Python: How to pip install opencv2 with specific version 2.4.9?

Question

I know that I could pip install opencv-python which installs opencv3, but is there a separate command or name for opencv specific version such as 2.4.9?

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Answer 1

The following command line pip install opencv-python==3.4.2.16 works properly. Use one of the versions presented to you. May be:

3.1.0.5, 3.2.0.6, 3.2.0.7, 3.2.0.8, 3.3.0.9, 3.3.0.10, 3.3.1.11, or 3.4.0.12, etc.

To make sure, you can see my screenshot.screenshot

Answer 2

Via pip you can specify the package version to install using the following:

pip install opencv-python==2.4.9

However, that package does not seem to be available on pypi.

A little trick for checking available versions:

pip install opencv-python==

Which returns:

Could not find a version that satisfies the requirement opencv-python== (from versions: 3.1.0.0, 3.1.0.1, 3.1.0.2, 3.1 .0.3, 3.1.0.5, 3.2.0.6, 3.2.0.7) No matching distribution found for opencv-python==

Answer 3

If you're a Windows user, opencv can be installed using pip, like this:

pip install opencv-python==<python version>

ex - pip install opencv-python==3.6

If you're a Linux user:

sudo apt-get install python-opencv

At the same time, opencv can be installed using conda like this...

conda install -c https://conda.binstar.org/menpo opencv=3.6

Answer 4

There's another easy way, you can type in terminal

sudo apt-get install python-opencv

Install OpenCV-Python in Ubuntu

After installing it, you can use opencv version 2.4 in both c++ and python.

But I recommend you should use opencv 3.2.0 and opencv-contrib, it gives more features

Hope this can help!

Answer 5

First, get the correct opencv version extension which you want to install. If you want to install 3.4.9.20 then run pip install opencv-python==3.4.5.20.

Answer 6

python -m pip install opencv-python

which will install opencv based on your current python