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Quantitative evaluation of detail-preserving and noise-removal abilities of morphological filters

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3 Author(s)
Li, W. ; Lab. d''Autom., Inst. Nat. des Sci. Appliques, Rennes, France ; Haese-Coat, V. ; Ronsin, J.

In this paper, a quantitative evaluation methodology for morphological filters is presented. The goal of this evaluation scheme is to measure simultaneously the ability of morphological filters in edge sharpness preservation and noise suppression. A general morphological gradient criterion is proposed to divide an image into a series of regions according to its local spatial activity levels. The local mean-square-error (MSE) and local mean-absolute-error (MAE) are used to verify and compare performances of different tested filters. Several efficient and simple structured detail-preserving and noise-removal morphological filters are proposed and tested on simulated images by this scheme to prove its efficiency. For real image processing procedures, a combined filter structure is proposed to improve filter results

Published in:

Image Processing, 1995. Proceedings., International Conference on  (Volume:1 )

Date of Conference:

23-26 Oct 1995

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