Q: 有个问题想请教一下，上次有个样品，测试气泡，现在客户提出测量精度：单条量产生产条件下的最小气泡直径，这个我要怎么回答呢 我们这图片里面就是可以抓到，1mm直径？单位是什么
A: 因为算法是直接作用于图像的，所以当抓取的气泡的直径大于 5 个像素时，比较稳定，低于 5 个像素时，就会出现波动，可以说直径5个像素是一个比较合理的说法。另外物理尺寸，即 mm，和你的放大倍率有关系，同一个气泡，放大倍率大时，可以抓到，过小时，不容易抓到，甚至都看不到。
结论：FOV固定后，结合放大倍率，用5像素换算出实际尺寸，就是一个项目的能够抓到的，最小气泡的实际尺寸。
Q: 软件的小数点后精度如何设置？
A: 软件可以定义全局缺省精度，单个 ROI 也可以定义自己的精度
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