TIEVisionImage.matchTemplateAsMap

Declaration

function matchTemplateAsMap(templ: TIEVisionImage; matchMethod: TIEVisionTemplateMatchMethod): TIEVisionImage; safecall;

Description

Search the image for the location of the template image and returns the map of comparison results (a ie32f bitmap).

Parameter	Description
templ	Template image to find. It must be not larger than the source image
matchMethod	Comparison method

Using Template matching to find the original location of a cropped portion of image:

Note: If a map is not required use matchTemplate or matchTemplateMulti

Demos

	Demos\IEVision\PatternMatchingMap\PatternMatchingMap.dpr
	Demos\ImageEditing\EveryMethod\EveryMethod.dpr

procedure TMainForm.Button2Click(Sender: TObject);
var
  image, templ, map: TIEVisionImage;
  rect: TIEVisionRect;
begin
  ImageEnView1.LayersClear( False );

  // get image to search
  image := ImageEnView1.IEBitmap.GetIEVisionImage();

  // get the template image to find
  templ := IEVSource.IEBitmap.GetIEVisionImage();

  // perform template searching
  rect := image.matchTemplate(templ, TIEVisionTemplateMatchMethod(ComboBox1.ItemIndex));

  // draw a red box around the found rectangle
  ImageEnView1.LayersAdd( iesRectangle, IEVisionRectToTRect( rect ), clRed, 2 );

  // fill the resulting map
  map := image.matchTemplateAsMap(templ, TIEVisionTemplateMatchMethod(ComboBox1.ItemIndex));
  ImageEnView2.IEBitmap.AssignIEVisionImage(map);
end;

TIEVisionImage.matchTemplateAsMap