用CCD(电荷耦合器件)拍摄远距离目标时,大气湍流使得图像发生畸变,导致CCD无法有效的用于远距离目标的识别与监控。由此该文分析了大气湍流的原理及对图像的主要影响,提出了克服大气湍流影响的有效方法,实验证明,取得较好的效果。
关 键 词 电荷耦合器件; 图像传感; 大气湍流; 图像畸变; 图像校正
Abstract The image will be distorted when we take the object’s picture with CCD at long range because of atmosphere turbulence. We can’t availably recognize and monitor long distance object for this reason. This article explained the theory of atmosphere turbulence and the main affection to image caused by atmosphere turbulence. The solution was given to correct image distortion. The effect of the solution is proved by experiment.
Key words charge coupled device; image sense; atmosphere turbulence; image distortion; correct
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