预处理阶段，使用最佳阈值二值化方法和平滑技术处理样本表格图像。
In preprocessing, optimal threshold value method and smooth technology are adopted to process sample form image.
运用计算机图像处理技术对金相图像进行二值化处理后，采用图像跟踪算法可使单个晶粒面积的精确求取变得十分容易。
After that the computer image processing technology is used to carry on binary processing for metallographic image, tracking arithmetic makes accurate calculation of individual grain area very easy.
该系统结合图像采集、二值化预处理等技术，以图像模式识别的方式实现对电视广告的监播。
The system implements television advertisements monitoring in the way of pattern recognition together with image capturing and image binarization technologies.
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