A denoising process or system uses convex optimization to determine characteristics of a clean signal. In one embodiment, a noisy signal that represents a set of symbols can be scanned to determine an empirical vector with components respectively indicating respective empirical probabilities of symbols...http://www.google.com.tw/patents/US7592936?utm_source=gb-gplus-share專利 US7592936 - Input distribution determination for denoising
