2016-08-10 08:04:47 -0600 | asked a question | Not able to display image/video in ubuntu using OpenCV and Python cv2.imshow() is not working in Ubuntu 14.04 with OpenCV 3.0.0 and Python 2.7, facing an error saying "(dsp:3071): Gtk-WARNING **: cannot open display:" I have tried to update libgtk2.0-dev library, but still not able to view/display the image in Ubuntu Thanks, Sri |
2016-04-17 23:35:56 -0600 | received badge | ● Editor (source) |
2016-04-15 08:18:21 -0600 | asked a question | Install opencv 3.0.0 in linux RHEL with python2.7 Hi All, Am trying to install opencv 3.0.0 with python 2.7.6 in virtual environment of Red Hat Enterprise Linux Server release 6.7 (Santiago). when am trying to install image I/O packages using following command sudo yum install libjpeg8-dev libtiff4-dev libjasper-dev libpng12-dev it is returning as below Loaded plugins: amazon-id, rhui-lb, security Setting up Install Process No package libjpeg8-dev available. No package libtiff4-dev available. No package libjasper-dev available. No package libpng12-dev available. Error: Nothing to do And same problem with following commands also sudo yum install libgtk2.0-dev Loaded plugins: amazon-id, rhui-lb, security Setting up Install Process No package libgtk2.0-dev available. Error: Nothing to do sudo yum install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev Loaded plugins: amazon-id, rhui-lb, security Setting up Install Process No package libavcodec-dev available. No package libavformat-dev available. No package libswscale-dev available. No package libv4l-dev available. Error: Nothing to do I have installed python 2.7.6 and using pip command I have installed numpy library also successfully am trying to install opencv 3.0.0 using following steps $ cd ~ $ git clone https://github.com/Itseez/opencv.git $ cd opencv $ git checkout 3.0.0 $ cd ~ $ git clone https://github.com/Itseez/opencv_cont... cd opencv_contrib $ git checkout 3.0.0 cd ~/opencv $ mkdir build $ cd build $ cmake -D CMAKE_BUILD_TYPE=RELEASE \ -D CMAKE_INSTALL_PREFIX=/usr/local .. $ make when trying to compile using "make" command facing compilation errors as below Linking CXX shared library ../../lib/cv2.so /usr/bin/ld: /usr/local/lib/libpython2.7.a(abstract.o): relocation R_X86_64_32 against `.rodata.str1.8' can not be used when making a shared object; recompile with -fPIC /usr/local/lib/libpython2.7.a: could not read symbols: Bad value collect2: ld returned 1 exit status make[2]: * [lib/cv2.so] Error 1 make[1]: [modules/python2/CMakeFiles/opencv_python2.dir/all] Error 2 make: ** [all] Error 2 i have tried to install libpython2.7.so, still am facing same problem can anyone help me? |