Blob Detection by Relaxation

Authors:
Alan J. Danker;Azriel Rosenfeld
Affiliations:
Computer Vision Laboratory, Computer Science Center, University of Maryland, College Park, MD 20742/ Computervision Corporation, Bedford, MA 01730.;FELLOW, IEEE, Computer Vision Laboratory, Computer Science Center, University of Maryland, College Park, MD 20742.
Venue:
IEEE Transactions on Pattern Analysis and Machine Intelligence
Year:
1981

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Abstract

A blob is a compact region lighter (or darker) than its background surrounded by a smoothly curved edge. Blobs can be detected using cooperating relaxation processes to enhance their interior and edge probabilities. A discussion of the processes working independently and together is given. The use of a pyramidal relaxation structure, the use of the closedness of contours as an additional information source, and the extension of cooperating relaxation processes to a time sequence of images are also discussed.