Globally Optimal Inlier Set Maximization for Atlanta Frame Estimation

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In this work, we describe man-made structures via an appropriate structure assumption, called Atlanta world, which contains a vertical direction (typically the gravity direction) and a set of horizontal directions orthogonal to the vertical direction. Contrary to the commonly used Manhattan world assumption, the horizontal directions in Atlanta world are not necessarily orthogonal to each other. While Atlanta world permits to encompass a wider range of scenes, this makes the solution space larger and the problem more challenging. Given a set of inputs, such as lines in a calibrated image or surface normals, we propose the first globally optimal method of inlier set maximization for Atlanta direction estimation. We define a novel search space for Atlanta world, as well as its parameterization, and solve this challenging problem by a branch-and-bound framework. Experimental results with synthetic and real-world datasets have successfully confirmed the validity of our approach.
Publisher
IEEE Computer Society and the Computer Vision Foundation (CVF)
Issue Date
2018-06-20
Language
English
Citation

31st IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), pp.5726 - 5734

DOI
10.1109/CVPR.2018.00600
URI
http://hdl.handle.net/10203/248011
Appears in Collection
EE-Conference Papers(학술회의논문)GCT-Conference Papers(학술회의논문)
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