Cited by 40Advanced Neural Network ApplicationsImage Enhancement TechniquesColor Science and Applications

Fully Point-wise Convolutional Neural Network for Modeling Statistical Regularities in Natural Images

Open access
Zhang, Jing, Cao, Yang, Wang, Yang, Wen, Chenglin, Chen, Chang Wen·2018·Proceedings of the 26th ACM international conference on Multimedia

Abstract

Modeling statistical regularity plays an essential role in ill-posed image processing problems. Recently, deep learning based methods have been presented to implicitly learn statistical representation of pixel distributions in natural images and leverage it as a constraint to facilitate subsequent tasks, such as color constancy and image dehazing. However, the existing CNN architecture is prone to variability and diversity of pixel intensity within and between local regions, which may result in inaccurate statistical representation. To address this problem, this paper presents a novel fully point-wise CNN architecture for modeling statistical regularities in natural images. Specifically, we propose to randomly shuffle the pixels in the origin images and leverage the shuffled image as input to make CNN more concerned with the statistical properties. Moreover, since the pixels in the shuffled image are independent identically distributed, we can replace all the large convolution kernels in CNN with point-wise (1*1) convolution kernels while maintaining the representation ability. Experimental results on two applications: color constancy and image dehazing, demonstrate the superiority of our proposed network over the existing architectures, i.e., using 1/10~1/100 network parameters and computational cost while achieving comparable performance.

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Crossref · 10.1145/3240508.3240653

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Authors
Zhang, J., Cao, Y., Wang, Y., Wen, C., & Chen, C. W.
Affiliations
  • Hangzhou Dianzi University (CN)
  • University of Science and Technology of China (CN)
  • University at Buffalo, State University of New York (US)
Venue
Proceedings of the 26th ACM international conference on Multimedia
Publisher
ACM
Published
2018-10-15
Pages
984-992
OpenAlex
W2962816068
Cited by
40
References
44
Citations by year
2025: 1 · 2024: 3 · 2023: 6 · 2022: 4 · 2021: 9 · 2020: 8 · 2019: 8 · 2018: 1
FWCI
1.93
Type
conference paper
Language
en
Open access
Locations
  • ACM International Conference on Multimedia (ACM MM) (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Funders
National Natural Science Foundation of China (61751304, 61806062, 61873077, 61472380)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Image Enhancement Techniques
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Color Science and Applications
Keywords
1x1 convolution, pixel shuffling, natural image statistics, color constancy, image dehazing, image priors

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