Beiträge von Hanowde
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Guten Tag, Alle
Ich bin Anfänger für OpenCV und möchte ein paar Beispiele von den Funktionen testen.
Ich habe grad ein Problem mit der Berechnung des optischen Flusses zwischen 2 Bildern und komme grad mit meinem Code nicht weiter.
Mein Code:
C
Alles anzeigen//#include "StdAfx.h" #include <opencv/cv.h> #include <opencv/cxcore.h> #include <opencv/highgui.h> #include <stdio.h> #include <stdlib.h> const int MAX_CORNERS = 500; int main(int argc, char** argv) { // Initialize, load two images from the file system, and // allocate the images and other structures we will need for // results. // IplImage* imgA = cvLoadImage("webcam001.png", CV_LOAD_IMAGE_GRAYSCALE); IplImage* imgB = cvLoadImage("webcam002.png", CV_LOAD_IMAGE_GRAYSCALE); CvSize img_sz = cvGetSize( imgA ); int win_size = 10; IplImage* imgC = cvLoadImage("OpticalFlow1.jpg",CV_LOAD_IMAGE_UNCHANGED); // The first thing we need to do is get the features // we want to track. // IplImage* eig_image = cvCreateImage( img_sz, IPL_DEPTH_32F, 1 ); IplImage* tmp_image = cvCreateImage( img_sz, IPL_DEPTH_32F, 1 ); int corner_count = MAX_CORNERS; CvPoint2D32f *cornersA = new CvPoint2D32f[MAX_CORNERS]; cvGoodFeaturesToTrack( imgA, eig_image, tmp_image, cornersA, &corner_count, 0.01, 5.0, 0, 3, 0, 0.04 ); cvFindCornerSubPix( imgA, cornersA, corner_count, cvSize(win_size,win_size), cvSize(-1,-1), cvTermCriteria(CV_TERMCRIT_ITER|CV_TERMCRIT_EPS,20,0.03) ); // Call the Lucas Kanade algorithm // char features_found[ MAX_CORNERS ]; float feature_errors[ MAX_CORNERS ]; CvSize pyr_sz = cvSize( imgA->width+8, imgB->height/3 ); IplImage* pyrA = cvCreateImage( pyr_sz, IPL_DEPTH_32F, 1 ); IplImage* pyrB = cvCreateImage( pyr_sz, IPL_DEPTH_32F, 1 ); CvPoint2D32f *cornersB = new CvPoint2D32f[MAX_CORNERS]; cvCalcOpticalFlowPyrLK( imgA, imgB, pyrA, pyrB, cornersA, cornersB, corner_count, cvSize( win_size,win_size ), 5, features_found, feature_errors, cvTermCriteria( CV_TERMCRIT_ITER | CV_TERMCRIT_EPS, 20, .3 ), 0 ); // Now make some image of what we are looking at: // for( int i=0; i<corner_count; i++ ) { if( features_found[i]==0|| feature_errors[i]>550 ) { // printf("Error is %f/n",feature_errors[i]); continue; } // printf("Got it/n"); CvPoint p0 = cvPoint( cvRound( cornersA[i].x ), cvRound( cornersA[i].y ) ); CvPoint p1 = cvPoint( cvRound( cornersB[i].x ), cvRound( cornersB[i].y ) ); cvLine( imgC, p0, p1, CV_RGB(255,0,0),2, CV_AA, 0 ); } cvNamedWindow("ImageA",0); cvNamedWindow("ImageB",0); cvNamedWindow("LKpyr_OpticalFlow",0); cvShowImage("ImageA",imgA); cvShowImage("ImageB",imgB); cvShowImage("LKpyr_OpticalFlow",imgC); cvWaitKey(0); return 0; }
Fehlermeldung nach Kompilieren:
[Blockierte Grafik: http://www11.pic-upload.de/21.10.14/l8d6z89kaawk.png]
Kann mir jemand bitte helfen, um das Problem zu lösen?
Vielen Dank!
LG, Carvin