Projection-based spatially adaptive reconstruction of block-transform compressed images

  title={Projection-based spatially adaptive reconstruction of block-transform compressed images},
  author={Yongyi Yang and Nikolas P. Galatsanos and Aggelos K. Katsaggelos},
  journal={IEEE transactions on image processing : a publication of the IEEE Signal Processing Society},
  volume={4 7},
At the present time, block-transform coding is probably the most popular approach for image compression. For this approach, the compressed images are decoded using only the transmitted transform data. We formulate image decoding as an image recovery problem. According to this approach, the decoded image is reconstructed using not only the transmitted data but, in addition, the prior knowledge that images before compression do not display between-block discontinuities. A spatially adaptive image… CONTINUE READING
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