Image Edge Information Aided Compressive Sampling Strategy

Jun Yang; Bo Pan; Li Chen; Yongan Zhu; Tao Jiang; Chen Cui

doi:10.3788/LOP57.081018

Laser & Optoelectronics Progress, Volume. 57, Issue 8, 081018(2020)

Image Edge Information Aided Compressive Sampling Strategy

Jun Yang^1、*, Bo Pan², Li Chen¹, Yongan Zhu¹, Tao Jiang¹, and Chen Cui³

Author Affiliations

¹College of Mathematics Physics and Information Engineering, Jiaxing University, Jiaxing, Zhejiang 314001, China

²Jiaxing Guodiantong New Energy Technology Co. LTD., Jiaxing, Zhejiang 314001, China

³School of Data Science and Technology, Heilongjiang University, Harbin, Heilongjiang 150080, China

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Figures & Tables(9)

Fig. 1. Schematic for the ASR framework

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Fig. 2. Some test images. (a) Lena; (b) Fruits; (c) Boat; (d) House; (e) Cameraman; (f) Peppers

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Fig. 3. Comparison of effects of adaptive random sampling and completely random sampling

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Fig. 4. Recovery effect of completely random sampling and different adaptive random sampling when sampling rate is 35%. (a) Original image; (b) Φ_r: 27.2 dB; (c) Φ_m+M_c: 31.3 dB; (d) Φ_m+ $\begin{matrix} M_{c}^{p} \end{matrix}$

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Fig. 5. PSNR results of ASR and other CS recovery methods

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Fig. 6. Visual results of different algorithms with sampling ratio is 40%. (a)-(d) ASR; (e)-(h) BCS; (i)-(l) MARX; (m)-(p) TVAL3; (q)-(t) SRM

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Fig. 7. Optimal value estimation of adaptive sampling rate Φ_m+

\begin{matrix} M_{d, c}^{p} \end{matrix}

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Table 1. Running time of different algorithms for 256×256 image with sampling ratio is 35%s
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Table 1. Running time of different algorithms for 256×256 image with sampling ratio is 35%s
Image MARX ASR TVAL3 SRM BCS
Lena 5820.0 8.7 1.7 0.5 15.6
Boat 4620.5 6.8 1.8 0.6 14.3
House 5220.1 7.0 1.5 0.5 16.4

Table 2. PSNR values of different algorithms with sampling ratio is 40%
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Table 2. PSNR values of different algorithms with sampling ratio is 40%
Image PSNR /dB
ASR BCS MARX TVAL3 SRM
Lena 32.06 31.09 36.08 29.55 29.33
House 37.19 34.67 38.46 28.01 33.26
Boat 29.04 26.67 29.87 27.53 25.52
Baboon 21.41 22.03 22.05 19.80 20.59

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Jun Yang, Bo Pan, Li Chen, Yongan Zhu, Tao Jiang, Chen Cui. Image Edge Information Aided Compressive Sampling Strategy[J]. Laser & Optoelectronics Progress, 2020, 57(8): 081018

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