A small example of Python work with Dlib for face detection

A friend of mine once suggested me to participate in his project and integrate a face recognition library into his backend code.

He needed just a simple answer — how many faces are on the picture?

I wrote a small script on Python, showing an example of work with it.

After that, closer to code. The script has one input parameter — image url. Our task consists of two steps: firstly we should download the image, then process it with dlib. The script exit code is number of faces on the image. If any error occurred, the exit code is 255.

Originally all code in the article was written in 2018

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