Hello OpenCV users, I need to create a video file with cvCreateVideoWriter(). And I would like to use the dialog to select the Codec on Windows. In the...
Not caring what format/codec to use, I use something like this (tested in Linux. OSX shows some problems here, and for Windows the "-1" fourcc line should work...
77437
Nicolas Maisonneuve
n.maisonneuve
Feb 1, 2011 12:02 pm
HI everyone, I a newbie in opencv lib and I would like to be able to extract some visual features from an image. 1/ To warm up I would like to extract the...
77438
salimimran95
Feb 1, 2011 12:02 pm
Are they good enough to stand on their own? The Windows operating systems already comes with a useful collection of pre-installed programs and even some games....
77439
Xing
yokyoh
Feb 1, 2011 12:02 pm
Hi, I am using MinGW GCC 4.5.0 on Windows and never successfully compiled OpenCV 2.x. until today. The problem is that everything get compiled, but once run...
77440
martin_savc
Feb 1, 2011 12:02 pm
How would I go around converting the iplimage I get from cv.QueryFrame to a cvmat, before using any of the more functional methods? I know that it gets...
77441
reloco33
Feb 1, 2011 12:02 pm
Hi I have the same problem but I m using DevC How I can Build the opencv_highgui in DevC ? thnx...
77442
marcellomaste
Feb 1, 2011 12:02 pm
I capture many frame from a Cam at 1280x1024 pixel. I have also a ROI 1280x150 pixel in the center of the image. I want the width of two object , but if a...
77443
sumer.nguyen
Feb 1, 2011 12:03 pm
Hi every one! I have a problem with cvFloodFill function. Now, I make a program, in that I create an image by cvCreateImage and then draw some object...
77444
brunolange
Feb 1, 2011 12:03 pm
Hi there ! Are there any specific reasons why you´d wanna use optical flow for 3D estimation? Cause it seems more of a stereo problem, right? where you get an...
77445
hemanth k
hemanth_korr...
Feb 1, 2011 12:03 pm
Hi, I am using opencv's surf feature descriptors and I am confused. 1) The surf descriptor vectors given by opencv has all positive values, while the surf...
77446
ed7000mk1
Feb 1, 2011 12:03 pm
Thanks Shervin, I tried it again with double precision variables and eventually managed to get it working. I don't know if I was just making a really silly...
77447
msangui
tha_sangui
Feb 1, 2011 12:03 pm
Hey, I'm trying to build an eyemap following this function: 1/3*(Cb*Cb + (255-Cr)*(255-Cr) + (Cb/Cr)) this is my code: #include <stdio.h> #include <cstdio> ...
77448
Anshul
anshulkjain...
Feb 1, 2011 12:03 pm
Hello everyone.. I am new to openCV. I have been trying to do hand gesture recognition for a project. I have already done Haartraining for hand detection. Now...
77449
raptorvj46
Feb 1, 2011 12:04 pm
heyy ppl.. i'm trying to do a project on controlling the mouse pointer using images from the webcam. and include simple mouse functions like single click and...
77450
brunolange
Feb 1, 2011 12:04 pm
Hi Stefan, I was going over your pseudocode and couldn´t quite identify these new instances referencing the first frame. was this snippet included at all? and...
77451
Norberto Martin
ncm_ar
Feb 1, 2011 12:04 pm
Hola: Puedes probar, empezar con algo asi, http://www.dis.um.es/~ginesgm/pav.html, con esto, http://www.dis.um.es/~ginesgm/files/doc/pav/tema6.pdf. lo unico ...
77452
xilconic
Feb 1, 2011 12:04 pm
Hello everyone, I've started out with learning to use OpenCV for my Master Thesis at the TU Delft. To get a hang of OpenCV I stated out with implementing a few...
77453
tabu
tabu1989
Feb 1, 2011 12:04 pm
I'm trying to monitor an area by using video surveillance. using the foreground/background extraction & blob tracking facility of openCV. i need hierarchical...
77454
bhavya agrawal
bhavya_6187
Feb 1, 2011 1:39 pm
Hi all, I saw a function in Matlab strel which allows us to create linear structuring element for morphological elements at various degrees. Is there some...
77455
khaled.shaaban@...
khaled.shaab...
Feb 1, 2011 3:42 pm
Hi Cristóbal, I thought this would be the case, my IDE was being very wierd, after a restart everything compiled correctly, I cant explain what was happening...
77456
logiclips
Feb 1, 2011 3:56 pm
Thanks for the information. However, currently I'm planing the following: 1. Calibrate camera 2. Extract local features 3. Match features 4. Undistort local...
77457
hansraj316
Feb 1, 2011 4:53 pm
This is my first post [:)] I am trying to detect a person in a video stream from an IP camera. I am divding the video into frames and then applying the...
77458
Alper Yaman
alperyaman
Feb 1, 2011 5:01 pm
Hi, What is the operating system you run your program on it? I wonder how you get IP camera streams from opencv. I tried to use ffmpeg on Windows XP and...
77459
access_livic
Feb 1, 2011 5:16 pm
Hi OpenCV mates, I'm currently working on a camera-lidar registration process. The algorithm I used is mainly based on Robert Pless method. It provides me the...
77460
hansraj316
Feb 1, 2011 5:48 pm
This is my first post I am trying to detect a person in a video stream form an IP camera. I am divding the video into frames and then applying the...
77461
hansraj thakur
hansraj316
Feb 1, 2011 6:02 pm
Hello, I am using windows 7. I use the mjpeg stream from the IP camera to get the images. You can have a look at my code CvCapture *capture = 0;/* initialize ...
77462
ehsan
ehsanrza
Feb 1, 2011 7:02 pm
peopledetect.cpp uses HOG algorithm which unfortunatly is not fast. So in order to speed up your process, you can do one of the followings: -Scale down each...
77463
Nathaniel Niles
nateniles...
Feb 1, 2011 7:02 pm
I am uncertain as to what the output of cvUndistortPoints is, and how exactly it relates to structure from motion as described by Hartley and Zisserman. The...
