通过让机器具有某种可视的能力，制造商们获得了一种有力的质量控制工具。机器视觉(machinevision)系统可捕获图像并可以测量一件产品的尺寸、位置和颜色、零部件的位置或者其它的关键特性，从而在无人看管的情况下提供快速“通过/未通过”判断。-Through the let the machine has some kind of visual ability, manufacturers have a powerful quality control tool. Machine vision (machinevision) system can capture images and can measure a product size, location and color, parts of the position or other key characteristics, thus in the unattended providing fast "through the/not through the" judgment.