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  • 标题:A Study of Two CNN Demosaicking Algorithms
  • 本地全文:下载
  • 作者:Thibaud Ehret ; Gabriele Facciolo
  • 期刊名称:Image Processing On Line
  • 电子版ISSN:2105-1232
  • 出版年度:2019
  • 卷号:9
  • 页码:220-230
  • DOI:10.5201/ipol.2019.274
  • 出版社:Image Processing On Line
  • 摘要:

    Most cameras capture the information of only one color for a given pixel. This results in a mosaicked image that must be interpolated to get three colors at each pixel. The step going from a mosaicked image to a regular RGB image is called demosaicking. This paper studies two recent demosaicking methods based on convolutional neural networks that achieve artifact-free state-of-the-art results: Deep joint demosaicking and denoising by Gharbi et al. and Color image demosaicking via deep residual learning by Tan et al. We show that these methods beat by almost two decibels the best human-crafted methods, while being faster by one order of magnitude. This, arguably, seals the destiny of human-crafted methods on this subject.

  • 关键词:demosaicking; neural network; CNN
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