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Single Image Dehazing Using Invariance Principle
Mingye JU Zhenfei GU Dengyin ZHANG Jian LIU
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2017/12/01
Online ISSN: 1745-1361
Type of Manuscript: LETTER
Category: Image Processing and Video Processing
image dehazing, inhomogeneous atmosphere, atmospheric scattering model, depth map,
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In this letter, we propose a novel technique to increase the visibility of the hazy image. Benefiting from the atmospheric scattering model and the invariance principle for scene structure, we formulate structure constraint equations that derive from two simulated inputs by performing gamma correction on the input image. Relying on the inherent boundary constraint of the scattering function, the expected scene albedo can be well restored via these constraint equations. Extensive experimental results verify the power of the proposed dehazing technique.