Electronic trapping system for digitized text and images

Details Electronic trapping system for digitized text and images Electronic trapping system for digitized text and images

1994-12-23

1996-12-03

Rogers, Scott A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358501, 358515, 358540, 382257, 382264, 382265, H04N 158, G06T 530

Patent

active

055816673

ABSTRACT:
A system for digitally trapping color images on a pixel-by-pixel is employed, whereby for each cyan, yellow, magenta and black color separation, an object-oriented trapping process is carried out. After each object is categorized, the original image is separated into a first copy and a second copy. Edge blurring is performed on the edges of the first copy of the original image; masking of a border region is completed on the second copy of the original image according to a laplacian filter, a difference recursive filter or other method. A merged image is created by combining the blurred edge first copy of the image with the mask bordered second copy of the original image; the mask is thereafter removed from the merged image.

REFERENCES:
patent: 5295236 (1994-03-01), Bjorge et al.
patent: 5313570 (1994-05-01), Dermer et al.
Seybold, Report on Desktop Publishing, vol. 8, No. 6 ISSN: 0889-9762; Feb. 1, 1994.

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