该方法先将印鉴图像分成若干个区域环，提取反映印鉴本质特征的参数形成局部和全局特征。
Firstly, the seal imprint is divided into some rings, and the local and global intrinsic features are extracted.
本文研究了图象中突出特征的特性和算法，并利用突出特征对局部突出区域进行了提取。
In this paper, the characteristics and algorithms of the conspicuous features in an image are studied, and the local conspicuous regions are extracted based on the conspicuous features.
该算法以具有多分辨率特性的小波包为基础，结合结构法的纹理元分析方式，采用区域质心完成局部特征提取，最后使用投影法进行整体的特征提取。
The texture feature was obtained by statistically projecting the local centroid which was referred from the structural texture analysis methods based on the wavelet package transform.
在红外图像序列中，提取了反映局部区域运动相关性的相关特征。
Temporal change feature is extracted from the visual image sequence using temporal decomposition based on wavelet, which reflects the dynamical content variation at a pixel at any time.
在红外图像序列中，提取了反映局部区域运动相关性的相关特征。
Temporal change feature is extracted from the visual image sequence using temporal decomposition based on wavelet, which reflects the dynamical content variation at a pixel at any time.
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