ART

[Ahme1994]

hello dear;
when I ran the code, I got this problem .

TypeError Traceback (most recent call last)
/var/folders/04/6zwtc3x93jz3v9tkgfbfsk7c0000gn/T/ipykernel_35174/3701552822.py in
5 niter = 2e2
6 bpos = True
----> 7 x_art = ART(A, AT, y, x0, mu, niter, bpos)

/var/folders/04/6zwtc3x93jz3v9tkgfbfsk7c0000gn/T/ipykernel_35174/2609942379.py in ART(A, AT, b, x, mu, niter, bpos)
27
28 def ART(A, AT, b, x, mu=1e0, niter=1e2, bpos=True):
---> 29 ATA = AT(A(np.ones_like(x)))
30
31 for i in range(int(niter)):

/var/folders/04/6zwtc3x93jz3v9tkgfbfsk7c0000gn/T/ipykernel_35174/3663427198.py in (y)
7
8 A = lambda x: radon(x, THETA, circle=False).astype(np.float32)
----> 9 AT = lambda y: iradon(y, THETA, circle=False, filter=None, output_size=N).astype(np.float32)/(np.pi/(2*len(THETA)))
10 AINV = lambda y: iradon(y, THETA, circle=False, output_size=N).astype(np.float32)

TypeError: iradon() got an unexpected keyword argument 'filter'

[Ahme1994]

hello dear could you please help to to fix this erorr
A = lambda x: radon(x, THETA, circle=False).astype(np.float32)
print(A)
AT = lambda y: iradon(y, THETA, circle=False, filter=None, output_size=N).astype(np.float32)/(np.pi/(2*len(THETA)))
print(AT)
AINV = lambda y: iradon(y, THETA, circle=False, output_size=N).astype(np.float32)
print(AINV)

DATA GENERATION

x = loadmat('XCAT512.mat')['XCAT512']
p = A(x)
x_full = AINV(p)
+++++++++++++++

AttributeError Traceback (most recent call last)
in
1 ## DATA GENERATION
2 #x = loadmat('XCAT512.mat')['XCAT512']
----> 3 p = A(x)
4 x_full = AINV(p)
5

1 frames
/usr/local/lib/python3.8/dist-packages/skimage/transform/radon_transform.py in radon(image, theta, circle, preserve_range)
65
66 """
---> 67 if image.ndim != 2:
68 raise ValueError('The input image must be 2-D')
69 if theta is None:

AttributeError: 'dict' object has no attribute 'ndim'