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…terface for simplenn. (Missing: DAG, unit tests.)
…ries). RMSProp is unpublished, this implementation is based on Karpathy's lecture notes: http://cs231n.github.io/neural-networks-3/
…roved documentation on learning rates.
…t tests; minor documentation tweaks
…crease of update magnitudes to 0
Conflicts: examples/cnn_train.m examples/cnn_train_dag.m
… instead of the MATLAB default ones
Loss improvements Approved-by: Joao Henriques <jotaf98@hotmail.com>
…r vl_nn* functions) An empty derivative input was required in forward mode when passing additional parameters (e.g. vl_nnrelu(x, [], 'leak', 0.1), while in other functions the derivative is omitted.
At the end, the original purpose of having a network all the time in a valid state does almost never works as the network fails on rebuild. The rethrow makes it harder to debug issues.
Loss.m: number of samples for spatial maps now handled correctly (instead of crashing). vl_nnpdist.m: Handles correctly aggregate for 4D tensors.
With aggregate -> single scalar, numerically the algorithm is even worse. Decreased the size of the input tensor.
Minimal training/custom IMDB example with toy data, and tensor visualization function * added cnn_toy_data example, and vl_tshow to visualize tensors * fix vl_tshow for ndims < 4 * decouple toy image generation from IMDB creation, more realistic use-case * vl_tshow: allow setting parent axes and other properties * vl_tshow: replace hacky montage+padding with imagesc+grid, better scaling * moved files to examples/custom_imdb/
Improvements to vl_argparse: 'field.subfield' syntax, ignore missing defaults (all optional) Approved-by: Samuel <albanie@robots.ox.ac.uk> Approved-by: Andrea Vedaldi <vedaldi@robots.ox.ac.uk>
fixes dropout explanation updates vl_nndropout doc string to define rate as the probability that a variable is dropped. Approved-by: Andrea Vedaldi <vedaldi@robots.ox.ac.uk>
Originally used only in debug mode. The bilinearsampler_gpu needs cleanup.
Makefile: upgrades default CUDA and MATLAB
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Previous layer's biases should be multiplied by (gamma / sigma) as well