Method and system for adding effects to gray scale images

Details Method and system for adding effects to gray scale images Method and system for adding effects to gray scale images

1994-12-23

1998-05-05

Johns, Andrew W.

Image analysis

Image enhancement or restoration

Object boundary expansion or contraction

382257, 382259, 382266, 395110, 358464, G06K 944, G06K 940, H04N 138, G06F 1500

Patent

active

057487987

ABSTRACT:
The present invention enables application of the bold process to thicken the data or the outline process to hollow the inside of the data to leave the contour thereof to the gray scale data representing the gray scale font data or image data. Using the gray scale modified data as a result of modification process can make sentences visually appealing. The gray scale modified data comprises an area judging means, a background color area processing means, and a non-background color area processing means. The area judging means judges whether each pixel on the gray scale data to be processed has the background color level. The background color area processing means sets a value calculated by the values of the neighboring pixels of each pixel on the background color area to the value of the mapping pixel on the modified data. The non-background color area processing means sets a value calculated by a certain process for each pixel on the non-background color area to the value of the mapping pixel on the modified data.

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patent: 5509085 (1996-04-01), Kakutani
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