Hi I am new here, I just want to ask, does any body know the website or books to study how to use the functions or classes of openCV, such as iplIamge,...
I'm a little new to OpenCV and I was looking for some help. Basically what I'm trying to do is detect an object(ping-pong ball) of a specific color (orange)...
hi, somebody know how to play 2 cams at one time (sorry for my english) i don't want make stereoscopic vision, just see 2 cameras at once :) I know how to...
Hi, I am just trying the very first program, Get an error like this. error C3861: 'cvcamGetCamerascount': identifier not found Can anyone help me Thanks. ...
Hello, I have a video capture card from nVidia. How i use cvcam and how i put the video on a Form? If you have an example, can you send it to me? thank you. ...
Hey, is there a function that implements "adaptive Gaussian mixture" for removing background in video files. Someone told me that there was, but I can't find...
Hi all, OpenCv stuck on cvCvtColor, It does not happen on all cases, I checked that all parameters are ok. Is there a way to debug this? I expect the method to...
Hi, I'm trying to use the OpenCV libraries with the digital mars compiler but i keep getting an error on any cv functions: Error 42: Undefined symbol...
i wish to load a large bitonal tiff file into a window and by means of scroll bars and rubber banding, select a region of interest, probably by sucessive use...
You can change the color of the cross-hair over a cvNamedWindow. In fact, you can change the cursor to be anything that you would like it to be--within...
Is there any solution for image selecting of user like filedialog box, in .Net 2005 C++ ? All of the samples on Internet are for Mfc or Console. Give me a...
Hi, This is my 3rd time that I am asking for a solution to the problem described below: I select a rectangular template from the video being shown on a window...
Hi, Can anyone advice me how to use OpenCV to use the mouse to draw line? I have tried using the cvLine command but there are error. Appreciate you help....
Hi all! I want to calculate the cumulative probability function (F(x)) of a grayscale image. Does anybody know how I can do this? Thanks! [Non-text portions of...
I make this to take a portion of IplImage: cvSetImageROI(Prueba1,cvRect(10,10,100,100)); but if now i read Prueba1->width isn't 100, the Prueba1->width is the ...
Hi all, I'm trying to use the cvCalibrateCamera2 function, on Gentoo Linux box (gcc 3.4.6). I wrote a simple test based on calibration.cpp example in ...
Hi everyone, (First of all, i'm french, so please excuse my poor english...) I have to apply two homographies on a stereo couple, in order to rectify the...
Hi: I am confused and desperately need help from you all. I am using OpenCV function cvFindExtrinsicCameraParams to find the camera location with respect to a...
Hi, I've a problem concerning read from firewire camera, practically I use 2 cam under linux: 1 - A USB quickcam express webcam 2 - A firewire Sony Videocam ...
After a long struggle, making opencv run under dev c++ we managed to compile several test codes, without any errors of linking or compiling. If I want to show...
Hi there, May i know what are the standard formats for getting the negative samples in adaBoost training? Is there any format? Currently i am doing face...
Why is that? I am processing a video stream and using openCV beta5, if I call cvCvtColor to make the frame greyscale, it also flips the image.... a bit...
Hi, I make this: 1) take a frame from webcam 2) copy IplImage frame to CImage frame2 3) and put CImage into PictureBox in VB6 (using DrawToHDC propierty ...
hi, iam doing a project in image processing using opencv. now i ahve to fin a ROI to do loal enhancement and processing.. how do i find a ROI?? and how can I...
I use the matlab calibration toolbox to calibrate my ccd camera. the focus length of the camers is 16mm. and I use 19*13 chessboard and the square is 30.3mm....
Help! I am a freshman. I use VC6.0 and the version of opencv I tried is the latest 1.0 and 1.0 rc1. I followed the instructions about the compiling,but sth...
Hi, I need a function for converting a contour (CvSeq) into runs. Is there an existing function for that or do I have to build my own. Thanks for helping....