classification pretraining 20 epochs,
classification_dict bounded rather than normalized, soft classNLLcrit thresholded at 0.6,
global L1 scaling 1, softmax scaling for entropy 0.875, L1 scaling 1.5, entropy scaling 0.2,
200 units, 11 ista iterations, 1 regularization iterations
learning rate 5e-3, minibatch size 10, 300 epochs pretraining
decoding_feature_extraction_dictionary rows are fully normalized