7326 search results - page 402 / 1466 » Methods for modalities 3 |
268
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CVPR
2012
IEEE
13 years 9 months ago
2012
IEEE
Many architectural scenes contain symmetric or repeated structures, which can generate erroneous image correspondences during structure from motion (Sfm) computation. Prior work h...
191
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TVCG
2012
13 years 9 months ago
2012
—We propose a novel approach for the reconstruction of urban structures from 3D point clouds with an assumption of Manhattan World (MW) building geometry; i.e., the predominance ...
170
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AAAI
2012
2012
Automatic Targetless Extrinsic Calibration of a 3D Lidar and Camera by Maximizing Mutual Information
13 years 9 months ago
This paper reports on a mutual information (MI) based algorithm for automatic extrinsic calibration of a 3D laser scanner and optical camera system. By using MI as the registratio...
177
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ISBI
2004
IEEE
16 years 7 months ago
2004
IEEE
Three-dimensional rotational angiography (3D-RA) is a relatively new and promising technique for imaging blood vessels. In this paper, we propose a novel 3D-RA vascular segmentati...
169
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CVPR
2001
IEEE
16 years 8 months ago
2001
IEEE
We introduce linear methods for model-based tracking of nonrigid 3D objects and for acquiring such models from video. 3D motions and flexions are calculated directly from image in...