Research on the Evaluation of Target Camouflage Effect in Visible Spectrum Based on Similarity

Mengwei Shi; Junhua Yan; Guoyue Xu; Yin Zhang; Xutong Hu; Qi Qian

doi:10.3788/LOP230828

Laser & Optoelectronics Progress, Volume. 61, Issue 4, 0430001(2024)

Research on the Evaluation of Target Camouflage Effect in Visible Spectrum Based on Similarity

Mengwei Shi¹, Junhua Yan^1、*, Guoyue Xu², Yin Zhang¹, Xutong Hu¹, and Qi Qian²

¹Key Laboratory of Space Photoelectric Detection and Perception, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, Jiangsu, China

²College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, Jiangsu, China

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Figures & Tables(16)

Fig. 1. General block diagram of target camouflage effect evaluation in visible spectrum based on similarity

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Fig. 2. Camouflage template images in different backgrounds

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Fig. 3. Camouflage template images under different vertical detection distances in vegetation background

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Fig. 4. Fitting curves of synthetic similarity and discovery probability of camouflage templates under different vertical detection distances

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Fig. 5. Camouflage personnel images under different vertical detection distances in vegetation/soil background

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Fig. 6. Camouflage personnel and background images under different vertical detection distances in vegetation/soil background

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Fig. 7. Fitting curves of synthetic similarity and discovery probability of camouflage suits under different vertical detection distances

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Fig. 8. Camouflage personnel images under different horizontal detection distances in woodland background

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Fig. 9. Camouflage personnel and background images under different horizontal detection distances

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Fig. 10. Fitting curves of synthetic similarity and discovery probability of camouflage suits under different horizontal detection distances

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Fig. 11. Template images and spectral reflection curves

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Table 1. Camouflage effectiveness evaluation results of five camouflage templates under different vertical detection distances in vegetation background

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Table 1. Camouflage effectiveness evaluation results of five camouflage templates under different vertical detection distances in vegetation background

Comprehensive similarity	Distances	1#	2#	3#	4#	5#
	1H	0.4073	0.6765	0.7087	0.7112	0.7336
	2H	0.4392	0.6849	0.7108	0.7145	0.7395
	3H	0.5069	0.6859	0.7142	0.7212	0.7428
	4H	0.5450	0.6972	0.7286	0.7340	0.7464
	5H	0.5521	0.7257	0.7314	0.7458	0.7571
	6H	0.5699	0.7309	0.7485	0.7513	0.7601
	7H	0.6010	0.7425	0.7506	0.7587	0.7714
方正汇总行Camouflage efficiency ranking		5	4	3	2	1

Table 2. Camouflage effectiveness evaluation results of five camouflage templates under different vertical detection distances in typical backgrounds
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Table 2. Camouflage effectiveness evaluation results of five camouflage templates under different vertical detection distances in typical backgrounds
Camouflage efficiency ranking Typical background 1# 2# 3# 4# 5#
vegetation background 5 4 3 2 1
vegetation/soil background 5 4 2 3 1
soil background 5 3 1 4 2
artificial masonry background 5 3 4 2 1

Table 3. Camouflage effectiveness evaluation results of six camouflage suits under different vertical detection distances in vegetation/soil background

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Table 3. Camouflage effectiveness evaluation results of six camouflage suits under different vertical detection distances in vegetation/soil background

Comprehensive similarity	Distance	1#	2#	3#	4#	5#	6#
	1H	0.7206	0.8356	0.8075	0.8333	0.7874	0.7572
	2H	0.7383	0.8438	0.8157	0.8497	0.7893	0.7593
	3H	0.7466	0.8647	0.8209	0.8516	0.8009	0.7632
	4H	0.7471	0.8929	0.8652	0.8558	0.8415	0.7782
	5H	0.7723	0.9003	0.8664	0.8780	0.8669	0.7790
方正汇总行Camouflage efficiency ranking		6	1	3	2	4	5

Table 4. Camouflage effectiveness evaluation results of three camouflage suits under different horizontal detection distances in woodland background
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Table 4. Camouflage effectiveness evaluation results of three camouflage suits under different horizontal detection distances in woodland background
Comprehensive similarity Distance 1# 2# 3#
1D 0.7118 0.7959 0.7409
2D 0.7331 0.8110 0.7648
3D 0.7649 0.8397 0.7734
4D 0.7774 0.8490 0.7812
Camouflage efficiency ranking 3 1 2

Table 5. Camouflage effectiveness evaluation results of three methods

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Table 5. Camouflage effectiveness evaluation results of three methods

Camouflage effectiveness evaluation methods	M1	M2	Al plate
Method of this article（comprehensive similarity）	0.8836	0.8819	0.5118
Evaluation method based on spectral reflectance curve（spectral angle）	0.9956	0.9449	0.8011
Evaluation method based on color difference meter（average color difference）	50	52	74
Camouflage efficiency ranking	1	2	3

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Mengwei Shi, Junhua Yan, Guoyue Xu, Yin Zhang, Xutong Hu, Qi Qian. Research on the Evaluation of Target Camouflage Effect in Visible Spectrum Based on Similarity[J]. Laser & Optoelectronics Progress, 2024, 61(4): 0430001

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Paper Information

Category: Spectroscopy

Received: Mar. 10, 2023

Accepted: Jun. 25, 2023

Published Online: Feb. 26, 2024

The Author Email: Junhua Yan (yjh9758@126.com)

DOI:10.3788/LOP230828

CSTR:32186.14.LOP230828

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Camouflage effectiveness evaluation results of five camouflage templates under different vertical detection distances in vegetation background

Table 1. Camouflage effectiveness evaluation results of five camouflage templates under different vertical detection distances in vegetation background

Table 2. Camouflage effectiveness evaluation results of five camouflage templates under different vertical detection distances in typical backgrounds

Table 2. Camouflage effectiveness evaluation results of five camouflage templates under different vertical detection distances in typical backgrounds

Table 3. Camouflage effectiveness evaluation results of six camouflage suits under different vertical detection distances in vegetation/soil background

Table 3. Camouflage effectiveness evaluation results of six camouflage suits under different vertical detection distances in vegetation/soil background

Table 4. Camouflage effectiveness evaluation results of three camouflage suits under different horizontal detection distances in woodland background

Table 4. Camouflage effectiveness evaluation results of three camouflage suits under different horizontal detection distances in woodland background

Table 5. Camouflage effectiveness evaluation results of three methods

Table 5. Camouflage effectiveness evaluation results of three methods