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Channel Error Recovery for Transform Image Coding

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2 Author(s)
Mitchell, O.R. ; School of Electr. Eng., Purdue Univ., West Lafayette, IN, USA ; Tabatabai, A.

A method is presented to automatically inspect the block boundaries of a reconstructed two-dimensional transform coded image, to locate blocks which are most likely to contain errors, to approximate the size and type of error in the block, and to eliminate this estimated error from the picture. This method uses redundancy in the source data to provide channel error correction. No additional channel error protection bits or changes to the transmitter are required. It can be used when channel errors are unexpected prior to reception.

Published in:

Communications, IEEE Transactions on  (Volume:29 ,  Issue: 12 )