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Even with use of restart intervals, some residual errors remain in the decoded JPEG images after transmission. In order to improve the image quality, robust decoding techniques are useful. First, we propose error detection techniques, then error compensation and concealment techniques for the damaged blocks. Depending on the entropy coding and on the neighbourhood template, improvements between 3...
The robustness to transmission errors of JPEG coded images is investigated and techniques are proposed to reduce their effects. After an analysis of the JPEG transfer format, three main classes of transfer format constituents are distinguished, and a JPEG compatible approach is proposed to stop error propagation in the entropy coded data, with encoder and decoder reset after fixed coding interval...
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