This paper describes three floatingthreshold techniques with adaptive dependence for the binarization of X-ray images of welding seams.
为满足焊缝x射线图象二值化的需要，本文提出了三种自适应相关浮动门限技术。
2
The paper puts the stress on the characteristics, realizing method of multi-threshold and floatingthreshold methods, and the experimental results of the floatingthreshold.
重点介绍多重门限法和浮动门限法的特点、实现方法以及浮动门限法的试验结果。
3
Measures, such as the floating of threshold, braking by positive sequence current, driving up the threshold during power swing, etc are suggested to prevent th.