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Direct NURBS Ray Tracing - YouTube
https://www.youtube.com/watch?v=-gGX1GP_d78
A short presentation of NUMENUS direct NURBS technology. This unique piece of software allows for the very fast visualization of NURBS surfaces without any k...
(PDF) Direct and fast ray tracing of NURBS surfaces
https://www.researchgate.net/publication/232644373_Direct_and_fast_ray_tracing_of_NURBS_surfaces
with ray tracing it is generally possible to use any geometry with which a ray intersection can be computed. Nevertheless, most ray tracing systems also handle only triangles as their geometric...
Direct and Fast Ray Tracing of NURBS Surfaces | IEEE ...
https://ieeexplore.ieee.org/document/4061558/
Recently it has been shown that Bezier surfaces can be used as a geometric primitive for interactive ray tracing on a single commodity PC. However, the Bezier representation is restricted, as a large number of control points also imply a high polynomial degree, thus reducing the frame rate significantly. In this work we present a fast, efficient and robust …
[PDF] Direct and Fast Ray Tracing of NURBS Surfaces ...
https://www.semanticscholar.org/paper/Direct-and-Fast-Ray-Tracing-of-NURBS-Surfaces-Abert-Geimer/958e9bc11f07badda0258c9fc9081704d3185da5
A new method for accelerating ray tracing of scenes containing NURBS (Non Uniform Rational B-Spline) surfaces by exploiting the GPU’s fast z-buffer rasterization for regular triangle meshes and achieves a rendering acceleration of up to 95% for primary rays compared to full CPU ray tracing without compromising image quality. 2 PDF
Direct and Fast Ray Tracing of NURBS Surfaces
https://www.researchgate.net/profile/Oliver-Abert/publication/232644373_Direct_and_fast_ray_tracing_of_NURBS_surfaces/links/0c960522794d82df36000000/Direct-and-fast-ray-tracing-of-NURBS-surfaces.pdf
Direct and Fast Ray Tracing of NURBS Surfaces Oliver Abert∗ Universit¨at Koblenz-Landau Markus Geimer† Forschungszentrum Ju¨lich Stefan Mu¨ller‡ Universit¨at Koblenz-Landau
Direct and Fast Ray Tracing of NURBS Surfaces
https://www.infona.pl/resource/bwmeta1.element.ieee-art-000004061558
Recently it has been shown that Bezier surfaces can be used as a geometric primitive for interactive ray tracing on a single commodity PC. However, the Bezier representation is restricted, as a large number of control points also imply a high polynomial degree, thus reducing the frame rate significantly. In this work we present a fast, efficient and robust algorithm to ray trace …
Practical Ray Tracing of Trimmed NURBS Surfaces
https://www.cs.utah.edu/gdc/publications/papers/raynurbs.pdf
The direct use of untessellated NURBS is desirable because tessellated models increase memory use which can be detrimental to runtime efficiency on modern architectures. In addition, tessellating models can result ... Ray tracing a NURBS surface proceeds in a series of steps. As a preprocess, the control mesh is flattened using refinement. ...
[PDF] An Efficient Approach to Direct NURBS Surface ...
https://www.semanticscholar.org/paper/An-Efficient-Approach-to-Direct-NURBS-Surface-for-Sisojevs-Glazs/41e467a30d74a361577ae21d804999c6a757c7f4
Ray tracing is a popular method for generating high quality images. NURBS surface is a popular tool for 3D modeling. There are different approaches to NURBS surface visualization by ray tracing methods. But these methods of computer graphics do not solve this task at an expected level. Therefore in this paper the authors propose to use a new effective approach for NURBS …
A new method for speeding up ray tracing NURBS …
https://www.sciencedirect.com/science/article/pii/S0097849397872639
Formula equation (6) as well as equation (5) accelerates the convergence of the sequence x (`), i=0, 0 741) 74 (0) 0 ) 1+ 1) Pr +1 ) 7"a Speeding up ray tracing NURBS su-faces 579 1, ... , toward x. It is well shown that combining Newton iteration and polynomial extrapolation is an extremely powerful and efficient way to solve a nonlinear equation.
Direct and Fast Ray Tracing of NURBS Surfaces - [scite report]
https://scite.ai/reports/direct-and-fast-ray-tracing-zQpWeE
Mentioning: 22 - Direct and Fast Ray Tracing of NURBS Surfaces - Markus Geimer, Oliver Abert, Stefan Müller. Product. ... Blog. 2006 IEEE Symposium on Interactive Ray Tracing. 2006. DOI: 10.1109/rt.2006.280227. View full text | | Share. Direct and Fast Ray Tracing of NURBS Surfaces. Oliver Abert 1, Markus Geimer. 2, Stefan Müller. 3. Search ...
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