Optics and Precision Engineering, Volume. 32, Issue 20, 2987(2024)
Shape from polarization based on sparse self-attention
Figures & Tables(12)
Fig. 1. Schematic diagram of reflective light polarization measurement
Fig. 4. Schematic diagram of bi-level routing sparse attention calculation
Table 1. Quantitative evaluation results of the DeepSfP dataset
View tableView in ArticleTable 1. Quantitative evaluation results of the DeepSfP dataset
方法 按图像 按像素 平均误差 SSIM 均值 中值 均方根 Smith et al. 36.24 0.874 36.29 31.81 43.08 12.0 32.2 46.7 DeepSfP 19.16 0.900 18.57 14.84 23.33 35.8 71.9 83.3 sfp-wild 14.56 0.924 14.02 10.03 19.22 55.3 83.1 90.3 本文方法 13.37 0.930 12.79 8.73 17.98 60.5 84.8 91.3
Table 2. Quantitative evaluation of different methods on our test data
View tableView in ArticleTable 2. Quantitative evaluation of different methods on our test data
方法 角度误差 精度 均值 中值 均方根误差 Smith et al. 34.49 33.24 38.19 6.4 25.0 42.4 sfp-wild 22.85 19.49 27.21 21.7 58.6 74.7 本文方法 18.26 15.15 22.53 34.8 72.4 85.7
Table 3. Results of the number of self-attention modules on performance
View tableView in ArticleTable 3. Results of the number of self-attention modules on performance
自注意力模块数量 按图像 按像素 平均误差 SSIM 均值 中值 均方根 2 13.37 0.930 12.79 8.73 17.98 60.5 84.8 91.3 4 13.53 0.930 12.92 8.72 18.20 60.5 84.4 91.0 8 13.83 0.929 13.19 9.06 18.34 59.2 83.8 90.7
Table 4. Results of different polarization representation methods on performance
View tableView in ArticleTable 4. Results of different polarization representation methods on performance
偏振表示方式 按图像 按像素 平均误差 SSIM 均值 中值 均方根 本文方式 13.37 0.930 12.79 8.73 17.98 60.5 84.8 91.3 Sfp-wild 13.89 0.928 13.19 9.01 18.45 59.4 83.7 90.3
Table 5. Results of different attention modules
View tableView in ArticleTable 5. Results of different attention modules
注意力类型 按图像 按像素 平均误差 平均处理时间 均值 中值 均方根 本文方式 13.37 0.548 12.79 8.73 17.98 60.5 84.8 91.3 多头注意力 13.54 0.562 12.88 8.82 18.14 60.5 84.5 90.9
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Zhichao YU, Zhenhua WAN, Kaichun ZHAO. Shape from polarization based on sparse self-attention[J]. Optics and Precision Engineering, 2024, 32(20): 2987
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Received: May. 9, 2024
Accepted: --
Published Online: Jan. 10, 2025
The Author Email: ZHAO Kaichun (kaichunz@mail.tsinghua.edu.cn)
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