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Optical Engineering

Local Segmentation of Noisy Images
Author(s): Martin J. Lahart
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Paper Abstract

Images whose properties are spatially variant must often be processed locally. Statistical techniques may be required to do this if the image is noisy. These may be difficult to apply when local regions are so small that means, variances, and similar quantities are unstable. We demonstrate how a practical statistical segmentation algorithm may be constructed which operates locally and gives satisfactory global results. The size of the local area over which computations are made has an important effect on the segmentation quality.

Paper Details

Date Published: 1 February 1979
PDF: 3 pages
Opt. Eng. 18(1) doi: 10.1117/12.7972324
Published in: Optical Engineering Volume 18, Issue 1
Show Author Affiliations
Martin J. Lahart, University of California (United States)

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