说明：  Labview是时下非常流行的虚拟仪器设计软件，不仅对于传统的数据采集、数据处理、数据显示有规模强大的控件，而且还包括诸如文本、图形等的控件，利用Labview编程，生成简单的图像，并做简单的灰度图变换，经验证该程序正确，可应用于教学中。
(The Labview is very popular nowadays virtual instrument design software, not only to the traditional data acquisition, data processing, data shows that there is scale Powerful control, but also include such as text, graphics, using the control Labview programming, generating simple image, and doing simple grayness transform, This program is correct, experience card can be used in teaching. )