Optimal Pre- and Post-Processing for JPEG2000 Tiling Artifact Removal

  title={Optimal Pre- and Post-Processing for JPEG2000 Tiling Artifact Removal},
  author={Jie Liang and Chengjie Tu and T. D. Tran},
This paper presents a pre-/post-filtering approach for JPEG 2000 tiling artifact removal, in which a pre-filter is applied at tile boundaries before wavelet compression, and a post-filter is invoked at the same locations after wavelet reconstruction. We first derive the optimal bit allocation and the corresponding boundary distortion for a given pre-/postfilter pair. The optimal pre-/post-filters are then obtained by minimizing the reconstruction error of the boundary filter bank. A low… CONTINUE READING
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