Bin Jiang, Xiangliang Jin. Improved Correction Algorithm for Harmonic- and Intensity-Related Errors in Time-of-Flight Cameras[J]. Acta Optica Sinica, 2020, 40(1): 0111024
- Acta Optica Sinica
- Vol. 40, Issue 1, 0111024 (2020)
Fig. 1. Signal processing of TOF cameras
Fig. 2. Cubic B-spline fitting curve in depth error fitting surface
Fig. 3. Harmonic- and intensity-related errors measured by TOF simulation ranging camera. (a) Harmonic-related error; (b) intensity-related errors for different reflectivity targets
Fig. 5. Depth error of plates with different reflectivity, respectively corrected by the two models at the same depth. (a) 1.8 m; (b) 2.9 m; (c) 4.1 m; (d) 5.5 m
Fig. 6. Actual position depth images of face. (a) 3D depth image; (b) depth color image
Fig. 7. Light intensity image and depth color image measured by TOF camera. (a) Measured light intensity image; (b) measured depth image
Fig. 8. Depth images corrected by the two models. (a) Traditional model; (b) improved model
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Table 1. Partial raw depth deviation data measured by TOF camera in related references[5-6,22
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Table 2. Average correction error and standard deviation of two models under the same reflectance
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