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* initial commit * test_torch_unet cleaned * new torch unet demos * jinet demos * torch tests renamed * unused function is removed * reduce lr scheduler added to n2s loop * black fix Co-authored-by: acs-ws <asolak@ku.edu.tr>
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# flake8: noqa | ||
import time | ||
import numpy | ||
import torch | ||
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from aydin.io.datasets import ( | ||
normalise, | ||
add_noise, | ||
camera, | ||
) | ||
from aydin.nn.models.torch.torch_jinet import JINetModel | ||
from aydin.nn.models.torch.torch_unet import n2s_train | ||
from aydin.util.log.log import Log | ||
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def demo(image, model_class, do_add_noise=True): | ||
""" | ||
Demo for self-supervised denoising using camera image with synthetic noise | ||
""" | ||
Log.enable_output = True | ||
Log.set_log_max_depth(8) | ||
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image = normalise(image) | ||
image = numpy.expand_dims(image, axis=0) | ||
image = numpy.expand_dims(image, axis=0) | ||
noisy = add_noise(image) if do_add_noise else image | ||
print(noisy.shape) | ||
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# noisy = torch.tensor(noisy) | ||
image = torch.tensor(image) | ||
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model = model_class( | ||
nb_unet_levels=2, | ||
spacetime_ndim=2, | ||
) | ||
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print("training starts") | ||
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start = time.time() | ||
n2s_train(noisy, model, nb_epochs=128) | ||
stop = time.time() | ||
print(f"Training: elapsed time: {stop - start} ") | ||
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noisy = torch.tensor(noisy) | ||
model.eval() | ||
model = model.cpu() | ||
print(f"noisy tensor shape: {noisy.shape}") | ||
# in case of batching we have to do this: | ||
start = time.time() | ||
denoised = model(noisy) | ||
stop = time.time() | ||
print(f"inference: elapsed time: {stop - start} ") | ||
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noisy = noisy.detach().numpy()[0, 0, :, :] | ||
image = image.detach().numpy()[0, 0, :, :] | ||
denoised = denoised.detach().numpy()[0, 0, :, :] | ||
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image = numpy.clip(image, 0, 1) | ||
noisy = numpy.clip(noisy, 0, 1) | ||
denoised = numpy.clip(denoised, 0, 1) | ||
# psnr_noisy = psnr(image, noisy) | ||
# ssim_noisy = ssim(image, noisy) | ||
# psnr_denoised = psnr(image, denoised) | ||
# ssim_denoised = ssim(image, denoised) | ||
# print("noisy :", psnr_noisy, ssim_noisy) | ||
# print("denoised:", psnr_denoised, ssim_denoised) | ||
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import napari | ||
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viewer = napari.Viewer() # no prior setup needed | ||
viewer.add_image(image, name='image') | ||
viewer.add_image(noisy, name='noisy') | ||
viewer.add_image(denoised, name='denoised') | ||
napari.run() | ||
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if __name__ == '__main__': | ||
# image = newyork() | ||
# image = lizard() | ||
# image = characters() | ||
image = camera() | ||
# image = pollen() | ||
# image = dots() | ||
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model_class = JINetModel | ||
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demo(image, model_class) |
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# flake8: noqa | ||
import time | ||
import numpy | ||
import torch | ||
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from aydin.io.datasets import ( | ||
normalise, | ||
add_noise, | ||
camera, | ||
) | ||
from aydin.nn.models.torch.torch_jinet import JINetModel | ||
from aydin.nn.models.torch.torch_unet import n2t_train | ||
from aydin.util.log.log import Log | ||
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||
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def demo(image, model_class, do_add_noise=True): | ||
""" | ||
Demo for self-supervised denoising using camera image with synthetic noise | ||
""" | ||
Log.enable_output = True | ||
Log.set_log_max_depth(8) | ||
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||
image = normalise(image) | ||
image = numpy.expand_dims(image, axis=0) | ||
image = numpy.expand_dims(image, axis=0) | ||
noisy = add_noise(image) if do_add_noise else image | ||
print(noisy.shape) | ||
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# noisy = torch.tensor(noisy) | ||
image = torch.tensor(image) | ||
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model = model_class( | ||
nb_unet_levels=2, | ||
spacetime_ndim=2, | ||
) | ||
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print("training starts") | ||
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start = time.time() | ||
n2t_train(noisy, model, nb_epochs=128) | ||
stop = time.time() | ||
print(f"Training: elapsed time: {stop - start} ") | ||
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noisy = torch.tensor(noisy) | ||
model.eval() | ||
model = model.cpu() | ||
print(f"noisy tensor shape: {noisy.shape}") | ||
# in case of batching we have to do this: | ||
start = time.time() | ||
denoised = model(noisy) | ||
stop = time.time() | ||
print(f"inference: elapsed time: {stop - start} ") | ||
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noisy = noisy.detach().numpy()[0, 0, :, :] | ||
image = image.detach().numpy()[0, 0, :, :] | ||
denoised = denoised.detach().numpy()[0, 0, :, :] | ||
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image = numpy.clip(image, 0, 1) | ||
noisy = numpy.clip(noisy, 0, 1) | ||
denoised = numpy.clip(denoised, 0, 1) | ||
# psnr_noisy = psnr(image, noisy) | ||
# ssim_noisy = ssim(image, noisy) | ||
# psnr_denoised = psnr(image, denoised) | ||
# ssim_denoised = ssim(image, denoised) | ||
# print("noisy :", psnr_noisy, ssim_noisy) | ||
# print("denoised:", psnr_denoised, ssim_denoised) | ||
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import napari | ||
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viewer = napari.Viewer() # no prior setup needed | ||
viewer.add_image(image, name='image') | ||
viewer.add_image(noisy, name='noisy') | ||
viewer.add_image(denoised, name='denoised') | ||
napari.run() | ||
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if __name__ == '__main__': | ||
# image = newyork() | ||
# image = lizard() | ||
# image = characters() | ||
image = camera() | ||
# image = pollen() | ||
# image = dots() | ||
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model_class = JINetModel | ||
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demo(image, model_class) |
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