mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-16 16:25:53 +01:00
5cfe443f3d
* Canny * Sobel * Laplace * cvSub * HoughLines * HoughCircles to XE3 Signed-off-by: Laex <laex@bk.ru>
74 lines
1.7 KiB
ObjectPascal
74 lines
1.7 KiB
ObjectPascal
program HoughLines;
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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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Var
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src :pIplImage= Nil;
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dst :pIplImage=Nil;
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color_dst:pIplImage=Nil;
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storage:pCvMemStorage;
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i:Integer;
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lines:pCvSeq;
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line:pCvPointArray;
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begin
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// ïîëó÷àåì êàðòèíêó (â ãðàäàöèÿõ ñåðîãî)
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src := cvLoadImage(filename, CV_LOAD_IMAGE_GRAYSCALE);
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WriteLn(Format('[i] image: %s', [filename]));
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// õðàíèëèùå ïàìÿòè äëÿ õðàíåíèÿ íàéäåííûõ ëèíèé
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storage := cvCreateMemStorage(0);
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lines := nil;
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i := 0;
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dst := cvCreateImage( cvGetSize(src), 8, 1 );
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color_dst := cvCreateImage( cvGetSize(src), 8, 3 );
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// äåòåêòèðîâàíèå ãðàíèö
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cvCanny( src, dst, 50, 200, 3 );
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// êîíâåðòèðóåì â öâåòíîå èçîáðàæåíèå
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cvCvtColor( dst, color_dst, CV_GRAY2BGR );
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// íàõîæäåíèå ëèíèé
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lines := cvHoughLines2( dst, storage, CV_HOUGH_PROBABILISTIC, 1, CV_PI/180, 50, 50, 10 );
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// íàðèñóåì íàéäåííûå ëèíèè
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for i := 0 to lines^.total-1 do
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begin
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line := pCvPointArray(cvGetSeqElem(lines,i));
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cvLine(color_dst, line^[0], line^[1], CV_RGB(255,0,0), 3, CV_AA, 0 );
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end;
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// ïîêàçûâàåì
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cvNamedWindow( 'Source', 1 );
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cvShowImage( 'Source', src );
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cvNamedWindow( 'Hough', 1 );
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cvShowImage( 'Hough', color_dst );
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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(src);
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cvReleaseImage(dst);
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cvReleaseImage(color_dst);
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cvDestroyAllWindows();
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end.
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