基于遥感影像水体信息提取的改进方法
Modified Water Information Extraction Method Based on Remote Sensing Images

作者: 马鸿旭 * , 郭生练 , 周研来 :武汉大学水资源与水电工程科学国家重点实验室,武汉;

关键词: 水体提取归一化差分植被指数归一化差分水指数卫星影像Water Recognition NDVI NDWI Statelier Images

摘要: 本文分析了单独使用归一化差分植被指数法和归一化差分水指数法所引起的误提取和漏提取,总结了导致错误的原因及规律。耦合了归一化差分植被指数法、归一化差分水指数法和数学形态学理论,并提出了一种水域信息提取的改进方法。以鄱阳湖水域为研究对象,选取2010年3月至2011年12月的HJ-1A时序卫星影像图进行水域信息提取,并采用混淆矩阵对提取结果进行了比较和评价。结果表明:改进的方法比三种常规方法(NDVI,NDWI,监督分类)的水体提取精度平均提高了9.43%。

Abstract: By analyzing the error extracted areas which is caused by using NDWI and NDVI methods indi-vidually, a modified water information extraction method was proposed and tested. The method interconnects the NDWI, NDVI and mathematical morphology methods together. The HJ-1A sequence statelier images in the Poyang Lake during 2010 to 2011 were selected as case study. The water information were recognized and extracted by the modified method and compared with three conventional methods based on confusion matrix. The results show that modified method is more accurate than three conventional methods by improv-ing 9.43% on average.

文章引用: 马鸿旭 , 郭生练 , 周研来 (2013) 基于遥感影像水体信息提取的改进方法。 水资源研究, 2, 127-133. doi: 10.12677/JWRR.2013.22019

参考文献

[1] MCFEETERS, S. K. The use of normalized difference water index (NDWI) in the delineation of open water features. International Journal of Remote Sensing, 1996, 17(7): 1425-1432.

[2] XU, H. Q. Modification of normalized difference water index (NDWI) to enhance open water features in remotely sensed imagery. International Journal of Remote Sensing, 2006, 27(14): 3025-3033.

[3] 曹荣龙, 李存军, 刘良云. 基于水体指数的密云水库面积提取及变化监测[J]. 测绘科学, 2008, 33(2): 158-160. CAO Ronglong, LI Cunjun and LIU Liangyun. Extracting miyun reservoir’s water area and monitoring its change based on a revised normalized different water index. Science of Surveying and Map-ping, 2008, 33(2): 158-160. (in Chinese)

[4] MA, M. Change in area of Ebinur lake during the 1998-2005 period. International Journal of Remote Sensing, 2007, 28(24): 5523-5533.

[5] 翟辉琴. 基于数学形态学的遥感影像水域提取方法[J]. 测绘科学, 2006, 31(1): 22-24. ZHAI Huiqin. Anew algorithm for water area extracting from the remote sensing image based on morphologic method. Science of Surveying and Mapping, 2006, 31(1): 22-24. (in Chinese)

[6] 柯长清. 湖泊遥感研究进展[J]. 海洋湖泊通报, 2004, 23(4): 81-86. KE Changqing. A review of monitoring Lake Environment change by mass of remote sensing. Transactions of Oceanology and Limnology, 2004, 23(4): 81-86. (in Chinese)

[7] 马国明, 宋怡, 王雪梅. 新疆若羌湖泊遥感动态监测研究[J].冰川冻土, 2008, 30(2): 189-195. MA Mingguo, SONG Yi and WANG Xuemei. Dynamically monitoring the lake group in Ruoqiang county, Xinjiang region. Journal of Glaciology and Geocryology, 2008, 30(2): 189-195. (in Chinese)

[8] 吴赛, 张秋文. 基于MODIS遥感数据的水体提取方法及模型研究[J]. 计算机与数字工程, 2005, 22(7): 1-4. WU Sai, ZHANG Qiuwen. Method and model of water body extraction based on remote sensing data of MODIS. Computer and Data Engineering, 2005, 22(7): 1-4. (in Chinese)

[9] JIANG, L., NARAYANAN, R. M. A shape-based approach to change detection of lakes using time series remote sensing images. Transactions on Geosciences and Remote Sensing November, 2003, 41(11): 2466-2477.

分享
Top