Zero-Reference Deep Curve Estimation for Low-Light Image …
Zero-Reference Deep Curve Estimation for Low-Light Image EnhancementChunle Guo1,2 Chongyi Li1,2 Jichang Guo1 Chen Change Loy3Junhui Hou2Sam Kwong2Runmin Cong41BIIT Lab, Tianjin University2City University of Hong Kong3Nanyang Technological University4Beijing Jiaotong paper presents a novel method, Zero-ReferenceDeep Curve Estimation (Zero-DCE), which formulates lightenhancement as a task of Image -specific Curve estimationwith a deep network. Our method trains a lightweight deepnetwork, DCE-Net, to estimate pixel-wise and high-ordercurves for dynamic range adjustment of a given Image . Thecurve Estimation is specially designed, considering pixelvalue range, monotonicity, and differentiability.
Zero-Reference Deep Curve Estimation for Low-Light Image Enhancement Chunle Guo1,2∗ Chongyi Li1,2∗ Jichang Guo1† Chen Change Loy3 Junhui Hou2 Sam Kwong2 Runmin Cong4 1 BIIT Lab, Tianjin University 2 City University of Hong Kong 3 Nanyang Technological University 4 Beijing Jiaotong University {guochunle,lichongyi,jcguo}@tju.edu.cn ccloy@ntu.edu.sg
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