public void ConvertTest2()
{
// Load a test image
BitmapSource sourceImage = TestTools.GetImage("image1.bmp");
// Make sure values are binary
sourceImage = new Threshold().Apply(sourceImage);
// Create the converters
var imageToMatrix = new BitmapSourceToMatrix();
var matrixToImage = new MatrixToBitmapSource();
// Convert to matrix
double[,] matrix; // initialization is not needed
imageToMatrix.Convert(sourceImage, out matrix);
// Revert to image
BitmapSource resultImage; // initialization is not needed
matrixToImage.Convert(matrix, out resultImage);
Assert.AreEqual(PixelFormats.Gray32Float, resultImage.Format);
UnmanagedImage img1 = sourceImage.ToUnmanagedImage();
UnmanagedImage img2 = resultImage.ToUnmanagedImage();
List <IntPoint> p1 = img1.CollectActivePixels();
List <IntPoint> p2 = img2.CollectActivePixels();
bool equals = new HashSet <IntPoint>(p1).SetEquals(p2);
Assert.IsTrue(equals);
}
public void ConvertTest3()
{
double[] pixels =
{
0, 0, 0, 0,
0, 1, 1, 0,
0, 1, 1, 0,
0, 0, 0, 0,
};
var conv1 = new ArrayToBitmapSource(width: 4, height: 4);
BitmapSource image;
conv1.Convert(pixels, out image);
image = new ResizeNearestNeighbor(16, 16).Apply(image);
// Obtain an image
// Bitmap image = ...
// Show on screen
//ImageBox.Show(image, PictureBoxSizeMode.Zoom);
// Create the converter to convert the image to a
// matrix containing only values between 0 and 1
var conv = new BitmapSourceToMatrix();
// Convert the image and store it in the matrix
double[,] matrix; conv.Convert(image, out matrix);
/*
* // Show the matrix on screen as an image
* ImageBox.Show(matrix, PictureBoxSizeMode.Zoom);
*
*
* // Show the matrix on screen as a .NET multidimensional array
* MessageBox.Show(matrix.ToString(CSharpMatrixFormatProvider.InvariantCulture));
*
* // Show the matrix on screen as a table
* DataGridBox.Show(matrix, nonBlocking: true)
* .SetAutoSizeColumns(DataGridViewAutoSizeColumnsMode.Fill)
* .SetAutoSizeRows(DataGridViewAutoSizeRowsMode.AllCellsExceptHeaders)
* .SetDefaultFontSize(5)
* .WaitForClose();
*/
Assert.AreEqual(0, matrix.Min());
Assert.AreEqual(1, matrix.Max());
Assert.AreEqual(16 * 16, matrix.Length);
}
public void ConvertTest()
{
var target = new BitmapSourceToMatrix();
BitmapSource imageSource = TestTools.GetImage("image1.bmp");
Bitmap bmp = imageSource.ToBitmap();
new Invert().ApplyInPlace(bmp);
new Threshold().ApplyInPlace(bmp);
BitmapSource image = bmp.ToBitmapSource();
double[,] output;
double[,] outputExpected =
{
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 0
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 1
{ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, // 2
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 3
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 4
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 5
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 6
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 7
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 8
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 9
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 10
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 11
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 12
{ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, // 13
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 14
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 15
};
target.Convert(image, out output);
for (int i = 0; i < outputExpected.GetLength(0); i++)
{
for (int j = 0; j < outputExpected.GetLength(1); j++)
{
Assert.AreEqual(outputExpected[i, j], output[i, j]);
}
}
}
public void ConvertTest4()
{
var target = new BitmapSourceToMatrix();
BitmapSource image = Accord.Imaging.Image.Clone(Resources.image3).ToBitmapSource();
Assert.AreEqual(System.Drawing.Imaging.PixelFormat.Format32bppArgb.ToWPF(), image.Format);
{
double[,] output;
double[,] outputExpected =
{
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 0
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 1
{ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 2
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 3
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 4
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 5
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 6
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 7
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 8
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 9
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 10
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 11
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 12
{ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 13
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 14
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 15
};
target.Channel = 0;
target.Convert(image, out output);
double a = output[2, 2];
double e = outputExpected[2, 2];
Assert.AreEqual(e, a);
for (int i = 0; i < outputExpected.GetLength(0); i++)
{
for (int j = 0; j < outputExpected.GetLength(1); j++)
{
Assert.AreEqual(outputExpected[i, j], output[i, j]);
}
}
}
{
double[,] output;
double[,] outputExpected =
{
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 0
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 1
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, // 2
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 3
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 4
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 5
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 6
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 7
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 8
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 9
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 10
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 11
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 12
{ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 13
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 14
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 15
};
target.Channel = 1;
target.Convert(image, out output);
for (int i = 0; i < outputExpected.GetLength(0); i++)
{
for (int j = 0; j < outputExpected.GetLength(1); j++)
{
Assert.AreEqual(outputExpected[i, j], output[i, j]);
}
}
}
{
double[,] output;
double[,] outputExpected =
{
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 0
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 1
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 2
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 3
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 4
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 5
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 6
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 7
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 8
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 9
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 10
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 11
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 12
{ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, // 13
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 14
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 15
};
target.Channel = 2;
target.Convert(image, out output);
for (int i = 0; i < outputExpected.GetLength(0); i++)
{
for (int j = 0; j < outputExpected.GetLength(1); j++)
{
Assert.AreEqual(outputExpected[i, j], output[i, j]);
}
}
}
}
