Some defects in finite-difference edge finders
Fleck, M.M.
Dept. of Eng. Sci., Oxford Univ.;
This paper appears in: Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publication Date: Mar 1992
Volume: 14,
Issue: 3
On page(s): 337-345
ISSN: 0162-8828
References Cited: 33
CODEN: ITPIDJ
INSPEC Accession Number: 4151465
Digital Object Identifier: 10.1109/34.120328
Current Version Published: 2002-08-06
Abstract
This work illustrates and explains various artifacts in the output
of five finite difference edge finders, those of J.F. Canny (1983,
1986), R.A. Boie et al. (1986) and R.A. Boie and I.J. Cox (1987), and
three variations on that of D. Marr and E.C. Hildreth (1980),
reimplemented with a common output format and method of noise
suppression. These artifacts include gaps in boundaries, spurious
boundaries, and deformation of region shape
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