Segmentation and Surface Fitting in Reverse Engineering
Tamás Várady,Pál Benkö,Géza Kós,Gábor Renner,Volker Weiß +4 more
- 09 Nov 1998
- pp 167-172
TL;DR: Various techniques to segment point clouds, which represent ‘regular’ or ‘free-form’ objects, are described, which are based on the logical separation of primary surfaces and feature elements.
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Abstract: After a general overview on reverse engineering, various techniques to segment point clouds, which represent ‘regular’ or ‘free-form’ objects are described. More details are given on the so-called functional decomposition approach, which is based on the logical separation of primary surfaces and feature elements.
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Citations
Advanced surface fitting techniques
TL;DR: Main results include algorithms to compute a good initial parametrisation, a fitting strategy to maintain tight tolerances and smoothness simultaneously, to handle weakly defined control points and a shape dependent knot refinement procedure.
199
•Book
Reverse engineering regular objects: simple segmentation and surface fitting procedures. (Research report of Geometric Modelling Laboratory, GML 1997/3.)
Tamás Várady,Pál Benkő,Géza Kós +2 more
- 01 Jan 1997
TL;DR: A non-iterative algorithm for direct segmentation is presented, where well-known techniques from computer vision are combined with new procedures for processing point and normal vector data, based on laser scanned point clouds with relatively high density and high accuracy.
31
Feature based retargeting of parameterized geometry
Karan Singh,H.K. Pedersen,V. Krishnamurthy +2 more
- 27 Sep 2004
TL;DR: An approach for mapping layouts of parametric surface patches to a target 3D geometry using a use of constrained optimization for the fairing of structured surface grids, where grid points can be unconstrained in 3D or constrained to lie within the parameter space of curves, surfaces, or other geometry.
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Olivier Faugeras
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TL;DR: A mass wave soldering system is described in which a standing wave of molten solder is formed from a static head of solder.
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Reverse engineering of geometric models—an introduction
TL;DR: Specific issues addressed include characterization of geometric models and related surface representations, segmentation and surface fitting for simple and free-form shapes, multiple view combination and creating consistent and accurate B-rep models.
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Segmentation through variable-order surface fitting
Paul J. Besl,Ramesh Jain +1 more
TL;DR: A piecewise-smooth surface model for image data that possesses surface coherence properties is used to develop an algorithm that simultaneously segments a large class of images into regions of arbitrary shape and approximates image data with bivariate functions so that it is possible to compute a complete, noiseless image reconstruction based on the extracted functions and regions.
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