四元数小波变换优化单目图的无参考立体图像质量评价 
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No-Reference Stereo Image Quality Assessment of Cyclopean Images Optimized Using Quaternion Wavelet Transform
1 江南大学物联网工程学院, 江苏 无锡 214166
2 上海海事大学物流科学与工程研究院, 上海 200135
图 & 表
图 1. 一级四元数小波变换分解Lena图像
Fig. 1. Decomposition of image Lena by first-level quaternion wavelet transform
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图 2. 本文方法生成的单目图。(a)左视图;(b)右视图;(c)单目图
Fig. 2. Cyclopean images produced by proposed method. (a) Left view; (b) right view; (c) cyclopean image
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图 3. 单目图MSCN系数直方图
Fig. 3. Histogram of MSCN coefficient of cyclopean image
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图 4. 单目图水平MSCN系数直方图
Fig. 4. Histogram of horizontal MSCN coefficient of cyclopean image
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图 5. 所提算法流程图
Fig. 5. Flowchart of proposed algorithm
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表 1LIVE3D Phase I的PLCC实验结果对比
Table1. Comparison of PLCC on LIVE3D Phase I
| Method | WN | JP2K | JPEG | Blur | FF | All |
|---|
| Method in Ref. [3] | 0.942 | 0.912 | 0.603 | 0.942 | 0.776 | 0.917 | | Method in Ref. [4] | 0.917 | 0.907 | 0.695 | 0.917 | 0.735 | 0.895 | | Method in Ref. [6] | 0.961 | 0.917 | 0.746 | 0.953 | 0.721 | 0.922 | | Method in Ref. [8] | 0.923 | 0.898 | 0.632 | 0.928 | 0.845 | 0.926 | | Method in Ref. [9] | 0.925 | 0.848 | 0.626 | 0.899 | 0.707 | 0.887 | | Method in Ref. [7] | 0.919 | 0.938 | 0.806 | 0.881 | 0.758 | 0.917 | | Proposed method | 0.963 | 0.935 | 0.682 | 0.958 | 0.877 | 0.947 |
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表 2LIVE3D Phase I的SROCC实验结果对比
Table2. Comparison of SROCC on LIVE3D Phase I
| Method | WN | JP2K | JPEG | Blur | FF | All |
|---|
| Method in Ref. [3] | 0.948 | 0.888 | 0.530 | 0.925 | 0.707 | 0.916 | | Method in Ref. [4] | 0.919 | 0.863 | 0.617 | 0.878 | 0.652 | 0.891 | | Method in Ref. [6] | 0.906 | 0.838 | 0.603 | 0.791 | 0.679 | 0.903 | | Method in Ref. [8] | 0.909 | 0.889 | 0.613 | 0.877 | 0.758 | 0.925 | | Method in Ref. [9] | 0.931 | 0.837 | 0.638 | 0.833 | 0.649 | 0.892 | | Method in Ref. [7] | 0.910 | 0.917 | 0.782 | 0.865 | 0.666 | 0.911 | | Proposed method | 0.945 | 0.892 | 0.667 | 0.927 | 0.829 | 0.928 |
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表 3LIVE3D Phase I的RMSE实验结果对比
Table3. Comparison of RMSE on LIVE3D Phase I
| Method | WN | JP2K | JPEG | Blur | FF | All |
|---|
| Method in Ref. [3] | 5.581 | 5.320 | 5.216 | 4.822 | 7.837 | 6.533 | | Method in Ref. [4] | 6.433 | 5.402 | 4.523 | 5.898 | 8.322 | 7.247 | | Method in Ref. [6] | 3.931 | 4.873 | 3.959 | 4.326 | 8.613 | 6.258 | | Method in Ref. [8] | 6.107 | 6.000 | 5.926 | 6.839 | 6.135 | 6.148 | | Method in Ref. [7] | 6.664 | 4.943 | 4.391 | 6.938 | 9.317 | 6.598 | | Proposed method | 3.506 | 3.645 | 3.308 | 3.081 | 4.993 | 5.032 |
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表 4LIVE3D Phase II 的PLCC实验结果对比
Table4. Comparison of PLCC on LIVE3D Phase II
| Method | WN | JP2K | JPEG | Blur | FF | All |
|---|
| Method in Ref. [3] | 0.957 | 0.834 | 0.862 | 0.963 | 0.901 | 0.900 | | Method in Ref. [4] | 0.947 | 0.899 | 0.901 | 0.941 | 0.932 | 0.895 | | Method in Ref. [6] | 0.953 | 0.847 | 0.888 | 0.968 | 0.944 | 0.913 | | Method in Ref. [9] | 0.904 | 0.634 | 0.647 | 0.967 | 0.851 | 0.818 | | Method in Ref. [7] | 0.920 | 0.867 | 0.829 | 0.878 | 0.836 | 0.845 | | Proposed method | 0.976 | 0.922 | 0.853 | 0.969 | 0.946 | 0.919 |
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表 5LIVE3D Phase II SROCC实验结果对比
Table5. Comparison of SROCC on LIVE3D Phase II
| Method | WN | JP2K | JPEG | Blur | FF | All |
|---|
| Method in Ref. [3] | 0.940 | 0.814 | 0.843 | 0.908 | 0.884 | 0.889 | | Method in Ref. [4] | 0.950 | 0.867 | 0.867 | 0.900 | 0.933 | 0.880 | | Method in Ref. [6] | 0.946 | 0.845 | 0.818 | 0.903 | 0.899 | 0.905 | | Method in Ref. [9] | 0.893 | 0.553 | 0.593 | 0.869 | 0.828 | 0.825 | | Method in Ref. [7] | 0.932 | 0.864 | 0.839 | 0.846 | 0.860 | 0.888 | | Proposed method | 0.960 | 0.903 | 0.832 | 0.927 | 0.945 | 0.917 |
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表 6LIVE3D Phase II RMSE实验结果对比
Table6. Comparison of RMSE on LIVE3D Phase II
| Method | WN | JP2K | JPEG | Blur | FF | All |
|---|
| Method in Ref. [3] | 3.368 | 5.562 | 3.865 | 3.747 | 4.966 | 4.987 | | Method in Ref. [4] | 3.513 | 4.298 | 3.342 | 4.725 | 4.180 | 5.102 | | Method in Ref. [6] | 3.547 | 5.482 | 4.169 | 4.453 | 4.199 | 4.657 | | Method in Ref. [7] | 4.325 | 5.087 | 4.756 | 6.662 | 6.519 | 7.279 | | Proposed method | 2.011 | 3.192 | 2.547 | 2.376 | 3.521 | 4.085 |
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表 7各算法的运行时间
Table7. Running time of different algorithms
| Method | Time /s |
|---|
| Method in Ref. [3] | 23.110 | | Method in Ref. [4] | 11.667 | | Method in Ref. [6] | 170.396 | | Proposed method | 1.692 |
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李一凡, 李朝锋, 桑庆兵. 四元数小波变换优化单目图的无参考立体图像质量评价[J]. 激光与光电子学进展, 2019, 56(18): 181006. Yifan Li, Chaofeng Li, Qingbing Sang. No-Reference Stereo Image Quality Assessment of Cyclopean Images Optimized Using Quaternion Wavelet Transform[J]. Laser & Optoelectronics Progress, 2019, 56(18): 181006.
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