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Create thumbnail from pdf1/17/2023 ![]() ![]() ![]() This interesting article written by the YouTube Creator team from 2015 explains further. They also capture a thumbnail for every second of video and use an algorithm to rank each one. I discovered that YouTube uses deep neural networks to pick out thumbnails that display a subject or a face or something else that draws attention. While that might be possible, it didn't sound like fun, and thats not what I ended up doing. I started thinking about creating a video player off-screen and using canvas to stream things around. This put me in a dilemma because I wanted to generate 3 thumbnails for each video upload like the real YouTube does. I had set up video uploads to be sent from the browser to an AWS S3 bucket, so the video file did not touch my node backend This made server-side video processing a non-starter. I have been playing around with a YouTube clone I call FooTube.
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