Hello I ame trying to capture videodata from three cams in one time. I found out how to do it for two, but for three it seems not to work, I only get the third...
Why cvcam was removed from 0.9.6/linux? Can highgui support multi-cameras? Can cvcam under windows continue to be developed for a more powerful version, or...
i am having a bit of trouble displaying images everything else in the opencv steup appears to be working but I just get grey panes when I try and display an...
Hi, Is there a function in OpenCV that can convert a color image (24 bits per pixel)to a gray image? It seems that I can not find it. Many thanks. Xianyong...
Hello Displaying video stream with cvcamSetProperty(1, CVCAM_PROP_ENABLE,CVCAMTRUE); cvcamSetProperty(1, CVCAM_PROP_RENDER,CVCAMTRUE); is no problem to switch...
Hi to everyone! I've just opened a new group on Yahoo: it's the OpenCV Italian Community. I have seen that there are a lot of italian people that use opencv ...
iam still getting these errors ...plz some one help me.....how to correct them.. its important. i want to make a tracker using help from opencv in visual...
Hello, OK, the problem is this: I got a camera looking into a room and from the image I shall tell the number of people in the room. Peoble must be detected up...
Hello to everybody! I don't know if this problem is of interest for this list, but just in case it is helpful for someone, I submit it. I am working with...
Hi, I'm using openCV to calculate optical flow. i call the cvCalcOpticalFlowLK() method. eg: cvCalcOpticalFlowLK(imgA, imgB, winSize, testVelX, testVelY) i...
Hi, I have writen a program which detects faces in video sequences, unfortunitly it doesn't do well at all. But more strangely, it can detect faces precisely...
Hi, I have code from a friend that is written for a previous version of OpenCV. I was wondering how I can run it with a newer version of opencv? naturally,...
While using cvComputeCorrespondEpilines function i get a linker error. ... 1 Datei(en) kopiert. 1 Datei(en) kopiert. Linker-Vorgang läuft... Bibliothek...
I want to capture images from a digital camera . I use VC++ .Net and my code is : CvCapture* frame=cvCaptureFromCAM(0); IplImage * image= cvQueryFrame(frame); ...
I sent out a question yesterday, asking how to get the cvCaptureFromAVI working. But I think the question is really how to get video to display on a PC. The...
Hi! I've spend few hours trying to understand why, although input images had the same sizes, the function cvCalcOpticalFlowBM was keeping on exiting most of...
i know that IPL images the pointer to the data imageData is of type char. this means that the values go from -128 to 127. however, does it accept negative...
Hi listers, I try to find a little help on the filed of capture with highgui functions. I use Mil Lite because I have a matrox 1394 board, but I would like to...
Hi, I have some difficulties to understand how works iplimage pointers. If I define: IplImage* p1 ; p1 = cvCreateImage(cvSize(1024,768),IPL_DEPTH_8U,1) ; ...