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Algorithm enhances edge detection precision and noise resistance in images, suggesting practical applications.
The paper proposes an improved gradient algorithm which is based on the existing sobel edge detection. The algorithm is not only simple, but also can solve the coordination problem between the detection precision and anti-noise performance. Experimental results prove that using the modified gradient algorithm to detect image edge is not only clear outline, good real-time, but also has better anti-noise performance.
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Lang et al. (2012) studied this question.
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