Image processing based on degree of white-background likeliness

Details Image processing based on degree of white-background likeliness Image processing based on degree of white-background likeliness

2006-01-17

2006-01-17

Ahmed, Samir (Department: 2623)

Image analysis

Pattern recognition

Feature extraction

C382S199000, C382S260000, C382S266000

Reexamination Certificate

active

06987886

ABSTRACT:
An image processing device includes a filtering unit which filters an input image with variable frequency characteristics, an edge detection unit which detects magnitudes of edges appearing in the input image, and a degree-of-white-background-likeliness detection unit which detects degrees of white-background likeliness in respect of local areas of the input image, wherein the filtering unit changes the variable frequency characteristics in response to the magnitudes of edges and to the degrees of white-background likeliness.

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