Wentong Qian, hui Li, Yuntao Wu. Synthetic-Aperture Occlusion Removal Algorithm Using Microlens Array[J]. Acta Optica Sinica, 2020, 40(1): 0111027
- Acta Optica Sinica
- Vol. 40, Issue 1, 0111027 (2020)
Fig. 1. Flow chart of synthetic-aperture occlusion removal algorithm based on microlens array
Fig. 2. Light field sampling based on microlens array
Fig. 3. Principle of refocusing
Fig. 4. Scene diagram
Fig. 5. Original image
Fig. 6. Processing images of algorithm for each step. (a) Sampling image of microlens; (b) binary extracted occlusion grid; (c) result without using synthetic aperture; (d) occlusion removal result
Fig. 7. Results of three algorithms. (a) Microlens synthetic aperture algorithm; (b) multi-cue fusion extraction depth algorithm; (c) prior information matching based algorithm
Fig. 8. Images processed by three algorithms. (a)-(c) Binarization images of Figs. 7(a)-(c); (d)-(f) contour extraction images of Figs. 7(a)-(c)
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Table 1. Parameters of MLA150-5C microlens array
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Table 2. Average gradient value of results of three algorithms
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Table 3. Comparison of image qualities obtained by different algorithms
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