关键词: 复合材料, 动态轮廓模型, 维氏显微硬度, 图像

Abstract: Active contour model is an efficient method for contour detection of objects on an image. We segment the impress image of FeAl/ ZrO2 composite with adaptive threshold at first , then capture the contour using active contour model with centripetal force, and get the diagonal of the impress image. At last calculate the hardness of the material. Using this method , we can get the contour of the impress and analyzed the Vickers hardness automatically. Thus we achieve the measurement of the Vickers hardness with great efficiency and automatization.

Key words: composite, active contour model, Vickers microhardness, image