Zheng-De Xia, Na Song, Bin Liu, Jin-Xiao Pan, Wen-Min Yan, Zi-Hui Shao. Dense light field reconstruction algorithm based on dictionary learning [J]. Acta Physica Sinica, 2020, 69(6): 064201-1
- Acta Physica Sinica
- Vol. 69, Issue 6, 064201-1 (2020)
Fig. 1. Algorithm workflow.
Fig. 2. Light field overcomplete dictionary.
Fig. 3. Performance of reconstructed image: (a) Performance in sparsity, pixels = 256 × 256; (b) performance in sparsity, pixels = 512 × 512; (c) PSNR in different resolution; (d) performance in redundancy, pixels = 256 × 256.
Fig. 4. Image reconstruction in different sparsity and redundancy: (a) K = 16, N = 256; (b) K = 34, N = 1024
Fig. 5. Dense reconstruction of light field with occluded targets: (a) Dense light field; (b), (e) reference images; (c), (d) reconstructed virtual images of view 2 and view 5; (g), (h) target images; (f), (i) residual images.
Fig. 6. Dense reconstruction of light field: (a) Reconstructed image for proposed algorithm; (b) reconstructed image for DIBR; (c) target image; (d) residual image; (e) dense light field.
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Table 1. Performance of image reconstruction in different sparsity and redundancy
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Table 2. Dense reconstruction of light field in different scenes.
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