Method for solving camera inner parameters by using dot matrix template and orthogonality
A technology of camera internal parameters and lattice templates, which is applied in the field of computer research and can solve the problems of difficulty in making calibration blocks and inconvenient operation
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[0031] The invention proposes a method for solving the internal parameters of the camera by using the lattice template and the orthogonality. The experimental module adopted in the present invention consists of multiple figure 1 middle A, B, C, D Dot matrix composition. The implementation of the present invention will be described in more detail with an example below.
[0032] Specific steps are as follows:
[0033] The video camera used in the present invention is a CCD digital camera, and the image resolution is 1480×1240. We took 3 images at different orientations.
[0034] (1) Estimate the homography matrix between the template and the image
[0035] Give 9 points on the plane lattice template in the world coordinate system (including figure 1 point in A , B , C , D ) physical coordinates are as follows:
[0036] A (0,0,0), B (0,1,0), (0,2,0);
[0037] C (1,0,0), D (1,1,0), (1,2,0);
[0038] (2,0,0), (2,1,0), (2,2,0);
[0039] Use the function in the Ope...
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