VladimirGl

VladimirGl

F_mag = np.fft.fft2(im_magnutide[:,:,0])
F_ph = np.fft.fft2(im_phase)

mag =  np.absolute(F_mag)
phase = np.arctan2(F_ph.imag, F_ph.real)

re = np.multiply(mag, np.cos(phase))
im = np.multiply(mag, np.sin(phase))

res = re + 1j * im

VladimirGl

import numpy as np
from numpy.fft import fft2, ifft2

def wiener_denoising_filter(img, sigma, K = 10):
    h, w = img.shape
        
    temp = fft2(img)
    kernel = (np.abs(temp) ** 2) / (h * w)
    
    kernel = kernel / (kernel + sigma * sigma)

VladimirGl

def wiener_deconv_filter(img, kernel, K = 10):
    h, w = img.shape
    kh, kw = kernel.shape
    
    temp = np.copy(img)
    kernel = np.pad(kernel, [(0, h - kh), (0, w - kw)], 'constant')
    
    temp = fft2(temp)
    kernel = fft2(kernel)
    

VladimirGl

#!/bin/bash

apt update;
apt-install -y wget zip;

mkdir -p results;
cd results;

rm links.txt
touch links.txt