Adaptive quantization parameter cascading for hierarchical video coding

  title={Adaptive quantization parameter cascading for hierarchical video coding},
  author={Xiang Li and Peter Amon and Andreas Hutter and Andr{\'e} Kaup},
  journal={Proceedings of 2010 IEEE International Symposium on Circuits and Systems},
Quantization parameter (QP) cascaded hierarchical prediction structures have been proved as efficient techniques in hybrid video coding. However, the current QP cascading method is empirical and not adaptive. The reason for the higher coding efficiency of this method has not been fully explored so far. In this paper, the rate-distortion performance of QP cascaded hierarchical video coding is first analyzed with dependent rate-distortion function. Then the optimal offset in linear QP cascading… CONTINUE READING


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