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Efficient block size selection in H.264 video coding standard

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4 Author(s)
A. Ahmad ; Dept. of Comput. Sci., Lahore Univ. of Manage. Sci., Pakistan ; N. Khan ; S. Masud ; M. A. Maud

Selecting an efficient variable block size mode in H.264 video coding standard for better compression performance is considered. The proposed scheme is based on a 3D recursive search algorithm and takes into account the motion vector cost and previous frame information. The best mode for the current macroblock is obtained by analysing the modes for a maximum of four macroblocks in the current and previous frames. An improvement in the encoding time with negligible impact on subjective and quantitative performance has been achieved.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 1 )