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Issue No.08 - August (2005 vol.27)
pp: 1305-1318
Wenyi Zhao , IEEE
Steve Hsu , IEEE
ABSTRACT
We propose a general framework for aligning continuous (oblique) video onto 3D sensor data. We align a point cloud computed from the video onto the point cloud directly obtained from a 3D sensor. This is in contrast to existing techniques where the 2D images are aligned to a 3D model derived from the 3D sensor data. Using point clouds enables the alignment for scenes full of objects that are difficult to model; for example, trees. To compute 3D point clouds from video, motion stereo is used along with a state-of-the-art algorithm for camera pose estimation. Our experiments with real data demonstrate the advantages of the proposed registration algorithm for texturing models in large-scale semiurban environments. The capability to align video before a 3D model is built from the 3D sensor data offers new practical opportunities for 3D modeling. We introduce a novel modeling-through-registration approach that fuses 3D information from both the 3D sensor and the video. Initial experiments with real data illustrate the potential of the proposed approach.
INDEX TERMS
Index Terms- Alignment, pose estimation, motion stereo, range data, sensor fusion, 3D model and visualization.
CITATION
Wenyi Zhao, David Nister, Steve Hsu, "Alignment of Continuous Video onto 3D Point Clouds", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.27, no. 8, pp. 1305-1318, August 2005, doi:10.1109/TPAMI.2005.152
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