Optimally adaptive transform coding

@article{Dony1995OptimallyAT,
  title={Optimally adaptive transform coding},
  author={Robert D. Dony and Simon Haykin},
  journal={IEEE transactions on image processing : a publication of the IEEE Signal Processing Society},
  year={1995},
  volume={4 10},
  pages={
          1358-70
        }
}
The optimal linear block transform for coding images is well known to be the Karhunen-Loeve transformation (KLT). However, the assumption of stationarity in the optimality condition is far from valid for images. Images are composed of regions whose local statistics may vary widely across an image. While the use of adaptation can result in improved performance, there has been little investigation into the optimality of the criterion upon which the adaptation is based. In this paper we propose a… CONTINUE READING
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