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The 11-mile long, 600 lbs IMAX print of ‘OPPENHEIMER’
(i.imgur.com)
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this post was submitted on 14 Jul 2023
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An uncompressed 4K frame with 16-bit color is about 50 MB. An uncompressed 18K frame with 16-bit color is just over 1 GB.
I don’t disagree with you that lossless 18K video storage is trivially easy—digital storage is shockingly cheap these days—but I’m curious where you’re getting those numbers from. Compressing an hour of 18K video from 87 TB to 20 TB seems like a remarkable feat.
I was using lossless compressed image sizes becuase they were relatively easy to find. So those 4K 16-bit frames were more like 12 MB instead of 50. That's where the compression comes from. Lossless image compression details were much easier to find than losses video compression details, and I could test them myself easily. The 12 MB will depend on the original image, as some compress much more readily than others, but it's reasonable.