摘要
目前的虚拟战场环境研究主要集中在陆上环境方面,对海洋战场环境的研究比较少,虚拟海战场环境的基础是真实的地形、地物、地貌等数据。该文采用了一种图像分割算法,对生成的海底规则格网进行快速分割。该方法主要分三个步骤(:1)从海图数据文件中提出散乱的海洋水深数据。(2)利用移动曲面拟合法生成规则格网数据。DEM内插是根据参考点上的高程数据求出其他待定点上的高程,在数学上属于插值问题。该文采用了一种移动曲面拟合法内插,以每一待定点为中心,定义一个局部函数去拟合周围的数据点。(3)采用三态值图像分割算法对海底图像进行快速分割,能很好地将海底3种典型地形:正、负地形和平缓地形分割出来。
The current study of virtual battlefield environment mainly focused on the land environment,it was very few in the research of the marine battlefield environment.The virtual battlefield environment of marine is based on the real undersea terrain,surface features,physiognomy and other data.In this paper,an image segmentation algorithm is used to rapidly segment the undersea grid DEM.The method is divided into three steps：（1）Get scattered depth data of ocean from a electronic chart.（2）A mobile surface fitting is used to generate grid data.DEM interpolation is using the reference points data to obtain other points,it is a interpolation problem in mathematics.In the paper,a mobile surface fitting interpolation is used,based on a center point and define a local function to fit the data points around.（3）A three-state image segmentation algorithm is used to rapidly segment the undersea image,it can effectively segment three typical kinds of undersea Terrain：the positive terrain,the negative terrain and the flat terrain.
出处
《电子质量》
2011年第4期41-43,48,共4页
Electronics Quality
关键词
海底地形
海图
格网
分割
undersea terrain
chart
grid
segmentation
