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A fast and accurate erosion-dilation method suitable for microcomputers

✍ Scribed by Sterling J Crabtree Jr.; Li-Ping Yuan; Robert Ehrlich

Publisher
Elsevier Science
Year
1991
Weight
624 KB
Volume
53
Category
Article
ISSN
1049-9652

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✦ Synopsis

The concept of image erosion is well known in image processing where it is used as both a smoothing technique [ 1, 21 and a shape classifier [3]. We, as others, in investigating image quantifications, use image erosion and dilation as an important element in the analysis (4-Q The purpose of this paper is twofold: (1) to discuss a new improved version of the erosion-dilation method which approximates "round" circles rather than the "diamond" circles or "square" circles which result from the use of the 4connected or &connected erosion-dilation methods, respectivity.

(2) Because of the amount of data in a digital image and the amount of time it takes to execute the erosion-dilation process, the process is generally implemented on large mainframes or minicomputers. We discuss a very fast erosion-dilation method which we have implemented using MS-DOS on a PC using only 640K of memory and an EGA board. BIW Academic press. IIK. 283

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