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A smoothness constraint set based on local statistics of BDCT coefficients for image postprocessing.
Xiangchao Gan
Alan Wee-Chung Liew
Hong Yan
Published in:
Image Vis. Comput. (2005)
Keyphrases
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post processing
preprocessing
smoothness constraint
coded images
quantization constraint set
projections onto convex sets
blocking artifacts
reconstructed image
compressed images
dct domain
optical flow
input image
grey level
discrete cosine transform
quality assessment
denoising
image data