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Add model.eval() in neural_style_tutorial.py #2371

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May 31, 2023
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Add model.eval() in neural_style_tutorial.py #2371

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3 changes: 3 additions & 0 deletions advanced_source/neural_style_tutorial.py
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Expand Up @@ -423,6 +423,9 @@ def run_style_transfer(cnn, normalization_mean, normalization_std,
# We want to optimize the input and not the model parameters so we
# update all the requires_grad fields accordingly
input_img.requires_grad_(True)
# We also put the model in evaluation mode, so that specific layers
# such as dropout or batch normalization layers behave correctly.
model.eval()
model.requires_grad_(False)

optimizer = get_input_optimizer(input_img)
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