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Proceedings Paper

Image enhancement using nonlinear filters with spatially adaptive neighborhoods
Author(s): Vitaly Kober; Mikhail G. Mozerov; Josue Alvarez-Borrego; Hugo Hidalgo Silva
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Paper Abstract

A new technique for local contrast enhancement using rank-order filters with spatially adaptive neighborhoods is proposed. The technique is based on the unsharp masking operation. However, instead a linear lowpass filtering we use various rank-order smoothing operations. The smoothing is performed over the pixels of spatially adaptive neighborhoods of details to be enhanced and their surrounding backgrounds. Various rank-order filters for local enhancement of small and middle-size details are implemented. Computer simulation results using a real aerial image are provided and discussed.

Paper Details

Date Published: 7 December 2001
PDF: 10 pages
Proc. SPIE 4472, Applications of Digital Image Processing XXIV, (7 December 2001); doi: 10.1117/12.449781
Show Author Affiliations
Vitaly Kober, CICESE (United States)
Mikhail G. Mozerov, Institute for Information Transmission Problems (Russia)
Josue Alvarez-Borrego, CICESE (United States)
Hugo Hidalgo Silva, CICESE (United States)


Published in SPIE Proceedings Vol. 4472:
Applications of Digital Image Processing XXIV
Andrew G. Tescher, Editor(s)

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