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Viewing changes to samples/c/mser_sample.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Nobuhiro Iwamatsu
  • Date: 2010-07-16 13:12:28 UTC
  • mfrom: (4.1.7 sid)
  • Revision ID: james.westby@ubuntu.com-20100716131228-95963rebybpghxef
Tags: 2.1.0-1
http://bugs.debian.org/577594
http://bugs.debian.org/587232
http://bugs.debian.org/563717
http://bugs.debian.org/581210
* New upstream release. (Closes: #577594, #587232, #563717)
* Update debian/rules.
  - Update build-system to debhelper v7.
* Update debian/control.
  - Bumped standards-version to 3.9.0. No changes needed.
  - library package name update.
    Soname of opencv library changed from 4 to 2.1.
  - Add cmake, liblapack-dev, texlive-fonts-extra, texlive-latex-extra,
    texlive-latex-recommended, latex-xcolor and  texlive-fonts-recommended
    to Build-depends.
  - Add arch depends to libraw1394-dev and libdc1394-22-dev.
    Thanks to Pino Toscano. (Closes: #581210)
* Add opencv-doc.lintian-overrides.
  opencv-doc has some sample program of python.
* Update man files.
* Update patches
  - Update and rename 500_remove_bashism.patch.
    And rename to remove_bashism.patch.
* Add new patches.
  - Enable build static library.
    enable_static.patch
  - Disable build 3rd party library.
    Use zlib and lapack in debian package.
    fix_3rdparty_build.patch
  - Fix build pdf.
    fix_build_pdf.patch
  - Remove cvconfig.h
    remove_cvconfig.h.patch
* Remove some patches.

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samples/c/mser_sample.cpp
 
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/* This sample code was originally provided by Liu Liu
 
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 * Copyright� 2009, Liu Liu All rights reserved.
 
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 */
 
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#include <iostream>
 
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#include <cstdio>
 
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#include <stdio.h>
 
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#include "cv.h"
 
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#include "highgui.h"
 
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    static CvScalar colors[] = 
 
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    {
 
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        {{0,0,255}},
 
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        {{0,128,255}},
 
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        {{0,255,255}},
 
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        {{0,255,0}},
 
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        {{255,128,0}},
 
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        {{255,255,0}},
 
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        {{255,0,0}},
 
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        {{255,0,255}},
 
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        {{255,255,255}},
 
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        {{196,255,255}},
 
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        {{255,255,196}}
 
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    };
 
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    static uchar bcolors[][3] = 
 
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    {
 
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        {0,0,255},
 
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        {0,128,255},
 
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        {0,255,255},
 
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        {0,255,0},
 
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        {255,128,0},
 
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        {255,255,0},
 
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        {255,0,0},
 
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        {255,0,255},
 
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        {255,255,255}
 
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    };
 
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int main( int argc, char** argv )
 
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{
 
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        char path[1024];
 
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        IplImage* img;
 
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        if (argc!=2)
 
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        {
 
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                strcpy(path,"puzzle.png");
 
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                img = cvLoadImage( path, CV_LOAD_IMAGE_GRAYSCALE );
 
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                if (!img)
 
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                {
 
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                        printf("\nUsage: mser_sample <path_to_image>\n");
 
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                        return 0;
 
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                }
 
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        }
 
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        else
 
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        {
 
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                strcpy(path,argv[1]);
 
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                img = cvLoadImage( path, CV_LOAD_IMAGE_GRAYSCALE );
 
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        }
 
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        if (!img)
 
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        {
 
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                printf("Unable to load image %s\n",path);
 
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                return 0;
 
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        }
 
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        IplImage* rsp = cvLoadImage( path, CV_LOAD_IMAGE_COLOR );
 
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        IplImage* ellipses = cvCloneImage(rsp);
 
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        cvCvtColor(img,ellipses,CV_GRAY2BGR);
 
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        CvSeq* contours;
 
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        CvMemStorage* storage= cvCreateMemStorage();
 
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        IplImage* hsv = cvCreateImage( cvGetSize( rsp ), IPL_DEPTH_8U, 3 );
 
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        cvCvtColor( rsp, hsv, CV_BGR2YCrCb );
 
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        CvMSERParams params = cvMSERParams();//cvMSERParams( 5, 60, cvRound(.2*img->width*img->height), .25, .2 );
 
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        double t = (double)cvGetTickCount();
 
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        cvExtractMSER( hsv, NULL, &contours, storage, params );
 
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        t = cvGetTickCount() - t;
 
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        printf( "MSER extracted %d contours in %g ms.\n", contours->total, t/((double)cvGetTickFrequency()*1000.) );
 
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        uchar* rsptr = (uchar*)rsp->imageData;
 
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        // draw mser with different color
 
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        for ( int i = contours->total-1; i >= 0; i-- )
 
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        {
 
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                CvSeq* r = *(CvSeq**)cvGetSeqElem( contours, i );
 
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                for ( int j = 0; j < r->total; j++ )
 
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                {
 
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                        CvPoint* pt = CV_GET_SEQ_ELEM( CvPoint, r, j );
 
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                        rsptr[pt->x*3+pt->y*rsp->widthStep] = bcolors[i%9][2];
 
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                        rsptr[pt->x*3+1+pt->y*rsp->widthStep] = bcolors[i%9][1];
 
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                        rsptr[pt->x*3+2+pt->y*rsp->widthStep] = bcolors[i%9][0];
 
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                }
 
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        }
 
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        // find ellipse ( it seems cvfitellipse2 have error or sth?
 
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        for ( int i = 0; i < contours->total; i++ )
 
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        {
 
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                CvContour* r = *(CvContour**)cvGetSeqElem( contours, i );
 
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                CvBox2D box = cvFitEllipse2( r );
 
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                box.angle=(float)CV_PI/2-box.angle;
 
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                if ( r->color > 0 )
 
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                        cvEllipseBox( ellipses, box, colors[9], 2 );
 
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                else
 
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                        cvEllipseBox( ellipses, box, colors[2], 2 );
 
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        }
 
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        cvSaveImage( "rsp.png", rsp );
 
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        cvNamedWindow( "original", 0 );
 
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        cvShowImage( "original", img );
 
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        cvNamedWindow( "response", 0 );
 
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        cvShowImage( "response", rsp );
 
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        cvNamedWindow( "ellipses", 0 );
 
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        cvShowImage( "ellipses", ellipses );
 
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        cvWaitKey(0);
 
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        cvDestroyWindow( "original" );
 
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        cvDestroyWindow( "response" );
 
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        cvDestroyWindow( "ellipses" );
 
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        cvReleaseImage(&rsp);
 
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        cvReleaseImage(&img);
 
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        cvReleaseImage(&ellipses);
 
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}