Soft decision quantization for H.264 with main profile compatibility
IEEE Transactions on Circuits and Systems for Video Technology
Highly parallel rate-distortion optimized intra-mode decision on multicore graphics processors
IEEE Transactions on Circuits and Systems for Video Technology
Optimizing motion compensated prediction for error resilient video coding
IEEE Transactions on Image Processing
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We describe a trellis-based algorithm which enables R-D optimum quantization decisions in the H.263+ video coding standard. The algorithm allows the quantization decisions for all coefficients in a block to be made jointly, and experiments conducted using H.263+ for video coding rates of 40-50 kbps show an average improvement of 3.5% in bitrate relative to implementations which follow the International Telecommunications Union (ITU) Test Model specifications in making quantization decisions