Context-based denoiser that simultaneously updates...

Details Context-based denoiser that simultaneously updates... Context-based denoiser that simultaneously updates...

2007-09-18

2007-09-18

Nguyen, Linh V. (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from code based on probability

C375S346000

Reexamination Certificate

active

11180066

ABSTRACT:
A discrete, universal denoising method is applied to a noisy signal for which the source alphabet is typically large. The method exploits a priori information regarding expected characteristics of the signal. In particular, using characteristics of a continuous tone image such as continuity and small-scale symmetry allows definition of context classes containing large numbers of image contexts having similar statistical characteristics. Use of the context classes allows extraction of more reliable indications of the characteristic of a clean signal.

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