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Atmospheric absorption is one of the significant factors influencing the atmospheric propagation efficiency of high-power fiber lasers. Based on typical atmospheric environment parameters, the atmospheric absorption (aerosol and atmospheric molecular absorption) of fiber lasers with different linewidths and center wavelengths in a near 1 µm band is numerically calculated.
Abstract In this paper, we propose a self-calibration approach to stereo cameras with radial distortion from stereo image pairs of a common 3D scene. Based on the epipolar constraint in the stereo image pair, the intrinsic and extrinsic parameters of stereo cameras are estimated synchronously with a minimum number of nine image point correspondences. It is significant within a random sample consensus (RANSAC) scheme to cope with the outliers of feature matches efficiently and robustly.
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