Compressive Sensing Ghost Imaging Based on Neighbor Similarity

Yi Chen; Xiang Fan; Yubao Cheng; Zhengdong Cheng; Zhenyu Liang

doi:10.3788/AOS201838.0711001

Journals >Acta Optica Sinica >Volume 38 >Issue 7 >Page 0711001 > Article

Acta Optica Sinica
Vol. 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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DOI: 10.3788/AOS201838.0711001 Cite this Article Set citation alerts

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 Copy Citation Text

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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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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 1. Performance statistics of algorithms under different sampling rates

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

Table 2. Comparison of running performance of different algorithms

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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