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Correcting texture mapping errors introduced by graphics hardware

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1 Author(s)
Oliveira, M.M. ; Dept. of Comput. Sci., State Univ. of New York, Stony Brook, NY, USA

Most rendering engines subdivide arbitrary polygons into a collection of triangles, which are then rendered independently of each other. This procedure can introduce severe artifacts when rendering texture-mapped quadrilaterals. These errors result from a fundamental limitation: the impossibility of performing general projective mappings using only the information available at the vertices of a single triangle. Texture mapping involving arbitrary quadrilaterals has practical importance in applications that use real images as textures, such as in image-based modeling and rendering. The paper presents an efficient adaptive-subdivision solution to the problem, which, due to its simplicity, can be easily incorporated into graphics APIs

Published in:

Computer Graphics and Applications, 2001. Proceedings. Ninth Pacific Conference on

Date of Conference: