public void gradientAtPoint4_IntPoint_Test() //Проверка градиента внутренней точки
{
//arrange
IParser parser = new Parser();
Bitmap img = parser.readPNG("Data\\sample_10.png");
MathematicialSearchPoint core = new MathematicialSearchPoint4();
core.setImage(img);
double[,] X = new double[3, 3];
for (int i = 600; i < 603; i++)
{
for (int j = 600; j < 603; j++)
{
X[i - 600, j - 600] = img.GetPixel(i, j).B; //Матрица окружения точки (601,601)
}
}
double grad = 0;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
grad += X[i, j] * core.XMatrix[j, i];
}
}
//act
double exepected = grad;
double actual = core.gradientAtPoint(601, 601);
//assert
Assert.AreEqual(exepected, actual);
}
public void gradientAtPoint4_BoundaryPoint_Test() //Проверка градиента граничной точки
{
//arrange
IParser parser = new Parser();
Bitmap img = parser.readPNG("Data\\sample_10.png");; //Заполнение монохромного изображения
MathematicialSearchPoint core = new MathematicialSearchPoint4();
core.setImage(img);
double[,] X = new double[3, 3];
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
X[i, j] = 0;
}
}
for (int i = 798; i < 800; i++)
{
for (int j = 2; j < 5; j++)
{
X[i - 798, j - 2] = img.GetPixel(i, j).B; //Матрица окружения точки (799,3)
}
}
double grad = 0;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
grad += X[i, j] * core.XMatrix[j, i];
}
}
//act
double exepected = grad;
double actual = core.gradientAtPoint(799, 3);
//assert
Assert.AreEqual(exepected, actual);
}
public void MathematicialSearchPoint_4Test() //Проверка ядра свертки
{
//arrange
MathematicialSearchPoint core = new MathematicialSearchPoint4();
//act
double[,] exepectedG = new double[, ] {
{ 1, -2, 1 }, { -2, 4, -2 }, { 1, -2, 1 }
};
double[,] actualG = core.XMatrix;
//assert
Debug.WriteLine("Проверка ядер свертки Gx и Gy");
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
Assert.AreEqual(exepectedG[i, j], actualG[i, j]);
}
}
}
