On the optimality of symbol-by-symbol filtering and denoising.

Erik Ordentlich Tsachy Weissman On the optimality of symbol-by-symbol filtering and denoising. 19-40 2006 52 IEEE Transactions on Information Theory 1 http://doi.ieeecomputersociety.org/10.1109/TIT.2005.860432 db/journals/tit/tit52.html#OrdentlichW06