mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-16 16:25:53 +01:00
235 lines
6.9 KiB
ObjectPascal
235 lines
6.9 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_And;
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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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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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Rmin: Integer = 0;
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Rmax: Integer = 256;
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Gmin: Integer = 0;
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Gmax: Integer = 256;
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Bmin: Integer = 0;
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Bmax: Integer = 256;
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RGBmax: Integer = 256;
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image: pIplImage = nil;
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dst: pIplImage = nil;
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// äëÿ õðàíåíèÿ êàíàëîâ RGB
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rgb: pIplImage = nil;
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r_plane: pIplImage = nil;
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g_plane: pIplImage = nil;
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b_plane: pIplImage = nil;
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// äëÿ õðàíåíèÿ êàíàëîâ RGB ïîcëå ïðåîáðàçîâàíèÿ
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r_range: pIplImage = nil;
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g_range: pIplImage = nil;
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b_range: pIplImage = nil;
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// äëÿ õðàíåíèÿ cóììàðíîé êàðòèíêè
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rgb_and: pIplImage = nil;
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//
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// ôóíêöèè-îáðàáîò÷èêè ïîëçóíêà
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//
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procedure myTrackbarRmin(pos: Integer); cdecl;
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begin
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Rmin := pos;
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cvInRangeS(r_plane, cvScalar(Rmin), cvScalar(Rmax), r_range);
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end;
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procedure myTrackbarRmax(pos: Integer); cdecl;
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begin
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Rmax := pos;
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cvInRangeS(r_plane, cvScalar(Rmin), cvScalar(Rmax), r_range);
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end;
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procedure myTrackbarGmin(pos: Integer); cdecl;
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begin
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Gmin := pos;
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cvInRangeS(g_plane, cvScalar(Gmin), cvScalar(Gmax), g_range);
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end;
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procedure myTrackbarGmax(pos: Integer); cdecl;
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begin
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Gmax := pos;
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cvInRangeS(g_plane, cvScalar(Gmin), cvScalar(Gmax), g_range);
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end;
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procedure myTrackbarBmin(pos: Integer); cdecl;
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begin
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Bmin := pos;
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cvInRangeS(b_plane, cvScalar(Bmin), cvScalar(Bmax), b_range);
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end;
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procedure myTrackbarBmax(pos: Integer); cdecl;
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begin
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Bmax := pos;
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cvInRangeS(b_plane, cvScalar(Bmin), cvScalar(Bmax), b_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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S: TCvSize;
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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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// cîçäà¸ì êàðòèíêè
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S := cvGetSize(image);
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rgb := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 3);
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r_plane := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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g_plane := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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b_plane := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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r_range := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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g_range := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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b_range := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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rgb_and := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
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// êîïèðóåì
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cvCopyImage(image, rgb);
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// ðàçáèâàåì íà îòåëüíûå êàíàëû
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cvSplit(rgb, b_plane, g_plane, r_plane, nil);
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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(r_plane, @framemin, @framemax);
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WriteLn(Format('[R] %f x %f', [framemin, framemax]));
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Rmin := Trunc(framemin);
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Rmax := Trunc(framemax);
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cvMinMaxLoc(g_plane, @framemin, @framemax);
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WriteLn(Format('[G] %f x %f', [framemin, framemax]));
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Gmin := Trunc(framemin);
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Gmax := Trunc(framemax);
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cvMinMaxLoc(b_plane, @framemin, @framemax);
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WriteLn(Format('[B] %f x %f', [framemin, framemax]));
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Bmin := Trunc(framemin);
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Bmax := Trunc(framemax);
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// îêíà äëÿ îòîáðàæåíèÿ êàðòèíêè
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cvNamedWindow('original', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('R', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('G', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('B', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('R range', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('G range', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('B range', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('rgb and', CV_WINDOW_AUTOSIZE);
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cvCreateTrackbar('Rmin', 'R range', @Rmin, RGBmax, myTrackbarRmin);
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cvCreateTrackbar('Rmax', 'R range', @Rmax, RGBmax, myTrackbarRmax);
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cvCreateTrackbar('Gmin', 'G range', @Gmin, RGBmax, myTrackbarGmin);
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cvCreateTrackbar('Gmax', 'G range', @Gmax, RGBmax, myTrackbarGmax);
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cvCreateTrackbar('Bmin', 'B range', @Gmin, RGBmax, myTrackbarBmin);
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cvCreateTrackbar('Bmax', 'B range', @Gmax, RGBmax, myTrackbarBmax);
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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('R', image^.width + 10, 0);
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cvMoveWindow('G', (image^.width + 10) * 2, 0);
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cvMoveWindow('B', (image^.width + 10) * 3, 0);
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cvMoveWindow('rgb and', 0, image^.height + 30);
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cvMoveWindow('R range', image^.width + 10, image^.height + 30);
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cvMoveWindow('G range', (image^.width + 10) * 2, image^.height + 30);
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cvMoveWindow('B 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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// ïîêàçûâàåì cëîè
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cvShowImage('R', r_plane);
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cvShowImage('G', g_plane);
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cvShowImage('B', b_plane);
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// ïîêàçûâàåì ðåçóëüòàò ïîðîãîâîãî ïðåîáðàçîâàíèÿ
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cvShowImage('R range', r_range);
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cvShowImage('G range', g_range);
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cvShowImage('B range', b_range);
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// cêëàäûâàåì
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cvAnd(r_range, g_range, rgb_and);
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cvAnd(rgb_and, b_range, rgb_and);
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// ïîêàçûâàåì ðåçóëüòàò
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cvShowImage('rgb and', rgb_and);
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c := cvWaitKey(33);
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if (c = 27) then
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// 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('[i][R] %d : %d', [Rmin, Rmax]));
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WriteLn(Format('[i][G] %d : %d', [Gmin, Gmax]));
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WriteLn(Format('[i][B] %d : %d', [Bmin, Bmax]));
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// îcâîáîæäàåì ðåcóðcû
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cvReleaseImage(image);
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cvReleaseImage(rgb);
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cvReleaseImage(r_plane);
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cvReleaseImage(g_plane);
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cvReleaseImage(b_plane);
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cvReleaseImage(r_range);
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cvReleaseImage(g_range);
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cvReleaseImage(b_range);
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cvReleaseImage(rgb_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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