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Added possibility to set num_downsampling_paths for Unet as part of model configuration #425
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ant0nsc
approved these changes
Mar 26, 2021
melanibe
approved these changes
Mar 26, 2021
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The
Unetparameternum_downsampling_pathsdefines the number of network layers. It was previously always set to4, but can now be modified as a part of model configuration. The default value remains4. A lower value may be useful for decreasing memory requirements, of for working with shorter images. (The minimum number of image slices required when using a network ofnlayers is2**n.)The parameter
num-downsampling-pathsis initialised in InnerEye/ML/config.py, then is used inUnetcreation in thebuild_net()function of InnerEye/ML/utils/model_util.py. An associated unit test has been added to Tests/ML/test_config_helpers.py.