Visual Basic.net是微软推出的Visual Basic的最新版本,具有强大的图形图像处理功能。本文介绍了基于数字图像处理的用Visual Basic.Net实现金相显微图像检测的编程技术,并应用于对石墨颗粒度及形状表征各项指标的自动定量测量。 关键词:Visual Basic.Net;金相图像;图像测量 Abstract:As the latest version of visual Basic which Microsoft Corporation published,Visual Basic.Net has strong function in image processing. Visual Basic programing technique which based on digital image processing has been introduced in this paper to measure metallography microstructure image ,many parameters of graphite shape and particle size has been auto-measured quantitatively. Keywords: Visual Basic.Net, Metallography Image, Image Measurement