Acta Photonica Sinica, Volume. 54, Issue 1, 0130003(2025)
Optimization of Geometric Attenuation Factor in Six-parameter Spectral BRDF Model
Figures & Tables(14)
Fig. 8. Comparison of theoretical value with calculated value of optimized geometric attenuation factor
Fig. 9. Error data of frosted stainless steels plate after optimization
Table 1. RMSE of frosted stainless-steel plate for each band at scattering angle of -80° to 80°
View tableView in ArticleTable 1. RMSE of frosted stainless-steel plate for each band at scattering angle of -80° to 80°
Angle of incidence 15° 30° 45° 60° Wavelength 402~500 nm 0.035 066 0.062 538 0.026 913 0.031 331 Wavelength 502~600 nm 0.043 206 0.068 515 0.029 669 0.042 265 Wavelength 602~700 nm 0.046 460 0.069 425 0.030 581 0.044 824 Wavelength 702~800 nm 0.038 966 0.067 249 0.029 007 0.038 082 Wavelength 802~900 nm 0.028 528 0.058 563 0.025 992 0.028 126 Wavelength 902~1 000 nm 0.029 123 0.056 350 0.025 563 0.025 483 Wavelength 1 002~1 112 nm 0.030 764 0.055 995 0.025 416 0.025 121
Table 2. RMSE of frosted stainless steel plate for each band at scattering angle -87°~-80° and 80°~87°
View tableView in ArticleTable 2. RMSE of frosted stainless steel plate for each band at scattering angle -87°~-80° and 80°~87°
Angle of incidence 15° 30° 45° 60° Wavelength 402~500 nm 0.070 923 0.087 864 0.037 034 0.046 804 Wavelength 502~600 nm 0.096 069 0.063 461 0.037 186 0.065 326 Wavelength 602~700 nm 0.089 293 0.063 032 0.042 970 0.067 693 Wavelength 702~800 nm 0.103 121 0.074 603 0.047 037 0.054 510 Wavelength 802~900 nm 0.111 901 0.116 366 0.055 432 0.046 176 Wavelength 902~1 000 nm 0.152 949 0.139 854 0.065 985 0.047 171 Wavelength 1 002~1 112 nm 0.129 751 0.119 732 0.064 027 0.062 817
Table 3. Calculation of the coefficients corresponding to plates
View tableView in ArticleTable 3. Calculation of the coefficients corresponding to plates
Plates m n Stainless steel 2.514 -0.001 337 Frosted stainless steel 2.872 -0.001 457 Aluminium 2.641 -0.001 602 Plumbago 2.358 -0.001 174
Table 4. RMSE of frosted stainless-steel plate after optimization for each band at scattering angle -80°~80°
View tableView in ArticleTable 4. RMSE of frosted stainless-steel plate after optimization for each band at scattering angle -80°~80°
Angle of incidence 15° 30° 45° 60° Wavelength 402~500 nm 0.025 606 0.041 031 0.022 132 0.025 719 Wavelength 502~600 nm 0.034 119 0.047 370 0.023 775 0.038 959 Wavelength 602~700 nm 0.036 976 0.048 885 0.024 651 0.041 946 Wavelength 702~800 nm 0.030 769 0.046 050 0.023 264 0.033 429 Wavelength 802~900 nm 0.024 225 0.037 055 0.022 250 0.022 793 Wavelength 902~1 000 nm 0.021 447 0.035 056 0.022 536 0.019 045 Wavelength 1 002~1 112 nm 0.023 939 0.034 941 0.021 927 0.018 875
Table 5. RMSE of frosted stainless steel plate after optimization for each band at scattering angle -87°~-80° and 80°~87°
View tableView in ArticleTable 5. RMSE of frosted stainless steel plate after optimization for each band at scattering angle -87°~-80° and 80°~87°
Angle of incidence 15° 30° 45° 60° Wavelength 402~500 nm 0.039 846 0.047 071 0.015 551 0.027 032 Wavelength 502~600 nm 0.041 019 0.031 328 0.024 283 0.024 325 Wavelength 602~700 nm 0.037 421 0.037 956 0.030 356 0.031 690 Wavelength 702~800 nm 0.052 982 0.031 778 0.022 553 0.024 540 Wavelength 802~900 nm 0.059 222 0.047 639 0.020 632 0.016 511 Wavelength 902~1 000 nm 0.074 751 0.061 523 0.033 060 0.027 120 Wavelength 1 002~1 112 nm 0.062 101 0.042 178 0.031 009 0.018 950
Tools
Get Citation
Copy Citation Text
Yue YU, Liguo WANG, Biao WANG, Zhiqiang YANG, Ge ZHANG, Haoran JIN, Zhensen WU, Baoyin ZHAO, Lei GONG. Optimization of Geometric Attenuation Factor in Six-parameter Spectral BRDF Model[J]. Acta Photonica Sinica, 2025, 54(1): 0130003
Paper Information
Category:
Received: Jul. 16, 2024
Accepted: Nov. 1, 2024
Published Online: Mar. 5, 2025
The Author Email: Lei GONG (gonglei@xatu.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20