Question
using the Laplacian of the Gaussian or Sobel filters, of user-specified size and parameters where applicable. how to apply filters of varying size
Expert Answer
Prashant Kumar
PhD Expert
Answered Aug 12, 2026
I = imread('circuit.tif');
BW1 = edge(I,'prewitt');
BW2 = edge(I,'canny');
BW3 = edge(I,'sobel');
figure, imshow(BW1)
figure, imshow(BW2)
figure, imshow(BW3)
Or you can choose manual threshold like,
BW1 = edge(I,'prewitt',0.4); BW2 = edge(I,'canny',0.4); BW3 = edge(I,'sobel',0.4); figure, imshow(BW1) figure, imshow(BW2) figure, imshow(BW3)
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