Secondly, for the image edge detection, methods including the gradient method, the sharp-processing method, and the Hough transformation were used, and the contour tracing was also conducted.
边缘检测处理部分采用了梯度处理法、锐化处理法、哈夫变换处理法，并对图像作轮廓跟踪处理。
An Angle value is obtained when the measured work piece image is processed by edge detection, thinning and Hough transformation.
通过对采集到的被测工件图像进行边缘检测、细化处理和霍夫变换，从而确定出其角度。
An Angle value is obtained when the measured work piece image is processed by edge detection, thinning and Hough transformation.
通过对采集到的被测工件图像进行边缘检测、细化处理和霍夫变换，从而确定出其角度。
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