Calibration device and calibration method for joint calibration of laser radar and camera
A lidar and joint calibration technology, applied in image analysis, instruments, calculations, etc., can solve the problems that the calibration device cannot meet the requirements at the same time, the calibration requirements of the lidar and the camera are large and the error is large, and the calibration device and the calibration method are not unified.
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[0047] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0048] The present invention is a calibration device and calibration method for joint calibration of laser radar and camera. The calibration device includes a calibration plate, a hollow tetrahedron baffle and a bracket that simultaneously have depth information and corner point information. The calibration method uses " Fitting interpolation method" is a calibration method to find feature point pairs for joint calibration of lidar and camera.
[0049] Among them, the calibration plate in the calibration device is a rectangular plate with an aspect ratio of 1:2, such as figure 1 As shown, there is a cross mark in the center of the calibration board, and a square with side length L is...
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