A 3D Coordinate Location Method Based on Single Camera

In order to measure the key points space location information of object, put forward a kind of 3D coordinates measurement method based on single camera. The object to be measured by single camera, and the image information contains the key points of object. The image information is transferred into the software for processing. Based on collinear equation principle, by using the quaternion for calculating space resection, the 3D information of points will be gained. The experimental results show that, this method possesses advantages of simple measurement process, high calculation speed and precision and reliable outcomes.