Commit a5e68267 authored by 袁通's avatar 袁通
Browse files

Task 2 finished

parent 40021122

Lab5_Frequency_Domain_Filtering/EE326_SUSTech.py

+2 −2
Original line number Diff line number Diff line
@@ -133,7 +133,6 @@ def gaussian_filter(a, b, sigma): 


def butterworth_filter(b, a, n, sigma):

    x, y = np.meshgrid(np.linspace(0, a - 1, a), np.linspace(0, b - 1, b))

    print(x)

    x = x - a / 2

    y = y - b / 2

    d = np.sqrt(x * x + y * y)
@@ -143,5 +142,6 @@ def butterworth_filter(b, a, n, sigma): 


if __name__ == '__main__':



    io.imsave("butterworth_filter_test.tif", format_image(butterworth_filter(100, 100, 2, 30)))

    test_input = np.array([[1, 2, 3, 4], [1, 2, 3, 4], [1, 2, 3, 4], [1, 2, 3, 4]])

    print(transform_centering(test_input))

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