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首页> 外文会议>Stereoscopic Displays and Virtual Reality Systems XIV; Proceedings of SPIE-The International Society for Optical Engineering; vol.6490; Electronic Imaging Science and Technology >Real-time photorealistic stereoscopic rendering of fire
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Real-time photorealistic stereoscopic rendering of fire

机译：实时逼真的火立体渲染

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摘要

We propose a method for real-time photorealistic stereo rendering of the natural phenomenon of fire. Applications include the use of virtual reality in fire fighting, military training, and entertainment. Rendering fire in real-time presents a challenge because of the transparency and non-static fluid-like behavior of fire. It is well known that, in general, methods that are effective for monoscopic rendering are not necessarily easily extended to stereo rendering because monoscopic methods often do not provide the depth information necessary to produce the parallax required for binocular disparity in stereoscopic rendering. We investigate the existing techniques used for monoscopic rendering of fire and discuss their suitability for extension to real-time stereo rendering. Methods include the use of precomputed textures, dynamic generation of textures, and rendering models resulting from the approximation of solutions of fluid dynamics equations through the use of ray-tracing algorithms. We have found that in order to attain real-time frame rates, our method based on billboarding is effective. Slicing is used to simulate depth. Texture mapping or 2D images are mapped onto polygons and alpha blending is used to treat transparency. We can use video recordings or pre-rendered high-quality images of fire as textures to attain photorealistic stereo.
机译：我们提出了一种对火的自然现象进行实时逼真的立体渲染的方法。应用程序包括在消防，军事训练和娱乐中使用虚拟现实。由于火灾的透明性和类似非静态流体的行为，因此实时渲染火灾是一个挑战。众所周知，通常，对于单视场渲染有效的方法不一定容易地扩展到立体渲染，因为单视场方法通常不提供产生立体渲染中的双眼视差所需的视差所需的深度信息。我们研究了用于单眼渲染火力的现有技术，并讨论了其适用于扩展到实时立体渲染的技术。方法包括使用预先计算的纹理，纹理的动态生成以及通过使用射线跟踪算法对流体动力学方程的解进行近似而得出的渲染模型。我们发现，为了获得实时帧速率，我们基于广告牌的方法是有效的。切片用于模拟深度。将纹理映射或2D图像映射到多边形上，并使用alpha混合处理透明度。我们可以使用视频记录或预先渲染的高质量火图像作为纹理来获得逼真的立体感。

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