Stagewise Processing in Error-correcting Codes and Image Restoration

Part of Advances in Neural Information Processing Systems 13 (NIPS 2000)

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K. Y. Michael Wong, Hidetoshi Nishimori


We introduce stagewise processing in error-correcting codes and image restoration, by extracting information from the former stage and using it selectively to improve the performance of the latter one. Both mean-field analysis using the cavity method and sim(cid:173) ulations show that it has the advantage of being robust against uncertainties in hyperparameter estimation.