弹道相机图像分析系统与普通扫描仪精确标定

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研制该系统的目的是对弹道干板进行数字化、高精度、高自动化的判读 ,代替传统上低效率的人工判读方法。该系统使用普通平板扫描仪将弹道相机拍摄到的干板图像进行数字化并对扫描图像进行高精度的标定和修正 ,再利用数字图像处理技术对干板图像进行分析判读。着重叙述了用分布于待测图像四周的标准正交网络对包括待测图像在内的全场进行标定和修正的方法及实验结果。经过本方法标定和修正后 ,扫描图像几何标准偏差在2~ 3μm以内。该判读系统及所用到的扫描仪标定方法 ,实现了弹道干板的数字化、自动化的高精度判读 ,使普通扫描仪
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