透射电镜微观组织图像处理定量分析系统设计

本文基于LabVIEW的图像处理与可视化编程分析模块,建立微观形貌目标测量和微观组织定量分析系统,以拓展软件功能和提高测试分析效率.对于方形和圆形微孔组织形貌像进行灰度变换,对阈值分割图像进行边缘检测和轮廓提取,利用卡钳测量模块对方格尺寸和圆孔直径进行测量并与标准值进行比对,测量误差均在允许误差范围内,证明图像处理与分...

Design of quantitative analysis system for image proce transmission electron microscopy

In this paper, we report a microscopic target measurement and microstructure quantitative analysis system for expanding software functions and improving the efficiency of test analysis, which was developed on the basis of the LabVIEW image processing and visual programming analysis module. Brightness, contract and Gramma of gray scale transformation were performed on square and round profile images;edge detection and contour extraction were completed on the threshold segmented binarized image;the clamp measurement module was used to measure the grid size and diameter, which is then compared with the standard value. The results show the measurement errors are all within the tolerable error range, which proves the accuracy of image processing and analysis. After performing gray scale transformation on the interested region of the particle morphology, Gaussian filtering method was used to enhance the image information. The image was eroded, morphologically processed and reconstructed after threshold segmentation. Then, the characteristic radius of the particle was extracted, and the interested region of each particle was calculated. The area percentage composition of the interested region was retrieved for the quantitative analysis of the microstructure characteristics.