Laser range finder calibration method for three-dimensional measurement
A technology of a laser rangefinder and a calibration method, which is applied to measurement devices, instruments, etc., can solve the problems of difficult imaging and processing of laser spots.
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[0028] The invention provides a laser rangefinder calibration method that can be used for three-dimensional measurement in harsh environments. The present invention will be further described below in conjunction with the drawings and specific embodiments.
[0029] (1) Install the camera and laser rangefinder on the same rotating platform of the two-dimensional turntable to form a camera-laser rangefinder combined system, and place it in a good measurement environment. Adjust the laser axis and camera of the laser rangefinder during installation The optical axis is approximately parallel to ensure that the laser spot is in the camera's field of view. After the installation is completed, the relative position of the camera and the laser rangefinder must be kept fixed;
[0030] (2) Place the laser spot receiving target plane in front of the camera-laser rangefinder combined system constructed in step (1), so that the laser spot of the laser rangefinder is projected onto the laser spot...
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