UNSPECIFIED (1994) CURVE EXTRACTION IN IMAGES USING A MULTIRESOLUTION FRAMEWORK. CVGIP-IMAGE UNDERSTANDING, 59 (3). pp. 359-366. ISSN 1049-9660

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Abstract

A multiresolution approach to curve extraction in images is described. Based on a piecewise linear representation of curves, the scheme combines an efficient method of extracting line segments with a grouping process to identify curve traces. The line segments correspond to linear features defined at appropriate spatial resolutions within a quadtree structure and are extracted using a hierarchical decision process based on frequency domain properties. Implementation is achieved through the use of the multiresolution Fourier transform, a linear transform providing spatially localized estimates of the frequency spectrum over multiple scales. The scheme is simple to implement and computationally inexpensive, and results of experiments performed on natural images demonstrate that its performance compares favorably with that of existing methods. (C) 1994 Academic Press, Inc.

Item Type:	Journal Item
Subjects:	Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software
Journal or Publication Title:	CVGIP-IMAGE UNDERSTANDING
Publisher:	ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS
ISSN:	1049-9660
Date:	May 1994
Volume:	59
Number:	3
Number of Pages:	8
Page Range:	pp. 359-366
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/20676

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