mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-16 16:25:53 +01:00
68 lines
1.6 KiB
ObjectPascal
68 lines
1.6 KiB
ObjectPascal
program HoughCircles;
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{$APPTYPE CONSOLE}
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{$R *.res}
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uses
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System.SysUtils,
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core_c in '..\..\include\ñore\core_c.pas',
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Core.types_c in '..\..\include\ñore\Core.types_c.pas',
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highgui_c in '..\..\include\highgui\highgui_c.pas',
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imgproc.types_c in '..\..\include\imgproc\imgproc.types_c.pas',
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imgproc_c in '..\..\include\imgproc\imgproc_c.pas';
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const
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filename = 'opencv_logo_with_text_sm.png';
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Type
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TFloatArray = array [0 .. 10] of Single;
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pFloatArray = ^TFloatArray;
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Var
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image: pIplImage = nil;
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src: pIplImage = nil;
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storage: pCvMemStorage;
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results: pCvSeq;
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i: Integer;
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p: pFloatArray;
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pt:TCvPoint;
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begin
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// ïîëó÷àåì êàðòèíêó (â ãðàäàöèÿõ ñåðîãî)
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image := cvLoadImage(filename, CV_LOAD_IMAGE_GRAYSCALE);
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WriteLn(Format('[i] image: %s', [filename]));
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// çàãðóçèì îðèãèíàëüíîå èçîáðàæåíèè
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src := cvLoadImage(filename);
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// õðàíèëèùå ïàìÿòè äëÿ êðóãîâ
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storage := cvCreateMemStorage(0);
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// ñãëàæèâàåì èçîáðàæåíèå
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cvSmooth(image, image, CV_GAUSSIAN, 5, 5);
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// ïîèñê êðóãîâ
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results := cvHoughCircles(image, storage, CV_HOUGH_GRADIENT, 10, image^.width / 5);
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// ïðîáåãàåìñÿ ïî êðóãàì è ðèñóåì èõ íà îðèãèíàëüíîì èçîáðàæåíèè
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for i := 0 to results^.total - 1 do
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begin
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p := pFloatArray(cvGetSeqElem(results, i));
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pt := CvPoint(cvRound(p^[0]), cvRound(p^[1]));
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cvCircle(src, pt, cvRound(p^[2]), CV_RGB(255, 0, 0));
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end;
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// ïîêàçûâàåì
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cvNamedWindow('cvHoughCircles', 1);
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cvShowImage('cvHoughCircles', src);
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// æä¸ì íàæàòèÿ êëàâèøè
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cvWaitKey(0);
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// îñâîáîæäàåì ðåñóðñû
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cvReleaseMemStorage(storage);
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cvReleaseImage(image);
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cvReleaseImage(src);
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cvDestroyAllWindows();
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end.
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