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The topographic maps repair measurement techniques

Author: MaoTuanZhi
Tutor: ZhangBaoMing
School: PLA Information Engineering University
Course: Photogrammetry and Remote Sensing
Keywords: Topographic map revision Semi-automatic acquisition Automated detection Attribute data checks Generalized Hough Transform Fourier descriptors Visualization
CLC: P231.5
Type: Master's thesis
Year: 2004
Downloads: 180
Quote: 5
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Abstract


Construction and other production activities and natural changes affect on the topographic map content with the status quo on the ground deviation will gradually become larger . It is to keep its now the potential of great significance to study how to achieve a quick update on the topographic map . In this paper, the development of topographic map revision system analysis and feature data acquisition and detection technology , mainly the following aspects : ( 1 ) summarizes the analysis of the basic technology of the topographic map revision , introduced topographic maps resurvey of the main processes and methods . ( 2 ) analysis of the the artificial data acquisition of the target area , to the process of trade-offs , proposed several possible semi-automatic acquisition strategy . ( 3) analysis of the relationship of the image gradient vector and edge feature , edge feature extraction algorithm based the image curl or image gradient histogram . (4) on the automatic detection technology for vector data , automatic detection algorithm based on generalized Hough transform and Fourier transform . ( 5 ) to feature attribute data acquisition and detection technology that the attribute template the attribute data input constraints or automatically checks . (6) 3D visualization technology based on triangulated irregular network analysis , conducted a study of the technology used in detection of feature data . (7) the application of object-oriented thinking and modular framework of topographic map revision system design , and the completion of the detailed design and programming of the main module .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > Photogrammetry and Surveying, Mapping and Remote Sensing > Aerial Photogrammetry > Digital Mapping
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