用柏林噪声渲染半透明

Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia Pub Date : 2005-11-29 DOI:10.1145/1101389.1101414

R. Barnard, Saim Ural

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引用次数: 1

摘要

半透明光子映射是一种为牛奶、皮肤和雾等半透明材料的逼真渲染而开发的技术。然而，在物理世界中，没有物质在密度恒定的情况下是完全半透明的。通过对渲染对象使用3D密度图，并使用柏林噪声函数对地图的值进行抖动，将在整个对象中创建非完美密度，从而呈现更逼真的图像。

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Rendering translucency with Perlin noise

Translucent photon mapping is a technique developed for the realistic rendering of translucent materials such as milk, skin, and fog. In the physical world, however, no material is perfectly translucent at a constant density. By using a 3D density map for a rendered object and jittering the values of the map by using a Perlin noise function will create a non-perfect density throughout the object and thereby present a more realistic image.

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Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia

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