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cdtools/examples/simple_ptycho.py
T

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Python

from __future__ import division, print_function, absolute_import
import CDTools
from matplotlib import pyplot as plt
import time
# First, we load an example dataset from a .cxi file
filename = 'example_data/lab_ptycho_data.cxi'
dataset = CDTools.datasets.Ptycho2DDataset.from_cxi(filename)
# Next, we create a ptychography model from the dataset
model = CDTools.models.SimplePtycho.from_dataset(dataset)
t = time.time()
# Now, we run a short reconstruction from the dataset!
for i, loss in enumerate(model.Adam_optimize(40, dataset,lr=0.01,batch_size=25)):#,batch_size=10000)):#0.001)):
print(i, loss)
print(time.time() - t)
# Finally, we plot the results
model.inspect(dataset)
model.compare(dataset)
plt.show()