Cong Sun, Mengna Jia, Qifeng Yu. Calibration and Epipolar Rectification Methods for Stereo Scheimpflug Cameras[J]. Acta Optica Sinica, 2022, 42(14): 1412002
- Acta Optica Sinica
- Vol. 42, Issue 14, 1412002 (2022)
Fig. 1. Diagram of rotation matrix model imaging of Scheimpflug camera
Fig. 2. Epipolar geometry of stereo Scheimpflug cameras
Fig. 3. Epipolar rectification strategy of stereo Scheimpflug cameras. (a) Stereo Scheimpflug cameras; (b) ordinary stereo cameras; (c) rectified stereo cameras
Fig. 4. Epipolar rectification results of typical stereo Scheimpflug camera. (a) Original stereo image pair; (b) rectified image pair
Fig. 5. Reconstruction results of stereo Scheimpflug cameras for plane targets. (a) Reconstructed 3D checkerboard points and fitted plane; (b) error distribution of reconstructed plane
Fig. 6. Experimental apparatus of stereo-DIC. (a) Setup for three-point bending test; (b) specimen geometry; (c) ROI on specimen surface (rectangle area)
Fig. 7. Specimen surface images obtained by different imaging modes. (a) Traditional camera; (b) Scheimpflug camera
Fig. 8. Performance of stereo-DIC based on Scheimpflug cameras. (a) Comparison of displacement measured value and displacement station output value; (b) error in displacement measurement
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Table 1. Calibration results of stereo Scheimpflug cameras
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