mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-18 01:05:53 +01:00
230 lines
6.7 KiB
ObjectPascal
230 lines
6.7 KiB
ObjectPascal
// *****************************************************************
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// Delphi-OpenCV Demo
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// Copyright (C) 2013 Project Delphi-OpenCV
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// ****************************************************************
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// Contributor:
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// Laentir Valetov
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// email:laex@bk.ru
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// ****************************************************************
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// You may retrieve the latest version of this file at the GitHub,
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// located at git://github.com/Laex/Delphi-OpenCV.git
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// ****************************************************************
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// The contents of this file are used with permission, subject to
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// the Mozilla Public License Version 1.1 (the "License"); you may
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// not use this file except in compliance with the License. You may
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// obtain a copy of the License at
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// http://www.mozilla.org/MPL/MPL-1_1Final.html
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//
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// Software distributed under the License is distributed on an
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// "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// rights and limitations under the License.
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// *******************************************************************
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program cv_CvtPixToPlane;
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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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ocv.highgui_c,
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ocv.core_c,
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ocv.core.types_c,
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ocv.imgproc_c,
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ocv.imgproc.types_c,
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uResourcePaths;
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const
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filename = cResourceMedia + 'roulette-wheel2-small.jpg';
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var
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image: pIplImage = nil;
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dst: pIplImage = nil;
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// äëÿ õðàíåíèÿ êàíàëîâ HSV
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hsv: pIplImage = nil;
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h_plane: pIplImage = nil;
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s_plane: pIplImage = nil;
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v_plane: pIplImage = nil;
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// äëÿ õðàíåíèÿ êàíàëîâ HSV ïîcëå ïðåîáðàçîâàíèÿ
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h_range: pIplImage = nil;
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s_range: pIplImage = nil;
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v_range: pIplImage = nil;
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// äëÿ õðàíåíèÿ cóììàðíîé êàðòèíêè
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hsv_and: pIplImage = nil;
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Hmin: Integer = 0;
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Hmax: Integer = 256;
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Smin: Integer = 0;
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Smax: Integer = 256;
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Vmin: Integer = 0;
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Vmax: Integer = 256;
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HSVmax: Integer = 256;
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//
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// ôóíêöèè-îáðàáîò÷èêè ïîëçóíêîâ
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//
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procedure myTrackbarHmin(pos: Integer); cdecl;
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begin
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Hmin := pos;
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cvInRangeS(h_plane, cvScalar(Hmin), cvScalar(Hmax), h_range);
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end;
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procedure myTrackbarHmax(pos: Integer); cdecl;
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begin
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Hmax := pos;
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cvInRangeS(h_plane, cvScalar(Hmin), cvScalar(Hmax), h_range);
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end;
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procedure myTrackbarSmin(pos: Integer); cdecl;
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begin
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Smin := pos;
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cvInRangeS(s_plane, cvScalar(Smin), cvScalar(Smax), s_range);
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end;
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procedure myTrackbarSmax(pos: Integer); cdecl;
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begin
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Smax := pos;
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cvInRangeS(s_plane, cvScalar(Smin), cvScalar(Smax), s_range);
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end;
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procedure myTrackbarVmin(pos: Integer); cdecl;
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begin
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Vmin := pos;
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cvInRangeS(v_plane, cvScalar(Vmin), cvScalar(Vmax), v_range);
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end;
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procedure myTrackbarVmax(pos: Integer); cdecl;
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begin
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Vmax := pos;
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cvInRangeS(v_plane, cvScalar(Vmin), cvScalar(Vmax), v_range);
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end;
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Var
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framemin, framemax: Double;
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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, 1);
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WriteLn(Format('[i] image: %s', [filename]));
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// cîçäà¸ì êàðòèíêè
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hsv := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 3);
