Image analysis – Color image processing – Color correction
Patent
1995-01-17
1999-11-09
Johns, Andrew W.
Image analysis
Color image processing
Color correction
382169, 382274, 358518, 358522, G06K 900, G06K 936, G03F 308
Patent
active
059829265
ABSTRACT:
Improved image enhancement methods are disclosed which may be performed on conventional video processing systems. These methods operate in real time to improve the appearance of images as perceived by the human eye, and/or to render these images more suitable for computer analysis. A first preferred embodiment enhances color images without degrading the fidelity of the image. A second preferred embodiment enhances scanned gray-level document images by decreasing the blurring of the image and increasing the contrast between light and dark regions of the image.
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Kuo Shyh-Shiaw
Ranganath Minakanagurki V.
AT & T IPM Corp.
Davis Monica S.
Johns Andrew W.
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