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Volume 21 Issue 2
March  2006
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Wei Hu, Kai-Huai Qin, Hua-Wei Wang, Ya-Feng Li. Reflection and Refraction on Implicit Surfaces[J]. Journal of Computer Science and Technology, 2006, 21(2): 166-172.
Citation: Wei Hu, Kai-Huai Qin, Hua-Wei Wang, Ya-Feng Li. Reflection and Refraction on Implicit Surfaces[J]. Journal of Computer Science and Technology, 2006, 21(2): 166-172.
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Reflection and Refraction on Implicit Surfaces

  • Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China

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  • Received Date: September 08, 2005
  • Published Date: March 14, 2006
    Abstract
  • Implicit surfaces are often used in computer graphics. They can be easily modeled and rendered, and many objects are composed of them in our daily life. In this paper, based on the concept of virtual objects, a novel method of real-time rendering is presented for reflection and refraction on implicit surface. The method is used to construct virtual objects from real objects quickly, and then render the virtual objects as if they were real objects except for one morestep of merging their images with the real objects images. Characteristics of implicit surfaces are used to compute virtualobjects effectively and quickly. GPUs (Graphics Processing Units) are used to compute virtual vertices quickly and further accelerate the computing and rendering processes. As a result, realistic effects of reflections and refractions on implicit surfaces are rendered in real time.
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