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测绘学报  2015 

地形开度和差值图像阈值分割原理相结合的黄土高原沟沿线提取法

DOI: 10.11947/j.AGCS.2015.20130524, PP. 67-75

Keywords: 黄土高原,高分辨率DEM,地形开度,正负地形,沟沿线

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Abstract:

鉴于地形正负开度对地貌的良好表达且具有分析尺度灵活性这一重要特性,本文提出一种借助地形正负开度及其差值图像阈值分割的黄土地貌沟沿线提取方法.首先,计算DEM的地形正负开度,对正负开度进行差值运算以得到开度差值图;然后,对开度差值图进行阈值处理以得到研究区正负地形空间分布特征;最后,借助数学形态学原理完成对二值化开度差值图正负地形边界——沟沿线的自动提取.试验采用高分辨率DEM数据对陕西洛川塬部分地区进行沟沿线信息提取.结果表明,与其他提取技术方法相比,该方法不仅增强了地貌基本形态特征在沟沿线提取过程中的作用与影响,同时也在一定程度上实现了沟沿线提取的精确化和自动化.

References

[1]  ZHANG Lei, TANG Guoan, LI Fayuan,et al. A Review on Research of Loess Shoulder-line[J]. Geography and Geo-Information Science, 2012,28(6): 44-48. (张磊,汤国安,李发源,等.黄土地貌沟沿线研究综述[J].地理与地理信息科学, 2012, 28(6):44-48.)
[2]  XIAO Chenchao, TANG Guoan. Classification of Valley Shoulder Line in Loess Relief[J]. Arid Land Geography, 2007, 30(5): 646-653. (肖晨超,汤国安.黄土地貌沟沿线类型划分[J].干旱区地理,2007, 30(5): 646-653.)
[3]  Lü Guonian, QIAN Yadong, CHEN Zhongming. Study of Automated Extraction of Shoulder Line of Valley from Grid Digital Elevation Data[J]. Scientia Geographica Sinica, 1998, 18(6): 567-573. (闾国年,钱亚东,陈钟明.基于栅格数字高程模型自动提取黄土地貌沟沿线技术研究[J].地理科学, 1998, 18(6): 567-573.)
[4]  YANG Xin, TANG Guoan, LIU Xuejun, et al. Digital Terrain Analysis: Theory, Method and Applicatin[J].Acta Geographica Sinica, 2009,64(9):1058-1070.(杨昕,汤国安,刘学军,等.数字地形分析的理论、方法与应用[J].地理学报,2009,64(9):1058-1070.)
[5]  Lü Guonian, QIAN Yadong, CHEN Zhongming. Study of Automated Mapping of Channel Network in Hilly Loess Region[J]. Acta Geodaetica et Cartographica Sinica, 1998, 27(2): 131-137. (闾国年,钱亚东,陈钟明.黄土丘陵沟壑区沟谷网络自动制图技术研究[J].测绘学报, 1998, 27(2): 131-137.)
[6]  ZHU Hongchun, TANG Guoan, ZHANG Youshun,et al. Thalweg in Loess Hil Area Based on DEM[J]. Bulletin of Soil and Water Conservation, 2003, 23(5): 43-45. (朱红春,汤国安,张友顺,等.基于DEM提取黄土丘陵区沟沿线[J]. 水土保持通报, 2003, 23(5): 43-45.)
[7]  LIU Pengju, ZHU Qingke, WU Dongliang,et al. Automated Extraction of Shoulder Line of Valleys Based on Flow Paths from Grid Elevation Model(DEM) Data[J].Journal of Beijing Forest University,2006,28(4):72-76.(刘鹏举,朱清科,吴东亮,等.基于栅格DEM与水流路径的黄土区沟缘线自动提取技术研究[J].北京林业大学学报, 2006,28(4):72-76.)
[8]  ZHOU Yi, TANG Guoan, WANG Chun,et al. Automatic Segmentation of Loess Positive and Negative Terrians Based on High Resolution Grid DEMs[J]. Scientia Geographica Sinica, 2010, 30(2): 261-266. (周毅,汤国安,王春,等.基于高分辨率DEM的黄土地貌正负地形自动分割技术研究[J].地理科学,2010,30(2):261-266.)
[9]  ZHOU Yi, TANG Guoan, XI Yu,et al. A Shoulder-lines Connection Algorithm Using Improved Snake Model[J]. Geomatics and Information Science of Wuhan University, 2013, 38(1): 82-85. (周毅,汤国安,习羽,等.引入改进Snake模型的黄土地形沟沿线连接算法[J]. 武汉大学学报:信息科学版, 2013, 38(1):82-85.)
[10]  YAN Shijiang, TANG Guoan, LI Fayuan,et al. An Edge Detection Based Method for Extraction of Loess Shoulder-line from Grid DEM[J]. Geomatics and Information Science of Wuhan University, 2011, 36(3): 363-367. (晏实江,汤国安,李发源,等.利用DEM边缘检测进行黄土地貌沟沿线自动提取[J].武汉大学学报:信息科学版,2011,36(3):363-367.)
[11]  SONG Xiaodong, TANG Guoan, ZHOU Yi,et al.Extraction of Loess Landform Shoulder Line Based on Parallel GVF Snake Model[J]. Journal of China University of Mining & Technology, 2013, 42(1): 134-140. (宋效东,汤国安,周毅,等.基于并行GVF Snake模型的黄土地貌沟沿线提取[J].中国矿业大学学报,2013,42(1): 134-140.)
