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Issue No.04 - April (2006 vol.28)
pp: 637-642
ABSTRACT
We present a general construction of functions whose moments serve to locate and parametrize step edges within an image. Previous use of moments to locate edges was limited to functions supported on a circular region, but our method allows the use of "custom-designed” functions supported on circles, rectangles, or any desired shape, and with graphs whose shape may be chosen with great freedom. We present analyses of the sensitivity of our method to pixelization errors or discrepancy between the image and an idealized edge model. The parametric edge description yielded by our method makes it especially suitable as a component of wedgelet image coding.
INDEX TERMS
Edge detection, moments, step edge, Radon transform, wedgelets.
CITATION
Irina Popovici, William Douglas Withers, "Custom-Built Moments for Edge Location", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.28, no. 4, pp. 637-642, April 2006, doi:10.1109/TPAMI.2006.75
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