According to the surface defect image's traits and using digital image processing it abstracts the defects from the rail images, describes the feature of them, and classifies them.
根据钢轨表面缺陷图像的特点，利用数字图像处理技术对采集到的轨道图像进行处理并提取出缺陷，同时对缺陷特征进行描述，最后利用有效特征对缺陷进行分类。
The techniques of surface defect inspection based on image processing is studied.
对基于图象处理的表面缺陷检测技术进行了研究。
To realize apple automatic grading completely, the method for classifying apple surface defect by digital image processing was researched.
为了实现苹果分级完全自动化，研究了苹果表面缺陷图像分类方法。
An automatic brake valve surface defect detection system based on the image processing technology has been developed.
开发了一种基于图像处理技术的制动阀表面缺陷自动检测系统。
The experiment result shows that this method possesses the advantage precision and speed and is useful for the real-time defect segmentation for steel surface image.
实验结果表明，该方法具有在精度和速度方面的优势，适合对带钢表面图像的缺陷进行实时检测。
To decrease the relative errors, the pixel transform method was adopted to recover the geometrical feature of sphere fruit surface from projected image while the area of defect was calculated.
采用像素点变换法，实现了根据三维物体的二维投影图像恢复物体表面的真实几何面积的设想，大大降低了缺陷面积计算的误差；
The image processing of the strip surface defects realized the task of defect detecting and image segmentation.
带钢表面图像处理技术实现了从图像中检测并分割缺陷的目的。
Two critical tasks involved in the defect detection of strip surface are the strip surface image processing and defect recognition.
归纳出了带钢表面缺陷图像处理和图像识别两项关键任务。
This method was used to carry out the defect image detection on a spherical metal surface automatically and accurately.
该方法能自动、准确地完成球形金属表面的缺陷检测。
To realize the detection of the Roller bearing automatic completely, the method for Roller bearing surface defect by digital image processing was researched.
为了实现轴承缺陷无损检测自动化，研究了轴承表面缺陷图像的分割方法。
In industrial ct image analysis and process, it is necessary to display the inner surface of the pipeline for subsequent analysis and defect detection.
对工业CT图像进行分析和处理的过程中，经常需要对工件管道的内表面进行显示，为后续的分析与检测做准备。
In industrial ct image analysis and process, it is necessary to display the inner surface of the pipeline for subsequent analysis and defect detection.
对工业CT图像进行分析和处理的过程中，经常需要对工件管道的内表面进行显示，为后续的分析与检测做准备。
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