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|a 10.1109/TIP.2003.818039
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|a eng
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1 |
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|a Manay, Siddharth
|e verfasserin
|4 aut
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|a Anti-geometric diffusion for adaptive thresholding and fast segmentation
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|c 2003
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|a Text
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|a ƒaComputermedien
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|a Date Completed 14.12.2009
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|a Date Revised 04.02.2008
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a We utilize an anisotropic diffusion model, which we call the anti-geometric heat flow, for adaptive thresholding of bimodal images and for segmentation of more general greyscale images. In a departure from most anisotropic diffusion techniques, we select the local diffusion direction that smears edges in the image rather than seeking to preserve them. In this manner, we are able rapidly to detect and discriminate between entire image regions that lie near, but on opposite sides of, a prominent edge. The detection of such regions occurs during the diffusion process rather than afterward, thereby side-stepping the most notorious problem associated with diffusion methods, namely, when diffusion should stop. We initially outline a procedure for adaptive thresholding, but ultimately show how this model may be used in a region splitting procedure which, when combined with energy based region merging procedures, provides a general framework for image segmentation. We discuss a fast implementation of one such framework and demonstrate its effectiveness in segmenting medical, military, and scene imagery
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|a Journal Article
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|a Yezzi, Anthony
|e verfasserin
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 12(2003), 11 vom: 15., Seite 1310-23
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|x 1057-7149
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|u http://dx.doi.org/10.1109/TIP.2003.818039
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