An Object-based Video Coding Using Motion Pattern Recognition

doi:10.13190/jbupt.200704.74.lihs

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2007, Vol. 30 ›› Issue (4): 74-77.doi: 10.13190/jbupt.200704.74.lihs

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An Object-based Video Coding Using Motion Pattern Recognition

LI Hong－song,XU Bao－hua

(College of Information Science and Technology, Beijing Normal University, Beijing 100875, China)

Received:2006-09-05 Revised:2007-03-28 Online:2007-08-30 Published:2007-08-30
Contact: LI Hong－song

Abstract

Abstract:

To improve the performance of block matching algorithm in motion estimation and motion complement (ME+MC)，a motion pattern recognition (MPR) algorithm based on selforganizing feature maps (SOM) is proposed and tested in object－based conference video coding. A frequency sensitive self－organizing feature maps (FSSOM) algorithm is proposed to improve the SOM algorithm’s performance. Experimental results show that FSSOM－MPR algorithm has better coding performances than ME+MC algorithm. When the compression ratio is 180∶1, the peak signal to noise ratio（PSNR） improvement of reconstructed video images is about 3.3 dB.

Key words: motion estimation and motion complement, motion pattern recognition, self-organizing feature maps, object-based video coding

CLC Number:

LI Hong－song,XU Bao－hua. An Object-based Video Coding Using Motion Pattern Recognition[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2007, 30(4): 74-77.

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An Object-based Video Coding Using Motion Pattern Recognition

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