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The Power of Triply Complementary Priors for Image Compressive Sensing
Zhiyuan Zha1; Xin Yuan2; Joey Tianyi Zhou3; Jiantao Zhou4; Bihan Wen1; Ce Zhu5
Conference NameIEEE International Conference on Image Processing
Source PublicationProceedings - International Conference on Image Processing, ICIP
Conference Date25-28 Oct. 2020
Conference PlaceAbu Dhabi, United Arab Emirates

Recent works that utilized deep models have achieved superior results in various image restoration applications. Such approach is typically supervised which requires a corpus of training images with distribution similar to the images to be recovered. On the other hand, the shallow methods which are usually unsupervised remain promising performance in many inverse problems, e.g., image compressive sensing (CS), as they can effectively leverage non-local self-similarity priors of natural images. However, most of such methods are patch-based leading to the restored images with various ringing artifacts due to naive patch aggregation. Using either approach alone usually limits performance and generalizability in image restoration tasks. In this paper, we propose a joint low-rank and deep (LRD) image model, which contains a pair of triply complementary priors, namely external and internal, deep and shallow, and local and nonlocal priors. We then propose a novel hybrid plug-and-play (H-PnP) framework based on the LRD model for image CS. To make the optimization tractable, a simple yet effective algorithm is proposed to solve the proposed H-PnP based image CS problem. Extensive experimental results demonstrate that the proposed H-PnP algorithm significantly outperforms the state-of-the-art techniques for image CS recovery such as SCSNet and WNNM.

KeywordDeep Prior Hybrid Plug-and-play Image Cs Non-local Self-similarity Triply Complementary Priors
URLView the original
Indexed ByCPCI-S
WOS Research AreaImaging Science & Photographic Technology
WOS SubjectImaging Science & Photographic Technology
Scopus ID2-s2.0-85090832228
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Document TypeConference paper
CollectionFaculty of Science and Technology
Affiliation1.School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore 639798
2.Nokia Bell Labs, 600 Mountain Avenue, Murray Hill, NJ, 07974, USA.
3.Institute of High Performance Computing, A*STAR, Singapore 138632.
4.Department of Computer and Information Science, University of Macau, Macau 999078, China.
5.School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China
Recommended Citation
GB/T 7714
Zhiyuan Zha,Xin Yuan,Joey Tianyi Zhou,et al. The Power of Triply Complementary Priors for Image Compressive Sensing[C],2020:983-987.
APA Zhiyuan Zha,Xin Yuan,Joey Tianyi Zhou,Jiantao Zhou,Bihan Wen,&Ce Zhu.(2020).The Power of Triply Complementary Priors for Image Compressive Sensing.Proceedings - International Conference on Image Processing, ICIP,2020-October,983-987.
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