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。
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，对缺陷及其特征提取与选择技术进行了研究。
Regarding the characteristic of X-ray detection images of carbon material, flaw feature extraction and selection techniques are studied.
隐藏检测的研究主要包括特征提取和分类器的选择与设计两个部分。
The study of steganalysis mainly consists feature extraction and classifier selection and design.
隐藏检测的研究主要包括特征提取和分类器的选择与设计两个部分。
The study of steganalysis mainly consists feature extraction and classifier selection and design.
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