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中文摘要：
表征材料腐蚀特性除腐蚀速率等数据外，表面腐蚀形貌也是评价耐蚀性能的重要特征之一。材料腐蚀特征根据材料类别的不同而有所区别，主要包括材料外观表面腐蚀斑点、材料表面颜色失光、变色等，以及通过人的视觉可以直接感受到材料腐蚀点的分布、腐蚀点的大小及腐蚀面积。作为一种原位实时的检测方法，图像检测技术在腐蚀科学中的应用得到越来越多的重视。
英文摘要：
This paper examines an analysis method of corrosion surface damage of coating materials by using the digital image processing technology and related theory of colorimetry. The corrosion morphology image acquisition system was established, and was used to capture the corrosion morphology of coating specimens, which were exposed in the field exposure station. To describe the discoloration of corrosion surface damages, the HSV color model was used. The Euclidean distance between uncorroded image and corroded image was extracted as color characteristic parameter. A method for automated identification system of discoloration of corrosion damages was developed based on this analysis, and could be an important step in the direction in corrosion inspection.
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A measurement system based on electrochemical frequency modulation (EFM) technique for monitoring th
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