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。
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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