Memory efficient method and apparatus to enable tagging of thin

Details Memory efficient method and apparatus to enable tagging of thin Memory efficient method and apparatus to enable tagging of thin

1998-03-23

2000-10-24

Lee, Thomas D.

Image analysis

Image enhancement or restoration

Edge or contour enhancement

382266, G06K 940

Patent

active

061379182

ABSTRACT:
The present invention is a method for efficiently processing an image to detect antialiased pixels using reduced buffering memory. The method stores, in a scanline buffer memory, a predefined number of scanlines of data including data for a target pixel position and, in a tag buffer memory, a plurality of binary antialiasing tags, including at least a previously estimated tag for the target pixel position. Then using the stored pixel data and previously estimated tag, an antialiasing tag for the target pixel position is generated.

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"A Comparison of Antialiasing Techniques," IEE CG&A, vol. 1, No. 1, Jan. 1981, pp. 40-48, F. Crow.

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