Wenxue Zhang, Jihong Wang, Ge Ren. Optical elements defect online detection method based on camera array[J]. High Power Laser and Particle Beams, 2020, 32(5): 051001
- High Power Laser and Particle Beams
- Vol. 32, Issue 5, 051001 (2020)
Fig. 1. Schematic diagram of the same object imaging separately in the camera array
Fig. 2. Three simulated objects with different object distances
Fig. 3. 5×5 camera array simulation imaging
Fig. 4. Digital refocusing results of surface defects of optical elements at different object distances
Fig. 5. Schematic diagram of defect detection results of optical components
Fig. 6. Schematic diagram of optical components defect detection based on camera array
Fig. 7. Digital refocusing results of the three targets
Fig. 8. Schematic diagram of length and width comparison of defects’ external rectangle under digital refocusing and off-line detection methods
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Table 1. Image quality evaluation index of different number of camera arrays for target 3
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