Hongliang Pan, Jinxia Sun, Xizhen Han. Image sharpness evaluation and variable-step fusion focusing method[J]. Infrared and Laser Engineering, 2023, 52(1): 20220342
- Infrared and Laser Engineering
- Vol. 52, Issue 1, 20220342 (2023)
Fig. 1. Classification of digital image processing sharpness evaluation algorithm
Fig. 2. Ideal curve of sharpness evaluation function
Fig. 3. Diagram of optical path
Fig. 4. Comparison diagram of image sharpness evaluation curve after normalization
Fig. 5. Edge detection image
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Table 1. Optical design parameters
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Table 2. Algorithm comparison results
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