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Proceedings Paper

An adaptive Gamma method for image under non-uniform illumination
Author(s): Zefeng Wang; Haifeng Zhang; Jiawen Liao; Huinan Guo; Zhi Zhang
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Paper Abstract

Gamma correction is a necessary operation for a digital image before it is sent to display. Uneven illumination images have low resolution and a lot of information is covered. In order to better removal of light effects and reproduce truly plain circumstances, this paper presents a new local adaptive gamma correction method. The experiment shows this method makes the brightness distribution more uniform and proved that the method compared with other methods that have better correction results.

Paper Details

Date Published: 28 February 2017
PDF: 4 pages
Proc. SPIE 10256, Second International Conference on Photonics and Optical Engineering, 102561C (28 February 2017); doi: 10.1117/12.2256659
Show Author Affiliations
Zefeng Wang, Xi’an Institute of Optics and Precision Mechanics (China)
Haifeng Zhang, Xi'an Institute of Optics and Precision Mechanics (China)
Jiawen Liao, Xi'an Institute of Optics and Precision Mechanics (China)
Huinan Guo, Xi'an Institute of Optics and Precision Mechanics (China)
Zhi Zhang, Xi’an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 10256:
Second International Conference on Photonics and Optical Engineering
Chunmin Zhang; Anand Asundi, Editor(s)

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