int mainImage()
{
int i,ipts_size = 0;
float tclock;
clock_t start, end;
Ipoint IpArray[N];
IplImage *img = cvLoadImage("imgs/lena.bmp",1);
// Detect and describe interest points in the image
start = clock();
ipts_size = surfDetDes(img, IpArray, 0, 5, 4, 2, 0.0004f, N);
end = clock();
tclock = (float)(end - start) / CLOCKS_PER_SEC;
printf("OpenSURF found: %d interest points \n",ipts_size);
printf("OpenSURF took: %f seconds \n",tclock);
// Draw the detected points
drawIpoints(img, IpArray,0, ipts_size);
// Display the result
showImage(img);
free(IpArray);
return 0;
}
int mainImage(void)
{
// Declare Ipoints and other stuff
IpVec ipts;
// Make image as a Mat; convert to IplImage for OpenSURF library actions
cv::Mat mimg=cv::imread("OpenSURF/imgs/sf.jpg", CV_LOAD_IMAGE_COLOR);
IplImage iimg=mimg;
IplImage* img=&iimg;
// Detect and describe interest points in the image
clock_t start = clock();
surfDetDes(img, ipts, false, 5, 4, 2, 0.0004f);
clock_t end = clock();
std::cout<< "OpenSURF found: " << ipts.size() << " interest points" << std::endl;
std::cout<< "OpenSURF took: " << float(end - start) / CLOCKS_PER_SEC << " seconds" << std::endl;
// Draw the detected points
drawIpoints(img, ipts);
// Display the result
showImage(img);
return 0;
}
int mainVideo(void)
{
// Initialise capture device
CvCapture* capture = cvCaptureFromCAM( CV_CAP_ANY );
if(!capture) error("No Capture");
// Initialise video writer
//cv::VideoWriter vw("c:\\out.avi", CV_FOURCC('D','I','V','X'),10,cvSize(320,240),1);
//vw << img;
// Create a window
cvNamedWindow("OpenSURF", CV_WINDOW_AUTOSIZE );
// Declare Ipoints and other stuff
IpVec ipts;
IplImage *img=NULL;
// Main capture loop
while( 1 )
{
// Grab frame from the capture source
img = cvQueryFrame(capture);
// Extract surf points
surfDetDes(img, ipts, false, 4, 4, 2, 0.004f);
// Draw the detected points
drawIpoints(img, ipts);
// Draw the FPS figure
drawFPS(img);
// Display the result
cvShowImage("OpenSURF", img);
// If ESC key pressed exit loop
if( (cvWaitKey(10) & 255) == 27 ) break;
}
cvReleaseCapture( &capture );
cvDestroyWindow( "OpenSURF" );
return 0;
}
int mainImage(IplImage *img)
{
// Declare Ipoints and other stuff
IpVec ipts;
// Detect and describe interest points in the image
clock_t start = clock();
surfDetDes(img, ipts, true, 5, 4, 2, 0.01f);
clock_t end = clock();
std::cout<< "OpenSURF found: " << ipts.size() << " interest points" << std::endl;
std::cout<< "OpenSURF took: " << float(end - start) / CLOCKS_PER_SEC << " seconds" << std::endl;
// Draw the detected points
drawIpoints(img, ipts);
// Display the result
showImage(img);
return 0;
}
int mainImage(void)
{
// Declare Ipoints and other stuff
IpVec ipts;
IplImage *img=cvLoadImage("Images/img1.jpg");
// Detect and describe interest points in the image
{
surfDetDes(img, ipts, false, 3, 4, 2, 0.0004f);
}
std::cout<< "OpenSURF found: " << ipts.size() << " interest points" << std::endl;
//std::cout<< "OpenSURF took: min/avg/max/stddev " << time_min << "/" << time_avg << "/" << time_max << "/" << stddev
// << std::endl;
// Draw the detected points
drawIpoints(img, ipts);
// Display the result
//showImage(img);
cvSaveImage("result.jpg",img);
return 0;
}
int mainMatch(void)
{
// Initialise capture device
CvCapture* capture = cvCaptureFromCAM( CV_CAP_ANY );
if(!capture) error("No Capture");
// Declare Ipoints and other stuff
IpPairVec matches;
IpVec ipts, ref_ipts;
// This is the reference object we wish to find in video frame
// Replace the line below with IplImage *img = cvLoadImage("imgs/object.jpg");
// where object.jpg is the planar object to be located in the video
IplImage *img = cvLoadImage("../imgs/object.jpg");
if (img == NULL) error("Need to load reference image in order to run matching procedure");
CvPoint src_corners[4] = {{0,0}, {img->width,0}, {img->width, img->height}, {0, img->height}};
CvPoint dst_corners[4];
// Extract reference object Ipoints
surfDetDes(img, ref_ipts, false, 3, 4, 3, 0.004f);
drawIpoints(img, ref_ipts);
showImage(img);
// Create a window
cvNamedWindow("OpenSURF", CV_WINDOW_AUTOSIZE );
// Main capture loop
