static void ColorSegmentationExample(MIL_ID MilSystem, MIL_ID MilDisplay)
{
MIL_ID SourceChild = MIL.M_NULL; // Source image buffer identifier.
MIL_ID DestChild = MIL.M_NULL; // Dest image buffer identifier.
MIL_ID MatchContext = MIL.M_NULL; // Color matching context identifier.
MIL_ID MatchResult = MIL.M_NULL; // Color matching result identifier.
MIL_ID DisplayImage = MIL.M_NULL; // Display image buffer identifier.
MIL_INT SourceSizeX = 0;
MIL_INT SourceSizeY = 0; // Source image sizes
MIL_INT SampleIndex = 0;
MIL_INT SpacesIndex = 0; // Indices
double MatchScore = 0.0; // Color matching score.
// Blank spaces to align the samples names evenly.
string[] Spaces = { "", " ", " ", " " };
// Color samples names.
string[] SampleNames = { "Green", "Red", "Yellow", "Purple", "Blue", "Pink" };
// Color samples position: {OffsetX, OffsetY}
double[,] SamplesROI = new double[, ] {
{ 58, 143 }, { 136, 148 }, { 217, 144 }, { 295, 142 }, { 367, 143 }, { 442, 147 }
};
// Color samples size.
const double SampleSizeX = 36, SampleSizeY = 32;
// Array for match sample colors.
MIL_INT[,] SampleMatchColor = new MIL_INT[NUM_SAMPLES, 3];
Console.Write("\nCOLOR SEGMENTATION:\n");
Console.Write("-------------------\n");
// Allocate the parent display image.
MIL.MbufDiskInquire(CANDY_SAMPLE_IMAGE_FILE, MIL.M_SIZE_X, ref SourceSizeX);
MIL.MbufDiskInquire(CANDY_SAMPLE_IMAGE_FILE, MIL.M_SIZE_Y, ref SourceSizeY);
MIL.MbufAllocColor(MilSystem, 3, 2 * SourceSizeX + DISPLAY_CENTER_MARGIN_X, SourceSizeY, 8 + MIL.M_UNSIGNED, MIL.M_IMAGE + MIL.M_DISP + MIL.M_PROC, ref DisplayImage);
MIL.MbufClear(DisplayImage, MIL.M_COLOR_BLACK);
// Create a source and dest child in the display image.
MIL.MbufChild2d(DisplayImage, 0, 0, SourceSizeX, SourceSizeY, ref SourceChild);
MIL.MbufChild2d(DisplayImage, SourceSizeX + DISPLAY_CENTER_MARGIN_X, 0, SourceSizeX, SourceSizeY, ref DestChild);
// Load the source image into the source child.
MIL.MbufLoad(CANDY_SAMPLE_IMAGE_FILE, SourceChild);
// Allocate a color matching context.
MIL.McolAlloc(MilSystem, MIL.M_COLOR_MATCHING, MIL.M_RGB, MIL.M_DEFAULT, MIL.M_DEFAULT, ref MatchContext);
// Define each color sample in the context.
for (int i = 0; i < NUM_SAMPLES; i++)
{
MIL.McolDefine(MatchContext, SourceChild, MIL.M_SAMPLE_LABEL(i + 1), MIL.M_IMAGE, SamplesROI[i, 0], SamplesROI[i, 1], SampleSizeX, SampleSizeY);
}
// Set the color matching parameters.
MIL.McolSetMethod(MatchContext, MATCH_MODE, DISTANCE_TYPE, MIL.M_DEFAULT, MIL.M_DEFAULT);
MIL.McolControl(MatchContext, MIL.M_CONTEXT, MIL.M_DISTANCE_TOLERANCE_MODE, TOLERANCE_MODE);
MIL.McolControl(MatchContext, MIL.M_ALL, MIL.M_DISTANCE_TOLERANCE, TOLERANCE_VALUE);
// Adjust tolerances for the red, yellow and pink samples.
