PHONG NUGYEN
Phong shading · Phong interpolation · [ · 1 ] · or normal-vector interpolation shading [ · 2 ] · who published them in his 1973 Ph.D. dissertation [ · 3 ] · 4 ] · and a 1975 paper. [ · 5 ] · Phong's methods were considered radical at the time of their introduction · but have since become the de facto baseline shading method for many rendering applications. [ · citation needed ] · which interpolates colors across polygons · in Phong shading · e.g. the Phong reflection model · the ambient and diffuse colors are both blue · and the specular color is white · reflecting a small part of the light hitting the surface
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91; citation needed ] Phong's methods have proven popular due to their generally efficient use of computation time per rendered pixel. [ citation needed ] Phong interpolation [ edit ] Phong shading improves upon Gouraud shading and provides a better approximation of the shading of a smooth surface. Phong shading assumes a smoothly varying surface normal vector. The Phong interpolation method works better than Gouraud shading when applied to a reflection model with small specular high
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