8 research outputs found
An examination of techniques for raster-to-vector process and implementation of software package for automatic map data entry-mapscan
The majority of commonly used manipulative techniques in computer-assisted cartography continue to require that the data be in vector format. This situation has recently precipitated the the requirement for fast techniques for converting digital cartographic data from raster to vector format for processing. This article concerns with examining the states in theses conversion techniques. In part one, algorithms to perform all phases of the raster-to-vector process are systematically outlined, and then compared in the general term. Part two will describe the package for automatic map data entry MapScan, the algorithms implemented in which are based on the fast techniques for converting map raster data to vector format. With MapScan users are able to move printed maps or drawing into a mapping system much more quickly and easily compared to using traditional digitizer techniques
Ưng dụng khoảng cách Hausdorff trong đánh giá chuyển đổi các biểu diễn raster và vector
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Phần mềm trợ giúp dạy học trên máy tính, các mô đun chính - AITS : [Kết quả nghiên cứu Khoa học]
156 tr