Single Image Dehazing via Multi-scale Convolutional Neural Networks

  • Wenqi Ren
  • Si Liu
  • Hua Zhang
  • Jinshan Pan
  • Xiaochun Cao
  • Ming-Hsuan Yang
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9906)


The performance of existing image dehazing methods is limited by hand-designed features, such as the dark channel, color disparity and maximum contrast, with complex fusion schemes. In this paper, we propose a multi-scale deep neural network for single-image dehazing by learning the mapping between hazy images and their corresponding transmission maps. The proposed algorithm consists of a coarse-scale net which predicts a holistic transmission map based on the entire image, and a fine-scale net which refines results locally. To train the multi-scale deep network, we synthesize a dataset comprised of hazy images and corresponding transmission maps based on the NYU Depth dataset. Extensive experiments demonstrate that the proposed algorithm performs favorably against the state-of-the-art methods on both synthetic and real-world images in terms of quality and speed.


Image dehazing Defogging Convolutional neural network 



This work is supported by National High-tech R&D Program of China (2014BAK11B03), National Basic Research Program of China (2013CB329305), National Natural Science Foundation of China (No. 61422213), “Strategic Priority Research Program” of the Chinese Academy of Sciences (XDA06010701), and National Program for Support of Top-notch Young Professionals. W. Ren is supported by a scholarship from China Scholarship Council. M.-H. Yang is supported in part by the NSF CAREER grant #1149783, and gifts from Adobe and Nvidia.

Supplementary material

419974_1_En_10_MOESM1_ESM.pdf (30.2 mb)
Supplementary material 1 (pdf 30972 KB)


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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  • Wenqi Ren
    • 1
    • 3
  • Si Liu
    • 2
  • Hua Zhang
    • 2
  • Jinshan Pan
    • 3
  • Xiaochun Cao
    • 1
  • Ming-Hsuan Yang
    • 3
  1. 1.Tianjin UniversityTianjinChina
  2. 2.IIE, CASBeijingChina
  3. 3.University of California, MercedMercedUSA

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