| Paper: | IMDSP-P1.8 | ||
| Session: | Video Coding | ||
| Time: | Tuesday, May 18, 13:00 - 15:00 | ||
| Presentation: | Poster | ||
| Topic: | Image and Multidimensional Signal Processing: Image and Video Coding | ||
| Title: | SELECTION OF VARIABLE BLOCK SIZES IN H.264 | ||
| 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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