查询词典 hausdorff metric

The hierarchical structure of the retrieval strategy is analyzed to reach the real-time and retrieval accuracy requirement. A trademark image database system under hierarchical scheme is implemented: the string-matching method is first used to reduce the image search scope under man-machine interaction, then smallest enclosed rectangle and Hausdorff distance metric are used to measure the similarity between trademarks under image region normalization and transform invariance.

2分析了层次结构的检索策略以解决图象检索的实时性要求和准确性要求，并实现了一具体商标库检索系统的层次检索方法，在人机交互方式下，用字符串匹配方法减少图象搜索范围；在图象区域规格化下，用最小约束距和Hausdorff距离度量商标相似性，并实现了变换不变性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。