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Conference Paper Fast Selective-Intra Mode Search Algorithm Based on Macro-Block Tracking for Inter-frames in the H.264/AVC Video Standard
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Authors
Byung-Gyu Kim, Chang-Sik Cho, Tae-Jeong Kim
Issue Date
2008-05
Citation
International Symposium on Circuits and Systems (ISCAS) 2008, pp.3502-3505
Publisher
IEEE
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/ISCAS.2008.4542214
Abstract
A fast intra mode determination algorithm based on the macroblock (MB) tracking scheme and rate-distortion (RD) cost is proposed for inter-frames in the H.264/AVC video standard. In addition to the inter mode search procedure with variable block size, an intra mode search causes a significant increase in the complexity and computational load for an inter frame. To reduce the computational load of the intra mode search at the inter frame, the rate-distortion (RD) cost of the tracked MB for the current MB are used and we propose adaptive thresholding algorithms for skipping the intra mode search. For the IPPP sequence type, the overall encoding time can be reduced up to 52% through comparative analysis of experimental results with JM reference software. ©2008 IEEE.
KSP Keywords
Comparative analysis, H.264/AVC video, Inter mode, Intra mode, Rate-distortion (RD) cost, Search Algorithm(GSA), Thresholding Algorithms, Variable Block Size(VBS), adaptive thresholding, computational load, encoding time