Meihong Huang, Pinghui Wu, Zisheng Su, Huishan Yang. Method for Enlarging Dynamic Range of CMOS Camera Based on Binary Image Superposition[J]. Laser & Optoelectronics Progress, 2021, 58(24): 2428010
- Laser & Optoelectronics Progress
- Vol. 58, Issue 24, 2428010 (2021)
Fig. 1. Schematic diagram of binary image superposition
Fig. 2. Output curves of gray value quasi-logarithmic response
Fig. 3. Schematic diagram of experimental device
Fig. 4. Illuminance distribution of black strip on experimental target board
Fig. 5. Camera images and gray distributions for illuminance value of 100--3000 lx of black strip. (a) Binary superposition camera; (b) traditional camera
Fig. 6. Camera images and gray distributions for illuminance value of 600--14000 lx of black strip. (a) Binary superposition camera; (b) traditional camera
Fig. 7. Variation of gray difference Δ with coordinate x for illuminance intensity of 100--3000 lx on black strip
Fig. 8. Variation of gray difference Δ with coordinate x for illuminance intensity of 600--14000 lx on black strip
Fig. 9. Comparison of brightness integral value curves for illuminance intensity of 49--1365 lx on black strip
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