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- W2121482916 abstract "We propose a novel method based on wavelet thresholding for enhancement of decompressed transform coded images. Transform coding at low bit rates typically introduces artifacts associated with the basis functions of the transform. In particular, the method works remarkably well in deblocking of DCT compressed images. The method is nonlinear, computationally efficient, and spatially adaptive and has the distinct feature that it removes artifacts yet retain sharp features in the images. An important implication of this result is that images coded using the JPEG standard can efficiently be postprocessed to give significantly improved visual quality in the images. The algorithm can use a conventional JPEG encoder and decoder for which VLSI chips are available. >" @default.
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- W2121482916 title "Wavelet-based post-processing of low bit rate transform coded images" @default.
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- W2121482916 doi "https://doi.org/10.1109/icip.1994.413488" @default.
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