lossless compression of still images - recommendations?

[Robert Heller]

Use tar+bzip2.  


At Fri, 17 Feb 2017 10:48:16 -0800 "Ubuntu user technical support,  not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:

> 
> I'm making a long series of exposures of a landscape where there will be
> only very small (but potentially significant) changes from frame to
> frame. Basically I'll take a 5MP image every 5 seconds for a year, I'll
> want to timestamp the images and keep them all for later
> post-processing, as well as being able to retrieve the image closest in
> time to a specified time and date of interest (which I can't predict.)
> 
> I want the retrieved image to be faithful to the original, so I'd like
> to minimize storage needs by compressing the mostly unchanging parts
> (the landscape won't be moving much.)
> 
> Does anyone have a recommendation for a program to do this?
> 
> Dave
> 
> 

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