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22 views

opencv webcam problem

I started the webcam using openCV but (stupidly) did not assign code for proper closing up of resources. So now the webcam is stuck. How can I restart the webcam without rebooting ? I know rebooting ...
0
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0answers
82 views

python3 no module named 'cv2'

I am running an Ubuntu 14.04. I installed opencv from the latest source with cmake to with install prefix usr/local. It seems to be on my path (note ...
0
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0answers
33 views

OpenCV for python

I am having some issues with importing cv2.cv inside of python2.7. I installed opencv2 and 3 from source (using make and make install) however when running "import cv2.cv" I am still told no module is ...
0
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1answer
303 views

Building OpenCV on Arch Linux can't find gcc

I have successfully build OpenCV using this linux install tutorial on an Ubuntu distribution in the past, but recently, I needed to build it on a Arch Linux distribution. The command cmake -D ...
1
vote
1answer
126 views

Split a video to multiple chunks according to multiple starting and ending frame indices

Are there any tools (like FFmpeg or OpenCV) can split a video into multiple chunks according to some specific starting and ending frame indices? For example, given (0,20),(21,33),(40,60)..., each ...
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0answers
164 views

IDS uEye camera stream

I am using an IDS uEye XS USB camera (https://en.ids-imaging.com/store/produkte/kameras/usb-2-0-kameras/ueye-xs.html) and my problem is that according to the sdk description it does not have V4L or ...
1
vote
1answer
37 views

Tell Python to use alternative library

I am trying to use an alternative version of opencv (3.0) in my Python scripts. I compiled and installed this version to my home directory, and now I am trying to tell Python to use it. I have the ...
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0answers
23 views

Interrupted OpenCV building

I was following a tutorial on building opencv for java, but accidentally I interrupted it. Now everytime i want to run the same command to build it, it throws this error: CMake Error at ...
0
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2answers
96 views

Debian: unable to locate package opencv, known to exist

I'm running wheezy Debian on a BeagleBone: root@beaglebone:~# cat /etc/*-release PRETTY_NAME="Debian GNU/Linux 7 (wheezy)" NAME="Debian GNU/Linux" VERSION_ID="7" VERSION="7 (wheezy)" ID=debian ...
0
votes
1answer
584 views

lsd-slam installation failed during rosmake

I am trying to install the lsd-slam library without success. When typing during the last step of the installation: rosmake lsd_slam I got this output: [ rosmake ] rosmake starting... ...
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0answers
42 views

OpenCV on SAMA5D3 with Linux

I have successfully installed fully working linux with busybox on this board. Followed most of the instructions from here. Now I want to install OpenCV on this board. What is the procedure ? I saw ...
1
vote
0answers
346 views

release/close capture of camera

I have opened webcam for capturing using OpenCV in C++. Then I stopped the program using CTRL+Z; The webcam could not turn off, Because was not defined in program. And I can not start my program ...
0
votes
1answer
238 views

install OPENCV to Rasbian( Debian Linux )

I installed rasbian(debian) for windows . I want to install OPENCV. I have write the newest link . wget http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.4.9/opencv-2.4.9.zip But ...
1
vote
2answers
889 views

install opencv-2.4-9 on centos 6.5 with cuda 5.5 support

I can't seem to install opencv 2.4.9 on centos 6.5 with cuda 5.5 support. This is my cmake output: [root@cadejos-0 opencv]# cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/opt/opencv -D ...
2
votes
1answer
1k views

Running a process multiple times at the same time

I have a c++ program with opencv library which takes an image as input and perform pose estimation,color detection,phog. When I run this program from the command line it takes around 4-5sec to ...
2
votes
1answer
1k views

ffmpeg webcam to device driver , output 8 bit grayscale

With the following command i'm trying to capture 10fps and send them the device driver. Now i want 8 bit gray raw frames (640x480= 307200 bytes per frame) to be send to the device driver. I can't ...
1
vote
1answer
224 views

Unable to install open CV in Ubuntu 12.04

I am trying to install openCv for learning purpose and then using it for OCR(Optical Character Recognition) but i am unable to install it in Ubuntu 12.04 I am following this link and able to carry ...
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3answers
1k views

How can I create a .deb package with my compiled OpenCV build?

OpenCV 2.4.2 took 6 hours to compile on the Raspberry Pi and I'd love to package everything up as a deb but I have never done that before. How can I package the compiled files so that they download or ...
-1
votes
1answer
502 views

Unable to install libhighgui-dev package in 11.10 [closed]

I the libhighgui-dev package has unmet dependencies in 11.10. what should I do? Synaptic says: libhighgui-dev: Depends: libgtk2.0-dev but it is not going to be installed Depends: libjasper-dev ...
4
votes
1answer
5k views

How do I configure OpenCV and Cygwin to work together?

I'm trying to configure OpenCV-2.2.0-win32-vs2010 with Cygwin to work together. Any ideas on how I can do that?