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remove dependency on fftpack completely

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This commit is contained in:
Abe Levitan
2022-08-19 10:02:11 -07:00
parent b8b508ce2c
commit 036fa8ea2c
5 changed files with 21 additions and 20 deletions
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tests/tools/test_analysis.py
+6 -7
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@@ -1,5 +1,4 @@
import numpy as np
from scipy import fftpack as ffts
from scipy import linalg as la
import torch as t
from itertools import combinations
@@ -251,18 +250,18 @@ def test_calc_frc():
nbins = 100
snr = 2
cor_fft = ffts.fftshift(ffts.fft2(obj1[10:-10,20:-20])) * \
ffts.fftshift(np.conj(ffts.fft2(obj2[10:-10,20:-20])))
cor_fft = np.fft.fftshift(np.fft.fft2(obj1[10:-10,20:-20])) * \
np.fft.fftshift(np.conj(np.fft.fft2(obj2[10:-10,20:-20])))
F1 = np.abs(ffts.fftshift(ffts.fft2(obj1[10:-10,20:-20])))**2
F2 = np.abs(ffts.fftshift(ffts.fft2(obj2[10:-10,20:-20])))**2
F1 = np.abs(np.fft.fftshift(np.fft.fft2(obj1[10:-10,20:-20])))**2
F2 = np.abs(np.fft.fftshift(np.fft.fft2(obj2[10:-10,20:-20])))**2
di = np.linalg.norm(basis[:,0])
dj = np.linalg.norm(basis[:,1])
i_freqs = ffts.fftshift(ffts.fftfreq(cor_fft.shape[0],d=di))
j_freqs = ffts.fftshift(ffts.fftfreq(cor_fft.shape[1],d=dj))
i_freqs = np.fft.fftshift(np.fft.fftfreq(cor_fft.shape[0],d=di))
j_freqs = np.fft.fftshift(np.fft.fftfreq(cor_fft.shape[1],d=dj))
Js,Is = np.meshgrid(j_freqs,i_freqs)
Rs = np.sqrt(Is**2+Js**2)