private int[,] FindColValues(Matrix <byte> matrix, OCVGridDefinition gridDef, int testWidth)
{
int[,] result = new int[gridDef.Rows, gridDef.Cols];
int minVal, maxVal;
for (int c = 0; c < gridDef.Cols; c++)
{
int colLoc = (int)(gridDef.ColLocation(c) + gridDef.ColSize * 0.5);
result[0, c] = EXTERNALBORDER;
for (int r = 1; r < gridDef.Rows; r++)
{
int loc = gridDef.RowLocation(r);
minVal = Int32.MaxValue;
maxVal = Int32.MinValue;
for (int row = loc - testWidth; row < loc + testWidth; row++)
{
if (row < 0 || row >= matrix.Rows)
{
continue;
}
byte value = matrix.Data[row, colLoc];
if (value < minVal)
{
minVal = value;
}
if (value > maxVal)
{
maxVal = value;
}
}
result[r, c] = maxVal - minVal;
}
}
return(result);
}
private int[,] FindRowValues(Matrix <byte> matrix, OCVGridDefinition gridDef, int testWidth)
{
int[,] result = new int[gridDef.Rows, gridDef.Cols];
int minVal, maxVal;
for (int r = 0; r < gridDef.Rows; r++)
{
int rowLoc = (int)(gridDef.RowLocation(r) + gridDef.RowSize * 0.5);
for (int c = 1; c < gridDef.Cols; c++)
{
result[r, 0] = EXTERNALBORDER;
int loc = gridDef.ColLocation(c);
minVal = Int32.MaxValue;
maxVal = Int32.MinValue;
for (int col = loc - testWidth; col < loc + testWidth; col++)
{
if (col < 0 || col >= matrix.Cols)
{
continue;
}
byte value = matrix.Data[rowLoc, col];
if (value < minVal)
{
minVal = value;
}
if (value > maxVal)
{
maxVal = value;
}
}
result[r, c] = maxVal - minVal;
}
}
return(result);
}
private void DrawGrid(Image <Bgr, Byte> image, OCVGridDefinition gridDef, Bgr color)
{
for (int r = 0; r <= gridDef.Rows; r++)
{
image.Draw(new LineSegment2D(new Point(gridDef.TopLeft.X, gridDef.RowLocation(r)),
new Point(gridDef.TopLeft.X + gridDef.Width, gridDef.RowLocation(r))),
color, 2);
}
for (int c = 0; c <= gridDef.Cols; c++)
{
image.Draw(new LineSegment2D(new Point(gridDef.ColLocation(c), gridDef.TopLeft.Y),
new Point(gridDef.ColLocation(c), gridDef.TopLeft.Y + gridDef.Height)),
color, 2);
}
image.Draw(new Rectangle(gridDef.TopLeft.X, gridDef.TopLeft.Y, gridDef.Width, gridDef.Height), color, 2);
}
public double DeltaRows(OCVGridDefinition grid)
{
double result = 0;
for (int r = 0; r < grid.Rows; r++)
{
int location = grid.RowLocation(r);
int line0 = 0;
int line1 = HorizontalLines.Count - 1;
while (line0 < line1 - 1 && HorizontalLines[line0 + 1].GetSummaryLine().GetLocation() < location)
{
line0++;
}
while (line1 > line0 + 1 && (line1 == HorizontalLines.Count - 1 || HorizontalLines[line1 + 1].GetSummaryLine().GetLocation() > location))
{
line1--;
}
result += Math.Min(Math.Abs(location - HorizontalLines[line0].GetSummaryLine().GetLocation()),
Math.Abs(location - HorizontalLines[line1].GetSummaryLine().GetLocation()));
}
return(result / grid.Rows);
}
private Rectangle gridRect(OCVGridDefinition gridDef, int row, int col)
{
return(new Rectangle((int)gridDef.ColLocation(col), (int)gridDef.RowLocation(row), (int)gridDef.ColSize, (int)gridDef.RowSize));
}
