Brus

Bildbehandling i Python

Rebeca Gonzalez

Data Engineer

Brus

Lägg till brus i scikit-image

# Import the module and function
from skimage.util import random_noise


# Add noise to the image
noisy_image = random_noise(dog_image)


# Show original and resulting image
show_image(dog_image)
show_image(noisy_image, 'Noisy image')

Lägg till brus i scikit-image

Brusreducering

Typer av brusreducering

Total variation (TV)
Bilateral
Wavelet-brusreducering
Icke-lokal medelvärdesminskning

Brusreducering

Total variation-filter för brusreducering

from skimage.restoration import denoise_tv_chambolle


# Apply total variation filter denoising
denoised_image = denoise_tv_chambolle(noisy_image, 
                                      weight=0.1,
                                      multichannel=True)


# Show denoised image
show_image(noisy_image, 'Noisy image')
show_image(denoised_image, 'Denoised image')

Brusreducering

Total variation-filter

Brusreducering

Bilateralt filter

from skimage.restoration import denoise_bilateral


# Apply bilateral filter denoising
denoised_image = denoise_bilateral(noisy_image, multichannel=True)


# Show original and resulting images
show_image(noisy_image, 'Noisy image')
show_image(denoised_image, 'Denoised image')

Brusreducering

Bilateralt filter

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Bildbehandling i Python