Extracting feature lines from unstructured meshes using a model feature map

Authors:
Soo-Kyun Kim;Chang-Hun Kim
Affiliations:
Department of Computer Science and Engineering, Korea University 1, 5-ka, Anam-Dong, Seongbuk-Gu, Seoul, Korea. Tel.: +82 2 3290 3574/ Fax: +82 2 953 0771/ E-mail: {nicesk, chkim}@korea.ac.kr;Department of Computer Science and Engineering, Korea University 1, 5-ka, Anam-Dong, Seongbuk-Gu, Seoul, Korea. Tel.: +82 2 3290 3574/ Fax: +82 2 953 0771/ E-mail: {nicesk, chkim}@korea.ac.kr
Venue:
Integrated Computer-Aided Engineering
Year:
2006

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Abstract

We propose a new method of extracting feature lines from a 3D scan model. Given an unstructured 3D triangle mesh containing texture information, we use model feature map (MFM), which is a 2D map that abstracts the variation of texture and curvature in the 3D model. The MFM is created from both a texture map and a curvature map, which are produced separately by edge-detection to locate line features. The MFM can be edited interactively using standard image-processing tools. We demonstrate the technique on several data sets, including, but not limited to facial data.