Abstract

According to the depth estimation of the Zooming images, the technology about the calibration of the optical center displacements of different focus is studied by combining the zooming camera features and the general methods of camera calibration. The thick lens model is proposed, and the external parameters of different focus are calibrated by using the method of plane templates. The experiment which is based on many groups of images shows that thick lens model is better in describing the camera zooming lens, the resulting optical center displacement can be used in the later depth estimation.

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