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首页> 外文期刊>Wireless personal communications: An Internaional Journal >Single and Double Reference Points Based High Precision 3D Indoor Positioning with Camera and Orientation-Sensor on Smart Phone
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Single and Double Reference Points Based High Precision 3D Indoor Positioning with Camera and Orientation-Sensor on Smart Phone

机译：智能手机上带有摄像头和方向传感器的基于单参考点和双参考点的高精度3D室内定位

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摘要

This paper proposes a high precision 3D indoor positioning method, which depends on one or two reference points in scene and camera and orientation-sensor on smart phone. The proposed method has the merits of implementing simplicity, high accuracy, friendly availability and low cost. The proposed method adopts only single or double reference points and camera imaging model for camera calibrating and 3D positioning. Classical camera calibration method uses a set of reference points, but the proposed camera calibration method is easier to implement. Traditional computer vision based positioning method, P3P, utilizes at least three points and has multiple solutions. The proposed positioning method is equal to P2P or P1P, but is faster and has unique solution. The proposed method achieves the high 3D positioning precision at the level less than 30 cm. The proposed method employs smart phone as hardware and software carrier, which is more usable than other methods. In a word, the proposed method is very suitable for low-cost and high precision 3D indoor positioning.
机译：本文提出了一种高精度的3D室内定位方法，该方法依赖于场景中的一两个参考点以及智能手机上的摄像头和方向传感器。所提出的方法具有实现简单，精度高，可用性好，成本低的优点。所提出的方法仅采用单参考点或双参考点以及相机成像模型进行相机校准和3D定位。经典的相机校准方法使用一组参考点，但是所提出的相机校准方法更易于实现。传统的基于计算机视觉的定位方法P3P至少利用了三个点，并具有多种解决方案。所提出的定位方法等于P2P或P1P，但是速度更快并且具有独特的解决方案。所提出的方法在小于30 cm的水平上实现了很高的3D定位精度。所提出的方法采用智能手机作为硬件和软件载体，比其他方法更有用。简而言之，该方法非常适合低成本，高精度3D室内定位。

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