Hanh N. D. Le, Ryan Decker, Axel Krieger, Jin U. Kang. Experimental assessment of a 3-D plenoptic endoscopic imaging system[J]. Chinese Optics Letters, 2017, 15(5): 051701
- Chinese Optics Letters
- Vol. 15, Issue 5, 051701 (2017)
Fig. 1. Schematic of the endoscopic setup with the plenoptic camera and relay lens system.
Fig. 2. Triangulation principle for virtual depth estimation. IP: Image plane.
Fig. 3. Resolution and contrast measurements.
Fig. 4. (a) Microlens image of the checker board at 0° with (b) its depth map and (c, d) point cloud data at different views.
Fig. 5. Microlens image of the checker board at 45° with (b) its depth map and (c, d) point cloud data at different views.
Fig. 6. (a–c) Microlens image of a plane and inhomogeneous objects and (d–f) its reconstructed depth maps.
Fig. 7. (a) Microlens image of a fowl ventricular specimen and (b–d) its 3-D reconstructions at multiple angles.
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Table 1. Reconstruction Accuracy and Precision at Two Planar Angle Deviations at 0° and 45° (Unit: mm)
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