Perl和GD是学习本文的必备软件，您即使有首选的图像处理工具套件，也可以修改本文使用的算法以便在各种环境中高效地执行。
Perl and GD are a must for this article, although if you have a preferred image processing tool suite, you can modify the algorithms used here to perform effectively in any number of environments.
ImageMagick 工具套件、Perl 和 The Gimp 照片图像处理包全都是必备工具。
The ImageMagick tool suite, Perl, and The Gimp photo image-manipulation package are all required.
必备的组件包括：灯源，部件定位，摄相机，光学与控制逻辑，以及图像采集设备，处理软件和技术服务。
Among the essential components: lighting, part positioning, cameras, optics and control logic, as well as image acquisition hardware, processing software, and engineering services.
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