Optics and Precision Engineering, Volume. 31, Issue 21, 3167(2023)
Light-field angular super-resolution reconstruction via fusing 3D epipolar plane images
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Fig. 1. Schematic of imaging principle for microlens array light field camera
Fig. 3. Architecture of light-field angular super-resolution reconstruction via fusing 3D EPIs
Fig. 6. Horizontal 3D EPI at angular coordinate
Fig. 8. Angular super-resolution reconstruction results of synthetic light field images
Fig. 9. Angular super-resolution reconstruction results of real-world light field images
Fig. 10. Depth map predicted by reconstruction results in this article
Table 1. Comparison of angular super-resolution reconstruction results on light field images
View tableView in ArticleTable 1. Comparison of angular super-resolution reconstruction results on light field images
HCI new PSNR/dB SSIM Yun 33.80 0.934 Ours 34.44 0.942
Table 2. Comparison of angular super-resolution reconstruction results on synthetic light field images
View tableView in ArticleTable 2. Comparison of angular super-resolution reconstruction results on synthetic light field images
Method HCI new Buddha Mona PSNR/SSIM PSNR/SSIM PSNR/SSIM lf-syn 27.56/0.800 35.09/0.935 32.87/0.892 RCA-LF 32.06/0.899 44.48/0.989 45.19/0.989 LFASR 34.39/0.937 45.78/0.991 45.88/0.990 Ours 34.44/0.942 46.13/0.992 45.58/0.990
Table 3. Comparison of angular super-resolution reconstruction results on real-world light field images
View tableView in ArticleTable 3. Comparison of angular super-resolution reconstruction results on real-world light field images
Method Bikes IMG_1528_eslf Rock PSNR/SSIM PSNR/SSIM PSNR/SSIM lf-syn 29.31/0.904 23.87/0.860 27.35/0.892 RCA-LF 34.02/0.965 30.64/0.952 34.97/0.972 LFASR 36.35/0.974 30.38/0.960 38.53/0.981 Ours 36.73/0.975 32.37/0.968 38.72/0.982
Table 4. Angular super-resolution reconstruction results produced in ablation experiments
View tableView in ArticleTable 4. Angular super-resolution reconstruction results produced in ablation experiments
LF images Buddha Mona IMG_1528_eslf Rock PSNR/SSIM PSNR/SSIM PSNR/SSIM PSNR/SSIM Ablation （1） 45.97/0.992 45.30/0.990 32.06/0.967 38.45/0.981 Ablation （2） 45.97/0.992 45.19/0.990 31.92/0.967 38.48/0.981 Ablation （3） 45.36/0.990 45.27/0.990 30.11/0.957 37.97/0.980 Ours 46.13/0.992 45.58/0.990 32.37/0.968 38.72/0.982
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Chunyi CHEN, Xiaohui FAN, Xiaojuan HU, Haiyang YU. Light-field angular super-resolution reconstruction via fusing 3D epipolar plane images[J]. Optics and Precision Engineering, 2023, 31(21): 3167
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Received: Jan. 3, 2023
Accepted: --
Published Online: Jan. 5, 2024
The Author Email: CHEN Chunyi (chenchunyi@hotmail.com)
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