There are 2 repositories under photo-mosaic topic.
A photo mosaic (pixel collage) maker. Use all your friends' profile pictures to approximate your profile picture! 如何用 Python 制作一个炫酷的微信好友图
🖼️ A program that makes a photo mosaic out of any image.
Simple and easy photo mosaic effects using other images
We will look at the role and use of calibrated cameras for simple photomosaicing.