opencv linux 安装和配置

在fedora16 和 CentOS 下面配置OpenCV,由于不同主机装的软件的都不一样,所以不能一概而论

大概需要的开发套件:

pkgconfig  libpng  zlib libjpeg  libtiff libjasper

ffmepeg GTK+ 的基本库(这里可选,用到的时候再装也行)

下面是我的主机安装配置OpenCV。

opencv 下载


 http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.2/

在centos和fedora16下面,一般都把用户的软件装在 /usr/local/xxx 下面


$ cp OpenCV-2.4.0.tar.bz2 /usr/local/

$ tar -xvf OpenCV-2.4.0.tar.bz2

$ cd  OpenCV-2.4.0

2.4.0的下面是以CMakeLists.txt形式

$ yum install cmake

$ cmake CMakeLists.txt

$ make && make install


OpenCV 会安装在 /usr/local/lib 目录和 /usr/local/include/opencv/

环境变量配置

$ vim /etc/ld.so.conf

最后一行加入 /usr/local/lib

$ ldconfig
或者

export LD_LIBRARY_PATH=/usr/local/lib

OpenCV测试

 
[cc lang="c"]
//drawing.c
#ifdef _CH_
#pragma package
#endif

#define CV_NO_BACKWARD_COMPATIBILITY

#ifndef _EiC
#include "cv.h"
#include "highgui.h"
#include
#include
#endif

#define NUMBER 100
#define DELAY 5
char wndname[] = "Drawing Demo";

CvScalar random_color(CvRNG* rng)
{
int icolor = cvRandInt(rng);
return CV_RGB(icolor&255, (icolor>>8)&255, (icolor>>16)&255);
}

int main( int argc, char** argv )
{
int line_type = CV_AA; // change it to 8 to see non-antialiased graphics
int i;
CvPoint pt1,pt2;
double angle;
CvSize sz;
CvPoint ptt[6];
CvPoint* pt[2];
int arr[2];
CvFont font;
CvRNG rng;
int width = 1000, height = 700;
int width3 = width*3, height3 = height*3;
CvSize text_size;
int ymin = 0;
// Load the source image
IplImage* image = cvCreateImage( cvSize(width,height), 8, 3 );
IplImage* image2;

// Create a window
cvNamedWindow(wndname, 1 );
cvZero( image );
cvShowImage(wndname,image);
cvWaitKey(DELAY);

rng = cvRNG((unsigned)-1);
pt[0] = &(ptt[0]);
pt[1] = &(ptt[3]);

arr[0] = 3;
arr[1] = 3;

for (i = 0; i< NUMBER; i++)
{
pt1.x=cvRandInt(&rng) % width3 - width;
pt1.y=cvRandInt(&rng) % height3 - height;
pt2.x=cvRandInt(&rng) % width3 - width;
pt2.y=cvRandInt(&rng) % height3 - height;

cvLine( image, pt1, pt2, random_color(&rng), cvRandInt(&rng)%10, line_type, 0 );
cvShowImage(wndname,image);
if(cvWaitKey(DELAY) >= 0) return 0;
}

for (i = 0; i< NUMBER; i++)
{
pt1.x=cvRandInt(&rng) % width3 - width;
pt1.y=cvRandInt(&rng) % height3 - height;
pt2.x=cvRandInt(&rng) % width3 - width;
pt2.y=cvRandInt(&rng) % height3 - height;

cvRectangle( image,pt1, pt2, random_color(&rng), cvRandInt(&rng)%10-1, line_type, 0 );
cvShowImage(wndname,image);
if(cvWaitKey(DELAY) >= 0) return 0;
}

for (i = 0; i< NUMBER; i++)
{
pt1.x=cvRandInt(&rng) % width3 - width;
pt1.y=cvRandInt(&rng) % height3 - height;
sz.width =cvRandInt(&rng)%200;
sz.height=cvRandInt(&rng)%200;
angle = (cvRandInt(&rng)%1000)*0.180;

cvEllipse( image, pt1, sz, angle, angle - 100, angle + 200,
random_color(&rng), cvRandInt(&rng)%10-1, line_type, 0 );
cvShowImage(wndname,image);
if(cvWaitKey(DELAY) >= 0) return 0;
}

