Acta Optica Sinica, Volume. 42, Issue 10, 1029001(2022)
Analysis and Improvement on Integral Geometrical Attenuation Factor of Bidirectional Reflection Distribution Function
Fig. 4. GAF curves of Blinn, and BRDF curves before and after introducing Blinn’s GAF. (a) GAF curves of Blinn; (b) BRDF curves before and after introducing Blinn’s GAF
Fig. 5. Masking model in large reflection angle. (a) Complete passing model; (b) complete masking model; (c) semi-passing and semi-masking model
Fig. 6. Shadow model in large incidence angle. (a) Complete passing model; (b) complete shadow model; (c) semi-passing and semi-shadow model
Fig. 9. Reflection models of surface 1. (a) Complete passing model; (b) complete shadow model; (c) semi-passing and semi-shadow model
Fig. 10. Reflection models of surface 2 when surface 1 is complete passing model. (a) Complete passing model; (b) complete masking model; (c) semi-passing and semi-masking model
Fig. 11. Reflection models of surface 2 when surface 1 is semi-shadow model. (a) Forward reflection; (b) vertical reflection; (c) backward reflection
Fig. 12. Reflection models of incident light shining directly on surface 2. (a) Forward reflection; (b) backward reflection
Fig. 17. Comparison of BRDF curves obtained by introducing Blinn’s, integral, and modified GAF and experimental BRDF data
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Zhiyong Yang, Zhiwei Zhang, Wei Cai, Gaoxiang Lu. Analysis and Improvement on Integral Geometrical Attenuation Factor of Bidirectional Reflection Distribution Function[J]. Acta Optica Sinica, 2022, 42(10): 1029001
Category: Scattering
Received: Oct. 8, 2021
Accepted: Dec. 6, 2021
Published Online: May. 10, 2022
The Author Email: Zhiwei Zhang (1084665868@qq.com)