Delphi-OpenCV/samples/LibTest/cvSplit_cvMerge/cvSplit_cvMerge.dpr

(* /*****************************************************************
  //                       Delphi-OpenCV Demo
  //               Copyright (C) 2013 Project Delphi-OpenCV
  // ****************************************************************
  // Contributor:
  // laentir Valetov
  // email:laex@bk.ru
  // ****************************************************************
  // You may retrieve the latest version of this file at the GitHub,
  // located at git://github.com/Laex/Delphi-OpenCV.git
  // ****************************************************************
  // The contents of this file are used with permission, subject to
  // the Mozilla Public License Version 1.1 (the "License"); you may
  // not use this file except in compliance with the License. You may
  // obtain a copy of the License at
  // http://www.mozilla.org/MPL/MPL-1_1Final.html
  //
  // Software distributed under the License is distributed on an
  // "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  // implied. See the License for the specific language governing
  // rights and limitations under the License.
  ******************************************************************* *)
// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
// JCL_DEBUG_EXPERT_INSERTJDBG OFF
// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
program cvSplit_cvMerge;

{$APPTYPE CONSOLE}
{$R *.res}

uses
  System.SysUtils,
uLibName in '..\..\..\include\uLibName.pas',
highgui_c in '..\..\..\include\highgui\highgui_c.pas',
core_c in '..\..\..\include\ñore\core_c.pas',
Core.types_c in '..\..\..\include\ñore\Core.types_c.pas',
imgproc.types_c in '..\..\..\include\imgproc\imgproc.types_c.pas',
imgproc_c in '..\..\..\include\imgproc\imgproc_c.pas',
legacy in '..\..\..\include\legacy\legacy.pas',
calib3d in '..\..\..\include\calib3d\calib3d.pas',
imgproc in '..\..\..\include\imgproc\imgproc.pas',
haar in '..\..\..\include\objdetect\haar.pas',
objdetect in '..\..\..\include\objdetect\objdetect.pas',
tracking in '..\..\..\include\video\tracking.pas',
Core in '..\..\..\include\ñore\core.pas'
  ;

const
  filename = 'Resource\cat2.jpg';

Var
  image: pIplImage = nil;
  gray: pIplImage = nil;
  dst: pIplImage = nil;
  dst2: pIplImage = nil;
  // äëÿ õðàíåíèÿ îòäåëüíûõ ñëî¸â RGB-èçîáðàæåíèÿ
  r: pIplImage = nil;
  g: pIplImage = nil;
  b: pIplImage = nil;
  temp: pIplImage = nil;

  t1, t2, t3: pIplImage; // äëÿ ïðîìåæóòî÷íîãî õðàíåíèÿ

begin
try
  // ïîëó÷àåì êàðòèíêó
  image := cvLoadImage(filename, 1);
  WriteLn(Format('[i] image: %s', [filename]));

  // ïîêàæåì èçîáðàæåíèå
  cvNamedWindow('original', CV_WINDOW_AUTOSIZE);
  cvShowImage('original', image);

  // êàðòèíêà äëÿ õðàíåíèÿ èçîáðàæåíèÿ â ãðàäàöèÿõ ñåðîãî
  gray := cvCreateImage(cvGetSize(image), image^.depth, 1);

  // ïðåîáðàçóåì êàðòèíêó â ãðàäàöèè ñåðîãî
  cvConvertImage(image, gray, CV_BGR2GRAY);

  // ïîêàæåì ñåðóþ êàðòèíêó
  cvNamedWindow('gray', 1);
  cvShowImage('gray', gray);

  dst := cvCreateImage(cvGetSize(gray), IPL_DEPTH_8U, 1);
  dst2 := cvCreateImage(cvGetSize(gray), IPL_DEPTH_8U, 1);

  // ïîðîãîâûå ïðåîáðàçîâàíèÿ íàä êàðòèíêîé â ãðàäàöèÿõ ñåðîãî
  cvThreshold(gray, dst, 50, 250, CV_THRESH_BINARY);
  cvAdaptiveThreshold(gray, dst2, 250, CV_ADAPTIVE_THRESH_GAUSSIAN_C, CV_THRESH_BINARY, 7, 1);

  // ïîêàçûâàåì ðåçóëüòàòû
  cvNamedWindow('cvThreshold', 1);
  cvShowImage('cvThreshold', dst);
  cvNamedWindow('cvAdaptiveThreshold', 1);
  cvShowImage('cvAdaptiveThreshold', dst2);

  // :=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=
  //
  // ïðîâåä¸ì ïîðîãîâîå ïðåîáðàçîâàíèå íàä RGB-êàðòèíêîé
  //

  r := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
  g := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
  b := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);

  // ðàçáèâàåì íà îòäåëüíûå ñëîè
  cvSplit(image, b, g, r, 0);

  // êàðòèíêà äëÿ õðàíåíèÿ ïðîìåæóòî÷íûõ ðåçóëüòàòîâ
  temp := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);

  // ñêëàäûâàåì êàðòèíêè ñ îäèíàêîâûì âåñîì
  cvAddWeighted(r, 1.0 / 3.0, g, 1.0 / 3.0, 0.0, temp);
  cvAddWeighted(temp, 2.0 / 3.0, b, 1.0 / 3.0, 0.0, temp);

  // âûïîëíÿåì ïîðîãîâîå ïðåîáðàçîâàíèå
  cvThreshold(temp, dst, 50, 250, CV_THRESH_BINARY);

  cvReleaseImage(&temp);

  // ïîêàçûâàåì ðåçóëüòàò
  cvNamedWindow('RGB cvThreshold', 1);
  cvShowImage('RGB cvThreshold', dst);

  //
  // ïîïðîáóåì ïîðîãîâîå ïðåîáðàçîâàíèå íàä îòäåëüíûìè ñëîÿìè
  //

  t1 := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
  t2 := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
  t3 := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);

  // âûïîëíÿåì ïîðîãîâîå ïðåîáðàçîâàíèå
  cvThreshold(r, t1, 50, 250, CV_THRESH_BINARY);
  cvThreshold(g, t2, 50, 250, CV_THRESH_BINARY);
  cvThreshold(b, t3, 50, 250, CV_THRESH_BINARY);

  // ñêëàäûâàåì ðåçóëüòàòû
  cvMerge(t3, t2, t1, 0, image);

  cvNamedWindow('RGB cvThreshold 2', 1);
  cvShowImage('RGB cvThreshold 2', image);

  cvReleaseImage(&t1);
  cvReleaseImage(&t2);
  cvReleaseImage(&t3);

  // :=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=

  // æä¸ì íàæàòèÿ êëàâèøè
  cvWaitKey(0);

  // îñâîáîæäàåì ðåñóðñû
  cvReleaseImage(image);
  cvReleaseImage(gray);
  cvReleaseImage(dst);
  cvReleaseImage(dst2);
  cvReleaseImage(r);
  cvReleaseImage(g);
  cvReleaseImage(b);
  // óäàëÿåì îêíà
  cvDestroyAllWindows();
  except
    on E: Exception do
      Writeln(E.ClassName, ': ', E.Message);
  end;
end.