Systems and methods are disclosed for denoising for a finite input, general output channel. In one aspect, a system is provided for processing a noisy signal formed by a noise-introducing channel in response to an error correction coded input signal, the noisy signal having symbols of a general alphabet....http://www.google.com.tw/patents/US7434146?utm_source=gb-gplus-share專利 US7434146 - Denoising and error correction for finite input, general output channel
