图形图像技术在红外热成像中的应用  

Application of graphic and image technology in infrared thermal imaging

作　　者：张从华[1] 杨勇[1] 刘若凡[1] 张宪亮[1] 石敏[2] 苏红雨[1] 

机构地区：[1]中国测试技术研究院,四川成都610021 [2]无锡市计量测试中心,江苏无锡214101

出　　处：《中国测试》2012年第2期77-80,共4页China Measurement & Test

基　　金：国家科技支撑计划项目(2011BAI02B07);四川省青年科技基金项目(08ZQ026-073)

摘　　要：为分析红外热成像图像的基本特征,测试图像中缺陷的几何尺寸,将图形图像处理中的边缘检测技术和图像增强技术运用到红外图像处理分析中,便于图像客观分析和参数测试。简要介绍了红外热成像的基本原理、图像边缘检测的算子、图像增强方法,并设计了一个金属试件,采用红外加热分析试件的缺陷。图像处理结果表明:边缘检测和图像增强相结合,便于发现缺陷并准确测试缺陷,可为红外图像中的微弱信号的分析提供技术支持。In order to analyze the basic features of infrared thermal images and measure the sizes of their defects,the authors applied the techniques of graphic edge detection and image enhancement to analyze the infrared thermal image,orderly to facilitate image analysis and measure objective scale.This paper briefly presents the basic principles of infrared thermal imaging,image edge detection operator and image enhancement methods.One designed metal specimen is analyzed by using infrared thermal image to detect the defects.The results of the image-processing show that it is easy to find and measure defects accurately through combining edge detection with image enhancement technology,which is to provide technical support for the analysis of the weak signals in the infrared thermal image.

关 键 词：红外热成像 边缘检测 图像增强 图像处理 缺陷 

分 类 号：TN219[电子电信—物理电子学] TP391.413[自动化与计算机技术—计算机应用技术]