pico.js, a face-detection library written in JavaScript, and show how it works. Although similar projects already exist, our goal is to provide a smaller and computationally more efficient alternative. Before diving into details, you are encouraged to try a real-time demo that detects faces in a video stream provided by a webcam attached to your computer (works on mobile devices as well). Note that all the processing is done on the client side, i.e., without sending images to a server. So you do not have to worry about privacy issues when running this code.
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