OpenCV (Open Source Computer Vision Library)

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Cleaning OpenCV installation

I installed OpenCV. First downloaded .tar library, extracted it, then did some cmake-gui and created folder \release\ where I executed make and in the end sudo make install. I just want to know that ...
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Problem regarding open cv graphing

I want to know that if i want to do graphing in open cv would i have to install seperate library for this purpose or it can be plotted using other ways.
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Python runs way faster while the machine is shutting down?

This morning when I was shutting my machine down from an overnight test of running openCV to display a data stream from one of my cameras, I noticed that my frame rates nearly doubled in the video ...
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problems in opencv-2.4.3 installation in ubuntu12.04

i am beginner in linux and i have installed the ubuntu 12.04LT. i tried to install opencv but when i tried to instlall this line : sudo apt-get install libpnglite-dev libpngwriter0-dev ...
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WebCam logitech C905 control in C++ and OpenCV

I am trying to change the the resolution of my webcam from inside my c++ program, which APIs can I use? where can I find copy/paste examples? My webcam works nicely under 12.10 and I can change the ...
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What is the path of libraries (samples, docs) setted up from Software Center of Ubuntu 12.04?

I installed OpenCV and its DOC and Samples from software center but I cannot find the them at anywhere. What is the certain location for all these at Ubuntu12.04
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Installation of OpenCV in Ubuntu 12.10?

After writing sudo apt-get install g++, it's showing error and how to resolve this error ? Reading package lists... Done Building dependency tree Reading state information... Done g++ is ...
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210 views

OpenCV program won't compile (Quantal)

I am trying to compile a simple program using OpenCV in Ubuntu Quantal. I have installed all the OpenCV packages available. My code is the following #include <stdio.h> #include ...
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143 views

Linking error when trying to compile on a shared drive

I am trying to compile OpenCV library on a shared drive on my system. I was able to configure and generate makefiles successfully by using these settings, but when i try to compile I get the following ...
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331 views

Are python bindings for OpenCV 2.4.3 available?

I have installed the Libraries and files for OpenCV 2.4.3. However, the Software Center lists just the python bindings for OpenCV2.3. Where do i get the python bindings for 2.4.3 ? How do i install it ...
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74 views

What is the purpose of configuration file?

I am trying to install opencv in my system by following this link. It says that after installing we need to do some configuration by opening /etc/ld.so.conf.d/opencv.conf and typing a particular ...
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Error installing kyamagu's mexopencv development kit in ubuntu 12.10 with matlab R2011a

I have been trying to make this kit work http://www.cs.stonybrook.edu/~kyamagu/mexopencv/index.html I have opencv 2.4.0 installed in a 32bit ubuntu 12.10 system. I also have the standard setup for ...
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Linker cannot find libcv

The package I am building on Precise instructs me to install OpenCV using synaptic to get libcv-dev libcvaux-dev and libhighgui-dev. So I opened up synaptic and checked the boxes and downloaded these ...
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786 views

OpenNi for Kinect on Ubuntu

I just installed OpenNI so that I can run my Kinect on Ubuntu and develop there as well and it seems to be working properly but when I run the samples it just says starting to run and then never moves ...
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109 views

“VIDIOC_QUERYCTRL: Input/output error” while accessing my Webcam and terminating my application

I am working on USB Camera. While accessing camera, it generates this error “VIDIOC_QUERYCTRL: Input/output error” and terminates my complete application.I am using OpenCv to access my webcam. I ...
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How to use ffmpeg with opencv in ubuntu 11.10?

I installed opencv but I did not configure it for supporting ffmpeg that time. Now I have installed ffmpeg so, how should I configure opencv to support ffmpeg ? I cannot find an example to test it. ...
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186 views

Dependency problems installing eViacam on 12.04

I used eViacam in windows, but now I'm using (L)ubuntu 12.04, and I fail to install. I found a guide to install it on ubuntu 11.10, but I have unsolved dependencies. Error runing "sudo apt-get ...
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140 views

Where are the OpenCV development libraries installed?

I need to install facedetect in matlab but it needs opencv library files and it has to be included during the compilation. So where is it? (In UbuntuStudio)!
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Trouble with aliases and opencv

I have an alias defined to compile an opencv program which goes like this alias gcv='g++ -I/usr/local/include/opencv -lopencv_core -lopencv_imgproc -lopencv_highgui -lopencv_objdetect' Then I go on ...
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668 views

How do I import OpenCV library into python 3.1?

OpenCV 2.1 was first installed when I had the original python 2.6 and this works fine. However after getting the Python 3.1, it has no module called 'cv' after trying to import OpenCV. How to add ...
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383 views

How do I install the latest python-opencv in 64-bit Ubuntu?

I heard that OpenCV supports only 32 bit Python. But my OS is Ubuntu 12.04 64 bit and it has Python 2.7 64 bit. How can I install latest OpenCV-Python bindings on this system for 32 bit Python? .
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351 views

Find the installation directory of OpenCv

I need to find the installation directory of OpenCv so that I can add it's path to PKG_CONFIG_PATH so I can run OpenCv programs the problem is I don't know where to look for it since I'm completely ...
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74 views

How to make package manager recognize libs that were compiled manually?

I had to compile OpenCV 2.4 on my machine. How to make applications installed from synaptic do not ask to install OpenCV 2.3 libs dependencies (since 2.4 is already installed in the system)?
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1k views

Using opencv on 12.04

I have some simple opencv files which I wanted to compile on 12.04. I have installed all the -dev packages They use: #include <cv.h> #include <highgui.h> at the top of the file. ...
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469 views

OpenCV will not install due to libgtk2.0-dev dependencies [duplicate]

I am trying to install OpenCV on Ubuntu 10.10 to use it with python. The problem that I am facing is related to installing gtk2.0-dev. I always get the following error The following packages have ...
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1k views

use kinect camera as a webcam in ubuntu

I have a python openCV program that uses a webcam to track an image target. I switched computers, but this new computer does not have a webcam. I hooked up my kinect, installed stome stuff from ...
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Compile errors when trying to use OpenCV [closed]

I just installed OpenCV libraries from Synaptics Package Manager I then tried to compile c code referencing opencv lib files like cv.h and I still keep getting errors on the Terminal. Is there any ...
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2k views

How do I get OpenCV and Firefly MV working?

I'm trying to get started with the Point Grey Firefly-MV USB camera in Ubuntu. I have followed the instructions from Point Grey, and got completely black images (Yes, the lens cap is off). Does ...
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How to install opencv?

I am trying to learn image processing and obviously opencv is one of the best options. Usually synaptic does all my installing work for me so I just checked the repos. But in the repos there is only ...