Tyson laser module products company, aiming at the characteristics of infrared video, a three-dimensional reconstruction method of monocular infrared video based on direct and sparse visual odometer is proposed.
In this method, the internal parameters of the thermal imager are obtained by the calibration of the infrared camera, and then direct and sparse visual odometer photometric error is optimized by the sliding window and the Gauss-Newton iteration, and all the variables that the direct and sparse visual odometer model needs are calculated.
Finally, the tasks of locating the thermal imager and plotting are fulfilled, experimental results show that the proposed method can achieve the three-dimensional reconstruction of monocular infrared video in real time.
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