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- W2070177772 abstract "In this paper we provide a very simple, yet efficient, scheme for modeling volume boundaries using patches which are B-spline surfaces. Given a noisy three dimensional cloud of points, we use constrained minimization using B-splines as basis functions to smooth the data and create a three dimensional model of the surface of the object. Such a method is useful for representing complete free-form surface models of objects. Instead of fitting one B-spline surface to the complete data set, the data is segmented into smaller sub-clouds that are single valued in a local frame of reference. This work builds upon our earlier work on surface fitting in a rectangular domain, and extends it to arbitrary domains. We divide the problem into three stages: (1) segmentation of the sensor data from 3-D world coordinates into data patches, (2) approximation of the data in this space to create B-spline surface patches, and (3) reconversion into the world coordinate system. We also describe a complete system, Surfacer, built around these ideas which includes a comprehensive set of tools to manipulate point sets and surfaces in a CAD framework." @default.
- W2070177772 created "2016-06-24" @default.
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- W2070177772 date "1993-06-23" @default.
- W2070177772 modified "2023-09-23" @default.
- W2070177772 title "<title>Single valuedness, parameterization, and approximating 3D surfaces using B-splines</title>" @default.
- W2070177772 doi "https://doi.org/10.1117/12.146625" @default.
- W2070177772 hasPublicationYear "1993" @default.
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