EdgeDetect
در دسترس
Detects edges by thinning the derivative-of-Gaussian gradient to single-pixel
EdgeDetect[image]
EdgeDetect[image, r]
EdgeDetect[image, r, t]
ImageData[EdgeDetect[Image[{{0., 0., 0., 1., 0., 0., 0.}}]]]
→ {{0, 0, 1, 0, 1, 0, 0}}ImageData[EdgeDetect[Image[{{0., 0., 0., 0., 0.}, {0., 1., 1., 1., 0.}, {0., 1., 1., 1., 0.}, {0., 1., 1., 1., 0.}, {0., 0., 0., 0., 0.}}]]]
→ {{0, 0, 1, 0, 0}, {0, 1, 1, 1, 0}, {1, 1, 0, 1, 1}, {0, 1, 1, 1, 0}, {0, 0, 1, 0, 0}}ImageData[EdgeDetect[Image[{{0., 0., 0., 0., 0., 0., 0., 1., 0., 0., 0., 0., 0., 0., 0.}}], 4]]
→ {{0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0}}ImageData[EdgeDetect[Image[{{0., 0., 0., 0.3, 0.3, 0.3, 0., 0., 0., 1., 1., 1., 0., 0., 0.}}]]]
→ {{0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0}}ImageData[EdgeDetect[Image[{{0., 0., 0., 0.3, 0.3, 0.3, 0., 0., 0., 1., 1., 1., 0., 0., 0.}}], 2, 0.1]]
→ {{0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0}}EdgeDetect[Image[{{0., 1.}}], -1]
→
EdgeDetect::bdrad: The specified radius -1 should be either a non-negative number or a list of 2 non-negative numbers.
EdgeDetect[-Image-, -1]- Method — default Automatic
- Padding — default "Fixed"
همهٔ 6300 تابع ·
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