Abstract
Panoramic stereo spherical vision system can simultaneously realize panoramic stitching and three-dimensional ranging. Its multi-channel image acquisition system is located in 3D space through the mechanical encapsulation. In this paper, an effective calibration method is explored to solve the problem of slight errors generated by the encapsulation structure installation and manufacturing. More importantly, the errors are difficult to measure, which leads the optical axes of lenses are not parallel. This paper uses a fine-tuning method of focused laser spot detection to solve the problem by analyzing the encapsulation structure and imaging model of the system. And its image processing algorithms and calibration process are described. The final experimental results confirm it is indeed feasible to this method.
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