海军航空工程学院学报2016，Vol.31Issue(4)：451-455,5.DOI:10.7682/j.issn.1673-1522.2016.04.008
一种针对多光谱遥感图像的桥梁快速识别算法
A Fast Bridge Recognition Algorithm for Multi-Spectral Remote-Sensing Image
摘要
Abstract
A fast bridge recognition algorithm for multi-spectral remote sensing image was proposed. Firstly, according to the brightness difference between water and background object in different spectral band, the water index was computed to form the water enhanced image. The optimal threshold could be found by searching the enhanced histogram which had ob⁃vious two peaks. Since the present of bridge would result in spectral abnormal in local water regions, a detector was used to extract the potential bridge regions along river centerline. Then the length of bridge and the spatial relationship was used to discard possible false alarms. Experiments were executed on SPOT4 images and the results showed that the method is ef⁃fective and practical for bridge detection.关键词
桥梁识别/多光谱遥感/水体指数/光谱异常/目标鉴别Key words
bridge recognition/multi-spectral remote sensing/water index/spectral abnormal/target discrimination分类
计算机与自动化引用本文复制引用
孙艳丽,周伟,钟佩琳..一种针对多光谱遥感图像的桥梁快速识别算法[J].海军航空工程学院学报,2016,31(4):451-455,5.基金项目
国防预研基金资助项目 （）
