Using Image-Based Daylight Simulation Technique to Accelerate Computer Graphics Rendering Process
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概要
- 論文の詳細を見る
In computer graphics (CG), the illuminance computing is the most time consuming process. Especially when the realism is considered, texture mapping, bump mapping, ray tracing, radiosity, and daylight simulation must be used. Though those techniques improve the realism, at the same time they make the real-time interaction impossible. In this paper, an Image-Based Daylight Simulation (IBDS) technique is used to accelerate the rendering process of CG. First, from two CG generated outdoor images, the sky-factor and reflectance parameters are recovered. Then using these parameters, this technique can quickly produce new images, and simulate different weather conditions from a clear day to a cloudy day without computing illuminance for each frame. The speed of rendering is greatly increased, and make the real-time interaction possible.
- 社団法人映像情報メディア学会の論文
- 1999-06-07
著者
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NAKAJIMA Masayuki
Graduate School of Information Science & Engineering, Tokyo Institute of Technology
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Zhang Xiaohui
Graduate School Of Information Science & Engineering Tokyo Institute Of Technology
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Zhang Xiaohui
Graduate School Of Information Science And Engineering Tokyo Institute Of Technology
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Nakajima Masayuki
Graduate School Of Information Science And Engineering Tokyo Institute Of Technology
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Nakajima Masayuki
Graduate School Of Information And Engineering Tokyo Institute Of Technology
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