feature extraction

We discuss three important aspects: preprocessing of gait image, feature extraction and classification. We emphasis on silhouette segmentation algorithm and silhouette description using Tangent Vector Descriptor.

本文论述了构成步态识别系统的步态图像预处理、特征提取、训练识别三个方面内容，重点讨论了图像预处理轮廓分割算法和以切向量描述的轮廓特征提取技术。

Feature extraction method and classification selection are crucial to ship target identification.

特征提取方法和分类器的选择是舰船目标识别的关键.

Image Edge Feature Extraction Based on Independent Component Analysis

基于独立分量分析的图像边缘特征提取

Feature extraction is important to machine state identification.

特征提取是机械状态识别的重要内容.

Fingerprint matchingincludes feature extraction, feature code and minutiae matching.

指纹特征匹配包括指纹特征提取, 特征编码以及特征匹配等.

Image segmentation is critical to feature extraction, recognition and tracking of UAV infrared detection ship target.

红外图像分割是无人机探测红外舰船目标特征提取 、 识别与跟踪的基础.

Kernel linear discriminant analysis ( KLDA ) is essentially a nonlinear feature extraction criterion.

核线性判别准则 ( KLDA ) 是一种非线性特征提取准则.

In feature extraction phase, we extract 15 features including color, texture and shape for each region.

特征提取阶段, 对每个区域提取了包含颜色 、 纹理和形状三个方面共十五个特征.

This paper proposes a robust feature extraction algorithm for speech recognition.

提出一种用于语音识别的鲁棒特征提取算法.

Foley-Sammon linear discriminant analysis ( FSDA) is an efficient linear feature extraction method.

Foley-Sammon线性鉴别分析（FSDA）是抽取线性特征的有效方法之一。

Definition of facial feature extraction affects direct rate of face recognition.

人脸特征提取的精确与否直接影响到人脸识别的正确率.

Feature extraction and classification recognition are two critical steps in pattern recognition.

特征提取和分类识别是统计模式识别中两大关键步骤.

Facial feature extraction is import part in face recognition.

人脸面部特征的提取是人脸识别技术的重要环节.

Method for invariant feature extraction based on shape boundaries are proposed.

提出了一种基于目标边界的不变特征提取方法.

Meanwhile, target extension angle estimation value and estimation variation are presented. Finally, experimental result is given by feature extraction.

同时利用目标方位走向特征向量，给出了体目标的目标视在张角估计值，做为识别判据。文章给出了目标方位走向的提取方法、试验结果，同时给出了目标视在张角估计方差。

Analyzes target feature extraction algorithm via spotlight SAR.

本文研究了聚束式合成孔径雷达目标特征提取算法.

Feature extraction is the key part of handwritten chinese character recognition.

特征提取是手写体汉字识别的关键环节.

Linear Discriminant Analysis ( LDA) is one of the most popular linear projection techniques for feature extraction.

提出了将人脸图像的小波分解和线性判别分析结合以达到人脸识别的方法。

Principal component analysis ( PCA ) is an important method widely used in data compression and feature extraction.

主分量分析是一种线性特征抽取方法,被广泛地应用在人脸等图像识别领域.

The algorithms for flow-field analysis and feature extraction are designed and optimize.

提出一种燃烧器射流图像分析及特征参数提取的新方法.