Researching | Compressive Sensing Ghost Imaging Based on Neighbor Similarity

Acta Optica Sinica, Volume. 38, Issue 7, 0711001(2018)

Compressive Sensing Ghost Imaging Based on Neighbor Similarity

Yi Chen^1,2、*, Xiang Fan¹, Yubao Cheng¹, Zhengdong Cheng¹, and Zhenyu Liang¹

Author Affiliations

¹ State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Hefei, Anhui 230037, China

² Key Laboratory of Photoelectric Information Control and Safety Technology, Tianjin 300450, China

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Figures & Tables(7)

Fig. 1. Experimental setup of NSGI

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Fig. 2. Flowchart of NSGI algorithm

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Fig. 3. Numerical simulation results of three images under different sampling rates

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Fig. 4. Relationship between (a) PSNR, (b) imaging time and sampling rate

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Fig. 5. Experimental results. (a) Original image; (b) NSGI; (C) CGI-OMP; (d) CGI-IHT; (e) CGI-IRLS; (f) CGI-CoSaMP

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Table 1. Performance statistics of algorithms under different sampling rates

Table 1. Performance statistics of algorithms under different sampling rates

Image	Sampling rate	PSNR /dB	t /s
Image	Sampling rate	NSGI		CGI-OMP	NSGI	CGI-OMP
Lena	0.1	60.62	65.29	0.1793	0.1811
	0.2	62.40	68.81	0.3018	0.4666
	0.3	65.39	69.67	0.5314	1.8505
House	0.1	52.28	55.71	0.1598	0.1319
	0.2	54.04	59.97	0.2950	0.3588
	0.3	57.16	61.02	0.5699	08969
Bridge	0.1	50.10	51.33	0.1936	0.2211
	0.2	53.15	55.26	0.3400	0.4026
	0.3	57.40	57.15	0.6659	2.4670

Table 2. Comparison of running performance of different algorithms
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Table 2. Comparison of running performance of different algorithms
Algorithm PSNR /dB t /s
NSGI 61.21 1.2408
CGI-OMP 55.23 0.5458
CGI-IHT 53.13 0.6971
CGI-IRLS 59.34 141.4051
CGI-CoSaMP 55.71 3.0253

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Yi Chen, Xiang Fan, Yubao Cheng, Zhengdong Cheng, Zhenyu Liang. Compressive Sensing Ghost Imaging Based on Neighbor Similarity[J]. Acta Optica Sinica, 2018, 38(7): 0711001

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Paper Information

Category: Imaging Systems

Received: Dec. 10, 2017

Accepted: --

Published Online: Sep. 5, 2018

The Author Email: Chen Yi (lishuichenyi@sina.com)

DOI:10.3788/AOS201838.0711001

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology