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Results tagged with physics
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user 385
16
votes
2
answers
1k
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Fresnel reflectance of gold: red channel greater than 1?
In his talk Physics and Math of Shading, Naty Hoffman explains Fresnel reflectance and defines the characteristic specular color F0 of a material as the Fresnel reflectance at 0° incident light angle. …
- 2,293
36
votes
2
answers
7k
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How physically-based is the diffuse and specular distinction?
The classical way of shading surfaces in real-time computer graphics is a combination of a (Lambertian) diffuse term and a specular term, most likely Phong or Blinn-Phong.
Now with the trend going …
- 2,293