• IEEE Trans Vis Comput Graph · Jan 2007

    Robust feature classification and editing.

    • Yu-Kun Lai, Qian-Yi Zhou, Shi-Min Hu, Johannes Wallner, and Helmut Pottmann.
    • Department of Computer Science and Technology, Tsinghua University, Beijing, PR China laiyk03@mails.tsinghua.edu.cn
    • IEEE Trans Vis Comput Graph. 2007 Jan 1; 13 (1): 34-45.

    AbstractSharp edges, ridges, valleys, and prongs are critical for the appearance and an accurate representation of a 3D model. In this paper, we propose a novel approach that deals with the global shape of features in a robust way. Based on a remeshing algorithm which delivers an isotropic mesh in a feature-sensitive metric, features are recognized on multiple scales via integral invariants of local neighborhoods. Morphological and smoothing operations are then used for feature region extraction and classification into basic types such as ridges, valleys, and prongs. The resulting representation of feature regions is further used for feature-specific editing operations.

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