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Direct Ray Tracing of Phong Tessellation - Ogaki - 2011
https://onlinelibrary.wiley.com/doi/full/10.1111/j.1467-8659.2011.01993.x
Abstract. There are two major ways of calculating ray and parametric surface intersections in rendering. The first is through the use of tessellated triangles, and the second is to use parametric surfaces together with numerical methods such as Newton's method. Both methods are computationally expensive and complicated to implement.
Direct ray tracing of Phong Tessellation - Semantic Scholar
https://www.semanticscholar.org/paper/Direct-ray-tracing-of-Phong-Tessellation-Ogaki/3fba9a22b45b60ab804d41411f70c8b1be28bcc7/figure/1
The first is through the use of micropolygons, and the second is to use parametric surfaces such as NURBS surface together with numerical methods such as Newton Raphson. Both methods are computationally expensive and complicated to implement. In this paper, we introduce a direct ray tracing method for Phong Tessellation.
[PDF] Direct ray tracing of Phong Tessellation | Semantic …
https://www.semanticscholar.org/paper/Direct-ray-tracing-of-Phong-Tessellation-Ogaki/3fba9a22b45b60ab804d41411f70c8b1be28bcc7
This paper introduces a direct ray tracing method for Phong Tessellation that gives analytic solutions that can be readily derived by hand and enables rendering smooth surfaces in a computationally inexpensive yet robust way. There are two major ways of calculating ray and parametric surface intersections in rendering.
Direct Ray Tracing of Phong Tessellation - Ogaki - 2011
https://onlinelibrary.wiley.com/doi/10.1111/j.1467-8659.2011.01993.x
The first is through the use of tessellated triangles, and the second is to use parametric surfaces together with numerical methods such as Newton's method. Both methods are computationally expensive and complicated to implement. In this paper, we focus on Phong Tessellation and introduce a simple direct ray tracing method for Phong Tessellation.
Direct Ray Tracing of Phong Tessellation - Yusuke Tokuyoshi
https://yusuketokuyoshi.com/papers/2011/Direct%20Ray%20Tracing%20of%20Phong%20Tessellation.pdf
3.2. Ray Phong Tessellation Intersection Test Since Phong Tessellation defines a quadratic parametric sur-face, the intersection test can be rearranged into the intersec-tion problem of two quadratic curves. Every ray can be represented as an intersection of two planes, say Plane 1(x;y;z) = D (x;y;z)T + O1 and Plane2(x;y;z) = D2 (x;y;z)T +O2. The intersection X lies
Direct Ray Tracing of Phong Tessellation - SQUARE ENIX
https://www.yumpu.com/en/document/view/29983272/direct-ray-tracing-of-phong-tessellation-square-enix
Direct Ray Tracing of Phong Tessellation. Shinji Ogaki ∗. Square Enix Co., Ltd. Figure 1: From left to right: a low polygon sphere (1024x720 pixels, 3 seconds); a low polygon sphere rendered with our method (1024x720. pixels, 5 seconds); a low polygon head model (800x800 pixels, 8 seconds); a low polygon head model rendered with our method ...
Direct Ray Tracing of Phong Tessellation | Request PDF
https://www.researchgate.net/publication/220506721_Direct_Ray_Tracing_of_Phong_Tessellation
In this paper, we introduce a direct ray tracing method for Phong Tessellation. Our method gives analytic solutions that can be readily derived by hand …
Direct Ray Tracing of Phong Tessellation
https://diglib.eg.org/handle/10.1111/v30i4pp1337-1344
The first is through the use of tessellated triangles, and the second is to use parametric surfaces together with numerical methods such as Newton's method. Both methods are computationally expensive and complicated to implement. In this paper, we focus on Phong Tessellation and introduce a simple direct ray tracing method for Phong Tessellation.
Direct Ray Tracing of Phong Tessellation | Semantic Scholar
https://www.semanticscholar.org/paper/Direct-Ray-Tracing-of-Phong-Tessellation-Ogaki-Tokuyoshi/e4f191fa5793ff01afd9e760e12016b5c4a89a19
This paper focuses on Phong Tessellation and introduces a simple direct ray tracing method for PhongTessellation that enables rendering smooth surfaces in a computationally inexpensive yet robust way. There are two major ways of calculating …
Direct ray tracing of Phong Tessellation | DeepDyve
https://www.deepdyve.com/lp/association-for-computing-machinery/direct-ray-tracing-of-phong-tessellation-GvnXZYk3Yh
Let (u, v, w) be a barycentric coordinate and pi a vertex. Phong Tessellation is given as p (u, v) = (1 ’ )p(u, v) + p http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png http://www.deepdyve.com/lp/association-for-computing-machinery/direct-ray-tracing-of-phong-tessellation-GvnXZYk3Yh
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