Complexity-Aware High Efficiency Video Coding by Guilherme Corrêa, Pedro Assunção, Luciano Agostini, Luis A.

By Guilherme Corrêa, Pedro Assunção, Luciano Agostini, Luis A. da Silva Cruz

This booklet discusses computational complexity of excessive potency Video Coding (HEVC) encoders with insurance extending from the research of HEVC compression potency and computational complexity to the relief and scaling of its encoding complexity. After an advent to the subject and a evaluation of the cutting-edge learn within the box, the authors offer an in depth research of the HEVC encoding instruments compression potency and computational complexity. Readers will reap the benefits of a suite of algorithms for scaling the computational complexity of HEVC encoders, all of which make the most from the flexibleness of the body partitioning buildings allowed by way of the traditional. The authors additionally offer a suite of early termination equipment according to facts mining and laptop studying recommendations, that are in a position to decrease the computational complexity required to discover the easiest body partitioning buildings. The applicability of the proposed equipment is ultimately exemplified with an encoding time regulate method that employs the simplest complexity relief and scaling equipment awarded during the ebook. The equipment provided during this e-book are specifically priceless in power-constrained, moveable multimedia units to minimize power intake and to increase battery lifestyles. they could even be utilized to moveable and non-portable multimedia units working in genuine time with restricted computational resources.

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6 High-Efficiency Video Coding 23 2N N = 16 N 2N N Fig. 264/AVC and is essentially extended to allow more prediction modes. 13 shows, HEVC supports a total of 33 angular modes, a DC (flat) mode and a planar (surface fitting) mode [9]. 4 by the input arrows of the intra-frame prediction module. The angular prediction consists of simply copying the neighbouring samples to the predicted block [11]. The DC mode computes an average of the neighbouring reference samples and uses it for all samples within the PB, building a flat surface for the whole block.

Otherwise, only the 2N × 2N splitting mode is available. 6 High-Efficiency Video Coding 23 2N N = 16 N 2N N Fig. 264/AVC and is essentially extended to allow more prediction modes. 13 shows, HEVC supports a total of 33 angular modes, a DC (flat) mode and a planar (surface fitting) mode [9]. 4 by the input arrows of the intra-frame prediction module. The angular prediction consists of simply copying the neighbouring samples to the predicted block [11]. The DC mode computes an average of the neighbouring reference samples and uses it for all samples within the PB, building a flat surface for the whole block.

The only difference is that only unidirectional prediction is allowed. This way, only one reference list (List 0) is maintained in the DPB. Time Fig. 6 High-Efficiency Video Coding GPB 6 GPB GPB 4 7 8 GPB I or IDR 0 5 GPB 2 GPB 3 GPB GPB 1 33 Time Fig. 17 Graphical presentation of the LD configuration B 8 B 4 1 Referenced B picture GPB I or IDR 0 2 B B 3 7 B 6 B 5 B Non-referenced B picture Time Fig. 18. The number associated to each picture represents the encoding order and the picture display order is represented from left to right.

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