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Algorithm for finding the center of circular fiducials

โœ Scribed by Israel Amir

Publisher
Elsevier Science
Year
1990
Weight
58 KB
Volume
49
Category
Article
ISSN
0734-189X

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โœฆ Synopsis

This paper presents the methods for preprocessing and vectorking scan digitized images of engineering drawings for transferring the resulting data to commercially available CAD/CAM systems. The preprocessing steps include noise removal, void filling, image segmentation, line thinning, and contour extraction. Algorithms for raster-to-vector conversion capable of recognizing and fitting straight line segments, circles, arcs, and conic sections are presented along with results obtained from images of machine drawings. Algorithm for Finding the Center of Circular Fidwiah.

ISRAEL AMIR.

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Algorithm for finding the center of circular fiducials
โœ Israel Amir ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science โš– 540 KB

A technique to estimate the center of circles under noisy conditions is described. The technique, which is a version of the Hough transform uses bisectors of circle cords instead of edge direction information (used by the Hough transform), in order to reduce the computational effort. The technique i