Image coding with optimal reconstruction

The optimal reconstruction is an advanced decoding technique for the transform-quantization image coding schemes such as JPEG. From the same encoded data, the image decoded by the optimal reconstruction has better quality than the conventional one. In particular, the optimal reconstruction does not...

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Bibliographic Details
Main Author: Sifen Zhong
Format: Conference Proceeding
Language:English
Subjects:
Constraint optimization
Data compression
Decoding
Frequency
Image coding
Image reconstruction
Quantization
Statistics
Transform coding
Wavelet transforms
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Summary:The optimal reconstruction is an advanced decoding technique for the transform-quantization image coding schemes such as JPEG. From the same encoded data, the image decoded by the optimal reconstruction has better quality than the conventional one. In particular, the optimal reconstruction does not suffer from the Gibbs artifact. The optimal reconstruction is formulated as a constrained optimization problem and solved by an evolution-projection algorithm.
DOI:10.1109/ICIP.1997.647412