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h_plane := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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s_plane := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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v_plane := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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h_range := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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s_range := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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v_range := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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hsv_and := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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// êîíâåðòèðóåì â HSV
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cvCvtColor(image, hsv, CV_BGR2HSV);
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// ðàçáèâàåì íà îòåëüíûå êàíàëû
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cvCvtPixToPlane(hsv, h_plane, s_plane, v_plane, 0);
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//
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// îïðåäåëÿåì ìèíèìàëüíîå è ìàêcèìàëüíîå çíà÷åíèå
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// ó êàíàëîâ HSV
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framemin := 0;
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framemax := 0;
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cvMinMaxLoc(h_plane, @framemin, @framemax);
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WriteLn(Format('[H] %f x %f', [framemin, framemax]));
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Hmin := Trunc(framemin);
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Hmax := Trunc(framemax);
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cvMinMaxLoc(s_plane, @framemin, @framemax);
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WriteLn(Format('[S] %f x %f', [framemin, framemax]));
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Smin := Trunc(framemin);
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Smax := Trunc(framemax);
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cvMinMaxLoc(v_plane, @framemin, @framemax);
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WriteLn(Format('[V] %f x %f', [framemin, framemax]));
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Vmin := Trunc(framemin);
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Vmax := Trunc(framemax);
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// îêíà äëÿ îòîáðàæåíèÿ êàðòèíêè
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cvNamedWindow('original', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('H', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('S', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('V', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('H range', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('S range', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('V range', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('hsv and', CV_WINDOW_AUTOSIZE);
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cvCreateTrackbar('Hmin', 'H range', @Hmin, HSVmax, myTrackbarHmin);
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cvCreateTrackbar('Hmax', 'H range', @Hmax, HSVmax, myTrackbarHmax);
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cvCreateTrackbar('Smin', 'S range', @Smin, HSVmax, myTrackbarSmin);
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cvCreateTrackbar('Smax', 'S range', @Smax, HSVmax, myTrackbarSmax);
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cvCreateTrackbar('Vmin', 'V range', @Vmin, HSVmax, myTrackbarVmin);
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cvCreateTrackbar('Vmax', 'V range', @Vmax, HSVmax, myTrackbarVmax);
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//
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// ðàçìåcòèì îêíà ïî ðàáî÷åìó còîëó
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//
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if (image^.width < 1920 / 4) and (image^.height < 1080 / 2) then
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begin
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cvMoveWindow('original', 0, 0);
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cvMoveWindow('H', image^.width + 10, 0);
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cvMoveWindow('S', (image^.width + 10) * 2, 0);
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cvMoveWindow('V', (image^.width + 10) * 3, 0);
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cvMoveWindow('hsv and', 0, image^.height + 30);
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cvMoveWindow('H range', image^.width + 10, image^.height + 30);
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cvMoveWindow('S range', (image^.width + 10) * 2, image^.height + 30);
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cvMoveWindow('V range', (image^.width + 10) * 3, image^.height + 30);
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end;
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while true do
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begin
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// ïîêàçûâàåì êàðòèíêó
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cvShowImage('original', image);
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cvShowImage('H', h_plane);
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cvShowImage('S', s_plane);
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cvShowImage('V', v_plane);
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cvShowImage('H range', h_range);
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cvShowImage('S range', s_range);
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cvShowImage('V range', v_range);
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// cêëàäûâàåì
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cvAnd(h_range, s_range, hsv_and);
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cvAnd(hsv_and, v_range, hsv_and);
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cvShowImage('hsv and', hsv_and);
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c := cvWaitKey(33);
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if (c = 27) then // åcëè íàæàòà ESC - âûõîäèì
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break;
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end;
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WriteLn('[i] Results:');
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WriteLn(Format('[H] %d x %d', [Hmin, Hmax]));
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WriteLn(Format('[S] %d x %d', [Smin, Smax]));
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WriteLn(Format('[V] %d x %d', [Vmin, Vmax]));
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// îcâîáîæäàåì ðåcóðcû
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cvReleaseImage(image);
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cvReleaseImage(hsv);
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cvReleaseImage(h_plane);
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cvReleaseImage(s_plane);
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cvReleaseImage(v_plane);
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cvReleaseImage(h_range);
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cvReleaseImage(s_range);
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cvReleaseImage(v_range);
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cvReleaseImage(hsv_and);
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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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