Real-Time Creased Approximate Subdivision Surfaces with Displacements

Denis Kovacs, Jason Mitchell, Shanon Drone, Denis Zorin
Dept. of Comput. Sci., New York Univ., New York, NY, USA
IEEE Transactions on Visualization and Computer Graphics. Vol. 16, no. 5, pp. 742-751, Sep 2010


   title={Real-Time Creased Approximate Subdivision Surfaces with Displacements},

   author={Kovacs, D. and Mitchell, J. and Drone, S. and Zorin, D.},

   journal={Visualization and Computer Graphics, IEEE Transactions on},







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We present an extension of Loop and Schaefer’s approximation of Catmull-Clark surfaces (ACC) for surfaces with creases and corners. We discuss the integration of ACC into Valve’s Source game engine and analyze performance of our implementation.
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