本文叙述锻件检测中使用的数字图像处理方法，并给出了实际操作的步骤。
The method of digital image processing in forge pieces testing was described, and the steps in practice for reference were given.
提出了一种基于CCD光电法和数字图像处理方法自动测量光学系统焦距的新方法。
A kind of new way to measure optical system focal distance automatically is proposed, which is based on CCD optical-electrical method and digital image processing method.
针对三维物体数字全息实验系统的特点，提出了基于多尺度变换的数字图像处理方法。
A set of digital image processing algorithms based on multi-scale transform is proposed according to the characteristics of 3-d digital holography.
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