| 基于CASS的Google Earth图像处理及信息提取 |
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| 引用本文： | 郑平元,杨武年,余代俊. 基于CASS的Google Earth图像处理及信息提取[J]. 地理空间信息, 2012, 0(2): 166-167,173 |
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| 作者姓名： | 郑平元 杨武年 余代俊 |
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| 作者单位： | 成都理工大学地球科学学院,四川成都610059 |
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| 基金项目： | 成都理工大学青年科学基金资助项目（2005QJ08） |
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| 摘 要： | Google Earth图像以精度高、直观形象、操作简单和免费使用等特点,深受广大用户的喜爱。以成都理工大学为例,探讨了利用Google Earth图像,结合CASS强大的制图功能,进行图像处理及信息提取的过程;针对GoogleEarth图像上被阴影遮蔽的信息,提出了通过地面少量实测来弥补的解决办法;最后分析了Google Earth产品的优缺点及应用前景。
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| 关 键 词： | Google Earth图像 CASS 图像数字化 信息提取 |
Image Processing and Information Extraction of Google Earth Image Based on CASS |
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| Affiliation: | ZHENG Pingyuan |
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| Abstract: | With high precision,visual pattern,simple operation,free access and so on,Google Earth image is well received by vast users.Taking Chengdu University of Technology for example,the author discussed image processing and information extraction by using Google Earth image and CASS.For how to extract graphical information covered by shadow from Google Earth image,the author put forward a method of combining image measurement and ground measurement.Finally,the author pointed out applicable fields of the method,and analyzed the advantages and disadvantages of Google Earth products and their application prospects. |
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| Keywords: | Google Earth image CASS image digitization information extraction |
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