Improved Algorithm of Remote Sensing Images Super-Resolution Based on Nonparametric Bayesian

Li Li; Lichun Sui; Mingtao Ding; Zhenyin Yang; Junmei Kang; Shuo Zhai

doi:10.3788/LOP55.032801

Laser & Optoelectronics Progress, Volume. 55, Issue 3, 032801(2018)

Improved Algorithm of Remote Sensing Images Super-Resolution Based on Nonparametric Bayesian

Li Li^1、*, Lichun Sui^1,2, Mingtao Ding¹, Zhenyin Yang¹, Junmei Kang¹, and Shuo Zhai¹

Author Affiliations

¹ College of Geology Engineering and Geomatics, Chang'an University, Xi'an, Shaanxi 710054, China

² National Administration of Surveying, Mapping and Geoinformation engineering research center of Geographic National Conditions Monitoring. Xi'an, Shaanxi 710054, China

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Figures & Tables(6)

Fig. 1. Non-parametrical deviation of dictionary size with proposed algorithm

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Fig. 2. Effect comparison diagram of WorldView-2-1. (a) Input image; (b) bicubic; (c) nearest; (d) bilinear; (e) ScSR; (f) proposed algorithm

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Fig. 3. Effect comparison diagram of GF-1-2. (a) Input image; (b) bicubic; (c) nearest; (d) bilinear; (e) ScSR; (f) proposed algorithm

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Fig. 4. Comparison diagram of reconstruction effect of ZY3-1 with σ=25. (a) Input image; (b) bicubic; (c) ScSR; (d) proposed algorithm

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Table 1. Test results without noise by VSR_ratio=3dB

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Table 1. Test results without noise by VSR_ratio=3dB

Image	Index	Bicubic	Nearest	Bilinear	ScSR	Proposed
	PSNR	33.41	30.48	32.57	33.91	34.21
WorldView-2-1	SSIM	0.953	0.939	0.941	0.959	0.962
	ERGAS	1.844	2.525	2.037	1.795	1.693
	PSNR	34.53	31.76	33.71	35.12	35.20
WorldView-2-2	SSIM	0.900	0.846	0.887	0.909	0.907
	ERGAS	2.072	2.811	2.277	2.002	1.931
	PSNR	34.689	31.433	33.73	35.231	35.482
WorldView-2-3	SSIM	0.960	0.946	0.948	0.965	0.967
	ERGAS	1.628	2.314	1.817	1.589	1.5
	PSNR	33.447	30.572	32.481	34.08	34.231
GF-1-1	SSIM	0.882	0.882	0.861	0.894	0.898
	ERGAS	1.646	1.646	1.84	1.589	1.512
	PSNR	33.703	30.905	32.64	34.326	34.677
GF-1-2	SSIM	0.943	0.927	0.923	0.951	0.958
	ERGAS	1.912	2.625	2.156	1.843	1.716

Table 2. Test results with noise by VSR_ratio=3dB

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Table 2. Test results with noise by VSR_ratio=3dB

Image	Noise	Index	Bicubic	ScSR	Proposed
ZY3-1	σ=15	PSNR	28.9791	29.2321	29.4467
	σ=15	ERGAS	2.9909	2.8106	2.7639
	σ=25	PSNR	24.4339	24.5937	24.6189
	σ=25	ERGAS	4.8386	4.7651	4.7476
ZY3-2	σ=15	PSNR	29.0164	29.3027	29.4142
	σ=15	ERGAS	3.0138	2.9315	2.8942
	σ=25	PSNR	24.4126	24.5106	24.556
	σ=25	ERGAS	5.0834	5.02	5.0113

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Li Li, Lichun Sui, Mingtao Ding, Zhenyin Yang, Junmei Kang, Shuo Zhai. Improved Algorithm of Remote Sensing Images Super-Resolution Based on Nonparametric Bayesian[J]. Laser & Optoelectronics Progress, 2018, 55(3): 032801

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Paper Information

Category: Remote Sensing and Sensors

Received: Sep. 29, 2017

Accepted: --

Published Online: Sep. 10, 2018

The Author Email: Li Li (15829779607@163.com)

DOI:10.3788/LOP55.032801

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology