上海交通大学学报 ›› 2017, Vol. 51 ›› Issue (7): 870-877.
闵海根,赵祥模,徐志刚,张立成,王润民
发布日期:
2017-07-31
基金资助:
Published:
2017-07-31
Supported by:
摘要: 提出一种基于稳健特征点的立体视觉测程法完成机器人自主高精度定位.从可重复性、精确性和效率3个方面比较多种局部不变特征算法性能,采用稳健特征算法AKAZE(AcceleratedKAZE)提取特征点.提出了一个稳定的特征点匹配框架和改进的随机抽样一致性算法(Random Sample Consensus, RANSAC)去除外点,使文中的视觉测程法可以应用于动态环境中.基于几何约束的分步自运动估计可提供相机运动的精确信息.将提出的方法在KITTI(Karlsruhe Institute of Technology and Toyota Technological Institute)数据集上和复杂校园环境中所采集的立体视觉数据集上进行测试,与经典立体视觉测程方法比较,文中的方法更好地抑制了误差累计,运动估计结果满足实时高精度定位系统需求.
中图分类号:
闵海根,赵祥模,徐志刚,张立成,王润民. 基于稳健特征点的立体视觉测程法[J]. 上海交通大学学报, 2017, 51(7): 870-877.
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