2012
DOI: 10.1016/j.protcy.2012.05.033
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A Survey on Various Edge Detector Techniques

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Cited by 139 publications
(60 citation statements)
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“…The gradient based detectors [7] viz. Sobel, Robert, Prewitt, convolve the input image with their respective convolution mask to generate a gradient image.…”
Section: Edge Detection Methodologiesmentioning
confidence: 99%
“…The gradient based detectors [7] viz. Sobel, Robert, Prewitt, convolve the input image with their respective convolution mask to generate a gradient image.…”
Section: Edge Detection Methodologiesmentioning
confidence: 99%
“…Smoothing filter helps us to get the desired resullt in this case. We apply Gaussian smoothing filter [27] as presented in Eq. 1.…”
Section: Preprocessingmentioning
confidence: 99%
“…In [2] the Canny edge detector classifies a pixel as an edge if the amplitude of the gradient of the pixel is greater than that of the pixels of its two sides in the direction of the maximum intensity change. The proposed works show that the definition of edges in this way causes certain obvious edges to be missed.…”
Section: Related Workmentioning
confidence: 99%