Real-time Rendering of Specular Surfaces Considering Self-Reflection

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  • 自己反射を考慮した鏡面反射物体のリアルタイムレンダリング
  • ジコ ハンシャ オ コウリョシタ キョウメン ハンシャ ブッタイ ノ リアルタイム レンダリング

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To render specular surfaces, reflections play an important role to enhance the realism. For concave surfaces, the effects of self-reflections that the surface reflects a part of the surface itself are necessary to create realistic images. This paper presents a real-time rendering of rigid specular surfaces taking into account self-reflections. In the preprocess, sample rays incident onto each vertex of the specular surface are traced taking into account the reflection, until they do not intersect the surface. The outgoing reflected directions are stored in look-up tables. In the rendering process, reflections of the environment taking into account the self-reflection are rendered by using the precomputed look-up tables. Our method accelerates the rendering by using a GPU and achieves real-time rendering.

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