利用X射线底片扫描成像法得到铝合金焊缝图像，再通过图像处理方法即可得到焊接缺陷二值图象。
Processing the aluminum weld image from the scanning of the X ray negative can derive the binary image of the weld defects.
太原哪里有扫描底片的？
本文通过多幅实验底片，阐述了高速摄影狭缝扫描技术在爆炸实验中的研究应用。
Research and applications about the technique of streak record in the explosive test are summarized by some experimental negative in the paper.
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