用法:
cucim.skimage.feature.structure_tensor_eigvals(Axx, Axy, Ayy)
計算結構張量的特征值。
- Axx:ndarray
輸入圖像中每個像素的結構張量元素。
- Axy:ndarray
輸入圖像中每個像素的結構張量元素。
- Ayy:ndarray
輸入圖像中每個像素的結構張量元素。
- l1:ndarray
每個輸入矩陣的特征值更大。
- l2:ndarray
每個輸入矩陣的特征值較小。
參數:
返回:
例子:
>>> import cupy as cp >>> from cucim.skimage.feature import (structure_tensor, ... structure_tensor_eigvals) >>> square = np.zeros((5, 5)) >>> square[2, 2] = 1 >>> Arr, Arc, Acc = structure_tensor(square, sigma=0.1, order="rc") >>> structure_tensor_eigvals(Acc, Arc, Arr)[0] array([[0., 0., 0., 0., 0.], [0., 2., 4., 2., 0.], [0., 4., 0., 4., 0.], [0., 2., 4., 2., 0.], [0., 0., 0., 0., 0.]])
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