Coding mode optimization for MPEG-2 transcoding with spatial resolution reduction

Hao-Song Kong; Anthony Vetro; Huifang Sun

doi:10.1117/12.502878

23 June 2003 Coding mode optimization for MPEG-2 transcoding with spatial resolution reduction

Hao-Song Kong, Anthony Vetro, Huifang Sun

Author Affiliations +

Proceedings Volume 5150, Visual Communications and Image Processing 2003; (2003) https://doi.org/10.1117/12.502878
Event: Visual Communications and Image Processing 2003, 2003, Lugano, Switzerland

Abstract

This paper presents a coding mode decision algorithm for MPEG-2 spatial transcoding. The optimization for coding mode and quantization scale are formulated in an operational rate distortion sense and solved by Lagarange multiplier method. The experimental results show that the proposed transcoder with optimized coding mode and quantizer can achieve better quality and lower bit rate than those obtained using cascaded transcoder or MPEG-2 TM5 encoder.

Citation Download Citation

Hao-Song Kong, Anthony Vetro, and Huifang Sun "Coding mode optimization for MPEG-2 transcoding with spatial resolution reduction", Proc. SPIE 5150, Visual Communications and Image Processing 2003, (23 June 2003); https://doi.org/10.1117/12.502878

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