for (i = 0; i< NUMBER; i++)
{
pt[0][0].x=cvRandInt(&rng) % width3 - width;
pt[0][0].y=cvRandInt(&rng) % height3 - height;
pt[0][1].x=cvRandInt(&rng) % width3 - width;
pt[0][1].y=cvRandInt(&rng) % height3 - height;
pt[0][2].x=cvRandInt(&rng) % width3 - width;
pt[0][2].y=cvRandInt(&rng) % height3 - height;
pt[1][0].x=cvRandInt(&rng) % width3 - width;
pt[1][0].y=cvRandInt(&rng) % height3 - height;
pt[1][1].x=cvRandInt(&rng) % width3 - width;
pt[1][1].y=cvRandInt(&rng) % height3 - height;
pt[1][2].x=cvRandInt(&rng) % width3 - width;
pt[1][2].y=cvRandInt(&rng) % height3 - height;

cvPolyLine( image, pt, arr, 2, 1, random_color(&rng), cvRandInt(&rng)%10, line_type, 0 );
cvShowImage(wndname,image);
if(cvWaitKey(DELAY) >= 0) return 0;
}

for (i = 0; i< NUMBER; i++)
{
pt[0][0].x=cvRandInt(&rng) % width3 - width;
pt[0][0].y=cvRandInt(&rng) % height3 - height;
pt[0][1].x=cvRandInt(&rng) % width3 - width;
pt[0][1].y=cvRandInt(&rng) % height3 - height;
pt[0][2].x=cvRandInt(&rng) % width3 - width;
pt[0][2].y=cvRandInt(&rng) % height3 - height;
pt[1][0].x=cvRandInt(&rng) % width3 - width;
pt[1][0].y=cvRandInt(&rng) % height3 - height;
pt[1][1].x=cvRandInt(&rng) % width3 - width;
pt[1][1].y=cvRandInt(&rng) % height3 - height;
pt[1][2].x=cvRandInt(&rng) % width3 - width;
pt[1][2].y=cvRandInt(&rng) % height3 - height;

cvFillPoly( image, pt, arr, 2, random_color(&rng), line_type, 0 );
cvShowImage(wndname,image);
if(cvWaitKey(DELAY) >= 0) return 0;
}

for (i = 0; i< NUMBER; i++)
{
pt1.x=cvRandInt(&rng) % width3 - width;
pt1.y=cvRandInt(&rng) % height3 - height;

cvCircle( image, pt1, cvRandInt(&rng)%300, random_color(&rng),
cvRandInt(&rng)%10-1, line_type, 0 );
cvShowImage(wndname,image);
if(cvWaitKey(DELAY) >= 0) return 0;
}

for (i = 1; i< NUMBER; i++)
{
pt1.x=cvRandInt(&rng) % width3 - width;
pt1.y=cvRandInt(&rng) % height3 - height;

cvInitFont( &font, cvRandInt(&rng) % 8,
(cvRandInt(&rng)%100)*0.05+0.1, (cvRandInt(&rng)%100)*0.05+0.1,
(cvRandInt(&rng)%5)*0.1, cvRound(cvRandInt(&rng)%10), line_type );

cvPutText( image, "Testing text rendering!", pt1, &font, random_color(&rng));
cvShowImage(wndname,image);
if(cvWaitKey(DELAY) >= 0) return 0;
}

cvInitFont( &font, CV_FONT_HERSHEY_COMPLEX, 3, 3, 0.0, 5, line_type );

cvGetTextSize( "OpenCV forever!", &font, &text_size, &ymin );

pt1.x = (width - text_size.width)/2;
pt1.y = (height + text_size.height)/2;
image2 = cvCloneImage(image);

for( i = 0; i < 255; i++ )
{
cvSubS( image2, cvScalarAll(i), image, 0 );
cvPutText( image, "OpenCV forever!", pt1, &font, CV_RGB(255,i,i));
cvShowImage(wndname,image);
if(cvWaitKey(DELAY) >= 0) return 0;
}

// Wait for a key stroke; the same function arranges events processing
cvWaitKey(0);
cvReleaseImage(&image);
cvReleaseImage(&image2);
cvDestroyWindow(wndname);

return 0;
}

#ifdef _EiC
main(1,"drawing.c");
#endif

[/cc]
$ g++ `pkg-config opencv - -libs - -cflags opencv` drawing.c -o drawing
$ ./drawing

OK!!

标签:Linux, FPGA, OpenCV

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