Does anyone have a code example of realtime image effect application to the live webcam feed? What I mean is get each frame from the webcam, apply an effect on...
I have problems on building OpenCV_HighGui220d.lib with QT support. The problems are the unresolved symbols about QMetaObject, such as: "public: virtual struct...
Hi, I am Malek Sellami from Tunisia, I am a computer engineer and now I am preparing my PhD thesis in image processing. I could not run your code. I want to...
Hi, I had the same problem just now and traced it back to cvRodrigues2 needing my rotation matrix to be double instead of float. (dt == 'd' in whatever...
I solved the problem by passing the pointer of ByteBuffer from Java to C++, although it's a little bit more time consuming than the way I tried before, at...
Hello everybody! I am new to CV, so need your advise. I am to embark a project dealing with lines and curves. I found paper "Curve Extraction in Images Using...
I have problems on building OpenCV_HighGui220d.lib with QT support. The problems are the unresolved symbols about QMetaObject, such as: "public: virtual struct...
I have a JPG file containing a photo of a person standing up and facing the camera. I need to detect his hands (and find out the length of the hand relative to...
I've had some problems with my build of OpenCV 2.2.0, and after searching for some answers, I can't get the facedetect python example to work...even after...
Hi, I experienced the same bug as many people here trying to use CV_CAP_PROP_POS_FRAMES. The capture works well, but when I'm trying to get a specified frame,...
Hi people, I'm looking for advice. I have two threads that should calculate something from the video stream images. It doesn't even have to be the same image,...
You need to build against Visual Studio compiled libraries. The SDK comes with the MinGW built ones. A detailed description of how to build QT with Visual...
The effect most of the time is undefined. Nobody can really tell for sure what would happen and is the source of multiple headaches throughout your development...
Hi! Is anybody knows about a good paper reference concerning ORB features extraction and descriptor? What ORB actually means? Finally, and refering to the...
Hi Maurizio, please give a look at the 'peopledetection' example coming with OpenCV, it uses HOG. Best Regards, Franco 2011/6/30 mpalesi <mpalesi@...>...
Shervin, a very good explanation about HSV range. But, I have a doubt. Theoretically Hue value is 0 to 360 degrees(I read in some link). Actually the range is...
You can simply convert value from 0-255 to 0-359 and the ranges for primary colour do not change. H channel is a degree and the correct value is in 0-360...
Hello, I have problem with OpenCV2.2 and function cvMatchTemplate. I have two images (image 480x272px and small object 50x50px - both in grayscale). If I...
hey friend thanks for the reply but as i say above ... ""i am interested in particular in the so called grid sift. wich means not to use the sift detector for...
i want to build opecv with visual studio 2010 ,istead of usind the binary instalation,because the binary instalation dont have qt suport enabled,or other...
Hey, I am using some really old program (in conjunction with my own code) for some image classification but in order to run it I need to use opencv v1.0.0 or...
I'm running the following simple code: <code>// cCarCalcOpticalFlowLK.cpp #include <stdio.h>#include "cv.h"#include "highgui.h"#include "ml.h" int main(){...
81466
Julius Adorf
jeadorf@...
Jul 1, 2011 11:13 pm
It's a shortcut for Oriented BRIEF. I expect a paper that will introduce ORB to be published at ICCV 2011. Julius...
This isn't a bug. It's more like you are building the OpenCV library the wrong way. I am currently writing some OpenCV tutorials that cover these informations....
Hello! I have a problem: imagine that I have 5 points and I want to know witch is the closest to the top right of an image. Is there any function in opencv...
hail, I'm training a car wheel+tire classifier using 5000 positives images and 2000 negative ones. My problem is that it was running straight for 7 days and I...
