Bit rate optimization for multi-point video conferecing using embedded zerotree coding

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Communications Faculty of Sciences University Ankara Series A2-A3 Physical and Engineering
Volume:50 Issue:01
Bit rate optimization for multi-point video conferecing using embedded zerotree coding

Bit rate optimization for multi-point video conferecing using embedded zerotree coding

Authors : Hakkı Alparslan ILGIN

Pages : 0-0

Doi:10.1501/commua1-2_0000000027

View : 18 | Download : 14

Publication Date : 2006-01-01

Article Type : Research Paper

Abstract :Bit rate optimization of composited video frarnes for multi-point video conferencing is implemented. Rate control problems can be generally characterized as the determination of the appropriate coding parameters by pre-coding and decoding processes so that the decoded video quality is optimized according to a certain bit rate. By using zerotree coding we obtain exact target bit rate. fit order to obtain best quality for a video, target bit rate is allocated to each video frame optimally by using convex rate-distortion model and Lagrangian optimization.
Keywords : multi point, optimization, conferecing

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