Abstract
A global calibration method based on combined 3D target is proposed to solve the calibration problem of two sensors vision system without common view field. The combined 3D target is consisted of two planar targets, which are placed freely according to the sensors' positions. By translating the 3D target properly, the closed-form solution of the transformation from one local camera coordinate frame to another local camera coordinate frame can be computed using the equality of each planar target's translating vector. Simulation results demonstrate high accuracy of proposed calibration method. The proposed method simplifies the global calibration process, and only needs to combine several planar targets to carry out the global calibration.
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