Chun-Tse Hsiao

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This paper addresses the problem of real-time rendering for objects with complex materials under varying all-frequency illumination and changing view. Our approach extends the triple product algorithm by using local-frame parameterization, spherical wavelets, per-pixel shading and visibility textures. Storing BRDFs with local-frame parameterization allows(More)
A neural network classification method has been developed as an alternative approach to the searchl organization problem of large molecular databases. Two artificial neural systems have been implemented on a Cray for rapid protein lnucleic acid classification of unknown sequences. The system employs a n-gram hashing function for sequence encoding and(More)
Animating pictures is an interesting and useful visual effect in entertainment industry. In this paper, we present a system that allow user to animate a character in pictures in 3D space by applying 3D motion data. We use a 3D character mesh with skeleton rigged as template model. The user need to cut out silhouette of the character in pictures, and assign(More)
Figure 1 Sample results using our technique. Our method can handle complex materials, varying illumination and changing view. Here, models and the floors are mapped with SBRDFs. Illumination and viewpoint can be changed in real-time. From left to right, we demonstrate the effects of illumination change using an area light and the Grace Cathedral for the(More)
While producing an animation, we often rely on the artist to make it manually, or sometimes we generate the animation by some physical simulations. However, the animation we created by these methods always has fixed length and is very difficult to reuse. For 3D animation production, in practice, we always need some animations with variable lengths, for(More)
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