Wei Wang, Tie Li, Yali Hou. BRDF equivalent test method of typical stereo target[J]. Infrared and Laser Engineering, 2020, 49(4): 0403011
- Infrared and Laser Engineering
- Vol. 49, Issue 4, 0403011 (2020)
Fig. 1. Definition of BRDF
Fig. 2. BRDF test system diagram
Fig. 3. Parent-block diagram with different reflectivities
Fig. 4. Test photo of coating parent-block sample
Fig. 5. BRDF test results of green substrate at 0° incident angle
Fig. 6. BRDF test results of green substrate at 10-40° incident angle
Fig. 7. BRDF test results of blue substrate at 10-40° incident angle
Fig. 8. BRDF test results of cylinder at 0-40° incident angle
Fig. 9. BRDF equivalent parent-blocks of cylinder
Fig. 10. BRDF test results of equivalent parent-blocks of cylinder at 0-40°incident angle
Fig. 11. Comparison of the accuracy of the scattering light intensity test data between the 0° incident green-blue-outer parent block and the cylindrical sample
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Table 1. List of mixed ratios of 5 different reflective coatings
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