Perhaps someone is interested, DropBox developed a new image file format:
We are pleased to announce the open source release of Lepton, our new streaming image compression format, under the Apache license…
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One thing I didn’t understand: it sounds like, at least for Dropbox, that this compression will be transparent to the user, is this true?
Will there be a .lep image file format, similar to how there is a .jpg?
In the way I understand this, Dorpbox will hide the .leb files from the user and just internally use them. So Dropbox will save 20% space and the user will see no difference.
But you could use the commandline tool to create .leb files if you like.
./lepton original.jpg compressed.lep
./lepton compressed.lep restored_original.jpg
The tool is on github:
Cool, thank you for the expliantion. Seems like something we can benefit from!