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arXiv 1107.0399cs.CVcs.AI
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基于视觉的导航I:用于融合DTM/对应更新的导航过滤器

Vision-Based Navigation I: A navigation filter for fusing DTM/correspondence updates

Transas group of companies(Transas集团公司)

Oleg Kupervasser, Vladimir Voronov

摘要:

提出了一种利用图像和数字地形图中的相应特征进行姿态和运动估计的算法。使用数字地形(或数字高程)地图(DTM/DEM)作为全局参考,可以恢复相机的绝对位置和方向。为了做到这一点,DTM被用来制定两个连续帧中的相应特征之间的约束。数据的利用被示出以提高惯性导航算法的鲁棒性和精度。采用扩展卡尔曼滤波器将惯性导航算法和所提出的基于视觉的导航算法的结果结合起来。通过数值仿真验证了该算法的可行性。

英文摘要:

An algorithm for pose and motion estimation using corresponding features in images and a digital terrain map is proposed. Using a Digital Terrain (or Digital Elevation) Map (DTM/DEM) as a global reference enables recovering the absolute position and orientation of the camera. In order to do this, the DTM is used to formulate a constraint between corresponding features in two consecutive frames. The utilization of data is shown to improve the robustness and accuracy of the inertial navigation algorithm. Extended Kalman filter was used to combine results of inertial navigation algorithm and proposed vision-based navigation algorithm. The feasibility of this algorithms is established through numerical simulations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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