the sobel algorithm
sobel算法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
An improved algorithm for the image edge detection based on Sobel algorithm was proposed to overcome the disadvantages, which the obtained edges of the image is thick and sensitive to the noise.
针对该算法存在检测出的边缘粗且对噪声极其敏感的缺点，提出了一种改进算法。
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