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Error Analysis Of 3d Polygonal Model:A Survey

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Author(s): Devendra Singh Rajput | R Rama Kishore

Journal: International Journal of Computer Science and Engineering Survey
ISSN 0976-3252

Volume: 3;
Issue: 2;
Start page: 39;
Date: 2012;
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Keywords: Error Metrics | Geometry and Attribute error | Analysis | 3D Mesh Quality | Error Analysis Tools.

ABSTRACT
Various applications of computer graphics, (like animation, scientific visualization, and virtual reality) involve the manipulation of geometric models. They are generally represented by triangular meshes due to its wide acceptance to process on rendering systems. The need of realism and high visual fidelity and the latest advances on scanning devices has increased complexity and size of triangular meshes. The original 3D model gets modified because of activities like approximation, transmission, processing and storage etc. Mostly the modification occurs due to simplification approaches which primarily use geometric distance metric as their simplification criteria. But it is hard to measure a small distance error accurately whereas other geometric or appearance error (like high curvature, thin region, color, texture, normals and volumetric) has greater importance. Hence it is essential to understand the applicability of various parameters to evaluate the quality of 3D model. This paper briefly surveys the various errors analysis techniques, error metrics and tools to assess the quality of 3D mesh models.
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