This paper presents a flexible camera lens calibration method that does not require a precisely moving calibration target; the method presented also performs pixel-wise calibration that can consider lens manufacturing artifacts that do not follow standard lens distortion models.
This paper presents a novel method that can accurately calibrate structured light system requiring only one directional structured patterns. This method leverages the existing flexible camera calibration to extract each calibration pose for three-dimensional coordinate determination for each pixel, and then establish pixel-wise relationship between each coordinate and phase. The phase artifacts caused by high-contrast calibration target was addressed to eliminate its impact on the calibration. Comparing with the traditional structured light system calibration method that requires two directional fringe patterns, our method requires only one single directional fringe patterns yet achieves 6.6 times higher accuracy for flat surface measurements. (Published Abstract Provided)
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