MIL.McolControl(MatchContext, MIL.M_SAMPLE_INDEX(1), MIL.M_DISTANCE_TOLERANCE, RED_TOLERANCE_VALUE);
MIL.McolControl(MatchContext, MIL.M_SAMPLE_INDEX(2), MIL.M_DISTANCE_TOLERANCE, YELLOW_TOLERANCE_VALUE);
MIL.McolControl(MatchContext, MIL.M_SAMPLE_INDEX(5), MIL.M_DISTANCE_TOLERANCE, PINK_TOLERANCE_VALUE);
// Preprocess the context.
MIL.McolPreprocess(MatchContext, MIL.M_DEFAULT);
// Fill the samples colors array.
for (int i = 0; i < NUM_SAMPLES; i++)
{
MIL.McolInquire(MatchContext, MIL.M_SAMPLE_LABEL(i + 1), MIL.M_MATCH_SAMPLE_COLOR_BAND_0 + MIL.M_TYPE_MIL_INT, ref SampleMatchColor[i, 0]);
MIL.McolInquire(MatchContext, MIL.M_SAMPLE_LABEL(i + 1), MIL.M_MATCH_SAMPLE_COLOR_BAND_1 + MIL.M_TYPE_MIL_INT, ref SampleMatchColor[i, 1]);
MIL.McolInquire(MatchContext, MIL.M_SAMPLE_LABEL(i + 1), MIL.M_MATCH_SAMPLE_COLOR_BAND_2 + MIL.M_TYPE_MIL_INT, ref SampleMatchColor[i, 2]);
}
// Draw the samples.
DrawSampleColors(DestChild, SampleMatchColor, SampleNames, NUM_SAMPLES, CANDY_SAMPLES_XSPACING, CANDY_SAMPLES_YOFFSET);
// Select the image buffer for display.
MIL.MdispSelect(MilDisplay, DisplayImage);
// Pause to show the original image.
Console.Write("Color samples are defined for each possible candy color.\n");
Console.Write("Press <Enter> to do color matching.\n\n");
Console.ReadKey();
// Load the target image.*/
MIL.MbufClear(DisplayImage, MIL.M_COLOR_BLACK);
MIL.MbufLoad(CANDY_TARGET_IMAGE_FILE, SourceChild);
// Allocate a color matching result buffer.
MIL.McolAllocResult(MilSystem, MIL.M_COLOR_MATCHING_RESULT, MIL.M_DEFAULT, ref MatchResult);
// Enable controls to draw the labeled color image.
MIL.McolControl(MatchContext, MIL.M_CONTEXT, MIL.M_GENERATE_PIXEL_MATCH, MIL.M_ENABLE);
MIL.McolControl(MatchContext, MIL.M_CONTEXT, MIL.M_GENERATE_SAMPLE_COLOR_LUT, MIL.M_ENABLE);
// Match with target image.
MIL.McolMatch(MatchContext, SourceChild, MIL.M_DEFAULT, MIL.M_NULL, MatchResult, MIL.M_DEFAULT);
// Retrieve and display results.
Console.Write("Each pixel of the mixture is matched " +
"with one of the color samples.\n");
Console.Write("\nColor segmentation results:\n");
Console.Write("---------------------------\n");
for (SampleIndex = 0; SampleIndex < NUM_SAMPLES; SampleIndex++)
{
MIL.McolGetResult(MatchResult, MIL.M_DEFAULT, MIL.M_SAMPLE_INDEX((int)SampleIndex), MIL.M_SCORE, ref MatchScore);
SpacesIndex = 6 - SampleNames[SampleIndex].Length;
Console.Write("Ratio of {0}{1} sample = {2,5:0.00}%\n", SampleNames[SampleIndex], Spaces[SpacesIndex], MatchScore);
}
Console.Write("\nResults reveal the low proportion of Blue candy.\n");
// Draw the colored label image in the destination child.
MIL.McolDraw(MIL.M_DEFAULT, MatchResult, DestChild, MIL.M_DRAW_PIXEL_MATCH_USING_COLOR, MIL.M_ALL, MIL.M_ALL, MIL.M_DEFAULT);
// Pause to show the result image.
Console.Write("\nPress <Enter> to end.\n\n");
Console.ReadKey();
// Free all allocations.
MIL.MbufFree(DestChild);
MIL.MbufFree(SourceChild);
MIL.MbufFree(DisplayImage);
MIL.McolFree(MatchResult);
MIL.McolFree(MatchContext);
}
