激光与光电子学进展, 2020, 57 (8): 081018, 网络出版: 2020-04-03
图像边缘信息辅助的压缩采样策略 下载: 897次
Image Edge Information Aided Compressive Sampling Strategy
图 & 表
图 2. 部分测试图像。(a) Lena;(b) Fruits;(c) Boat;(d) House;(e) Cameraman;(f) Peppers
Fig. 2. Some test images. (a) Lena; (b) Fruits; (c) Boat; (d) House; (e) Cameraman; (f) Peppers
图 3. 自适应随机采样与完全随机采样的效果比较
Fig. 3. Comparison of effects of adaptive random sampling and completely random sampling
图 4. 采样率为35%时,完全随机采样和不同自适应随机采样的恢复效果。(a)原图;(b) Φr:27.2 dB;(c) Φm+Mc:31.3 dB;(d) Φm+ :29.6 dB;(e) Φm+MFig. 4. Recovery effect of completely random sampling and different adaptive random sampling when sampling rate is 35%. (a) Original image; (b) Φr: 27.2 dB; (c) Φm+Mc: 31.3 dB; (d) Φm+
Fig. 4. Recovery effect of completely random sampling and different adaptive random sampling when sampling rate is 35%. (a) Original image; (b) Φr: 27.2 dB; (c) Φm+Mc: 31.3 dB; (d) Φm+
图 6. 采样率为40%时,不同算法恢复图像视觉效果。(a)~(d) ASR;(e)~(h) BCS;(i)~(l) MARX;(m)~(p) TVAL3;(q)~(t) SRM
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
表 1采样率为35%时,不同算法恢复大小为256×256的图像运行时间
Table1. Running time of different algorithms for 256×256 image with sampling ratio is 35%s
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表 2采样率为40%时各种算法恢复图像的PSNR值
Table2. PSNR values of different algorithms with sampling ratio is 40%
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杨俊, 潘博, 陈丽, 朱永安, 蒋涛, 崔晨. 图像边缘信息辅助的压缩采样策略[J]. 激光与光电子学进展, 2020, 57(8): 081018. 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.