Back in 2021 I looked at OpenEXR lossless compression options (and I think my findings led a change of the default zip compression level, as well as change of the compression library from zlib to libdeflate. Yay blogging about things!). Then in 2023 I looked at losslessly compressing a bunch of floating point data, some of which might be image-shaped. Well, now a discussion somewhere else has nerd-sniped me to look into lossless compression of floating point images, and especially the ones that ...