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 based on the histogram, texture, projection and shape of the defect images was also investigated.
研究了基于缺陷图像直方图、纹理、投影和形状的特征提取。
Aiming at the characteristic in feature extraction of cold steel strip surface defect images, a mixed feature extraction method of separable criterion based on class distance is proposed.
针对冷轧带钢表面缺陷图像特征提取的特点，提出了基于类距离可分离性判据的混合特征提取方法。
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