短焦距摄像机镜头一般都存在比较严重的光学畸变。
There are bad optical aberration in the camera lens of short focus.
该文首先从短焦距镜头和给定c CD成像阵列的成像特性出发，分析了实现亚像元成像与定位的必要性。
Based on the characteristics of short focus lens and CCD array, the necessity of sub-pixel imaging and location is analyzed.
从光学测量角度出发，结合计算机视觉中的摄像机标定方法，解决了大视场短焦距镜头CCD摄像系统的畸变校正问题。
According to the principle of optical measurement, a simple and effective method to measure the distortion of CCD camera with a largefield, short focal length lens is presented.
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