๐”– Bobbio Scriptorium
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Edge detection using median comparisons

โœ Scribed by Alan C. Bovik; David C. Munson Jr.


Publisher
Elsevier Science
Year
1985
Weight
84 KB
Volume
32
Category
Article
ISSN
0734-189X

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## Abstract This article presents a novel color edge detection algorithm based on quaternion convolution. A set of multiscale quaternion masks are presented, and the filtered results are multiplied at adjacent scales using dot product to enhance the edge structures while diluting noise. Experimenta