dlib installation on Windows 10

Question

I want to use dlib with python for image recognition. I have the python app running great with OpenCV on Windows 10, but when I want to install dlib from the cmd it gives me this following error :

error: Cannot find cmake, ensure it is installed and in the path. You can install cmake using the instructions at https://cmake.org/install/ You can also specify its path with --cmake parameter. 

What should I do?

Answer 1

Install Dlib from .whl

Dlib 19.7.0

pip install https://pypi.python.org/packages/da/06/bd3e241c4eb0a662914b3b4875fc52dd176a9db0d4a2c915ac2ad8800e9e/dlib-19.7.0-cp36-cp36m-win_amd64.whl#md5=b7330a5b2d46420343fbed5df69e6a3f 

You can test it, downloading an example from the site, for example SVM_Binary_Classifier.py and running it on your machine.

Note: if this message occurs you have to build dlib from source:

dlib-19.7.0-cp36-cp36m-win_amd64.whl is not a supported wheel on this platform

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Install Dlib from source (If the solution above doesn't work)##

Windows Dlib > 19.7.0

1. Download the CMake installer and install it: https://cmake.org/download/

2. Add CMake executable path to the Enviroment Variables:

   set PATH="%PATH%;C:\Program Files\CMake\bin"

   note: The path of the executable could be different from C:\Program Files\CMake\bin, just set the PATH accordingly.

   note: The path will be set temporarily, to make the change permanent you have to set it in the “Advanced system settings” → “Environment Variables” tab.

3. Restart The Cmd or PowerShell window for changes to take effect.

4. Download the Dlib source(.tar.gz) from the Python Package Index : https://pypi.org/project/dlib/#files extract it and enter into the folder.

5. Check the Python version: python -V. This is my output: Python 3.7.2 so I'm installing it for Python3.x and not for Python2.x

note: You can install it for both Python 2 and Python 3, if you have set different variables for different binaries i.e: python2 -V, python3 -V

NOTE: Make sure to open the PowerShell as admin, and you're inside the dlib directory before proceeding to step 6

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6. Run the installation: python setup.py install

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Linux Dlib 19.17.0

sudo apt-get install cmake  wget https://files.pythonhosted.org/packages/05/57/e8a8caa3c89a27f80bc78da39c423e2553f482a3705adc619176a3a24b36/dlib-19.17.0.tar.gz  tar -xvzf dlib-19.17.0.tar.gz  cd dlib-19.17.0/  sudo python3 setup.py install 

note: To install Dlib for Python 2.x use python instead of python3 you can check your python version via python -V

Answer 2

Follow these steps:

• pip install cmake
• Install Visual Studio build tools from here.
• In Visual Studio 2017 go to the Individual Components tab, Visual C++ Tools for Cmake, and check the checkbox under the "Compilers, build tools and runtimes" section.
• pip install dlib