By the analysis and comparison of target characteristics, invariant moments are chosen as recognition characteristics.
通过对目标特征的分析比较，选取不变矩作为识别特征。
The use of moments for image analysis is straightforward if we consider a binary or gray level image segment as a two-dimensional density distribution function.
若把二值图或灰度图看作是二维密度分布函数，就可把矩技术应用于图像分析中。
Some key techniques using the Method of Moments in the analysis of receiving performance of array are given.
本文给出使用矩量法分析天线阵接收性能时几个关键问题的处理方法。
应用推荐