摘要
海岸带是人类活动最活跃和开发利用强度最大的区域之一,快速而准确地监测海岸线的动态变化对于海岸带及近岸海域使用管理具有十分重要的意义。卫星遥感技术具有大尺度、全天候、快速、高频度动态观测和低成本等突出优势。综述了基于遥感影像和GIS技术的瞬时水边线自动提取方法的研究进展,重点介绍了阈值分割法、边缘检测法、数学形态学法、神经网络分类、小波变换法、分形理论法等方法自动提取瞬时水边线,分析了各种方法的优缺点,针对其存在的不足展望了今后的研究方向,并探讨了水边线提取技术研究在近海水产养殖增殖中的应用。
Coastal zone is one of the most human activities affected and developed areas.It is of great importance to monitor the dynamic change of coastline rapidly and accurately for the application and management of sea area.Satellite remote sensing has such prominent advantages as macroscopic,full-time,fast,high-frequency and low cost.The progress of research in coastline auto-extraction was summarized based on remote sensing and GIS.Threshold segmentation,edge detection,mathematical morphology,neural network classification,wavelet transform,fractal dimensions were emphasized.Their advantages and disadvantages were analyzed.The future research considerations were suggested based on the present insufficiency and the application of coastline extraction in coastal aquaculture was discussed.
出处
《安徽农业科学》
CAS
2012年第32期15989-15991,共3页
Journal of Anhui Agricultural Sciences
基金
公益性行业(农业)科研专项经费项目(201003068)
中央级公益性科研院所基本科研业务费专项资金项目(2011ZD01)
农业部南海渔业资源环境科学观测实验站开放课题(FRES-201109
FRES-201110)
农业部南海渔业资源开发利用重点实验室开放基金项目(LSF2011-04)
关键词
水边线
遥感
GIS
自动提取
Coastline
Remote sensing image
GIS
Auto-extraction