[12]  LIU Xuejun, ZHANG Ping, ZHU Ying. Suitable Window Size of Terrain Parameters Derived from Grid-based DEM[J]. Acta Geodaetica et Cartographic Sinica, 2009, 38(3):264-271. (刘学军, 张平, 朱莹. DEM坡度计算的适宜窗口分析[J]. 测绘学报, 2009, 38(3):264-271.)
[13]  ZHU Axing, JAMES E B, MICHAEL S. et al.The Impact of Neighbourhood Size on Terrain Derivatives and Digital Soil Mapping[C]//Advances in Digital Terrain Analysis.[S.l.]:Springer Press, 2008:333-348.
[14]  TANG Guoan, YANG Weiying, YANG Xin, et al. Some Key Points in Terrain Variables Deriving from DEMs[J]. Science of Surveying and Mapping, 2003, 28(1): 28-32. (汤国安,杨玮莹,杨昕,等.对DEM地形定量因子挖掘中若干问题的探讨[J].测绘科学,2003,28(1):28-32.)
[15]  YOKOYAMA R, SHIRASAWA M, PIKE R J. Visualizing Topography by Openness:A New Application of Image Processing to Digital Elevation Models[J]. Photogrammetric Engineering and Remote Sensing, 2002, 68(3):257-265.
[16]  WANG Cheng.Characterization Classification and Identification of Martian Specific Landform Characters[D]. Wuhan:Wuhan University, 2009. (王琤.火星典型地貌特征知识的描述分类与识别[D].武汉:武汉大学,2009.)
[17]  WANG Cheng, HU Peng, LIU Xiaohang,et al. Automated Classification of Martian Landforms Based on Digital Terrain Analysis(DTA) Technology[J]. Geomatics and Information Science of Wuhan University, 2009, 34(4): 483-487. (王琤,胡鹏,刘晓航,等.基于数字地形分析的火星地貌自动化分类方法[J].武汉大学学报:信息科学版,2009,34(4):483-487.)
[18]  PRIMA O D, ECHIGO A, YOKOYAMA R,et al.Supervised Landform Classification of Northeast Honshu from DEM-derived Thematic Maps[J]. Geomorphology, 2006, 78:373-386.
[19]  PRIMAO D, YOSHIDA T. Characterization of Volcanic Geomorphology and Geology by Slope and Topographic Openness[J]. Geomorphology, 2010, 118:22-32.
[20]  ZHOU Yi. DEM Based Research on Positive-negative Terrains and Their Spatial Variation on Loess Plateau[D]. Nanjing: Nanjing Normal University, 2011. (周毅.基于DEM的黄土高原正负地形及空间分异研究[D].南京:南京师范大学,2011.)
[21]  EVANS I S.Spatial Analysis in Geomorphology[M].Methuen:[s.n.], 1972:17-90.
[22]  DRAGUT L,EISANK C,STRASSER T.Local Variance for Multi-scale Analysis in Geomorphometry[J]. Geomorphology,2011,130:162-172.
[23]  TANG Guoan, LIU Xuejun, FANG Liang,et al. A Review on the Scale Issue in DEMs and Digital Terrain Analysis[J]. Geomatics and Information Science of Wuhan University, 2006, 31(12): 1059-1066. (汤国安, 刘学军, 房亮,等. DEM及数字地形分析中尺度问题研究综述[J]. 武汉大学学报:信息科学版, 2006, 31(12):1059-1066.)
[24]  XIAO Chenchao. DEM Based Investigation of Loess Shoulder Line[D]. Nanjing: Nanjing Normal University, 2007 (肖晨超. 基于DEM的黄土地貌沟沿线特征研究[D]. 南京:南京师范大学, 2007.)
[25]  RAFAEL G, RICHARD W. Digital Image Processing[M]. 3rd ed. Beijing: Publishing House of Electronics Industry, 2011. (冈萨雷斯. 数字图像处理[M].第3版.北京:电子工业出版社, 2011.)
[26]  TANG Guoan, GONG Jianya, CHEN Zhengjiang,et al. A Simulation on the Accuracy of DEM Terrain in Representation[J]. Acta Geodaetica et Cartographica Sinica, 2001,30(4):361-365. (汤国安,龚健雅,陈正江,等.数字高程模型地形描述精度量化模拟研究[J].测绘学报,2001,30(4):361-365.)

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