GPU Based Algorithm for Estimating Curvatures (GPU 기반 곡률 추정 알고리즘)

SUN-JEONG KIM (김선정)

GPU Based Algorithm for Estimating Curvatures

Journal of Knowledge Information Technology and Systems
Abbr : JKITS
2013, 8(1), pp.39-46
Publisher : Korea Knowledge Information Technology Society
Research Area : Interdisciplinary Studies > Interdisciplinary Research
Published : February 28, 2013

SUN-JEONG KIM ¹

¹한림대학교

Accredited

ABSTRACT

This paper proposes the GPU (Graphics Processing Unit) based algorithm for estimating curvatures which is one of properties of the shape of 3D objects. In geometric modeling, curvatures are very useful metrics for mesh simplification, mesh segmentation, and so on. Nowadays the advanced techniques for computer graphics let many applications use huge amounts of graphic data, so that the computing time for estimating curvatures of such a huge graphic object becomes to increase. If an application which requires real-time estimation of curvatures will perform the computation in the CPU with the main memory where are all geometry information of a 3D object, it must make the system to slow down. In this paper, to decrease the computing time for estimating curvatures, some crucial computing parts for each vertex are implemented in the GPU using CUDA (Compute Unified Device Architecture). The results show that the proposed algorithm is definitely faster than previous methods.

KEYWORDS

Curvatures, Differential Geometry, MLS(Moving Least Squares), GPU(Graphics Processing Unit) Programming, CUDA(Compute Unified Device Architecture)

Citation status

* References for papers published after 2023 are currently being built.

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This paper was written with support from the National Research Foundation of Korea.

KJCKorea
Journal Central

Journal of Knowledge Information Technology and Systems 2023 KCI Impact Factor : 0.89