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Fresnel Term

Fresnel Schlick

$$
F=F_0+(F_{90}-F_0)(1-\pmb V\cdot \pmb H)^5
$$

Fresnel Dielectric

$$
F=\frac{1}{2}\left(
\frac{\eta\cos\theta_t-\cos\theta_i}{\eta\cos\theta_t+\cos\theta_i}
\right)^2
\left(
\frac{\eta\cos\theta_i-\cos\theta_t}{\eta\cos\theta_i+\cos\theta_t}
\right)^2
$$

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Wenbo Chen
作者
Wenbo Chen
CG Student

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