Abstract
The Risley-Prism system, which has advantages in large FOV (field of view), high resolution and flexible imaging, faces limitations in image processing speed due to the non-convex characteristics of the FOV. Here, we proposed a simplified FOV model using inscribed rectangle and its property in area size, equivalent resolution and dynamic characteristics are studied, shows high consistency with original FOV. The simulation and experimental results show that the simplified FOV can reduce the calculation time of the total area of multi sub-FOVs from 3500 ms to 7.4 ms, and the image distortion correction time can also be reduced by 88.9%∼96.9%.
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