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An Optimal Selection of Frame Skip and Spatial Quantization for Low Bit Rate Video Coding  

Bu, So-Young (Image Processing Lab, Dept.of Information Communication, Ewah Wonan's University)
Lee, Byung-Uk (Image Processing Lab, Dept.of Information Communication, Ewah Wonan's University)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.6C, 2004 , pp. 842-847 More about this Journal
Abstract
We present a new video coding technique to tradeoff frame rate and picture quality for low bit rate video coding. We show a model equation for selecting the optimal frame rate from the motion content of the source video. We can determine DCT quantization parameter (QP) using the frame rate and bit rate. For objective video quality measurement we propose a simple and effective error measure for skipped frames. The proposed method enhances the video quality up to 2 ㏈ over the H.263 TMN5 encoder.
Keywords
rate control; frame rate; skipped frame; video coding; spatio-temporal optimization;
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