Xiaomin Liu, Mengzhu Du, Zhibang Ma, Yunfei Zhu, Pengbo Chen, Fengying Ma. Depth Estimation Method of Light Field Image Based on Occlusion Scene[J]. Acta Optica Sinica, 2020, 40(5): 0510002
- Acta Optica Sinica
- Vol. 40, Issue 5, 0510002 (2020)
Fig. 1. Imaging model of Lytro camera
Fig. 2. Diagram of 4D light field
Fig. 3. Multi-view image
Fig. 4. Digital refocusing principle
Fig. 5. Effect comparison diagram. (a) Constrained adaptive defocus depth map; (b) traditional defocus depth map
Fig. 6. Defocus depth map and consistent depth map. (a) Constrained adaptive defocus depth map; (b) constrained angle entropy depth map
Fig. 7. Map results. (a) Initial depth map; (b) confidence map; (c) edge detection result; (d) final depth estimation result
Fig. 8. Depth estimation results of MonasRoom light field reference dataset. (a) MonasRoom central perspective image; (b) GT value; (c) the proposed method; (d) method in Ref. [13]; (e) method in Ref.[8]; (f) method in Ref.[5]
Fig. 9. Depth estimation results of Budden light field reference dataset. (a) Budden central perspective image; (b) GT value; (c) the proposed method; (d) method in Ref.[13]; (e) method in Ref.[8]; (f) method in Ref.[5]
Fig. 10. Depth estimation results of 5×5 view light field images taken by Lytro
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Table 1. EMS comparison
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