Syuhei Sato

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Recently, visual simulation of fluids has become an important element in many applications, such as movies and computer games. These fluid animations are usually created by physically-based fluid simulation. However, the simulation often requires very expensive computational cost for creating realistic fluid animations. Therefore, when the user tries to(More)
We propose a simple and efficient data-driven method for synthesizing high-resolution 3D animations of fire from low-resolution fluid simulations. Our method is based on grid-based fluid simulation. The key concept behind our method is to use a precomputed database of high-resolution velocity fields in order to produce small-scale details that are lost in(More)
The visual simulation of fluids has become an important element in many applications, such as movies and computer games. In these applications, large-scale fluid scenes, such as fire in a village, are often simulated by repeatedly rendering multiple small-scale fluid flows. In these cases, animators are requested to generate many variations of a small-scale(More)
Physically based fluid simulations usually require expensive computation cost for creating realistic animations. We present a technique that allows the user to create various fluid animations from an input fluid animation sequence, without the need for repeatedly performing simulations. Our system allows the user to deform the flow field in order to edit(More)
This paper presents a method for controlling simulated explosions by prediction and optimization. Many methods have been proposed for simulating realistic explosion based on numerical fluid analysis. These methods are widely used in applications such as movies and computer games. In these applications, there is often a requirement for the explosion to(More)
The computational cost for creating realistic fluid animations by simulation is generally very expensive. In digital production environment, existing precomputed fluid animations are often reused for different scenes in order to reduce the cost for creating scenes containing fluids. However, applying same animations to different scenes produces unacceptable(More)
In this paper, we develop a method for synthesizing desired flow fields by combining existing multiple flow fields. Our system allows the user to specify arbitrary regions of the precomputed flow fields and combine them to synthesize a new flow field. In order to maintain plausible physical behavior, we ensure the incompressibility for the combined flow(More)
The visual simulation of fluids has become an important element in many applications, such as movies and computer games. In these applications, large-scale fluid scenes, such as fire in a village, are often simulated by repeatedly rendering multiple fluid flows. In these cases, animators are requested to generate many variations of a fluid flow. Previously,(More)
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