Browsing by Author "Tseng, Yi-Chun"

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ANIMATING PICTURES USING PROCEDURAL 2.5D WATER FLOW SIMULATION
(2017-01-01)
Sun, Tsai-Ho
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Tseng, Yi-Chun
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Wong, Sai-Keung
;
Chen, Hsuan
;
Tsai, Tsung-Yu
In this paper, we present a procedural 2.5D water flow simulation technique to animate pictures. For a given picture, we convert it into a 2.5D structure and then perform water simulation for the 2.5D structure (like a shallow-relief sculpture). The proposed approach is divided into three phases: image processing, water simulation and rendering. First, we extract the objects in the picture and compute their 2.5D structure based on image processing techniques. Second, a procedural based approach is adopted to simulate water flows over the 2.5D structure. Finally, we apply a simple ray tracer to render final images. Experimental results show that the simulated water flows naturally over the 2.5D structure of the pictures at real time rates. We also printed out the 2.5D structures of the virtual objects as 3D models for visual comparison.
Transferring video to dynamic relief structures with water interaction
(1970-01-01)
Tseng, Yi-Chun
;
Wong, Sai-Keung
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資訊工程學系
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Department of Computer Science
In this article, we present a framework which transfers video to dynamic relief-structures with water interaction. Our method enables the interaction between video content and waterflows. The key idea is that the dynamic 2.5D structures of the objects in video are constructed and then waterflows are simulated to interact with the 2.5D structures. We performed experiments for still images, and video in which objects had various motion styles. User interaction with our system was also demonstrated. The result of a user study indicated that our method could produce visually acceptable results.