| 1. | An algorithm for updating map image oriented to aviation gis
的地图背景更新算法 |
| 2. | In the size in bytes of the mapped image
[ in ]映射的映像大小，以字节为单位。 |
| 3. | The study of color separation in color map images and its algorithm implementation
彩色地图图像分色的研究及算法实现 |
| 4. | The paper studied and concluded some general ways of scanned topographical map image pretreatment
本文首先对地形图扫描图像预处理常用的方法进行了研究和总结。 |
| 5. | Vectorization method based on thinning algorithm used in the design prevails currently , whose progress is : after the binary scanned map images are thinned , recognize the skeleton captured
本文采用比较流行基于细化的矢量化方法作为整体设计思想。细化地图扫描二值图像后，对提取出来的骨架线进行识别。 |
| 6. | To recognize and capture digital geographic information in the scanned maps images has transcendent advantages , and has become the main method to capture the digital information
在地图扫描图像上识别和提取数字地理信息因其效率、精度、自动化程度和可靠性方面的显著优势，已经成为获取数字地理信息的主要途径之一。 |
| 7. | At the same time , three region segmentation algorithms also are introduced , i . e . global - based segmentation algorithm , tree - based region find in rle map image , and statistic - based region feature computation algorithm
同时在目标区域合并(分割)阶段，提出了基于全局扫描的分割算法、行程编码图中基于树的区域查找算法和基于统计的区域特征量计算方法。 |
| 8. | On the base of its , the paper proposed a new suitable way for the scanned topographical map image - suite . and adopted a new thinking of " drawing separated , image - suite wholly " , and proposed a new way of drawing bmp high efficiency and eliminated flickering , it improve the efficiency of image - suite
在手动拼接的方法上，采用“分块显示、整体拼接”的思想，提出了一种高效率显示bmp图像和消除图像漫游时闪烁的方法，极大的提高了拼接速度和效率。 |
| 9. | After studying the nowadays methods , combining the characters of binary scanned maps images , the author designs a method to recognize and capture the digital geography information , which is based on thinning algorithm . a system is also realized by this method in the visual c + + programming environment
本文在研究、分析现有扫描图像矢量化方法的基础上，与地图扫描二值图像的特点相结合，设计了一种基于图像细化算法的地图信息识别与提取的方法，并以此为理论指导在visualc + +环境下编程实现了一个自动矢量化实验系统。 |
| 10. | Recognization and extraching digitized geo - information from map image opens a new way for map digitization and it is achieved signaficant for geographic information constuction and application . in this paper , the following four aspects are explored and discussed . ( 1 ) topographic map scanned is pre - settled for facing automatic recognization , it includes option of binary image , elimination of noise , thinning of symbols , modificatoin of intermittent points and deletion of error ect
本文从这个角度出发，基于对地形图自动模式识别获取信息和数据，从四个方面进行了研究和探讨： ( 1 ) 、面向自动识别扫描地形图数据预处理内容研究，包括二值化阈值选取、地形图的噪声消除、地形图符号的细化、细化后的断点修补和毛刺的剔除等。 |
