mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-16 16:25:53 +01:00
fde0aa2f53
LibTest [+] cv_CalcOpticalFlowPyrLK [+] cv_SnakeImage MultiDemo [+] CameraShift [+] Squares Signed-off-by: Laex <laex@bk.ru>
102 lines
2.3 KiB
ObjectPascal
102 lines
2.3 KiB
ObjectPascal
// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
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// JCL_DEBUG_EXPERT_INSERTJDBG OFF
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// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
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program cv_Sobel;
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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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{$I ..\..\uses_include.inc}
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;
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const
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filename = 'Resource\cat2.jpg';
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Var
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xorder: Integer = 1;
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xorder_max: Integer = 2;
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yorder: Integer = 1;
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yorder_max: Integer = 2;
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// ôóíêöèÿ-îáðàáîò÷èê ïîëçóíêà -
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// ïîðÿäîê ïðîèçâîäíîé ïî X
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procedure myTrackbarXorder(pos: Integer); cdecl;
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begin
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xorder := pos;
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end;
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//
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// ôóíêöèÿ-îáðàáîò÷èê ïîëçóíêà -
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// ïîðÿäîê ïðîèçâîäíîé ïî Y
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procedure myTrackbarYorder(pos: Integer); cdecl;
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begin
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yorder := pos;
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end;
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Var
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image: pIplImage = nil;
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dst: pIplImage = nil;
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dst2: pIplImage = nil;
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aperture: Integer = 3;
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c: Integer;
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begin
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try
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// ïîëó÷àåì êàðòèíêó
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image := cvLoadImage(filename);
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WriteLn(Format('[i] image: %s', [filename]));
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// ñîçäà¸ì êàðòèíêè
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dst := cvCreateImage(cvSize(image^.width, image^.height), IPL_DEPTH_16S, image^.nChannels);
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dst2 := cvCreateImage(cvSize(image^.width, image^.height), image^.depth, image^.nChannels);
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// îêíî äëÿ îòîáðàæåíèÿ êàðòèíêè
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cvNamedWindow('original', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('sobel', CV_WINDOW_AUTOSIZE);
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cvCreateTrackbar('xorder', 'original', @xorder, xorder_max, myTrackbarXorder);
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cvCreateTrackbar('yorder', 'original', @yorder, yorder_max, myTrackbarYorder);
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while True do
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begin
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// ïðîâåðÿåì, ÷òîáû ïîðÿäîê ïðîèçâîäíûõ ïî X è Y áûë îòëè÷åí îò 0
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if (xorder = 0) and (yorder = 0) then
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begin
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WriteLn('[i] Error: bad params for cvSobel() !');
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cvZero(dst2);
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end
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else
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begin
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// ïðèìåíÿåì îïåðàòîð Ñîáåëÿ
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cvSobel(image, dst, xorder, yorder, aperture);
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// ïðåîáðàçóåì èçîáðàæåíèå ê 8-áèòíîìó
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cvConvertScale(dst, dst2);
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end;
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// ïîêàçûâàåì êàðòèíêó
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cvShowImage('original', image);
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cvShowImage('sobel', dst2);
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c := cvWaitKey(33);
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if (c = 27) then
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// åñëè íàæàòà ESC - âûõîäèì
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break;
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end;
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// îñâîáîæäàåì ðåñóðñû
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cvReleaseImage(image);
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cvReleaseImage(dst);
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cvReleaseImage(dst2);
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// óäàëÿåì îêíà
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cvDestroyAllWindows;
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except
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on E: Exception do
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WriteLn(E.ClassName, ': ', E.Message);
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end;
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end.
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