CAJ | 학술논문

研究了一种基于等高线的三维地形匹配方法,分别从实时高程图和参考高程图中提取等高线,将三维地形匹配转化为等高线匹配.通过位置坐标集合的平移算子和旋转算子作用,并利用平均Hausdorff距离度量参考图中不同等高线段的元素集合和实时图等高线段的元素集合的相似度.仿真试验表明,这种匹配方法具有较强的抗噪声和抗形变能力.
연구료일충기우등고선적삼유지형필배방법,분별종실시고정도화삼고고정도중제취등고선,장삼유지형필배전화위등고선필배.통과위치좌표집합적평이산자화선전산자작용,병이용평균Hausdorff거리도량삼고도중불동등고선단적원소집합화실시도등고선단적원소집합적상사도.방진시험표명,저충필배방법구유교강적항조성화항형변능력.
A contour-based 3D terrain matching method was studied. In the method, an elevation contour map which was extracted from the reference DEM and real-time recovered terrain was used to convert 3-D terrain matching to contour-based matching. After the moving and rotating arithmetic operators operate the set of the elements of the contour, the mean Hausdorff distance (MHD) was used to measure the similarity between the contour lines from the reference DEM and the contour line from the real-time recovered terrain. The simulation shows that the algorithm is insensitive to noise and distortion.