Technical Program

Paper Detail

Session:Video Coding
Time:Tuesday, May 18, 13:00 - 15:00
Presentation: Poster
Topic: Image and Multidimensional Signal Processing: Image and Video Coding
Authors: Amna Ahmad; Lahore University of Management Sciences 
 Nadeem Khan; Lahore University of Management Sciences 
 Shahid Masud; Lahore University of Management Sciences 
 Mohammad Maud; Lahore University of Management Sciences 
Abstract: This paper aims at selecting an efficient variable block size mode in H.264 video coding standard for better compression performance. This standard allows video frames to be partitioned into variable block sizes such that blocks containing high detailed motion are represented using small bock sizes and the rest using large block sizes. New techniques for intelligent selection of the variable block sizes have been developed to reduce the computational complexity without sacrificing the quality of coder. The proposed schemes are based on the motion vector cost and previous frame information. An improvement in the encoding time with negligible impact on the subjective and the quantitative performance has been achieved. A comparison of the proposed techniques for various test sequences is also provided.

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