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An Adaptive Correction Algorithm for Non-Uniform Illumination Panoramic Images Based on the Improved Bilateral Gamma Function
Wang, Dianwei1; Yan, Weichao1; Zhu, Tingge1; Xie, Yongjun2; Song, Haijun2; Hu, Xinrong2; Wang, DW (reprint author), Xian Univ Posts & Telecommun, Ctr Image & Informat Proc, Xian, Shaanxi, Peoples R China.
2017
Conference NameInternational Conference on Digital Image Computing - Techniques and Applications (DICTA)
Source Publication2017 INTERNATIONAL CONFERENCE ON DIGITAL IMAGE COMPUTING - TECHNIQUES AND APPLICATIONS (DICTA)
Pages878-883
Conference Date2017-11-29
Conference PlaceSydney, AUSTRALIA
Publication PlaceNEW YORK
PublisherIEEE
Contribution Rank2
Abstract

In this work we discuss an efficient strategy for reducing the negative impact of non-uniform illumination to panoramic image quality by proposing an adaptive correction algorithm based on the improved Bilateral Gamma function. Firstly the illumination component is extracted by a fast image guided filter. Then an improved bilateral Gamma function fed by the distribution characteristics of illumination is modelled. Finally the non-uniform illumination panoramic image is adjusted adaptively by the devised algorithm, which can increase the intensity value at low illumination regions, and vice versa in the high illumination regions in a panoramic image. Experimental results show that the proposed algorithm can reduce the negative impact caused by the non-uniformity of illumination conditions and enhance the visual quality across different imaging scenarios.

Department空间光子信息新技术研究室
Indexed ByEI ; ISTP
ISBN978-1-5386-2839-3
Language英语
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30058
Collection空间光子信息新技术研究室
Corresponding AuthorWang, DW (reprint author), Xian Univ Posts & Telecommun, Ctr Image & Informat Proc, Xian, Shaanxi, Peoples R China.
Affiliation1.Xian Univ Posts & Telecommun, Ctr Image & Informat Proc, Xian, Shaanxi, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Space Photon Informat New Technol Lab, Xian, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Wang, Dianwei,Yan, Weichao,Zhu, Tingge,et al. An Adaptive Correction Algorithm for Non-Uniform Illumination Panoramic Images Based on the Improved Bilateral Gamma Function[C]. NEW YORK:IEEE,2017:878-883.
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