public PoolingLayer(LayerConnection inputConnection, Filter mask, int stride, PoolingMethod method)
{
model = new MatrixModel(inputConnection.length, stride);
this.mask = mask;
nodes = new DepthList <PoolingNode>(inputConnection.depth);
int filterOutputsCount = model.filterOutputsCount(mask);
int filterLineCount = model.filterLineCount(mask);
for (int d = 0; d < inputConnection.depth; d++)
{
for (int i = 0; i < filterOutputsCount; i++)
{
List <Unit> inputUnits = new List <Unit>();
for (int x = 0; x < mask.count; x++)
{
int inner = x % mask.size + x / mask.size * model.size;
int outer = i % filterLineCount + i / filterLineCount * model.size;
inputUnits.Add(inputConnection[inner + outer, d]);
}
nodes.Add(new PoolingNode(inputUnits, method));
}
}
input = new PoolingLayerConnection(nodes);
}
public ConvolutionalLayer(LayerConnection inputConnection, Filter filter, int filtersAmount, int stride,
ActivationFunction activationFunction)
{
kernels = new List <List <Filter> >();
model = new MatrixModel(inputConnection.length, stride);
for (int f = 0; f < filtersAmount; f++)
{
kernels.Add(new List <Filter>());
for (int d = 0; d < inputConnection.depth; d++)
{
kernels[f].Add((Filter)filter.Clone());
}
}
neurons = new DepthList <ConvolutionalNeuron>(filtersAmount * inputConnection.depth);
for (int f = 0; f < filtersAmount; f++)
{
for (int d = 0; d < inputConnection.depth; d++)
{
for (int o = 0; o < model.filterOutputsCount(filter); o++)
{
List <int> indexes = new List <int>();
for (int x = 0; x < filter.count; x++)
{
int inner = x % filter.size + x / filter.size * model.size;
int outer = o % model.filterLineCount(filter) + o / model.filterLineCount(filter) * model.size;
indexes.Add(inner + outer);
}
List <Unit> inputUnits = new List <Unit>(inputConnection.length);
for (int i = inputConnection.depth * inputConnection.length;
i < (inputConnection.depth + 1) * inputConnection.length; i++)
{
inputUnits.Add(inputConnection[i]);
}
neurons.Add(new ConvolutionalNeuron(inputUnits, kernels[f][d], indexes, activationFunction));
}
}
}
input = new ConvolutionalLayerConnection(neurons);
}