Searching Method for Optimal Code Sequence of Coded Exposure Based on Memetic Algorithm

Guangmang Cui; Kuaikuai Yu; Xiaojie Ye; Jufeng Zhao; Liyao Zhu

doi:10.3788/AOS201939.0311004

Acta Optica Sinica, Volume. 39, Issue 3, 0311004(2019)

Searching Method for Optimal Code Sequence of Coded Exposure Based on Memetic Algorithm

Guangmang Cui^1,2, Kuaikuai Yu^2、*, Xiaojie Ye¹, Jufeng Zhao¹, and Liyao Zhu¹

Author Affiliations

¹ School of Electronics and Information, Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China

² Science and Technology on Electro-Optical Information Security Control Laboratory, Tianjin 300308, China

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Figures & Tables(14)

Fig. 1. Traditional exposure mode. (a) Imaging exposure model; (b) Fourier transform amplitude curve

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Fig. 2. Coded exposure mode. (a) Coded exposure imaging model; (b) Fourier transform amplitude curve

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Fig. 3. Searching method for optimal code sequence of coded exposure based on Memetic algorithm

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Fig. 4. Comparison of frequency amplitude curves for code sequence of 32 bits

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Fig. 5. Comparison of frequency amplitude curves for code sequence of 52 bits

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Fig. 6. Comparison of frequency amplitude curves for code sequence of 112 bits

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Fig. 7. Simulated blurred images and deblurring results for image “Target” with code sequence of 32 bits. (a) Traditional exposure mode; (b) coded exposure mode plus genetic search method; (c) coded exposure mode plus Memetic searching method

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Fig. 8. Simulated blurred images and deblurring results for image “Target” with code sequence of 32 bits. (a) Traditional exposure mode; (b) coded exposure mode plus genetic search method; (c) coded exposure mode plus Memetic searching method

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Fig. 9. Simulated blurred images and deblurring results for image “Cameraman” with code sequence of 32 bits. (a)Traditional exposure mode; (b) coded exposure mode plus genetic search method; (c) coded exposure mode plus Memetic searching method

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Fig. 10. Simulated blurred images and deblurring results for image “Cameraman” with code sequence of 52 bits. (a) Traditional exposure mode; (b) coded exposure mode plus genetic search method; (c) coded exposure mode plus Memetic searching method

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Table 1. Objective evaluation results of frequency amplitude curves for code sequence
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Table 1. Objective evaluation results of frequency amplitude curves for code sequence
Code sequence length Evaluate index Genetic search method Proposed method
32 MIN 0.26 0.85
VAR 6.07 3.62
52 MIN 0.35 0.46
VAR 9.17 5.39
112 MIN 0.39 0.44
VAR 24.72 19.55

Table 2. Execution time of searching methods for optimal code sequences
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Table 2. Execution time of searching methods for optimal code sequences
Code sequence length Exhaustion method Genetic search method Proposed method
32 ~1.491´10⁵ 4.035 3.862
52 ~1.262´10¹¹ 7.264 5.678
112 ~1.455´10²⁹ 22.043 14.768

Table 3. Objective evaluation results of simulated deblurring images for image “Target”

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Table 3. Objective evaluation results of simulated deblurring images for image “Target”

Code sequence length	PSF length	Evaluateindex	Traditional exposure method	Coded exposure by genetic search method	Coded exposure by proposed method
32	7	SNR	15.4310	27.6651	36.6306
		SSIM	0.8352	0.9779	0.9914
52	11	SNR	14.6065	31.6558	36.4372
		SSIM	0.8083	0.9852	0.9904

Table 4. Objective evaluation results of simulated deblurring images for image “Cameraman”

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Table 4. Objective evaluation results of simulated deblurring images for image “Cameraman”

Code sequence length	PSF length	Evaluateindex	Traditional exposure method	Coded exposure by genetic search method	Coded exposure by proposed method
32	7	SNR	10.4900	29.5233	32.5042
		SSIM	0.2475	0.9376	0.9633
52	11	SNR	7.8144	27.4262	32.2805
		SSIM	0.1547	0.9245	0.9621

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Guangmang Cui, Kuaikuai Yu, Xiaojie Ye, Jufeng Zhao, Liyao Zhu. Searching Method for Optimal Code Sequence of Coded Exposure Based on Memetic Algorithm[J]. Acta Optica Sinica, 2019, 39(3): 0311004

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Paper Information

Category: Imaging Systems

Received: Sep. 11, 2018

Accepted: Nov. 26, 2018

Published Online: May. 10, 2019

The Author Email:

DOI:10.3788/AOS201939.0311004

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Objective evaluation results of frequency amplitude curves for code sequence

Table 1. Objective evaluation results of frequency amplitude curves for code sequence

Table 2. Execution time of searching methods for optimal code sequences

Table 2. Execution time of searching methods for optimal code sequences

Table 3. Objective evaluation results of simulated deblurring images for image “Target”

Table 3. Objective evaluation results of simulated deblurring images for image “Target”

Table 4. Objective evaluation results of simulated deblurring images for image “Cameraman”

Table 4. Objective evaluation results of simulated deblurring images for image “Cameraman”