Is greater than the value of T2, then the pixel has a value of ' 1 ' and is regarded as one of the members in the picture edges. Therefore, to make the Threshold will make a thick edge or some of them, and research [4] testing by using the Find method, the Canny edge compared to find the edge, Sobel and Prewitt method with Roberts showed how Canny. Find the edge of the image with a border line of more than from all the way. Figure 2:
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