while( true )
{
// Grab frame from the capture source
img = cvQueryFrame(capture);
// Detect and describe interest points in the frame
surfDetDes(img, ipts, false, 3, 4, 3, 0.004f);
// Fill match vector
getMatches(ipts,ref_ipts,matches);
// This call finds where the object corners should be in the frame
if (translateCorners(matches, src_corners, dst_corners))
{
// Draw box around object
for(int i = 0; i < 4; i++ )
{
CvPoint r1 = dst_corners[i%4];
CvPoint r2 = dst_corners[(i+1)%4];
cvLine( img, cvPoint(r1.x, r1.y),
cvPoint(r2.x, r2.y), cvScalar(255,255,255), 3 );
}
for (unsigned int i = 0; i < matches.size(); ++i)
drawIpoint(img, matches[i].first);
}
// Draw the FPS figure
drawFPS(img);
// Display the result
cvShowImage("OpenSURF", img);
// If ESC key pressed exit loop
if( (cvWaitKey(10) & 255) == 27 ) break;
}
// Release the capture device
cvReleaseCapture( &capture );
cvDestroyWindow( "OpenSURF" );
return 0;
}
int mainStaticMatchStrengths()
{
bool matchGlobalOrientations = true;
// Make images as Mats; convert to IplImage for OpenSURF library actions
cv::Mat mimg1, mimg2;
mimg1=cv::imread("OpenSURF/imgs/img1.jpg", CV_LOAD_IMAGE_COLOR);
mimg2=cv::imread("OpenSURF/imgs/img2.jpg", CV_LOAD_IMAGE_COLOR);
IplImage iimg1, iimg2;
iimg1=mimg1;
iimg2=mimg2;
IplImage *img1, *img2;
img1 = &iimg1;
img2 = &iimg2;
IpVec ipts1, ipts2;
surfDetDes(img1,ipts1,false,4,4,2,0.0001f,matchGlobalOrientations);
surfDetDes(img2,ipts2,false,4,4,2,0.0001f,matchGlobalOrientations);
MatchVec matches;
getMatchesSymmetric(ipts1,ipts2,matches);
IpVec mpts1, mpts2;
const int & w = img1->width;
for (unsigned int i = 0; i < matches.size(); ++i)
{
float strengthOverThreshold = 1 - matches[i].second; // /MATCH_THRESHOLD;
strengthOverThreshold*=255;
CvScalar clr = cvScalar(strengthOverThreshold,strengthOverThreshold,strengthOverThreshold);
clr = cvScalar(255,255,255);
//drawPoint(img1,matches[i].first.first,clr);
//drawPoint(img2,matches[i].first.second,clr),
mpts1.push_back(matches[i].first.first);
mpts2.push_back(matches[i].first.second);
cvLine(img1,cvPoint(matches[i].first.first.x,matches[i].first.first.y),cvPoint(matches[i].first.second.x+w,matches[i].first.second.y), clr,1);
cvLine(img2,cvPoint(matches[i].first.first.x-w,matches[i].first.first.y),cvPoint(matches[i].first.second.x,matches[i].first.second.y), clr,1);
}
drawIpoints(img1,mpts1);
drawIpoints(img2,mpts2);
std::cout<< "Matches: " << matches.size() << std::endl;
cvNamedWindow("1", CV_WINDOW_AUTOSIZE );
cvNamedWindow("2", CV_WINDOW_AUTOSIZE );
cvShowImage("1", img1);
cvShowImage("2",img2);
cvWaitKey(0);
// NOW DO IT AGAIN!
cv::Mat mimg3, mimg4;
mimg3=cv::imread("OpenSURF/imgs/img1.jpg", CV_LOAD_IMAGE_COLOR);
mimg4=cv::imread("OpenSURF/imgs/img2.jpg", CV_LOAD_IMAGE_COLOR);
IplImage iimg3, iimg4;
iimg3=mimg3;
iimg4=mimg4;
IplImage *img3, *img4;
img3 = &iimg3;
img4 = &iimg4;
IpVec ipts3, ipts4;
surfDetDes(img3,ipts3,false,4,4,2,0.0001f,!matchGlobalOrientations);
surfDetDes(img4,ipts4,false,4,4,2,0.0001f,!matchGlobalOrientations);
matches.clear();
getMatchesSymmetric(ipts3,ipts4,matches);
IpVec mpts3, mpts4;
for (unsigned int i = 0; i < matches.size(); ++i)
{
float strengthOverThreshold = 1 - matches[i].second; // /MATCH_THRESHOLD;
strengthOverThreshold*=255;
CvScalar clr = cvScalar(strengthOverThreshold,strengthOverThreshold,strengthOverThreshold);
clr = cvScalar(255,255,255);
//drawPoint(img1,matches[i].first.first,clr);
//drawPoint(img2,matches[i].first.second,clr),
mpts3.push_back(matches[i].first.first);
mpts4.push_back(matches[i].first.second);
cvLine(img3,cvPoint(matches[i].first.first.x,matches[i].first.first.y),cvPoint(matches[i].first.second.x+w,matches[i].first.second.y), clr,1);
cvLine(img4,cvPoint(matches[i].first.first.x-w,matches[i].first.first.y),cvPoint(matches[i].first.second.x,matches[i].first.second.y), clr,1);
}
drawIpoints(img3,mpts3);
drawIpoints(img4,mpts4);
std::cout<< "Matches: " << matches.size() << std::endl;
cvNamedWindow("3", CV_WINDOW_AUTOSIZE );
cvNamedWindow("4", CV_WINDOW_AUTOSIZE );
cvShowImage("3", img3);
cvShowImage("4",img4);
cvWaitKey(0);
return 0;
}
