Resolution enhancement system for combined binary and gray scale

Details Resolution enhancement system for combined binary and gray scale Resolution enhancement system for combined binary and gray scale

1992-11-30

1995-09-12

Herndon, Heather R.

Image analysis

Histogram processing

For setting a threshold

382269, 358456, 358455, 358448, G06T 500

Patent

active

054505313

ABSTRACT:
A system for performing edge enhancement of mixed low resolution image files employs a binarization and sorting unit to sort data that is indicative of binary data from the mixed low resolution image input file. The sorted binary data is then supplied to a binary data edge enhancement processor for edge enhancement processing. The output from the binary data edge enhancement processor unit is supplied to a data merger unit along with the original image data. The data merger unit determines whether the original image data was part of a gray-scale image. If the data merger determines the original data is part of a gray-scale image, the original data is supplied as the output of the processing system. If the data merger determines that the original data is binary image data, the output from the binary edge enhancement processor unit is supplied as the output of the processing system.

REFERENCES:
patent: 4751585 (1988-06-01), Shibazaki
patent: 4780711 (1988-10-01), Doumas
patent: 5005139 (1991-04-01), Tung
patent: 5029108 (1991-07-01), Lung
IBM Technical Disclos. Bulletin vol. 28, No. 12, May 1986 pp. 5634-5637 `Fast One Pixel Edge Detector` (See Whole Document).
MacUser, "Image Makers", Henry Bortman, Nov. 1991, pp. 98, 102, 103.

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