-frame and inter-frame prediction.

The intra-frame prediction only exploits the spatial redundancy by using surrounding pixels to predict the current MB. The inter-­ frame prediction exploits the temporal redundancy (similarity between different frames) by using areas from other frames, called reference frames, in order to better predict the current MB. Intra (I) macroblocks use the intra-frame prediction, while predictive (P) and bi-predictive (B) macroblocks use the inter-frame prediction. While P macroblocks only use past frames as reference (in coding order), the B macroblocks can use reference frames from past, future, or a combination of both.

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