Regarding the characteristic of X-ray detection images of carbon material, flaw feature extraction and selection techniques are studied.
针对炭素制品X射线检测图像的特点，对缺陷及其特征提取与选择技术进行了研究。
Defect feature extraction and selection techniques were studied regarding the characteristics of X-ray detection images of carbon product.
针对炭素制品X射线检测图像的特点，对缺陷特征提取与选择技术进行了研究。
In this paper, the method for feature extraction and selection of handwriting signature is discussed. On this basis, a functional algorithm of special points extraction has been presented.
介绍了手写签名特征抽取和选择的一般方法，并在此基础上，提出了一种实用的签名笔迹特殊点提取算法。
Feature extraction and selection are important for recognition rate in intelligent recognition using technologies of digital image processing and pattern recognition.
在使用数字图像处理和模式识别技术进行智能识别过程中，特征提取和优选成为识别率问题的关键。
Feature extraction and selection are important for recognition rate in intelligent recognition using technologies of digital image processing and pattern recognition.
在使用数字图像处理和模式识别技术进行智能识别过程中，特征提取和优选成为识别率问题的关键。
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