public FeatureMapNeuronActivationStrategy(IConvolutionStrategy convolutionStrategy,
IConfiguration configuration)
{
this.convolutionStrategy = convolutionStrategy;
this.configuration = configuration;
this.slidingStrategy = new StrideBasedSlideRetrievalStrategy();
}
public void GivenAThreeByThreeInputAndATwoByTwoFilter_WhenTheFilterIsSlid_ItShouldReturnAMappedRepresentationOfTheNextSection()
{
StrideBasedSlideRetrievalStrategy strategy = new StrideBasedSlideRetrievalStrategy();
Position position = new Position(0, 0, 1);
double[,] matrix = new double[4, 4];
matrix[0, 0] = 0;
matrix[0, 1] = 1;
matrix[0, 2] = 2;
matrix[1, 0] = 3;
matrix[1, 1] = 4;
matrix[1, 2] = 5;
matrix[2, 0] = 6;
matrix[2, 1] = 7;
matrix[2, 2] = 8;
ImageInput input = new ImageInput(new TwoDimensionalMapper(), new Configuration());
input.SetNumericRepresentation(matrix);
Slider slider = new Slider(position, 2, 2, 4, true);
double[] slide = strategy.GetSlide(input, slider);
double[] expected = { 0, 1, 3, 4 };
Assert.IsTrue(Enumerable.SequenceEqual(expected, slide));
}
public void GivenAFourByFourInputAndATwoByTwoFilter_WhenTheFilterIsSlidFromTheEnd_ItShouldReturnARepresentationOfTheLeftestSectionOneLevelDown()
{
StrideBasedSlideRetrievalStrategy strategy = new StrideBasedSlideRetrievalStrategy();
Position position = new Position(2, 0, 1);
double[,] matrix = new double[4, 4];
matrix[0, 0] = 0;
matrix[0, 1] = 1;
matrix[0, 2] = 2;
matrix[0, 3] = 3;
matrix[1, 0] = 4;
matrix[1, 1] = 5;
matrix[1, 2] = 6;
matrix[1, 3] = 7;
matrix[2, 0] = 8;
matrix[2, 1] = 9;
matrix[2, 2] = 10;
matrix[2, 3] = 11;
matrix[3, 0] = 12;
matrix[3, 1] = 13;
matrix[3, 2] = 14;
matrix[3, 3] = 15;
ImageInput input = new ImageInput(new TwoDimensionalMapper(), new Configuration());
input.SetNumericRepresentation(matrix);
Slider slider = new Slider(position, 2, 2, 4, true);
double[] slide = strategy.GetSlide(input, slider);
double[] expected = { 2, 3, 6, 7 };
Assert.IsTrue(Enumerable.SequenceEqual(expected, slide));
}
public void GivenAFourByFourInputAndAThreeByThreeFilter_WhenTheFilterIsSlid_ItShouldReturnAMappedRepresentationOfTheNextSection()
{
Mock <IConfiguration> configuration = new Mock <IConfiguration>();
configuration.Setup(x => x.GetValue(It.IsAny <String>())).Returns("3");
StrideBasedSlideRetrievalStrategy strategy = new StrideBasedSlideRetrievalStrategy();
Position position = new Position(0, 0, 1);
double[,] matrix = new double[4, 4];
matrix[0, 0] = 0;
matrix[0, 1] = 1;
matrix[0, 2] = 2;
matrix[0, 3] = 3;
matrix[1, 0] = 4;
matrix[1, 1] = 5;
matrix[1, 2] = 6;
matrix[1, 3] = 7;
matrix[2, 0] = 8;
matrix[2, 1] = 9;
matrix[2, 2] = 10;
matrix[2, 3] = 11;
matrix[3, 0] = 12;
matrix[3, 1] = 13;
matrix[3, 2] = 14;
matrix[3, 3] = 15;
ImageInput input = new ImageInput(new TwoDimensionalMapper(), new Configuration());
input.SetNumericRepresentation(matrix);
Slider slider = new Slider(position, 3, 3, 4, true);
double[] slide = strategy.GetSlide(input, slider);
double[] expected = { 0, 1, 2, 4, 5, 6, 8, 9, 10 };
Assert.IsTrue(Enumerable.SequenceEqual(expected, slide));
}
public ImageInput(ITwoDimensionalMapper mapper, IConfiguration configuration)
{
this.mapper = mapper;
this.configuration = configuration;
this.slideStrategy = new StrideBasedSlideRetrievalStrategy();
}