Constant variance filter

Details Constant variance filter Constant variance filter

2007-06-29

2011-11-15

Koziol, Stephen (Department: 2624)

Image analysis

Image enhancement or restoration

Image filter

C382S131000, C382S300000

Reexamination Certificate

active

08059907

ABSTRACT:
Systems and methods associated with a constant variance filter are described. One system embodiment includes a memory to store a spatially dependent filtered data set having a first degree of homogeneity. The system embodiment may also include a filter logic to produce a data set having a second degree of homogeneity by filtering the spatially dependent filtered data set. The second degree of homogeneity may be greater than the first degree of homogeneity and may indicate spatial independence.

REFERENCES:
patent: 6008648 (1999-12-01), Linz et al.
patent: 6073042 (2000-06-01), Simonetti
patent: 7187794 (2007-03-01), Liang et al.
patent: 7672498 (2010-03-01), Jellus
patent: 2005/0041842 (2005-02-01), Frakes et al.
patent: 2005/0074158 (2005-04-01), Kaufhold et al.
patent: 2008/0292194 (2008-11-01), Schmidt et al.

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