Picture region extraction method and device

Details Picture region extraction method and device Picture region extraction method and device

2006-11-14

2006-11-14

Couso, Yon J. (Department: 2624)

Image analysis

Image transformation or preprocessing

Selecting a portion of an image

C382S170000, C382S228000

Reexamination Certificate

active

07136540

ABSTRACT:
The picture region extraction method coarse-grains this picture data space, calculates a coarse-grained empirical probability distribution, initializes parameters, calculates a coarse-grained conditional probability distribution and a class membership probability, updates the parameters, and calculates an evaluation function, each process being repeated until there is no change in the evaluation function, at which point, a picture region is extracted based on the class membership probability.

REFERENCES:
patent: 6415048 (2002-07-01), Schneider
patent: 2003/0061185 (2003-03-01), Lee et al.
patent: 2004/0125877 (2004-07-01), Chang et al.
patent: 2001-92980 (2001-06-01), None
Nobuteru Takao et al., “A Use of Mean Field Decomposition in MRF-Based Unsupervised Textured Image Segmentation”, Electronic Information Communication Report, Japan, Corporate Electronic Information Communication Association, Sep. 25, 1998, vol. 98, No. 306, pp. 7-12.

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