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Extracting a valid boundary representation from a segmented range image

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3 Author(s)
A. Hoover ; Dept. of Comput. Sci. & Eng., Univ. of South Florida, Tampa, FL, USA ; D. Goldgof ; K. W. Bowyer

A new approach is presented for extracting an explicit 3D shape model from a single range image. One novel aspect is that the model represents both observed object surfaces, and surfaces which bound the volume of occluded space. Another novel aspect is that the approach does not require that the range image segmentation be perfect. The low-level segmentation may be such that the model-building process encounters topology versus geometry conflicts. The model-building process is designed to be "fail soft" in the face of such problems. The portion of the 3D model where a problem presents itself is "glued" together in a manner meant to minimize the disturbance in the 3D shape. The goal is to produce a valid boundary-representation which can be processed by higher-level routines. A third novel aspect of this work is that the implementation has been evaluated on over 200 real range images of polyhedral objects, with no operator intervention and all parameters held constant, and obtained a 97% success rate in creating valid b-reps.<>

Published in:

IEEE Transactions on Pattern Analysis and Machine Intelligence  (Volume:17 ,  Issue: 9 )