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2014-02-06 08:40:12 -0600 | asked a question | How can i activate my web cam ? |
2014-02-06 03:21:59 -0600 | asked a question | error C3861: 'cv2DRotationMatrix': identifier not found / error C3861: 'cvWarpAffine': identifier not found Someone please help me solve this problem thanks |
2014-02-06 01:07:35 -0600 | asked a question | fatal error C1083: Cannot open include file: 'opencv/cvaux.h': No such file or directory Some one please help me i tried many ways but did not work |
2014-02-01 01:15:51 -0600 | asked a question | fatal error C1083: Cannot open include file: 'stdafx.h': No such file or directory include "stdafx.h"include <cv.h>include <highgui.h>//This function threshold the HSV image and create a binary image
IplImage* GetThresholdedImage(IplImage* imgHSV){ int main(){ CvCapture* capture =0;
cvNamedWindow("Video"); } |
2014-02-01 00:26:18 -0600 | asked a question | error C2065: 'COLOR_BGR2GRAY' : undeclared identifier /** * @function findContours_Demo.cpp * @brief Demo code to find contours in an image * @author OpenCV team */ include "opencv2/highgui/highgui.hpp"include "opencv2/imgproc/imgproc.hpp"include <iostream>include <stdio.h>include <stdlib.h>using namespace cv; using namespace std; Mat src; Mat src_gray; int thresh = 100; int max_thresh = 255; RNG rng(12345); /// Function header void thresh_callback(int, void* ); /* * @function main */ int main( int, char* argv ) { /// Load source image and convert it to gray src = imread( argv[1], 1 ); /// Convert image to gray and blur it cvtColor( src, src_gray, COLOR_BGR2GRAY ); blur( src_gray, src_gray, Size(3,3) ); /// Create Window const char* source_window = "Source"; namedWindow( source_window, WINDOW_AUTOSIZE ); imshow( source_window, src ); createTrackbar( " Canny thresh:", "Source", &thresh, max_thresh, thresh_callback ); thresh_callback( 0, 0 ); waitKey(0); return(0); } /* * @function thresh_callback */ void thresh_callback(int, void ) { Mat canny_output; vector<vector<point> > contours; vector<vec4i> hierarchy; /// Detect edges using canny Canny( src_gray, canny_output, thresh, thresh*2, 3 ); /// Find contours findContours( canny_output, contours, hierarchy, RETR_TREE, CHAIN_APPROX_SIMPLE, Point(0, 0) ); /// Draw contours Mat drawing = Mat::zeros( canny_output.size(), CV_8UC3 ); for( size_t i = 0; i< contours.size(); i++ ) { Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) ); drawContours( drawing, contours, (int)i, color, 2, 8, hierarchy, 0, Point() ); } /// Show in a window namedWindow( "Contours", WINDOW_AUTOSIZE ); imshow( "Contours", drawing ); } |