opencv

Compile OpenCV with ffMpeg support

I'm having problems compiling OpenCV with ffMpeg support under Debian. I downloaded new ffMpeg and installed it, downloaded opencv-1.1pre1.tar.gz and unpacked it. then ./configure --enable-apps --enable-shared --with-ffmpeg --with-gnu-ld --without-quicktime CFLAGS=-I/usr/local/include CPPFLAGS=-I/usr/local/include LDFLAGS=-L/usr/loca...

webcam access using opencv with processing in an applet or application

I made a small sketch with processing using opencv to face detect and track. But when I export as an application and start it nothing happens, same as an applet. First I exported the applet and thought this must be a security issue, and struggled with some hack for processing to sign your java applet. http://processing.org/hacks/hacks%3...

Recognizing striked out handwritten words

I am working on handwriting recognition and related stuff on visual studio platform and using openCV libraries. Input is in the form of binary scanned .tif images. Currently I went into a roadblock trying to figure out a way to recognize striked out words as in you strike out (cancel) words using a straight/ curved line. I am not going ...

How to Install OpenCV2.0 in Mac OS 10.6.1 (Snow Leopard)

Hi, I am not a Unix guy, so I have been trying to install openCV 2.0 for days with out success. I just downloaded the opencv library form sourceforge from this page: http://sourceforge.net/projects/opencvlibrary/ Does any one know the exact unix terminal commands for installing it? please don't say "go to google", I already did. I fou...

how can i do object detection in c#.net using opencv?

i am trying to do a project "Object detection" i selected the language C#.net.can i use opencv library to do this project in c#.net.if so, what will be the steps and what are the functions in opencv library can i use?please anybody help me... thanx ...

Call stack corruption between boundaries

This feels a lot like finding a needle in a hay stack but here goes. I'm building a Windows Mobile 6.1 application. Specifically I'm trying to port over the OpenCV framework. Having successfully (doubtfully) compiled OpenCV for the ARM4I architecture, I'm trying it out in a simple hello world style application. From my WinCE .EXE I'm c...

Missing cxcore110d.dll?

When I try to run a opencv hellow world program I get an error saying that the cxcore110d.dll file is not installed and that I need to reinstall the program, but the dll is C:\Program Files (x86)\OpenCV\bin. Any one know who to fix this? The folder is referenced (maybe thats the wrong term) in the solution that came with opencv 1.1. ...

OpenCV can't read image!

I am using this code: #include <stdlib.h> #include <stdio.h> #include <math.h> #include <cv.h> #include <highgui.h> #include <cxcore.h> #include <cxtypes.h> int main(int argc, char* argv[]) { IplImage* img = cvLoadImage( "dow2oc8.png" ); cvNamedWindow( "Example1", CV_WINDOW_AUTOSIZE ); cvShowImage("Example1", img); cvWaitKey(0); ...

OpenCV: Fetch color, intensity and texture of an image

Hi I'm new to OpenCV and just started sifting through the APIs. I intend to fetch the color, intensity and texture values of each pixel constituting the image. I was fiddling with the structure - IplImage to start with but couldn't make much progress. Please let me know of any means to do this. cheers ...

New PythonInterface for OpenCV

Hi I'm trying to install OpenCV 2.0 with new PythonInterface. But I always fail. There is only SWIG python interface. And also it seems to be that the PythonInterface was not installed. To build the OpenCV I use: ./configure --without-ffmpeg (I also tried --with-python and without-swig) make sudo make install import sys sys.path.app...

what 2 & 3 mean in this and how can i change them CvMat* rot = cvCreateMat(2,3,CV_32FC1)

What do 2 & 3 mean in this and how can I change them? CvMat* rot = cvCreateMat(2,3,CV_32FC1) When I change these two values I get an openCV GUI error handler. size of input arguments do not match() in function cvConvertScale.\cxconvert.cpp(1601) I want to understand what that means Update: The code is: #include <cv.h> #include <...

What does the function CvPoint2D32f in OpenCV

CvPoint2D32f I want to know what this function does, for example: CvPoint2D32f center = cvPoint2D32f(src->width/2,src->height/2); ...

How to read a EAN-13 bar-code from an image in C ?

I would like to read a EAN-13 bar-code from an image in C. I found the OpenCV library that should help me to compute the image as well as an article about an iPhone App that can read Sudoku. But in an other hand, I found an opensource library to read DataMatrix bar-code. I would like to join an existing OpenSource project about reading...

OpenCV in Eclipse on Fedora Library issues

I'm trying to compile a small OpenCV program using Eclipse. I'm limited in library locations, as I'm running them on a University shared server. I have a fully working makefile, with which I can compile and run the program from the terminal as intended, however when using Eclipse, it compiles fine but on running I get the following error...

openCV combining an image to another image on given coordinates

hi i wrote a face & eye detection code next step is put an image to the coordinates of the detected eye (for ex: eye patch, eye glasses) i couldn't find the function to combine the source frame and the image I want to add any suggestions thanks ...

Convert RGB IplImage to 3 arrays

I need some C++/pointer help. When I create an RGB IplImage and I want to access i,j I use the following C++ class taken from: http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html template<class T> class Image { private: IplImage* imgp; public: Image(IplImage* img=0) {imgp=img;} ~Image(){imgp=0;} ...

openCV: image on image

hi i want to paste an image to a captured video frame on the coordinates which i determined i asked that before and i have been told to use cvCopy and cvSetImageROI but i dont want to crop on those coordinates i want to add another image maybe its the right way but i didnt understand it (if its right pls explain it) thank for sugges...

Heap currupted error in VS2005 with OpenCV ?

Hi! I'm getting an error called, "corruption of the heap" when I try to debug this simple code, CvCapture* capture = cvCaptureFromFile("1.avi"); if( capture ) { cvNamedWindow( "Motion", 1 ); while(true) { //Grab the frame and display the image //No...

convert rgb 2 black & white in opencv

i need to know the function that convert RGB image into black &white(binary image) & i need to know if i can save modified image after conversion on hard disk if so what's this function? ...

changing rgb values

hi i am trying to change a part of an image with another image i couldn't find the merging function so i just occur that can i change the rgb values of the part i want to change with the other images rgb values is it possible thanks for suggestions ...