Direction-adaptive transforms for coding prediction residuals

@article{Cohen2010DirectionadaptiveTF,
  title={Direction-adaptive transforms for coding prediction residuals},
  author={Robert A. Cohen and Sven Klomp and Anthony Vetro and Huifang Sun},
  journal={2010 IEEE International Conference on Image Processing},
  year={2010},
  pages={185-188}
}
In this paper, we present 2-D direction-adaptive transforms for coding prediction residuals of video. These Direction-Adaptive Residual Transforms (DART) are shown to be more effective than the traditional 2-D DCT when coding residual blocks that contain directional features. After presenting the directional transform structures and improvements to their efficiency, we outline how they are used to code both Inter and Intra prediction residuals. For Intra coding, we also demonstrate the relation… CONTINUE READING
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