Hot answers tagged opencv
Try building a cygwin port of OpenCV instead of using the windows one. Go to Cygwin ports, follow their instructions & download the "opencv" package (listed under graphics in "setup.exe"), make sure to select the "src?" checkbox. Build it. That's it.
If by OpenCV you mean the computer vision libraries at http://opencv.willowgarage.com/ then they are already packaged for debian by the Debian Science Team. Your best bet is to download the debianised source package from your nearest debian mirror, modify the debian/rules and/or Makefile or configure etc as needed to compile correctly on the raspberry pi ...
The reason for that may be cache trashing. CPU load is not just pure computation. It is CPU activity i.e. everything except sleeping and waiting for I/O. If a single process is running then it can probably use most of the CPU cache(s). If you start a second process then the Kernel may be clever enough to share the code between the two processes but they do ...
First, check pixel formats are supported by your output device driver: v4l2-ctl --list-formats -d /dev/devicedriver the pixelformat you want to pass to the v4l2-ctl command line is the fourcc shown in the result, eg: Pixel Format : 'YUYV' in this case your command line would be: v4l2-ctl --set-fmt-video-out=width=640,height=480,pixelformat=YUYV If ...
To install OpenCV using the terminal on Ubuntu: $ su - # apt-get update # apt-get install build-essential # apt-get install libavformat-dev # apt-get install x264 v4l-utils ffmpeg # apt-get install libcv2.3 libcvaux2.3 libhighgui2.3 python-opencv \ opencv-doc libcv-dev libcvaux-dev libhighgui-dev ...
It's installable on Ubuntu. But it looks like you're using Mint from the 2.24.6-0ubuntu5linuxmint1 version. Please file a bug in Mint.
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