Image Super-Resolution Reconstruction Method Based on Self-Attention Deep Network

Zihan Chen; Haobo Wu; Haodong Pei; Rong Chen; Jiaxin Hu; Hengtong Shi

doi:10.3788/LOP202158.0410013

Laser & Optoelectronics Progress, Volume. 58, Issue 4, 0410013(2021)

Image Super-Resolution Reconstruction Method Based on Self-Attention Deep Network

Zihan Chen¹, Haobo Wu^2、*, Haodong Pei^3、*, Rong Chen¹, Jiaxin Hu¹, and Hengtong Shi¹

Author Affiliations

¹Futian Power Supply Bureau, Shenzhen Power Supply Bureau Co., Ltd., Shenzhen 518001, China

²School of Electronic Engineering, Xidian University, Xi'an, Shaanxi 710071, China

³Key Laboratory of Intelligent Infrared Perception, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China

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Figures & Tables(7)

Fig. 1. Overall structure of SADeepNet

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Fig. 2. Structure of self-attention layer

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Fig. 3. Plane images reconstructed by different methods. (a) Low-resolution input image with enlarged display; (b) Bicubic; (c) SRCNN; (d) FSRCNN; (e) SADeepNet; (f) high-resolution original image

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Fig. 4. Chair images reconstructed by different methods. (a) Low-resolution input image with enlarged display; (b) Bicubic; (c) SRCNN; (d) FSRCNN; (e) SADeepNet; (f) high-resolution original image

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Fig. 5. Butterfly images reconstructed by different methods. (a) Low-resolution input image with enlarged display; (b) Bicubic; (c) SRCNN; (d) FSRCNN; (e) SADeepNet; (f) high-resolution original image

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Table 1. PSNR comparison of different methods unit: dB

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Table 1. PSNR comparison of different methods unit: dB

Dataset	Bicubic	SRCNN	FSRCNN	SADeepNet
Plane(×2)	19.99	21.16	21.37	22.10
Plane(×3)	18.39	19.21	20.08	21.22
Chair(×2)	18.40	18.55	18.96	19.67
Chair(×3)	17.32	17.92	18.04	18.46
Butterfly(×2)	16.38	16.81	17.13	17.91
Butterfly(×3)	16.23	16.72	17.07	17.75

Table 2. SSIM comparison of different methods
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Table 2. SSIM comparison of different methods
Dataset Bicubic SRCNN FSRCNN SADeepNet
Plane(×2) 0.66 0.70 0.71 0.73
Plane(×3) 0.62 0.64 0.66 0.69
Chair(×2) 0.55 0.57 0.59 0.63
Chair(×3) 0.52 0.52 0.55 0.58
Butterfly(×2) 0.56 0.57 0.59 0.64
Butterfly(×3) 0.53 0.55 0.58 0.60

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Zihan Chen, Haobo Wu, Haodong Pei, Rong Chen, Jiaxin Hu, Hengtong Shi. Image Super-Resolution Reconstruction Method Based on Self-Attention Deep Network[J]. Laser & Optoelectronics Progress, 2021, 58(4): 0410013

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