lossless compression of still images - recommendations?

Dave Stevens geek at uniserve.com
Sat Feb 18 23:18:54 UTC 2017


On Sat, 18 Feb 2017 21:11:59 +0000
Colin Law <clanlaw at gmail.com> wrote:

> On 17 February 2017 at 21:11, Robert Heller <heller at deepsoft.com>
> wrote:
> > Use tar+bzip2.  
> 
> I thought that the OP meant that he wanted to compress the series of
> images, making use of the fact that they are little changed from one
> image to the next. Much like video is stored.
> 
> Colin

yes that's right but I hadn't thought of just tarring them (because
I've been focused on post capture conversion to video). I'll see what
happens that way.

d

> 
> >
> >
> > 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
> >>
> >>  
> >
> > --
> > Robert Heller             -- 978-544-6933
> > Deepwoods Software        -- Custom Software Services
> > http://www.deepsoft.com/  -- Linux Administration Services
> > heller at deepsoft.com       -- Webhosting Services
> >
> >
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> 



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