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delta_orthogonal_init's Introduction

Delta Orthogonal Initialization for Lua Torch

An implementation of the weight initialization proposed in the paper "Dynamical Isometry and a Mean Field Theory of CNNs: How to Train 10,000-Layer Vanilla Convolutional Neural Networks" by Xiao et al.

To initialize the weights in a single layer, call makeDeltaOrthogonal():

local conv = nn.SpatialConvolution(in, out, 3, 3)
makeDeltaOrthogonal(conv.weight)

To initialize all layers in a network, call initAll()

local model = nn.Sequential(...)
initAll(model)

License: MIT

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