Sub-Pixel Edge Detection in Character Digitization

نویسنده

  • Gideon Avrahami
چکیده

We introduce an algorithm for extracting edge points from a high-quality gray-level image of a glyph. The edge is described as a list of points with sub-pixel precision, roughly one pixel apart. When applied to images obtained from a high-resolution scanner, the precision is essentially that of the human eye.

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تاریخ انتشار 1991