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The effect of Laplacian filter in adaptive unsharp masking for infrared image enhancement
Date
2011-09-01
Author
İLK, HAKKI GÖKHAN
Jane, Onur
İlk Dağ, Özlem
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Image processing, in particular image enhancement techniques have been the focal point of considerable research activity in the last decade. With the aid of an existing image enhancement technique, adaptive unsharp masking (AUM), we propose a novel kernel to be used in AUM filtering in order to enhance discontinuities which occur on the edges of targets of interest in infrared (IR) images. The proposed method uses an adaptive filter approach where an objective function is minimized by using descent algorithms. The output IR image has better sharpness and contrast adjustment for the detection of targets in terms of objective quality metrics. Hence, the proposed method ensures that the edges of the targets in IR images are sharper and that the quality of contrast adjustment has its optimum level in terms of peak signal-to-noise ratios.
Subject Keywords
Atomic and Molecular Physics, and Optics
,
Electronic, Optical and Magnetic Materials
,
Condensed Matter Physics
URI
https://hdl.handle.net/11511/36574
Journal
INFRARED PHYSICS & TECHNOLOGY
DOI
https://doi.org/10.1016/j.infrared.2011.06.002
Collections
Department of Statistics, Article