针对机器人焊接中的激光结构光焊缝图像，提出了数学形态学滤波去噪方法。
Aiming at the welding image produced by laser structure light under robotic welding, it introduces a noise filter method based on Mathematical Morphology.
提出用装药区定位、减影，滤波去噪、三值化等图象预处理方法增强图象中的疵病信息；
The processing methods that enhance the image of defective areas in the radiographs , such as charge region fixation , image substraction , image filtration , image trinization , are presented .
通过对测试信号进行分析，发现信号经二级自适应滤波去噪后，可得到更好的检出效果。
It is also found that the better recognition effects can be obtained when the signal's noise was cut off by the two-level adaptive filter.
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