how to calculate no. of edge pixel of a image for a particular(e.g sobel edge detector) edge detector using matlab

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Biswajit
Biswajit 2014-3-15
评论： Image Analyst 2019-12-5
how to calculate no. of edge pixel of a image for a particular(e.g sobel edge detector) edge detector using matlab

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回答（3 个）

Image Analyst
Image Analyst 2014-3-15
Assuming you used edge(), which thresholds the edge image, you could just use sum():
numberOfEdgePixels = sum(edgeImage(:));
Anand
Anand 2016-2-23
bw = edge(I,'sobel');
edgePixels = nnz(bw)
bindu bansal
bindu bansal 2019-12-5
Anybody pl help me to implement paper "a classification algorithm to distinguish Image as Haze or non-Haze".... thanks in advance

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