期刊
30TH IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR 2017)
卷 -, 期 -, 页码 2393-2402出版社
IEEE
DOI: 10.1109/CVPR.2017.257
关键词
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类别
资金
- NSFC [61333015, 61421004, 61632003]
- National Key Technology RD Program [2016YFB0502002]
Structure-from-Motion (SfM) methods can be broadly categorized as incremental or global according to their ways to estimate initial camera poses. While incremental system has advanced in robustness and accuracy, the efficiency remains its key challenge. To solve this problem, global reconstruction system simultaneously estimates all camera poses from the epipolar geometry graph, but it is usually sensitive to outliers. In this work, we propose a new hybrid SfM method to tackle the issues of efficiency, accuracy and robustness in a unified framework. More specifically, we propose an adaptive community-based rotation averaging method first to estimate camera rotations in a global manner. Then, based on these estimated camera rotations, camera centers are computed in an incremental way. Extensive experiments show that our hybrid method performs similarly or better than many of the state-of-theart global SfM approaches, in terms of computational efficiency, while achieves similar reconstruction accuracy and robustness with two other state-of-the-art incremental SfM approaches.
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