private static IBitVector GetValueBitVector(byte[,] imageData, IBitVectorFactory bitVectorFactory)
{
const byte height = 28;
const byte width = 28;
const int pixelRepresentationSizeInBits = 8;
return(bitVectorFactory.Create(
GetActiveBitIndices(imageData, height, width, pixelRepresentationSizeInBits),
height * width * pixelRepresentationSizeInBits));
}
private IBitVector Punch(IBitVector bitVector, IReadOnlyCollection<int> indices)
{
return _bitVectorFactory.Create(PunchActiveBitIndices(bitVector, indices), indices.Count);
}
internal static IBitVector GetLabelBitVector(byte label, IBitVectorFactory bitVectorFactory)
{
return(bitVectorFactory.Create(
GetActiveBitIndices(label).Where(i => i >= 4).Select(i => i - 4),
4));
}
private static IBitVector GetLabelBitVector(byte label, IBitVectorFactory bitVectorFactory)
{
return(bitVectorFactory.Create(
GetActiveBitIndices(label).Select(i => 7 - i),
4));
}