However, the crack detection rate and reliability of these methods need further study.
但是，这些方法的裂纹检出率和可靠性需要深入研究。
Image edge detection is always study hot spot in the field of image processing.
图像边缘检测一直以来都是图像处理领域的研究热点。
The Study of Image Edge Detection Based on Fuzzy Theory;
提出了一种新型的测量图像快速亚像素边缘检测方法。
The Study of Image Edge Detection Based on Fuzzy Theory;
提出了一种新型的测量图像快速亚像素边缘检测方法。
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