I am trying to install python-opencv for this code. https://github.com/rbgirshick/fast-rcnn

How do I do that? When I type pip install --user python-opencv i get

Could not find any downloads that satisfy the requirement python-opencv
Cleaning up...
No distributions at all found for python-opencv

I managed to install cython and easydict using

pip install --user cython
pip install --user easydict
  • Yes I need to install python-opencv but there isnt any instruction on how i can install python-opencv. i use pip because i always see pip ____. i am new to ubuntu i dunno anything about ubuntu so i need very clear instructions. – Kong Dec 2 '16 at 17:59
  • i managed to install easydict and cython using pip install --user – Kong Dec 2 '16 at 18:02
  • Okay. Can you please update your question to include details what you have actually tried so far? – edwinksl Dec 2 '16 at 18:09

Try sudo apt-get install python-opencv.


If you have pip already installed,then this would do

pip3 install opencv-python
  • Your answer is right, AFAICT, but for someone with the same question, who has already discovered pip it's probably better to know that if man pip doesn't work, then pip --help works (with applications in general) and tells you you can do pip search $terms. pip search opencv shows you that the package you want is probably opencv-python. And that's where the answer comes in. [If you demonstrate how to arrive at answer, the person can solve the problem themselves next time.]. Oh, and welcome to the site! – pbhj May 24 '19 at 12:34
  • 1
    Thanks, I would try to quickly adapt to properly present answers. – Aravind May 25 '19 at 13:08

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