等;局部性特征(local feature-based)如:物件边缘、移动物件角点等;特征 撷取(feature extraction)主要是将有利于物件分类的特征分割出来,然后再利用这些特征 来描述或...
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Local invariant feature-based recognition 基于局部不变性特征物体识别
Firstly, the local gray mean feature and local standard deviation feature were utilized to realize target modeling based on the low SNR characteristic of ir images.
首先，针对红外图像低信噪比的特点，采用局部灰度均值特征及局部标准差特征用于目标建模。
The local feature based representation could be obtained by choosing suitable dimension of the feature subspace in NMF.
非负矩阵分解过程中，适当地选取特征空间的维数能够获得原始数据的局部特征。
A novel gradient orientation histogram was built using a Gaussian-weighted circular window and a major orientation to each feature point was assigned based on local image properties.
构建了一种新的局部梯度方向直方图，同时定义了特征点的主方向，从而提出了一种具有旋转不变性的图像配准算法。
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