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Author:

Yin, Wenbin (Yin, Wenbin.) | Shi, Yunhui (Shi, Yunhui.) (Scholars:施云惠) | Zuo, Wangmeng (Zuo, Wangmeng.) | Fan, Xiaopeng (Fan, Xiaopeng.)

Indexed by:

EI Scopus SCIE

Abstract:

Deep learning has achieved a preliminary success in image compression due to the ability to learn the nonlinear spaces with compact features that training samples belong to. Unfortunately, it is not straightforward for the network based image compression methods to code multiple highly related images. In this paper, we propose a co-prediction based image compression (CPIC) which uses the multi-stream autoencoders to collaboratively code the multiple highly correlated images by enforcing the co-reference constraint on the multi-stream features. Patch samples fed into the multi-stream autoencoder, are generated through corresponding patch matching under permutation, which helps the autoencoder to learn the relationship among corresponding patches from the correlated images. Each stream network consists of encoder, decoder, importance map network and binarizer. In order to guide the allocation of local bit rate of the binary features, the important map network is employed to guarantee the compactness of learned features. A proxy function is used to make the binary operation for the code layer of the autoencoder differentiable. Finally, the network optimization is formulated as a rate distortion optimization. Experimental results prove that the proposed compression method outperforms JPEG2000 up to 1.5 dB in terms of PSNR.

Keyword:

Convolutional codes Autoencoder rate distortion optimization Optimization Transform coding correlated images Image reconstruction Decoding Image coding Transforms image compression multi-stream networks

Author Community:

  • [ 1 ] [Yin, Wenbin]Harbin Inst Technol, Dept Comp Sci & Technol, Harbin 150001, Peoples R China
  • [ 2 ] [Zuo, Wangmeng]Harbin Inst Technol, Dept Comp Sci & Technol, Harbin 150001, Peoples R China
  • [ 3 ] [Fan, Xiaopeng]Harbin Inst Technol, Dept Comp Sci & Technol, Harbin 150001, Peoples R China
  • [ 4 ] [Shi, Yunhui]Beijing Univ Technol, BJUT Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 5 ] [Fan, Xiaopeng]Peng Cheng Lab, Shenzhen 518066, Peoples R China

Reprint Author's Address:

  • [Fan, Xiaopeng]Harbin Inst Technol, Dept Comp Sci & Technol, Harbin 150001, Peoples R China

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Source :

IEEE TRANSACTIONS ON MULTIMEDIA

ISSN: 1520-9210

Year: 2020

Issue: 8

Volume: 22

Page: 1917-1928

7 . 3 0 0

JCR@2022

ESI Discipline: COMPUTER SCIENCE;

ESI HC Threshold:132

Cited Count:

WoS CC Cited Count: 5

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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