... 托盘天平platform balance 指针刻度表pointer and scale 游码crossbeams and sliding weights ...
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It introduces a automatic alignment method between analog pointer meter's pointer and scale to replace the artificial alignment method with image processing technology.
介绍了一种用图像处理技术实现模拟指针表指针和刻度自动对准代替人工对准的方法。
The image subtracting method and the point to arc projection extremum algorithm can derive the pointer and scale marks quickly, and separate the long and short graduation line.
基于差分图像确定投影原点的点弧线投影极值新算法，可快速获取仪表指针和分度线参数，且能区分分度线长短。
Read the pressure value, observation table pointer corresponding to the scale values and their relative units of value.
读取压力数值时， 观察表上指针对应的刻度值加上其相对的单位值即可。
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