lossless compression of still images - recommendations?

Ralf Mardorf silver.bullet at zoho.com
Sun Feb 19 22:37:49 UTC 2017

Data compression might be useless, if the data is needed for work and
not just for archiving data.

17,280 photos a day = every 5 seconds one photo = 6,307,200 photos/year

Assuming each photo should have a size of 10 MiB it would be
63,072,000 MiB / 1024 = 61594 GiB
                        61594 GiB / 1024 = 60 TiB

That is a lot of HDD space. Assuming it should be possible to compress
such an amount of data a lot, then another issue does arise.

How long does it take

  1. to compress the data?

and much more important

  2. to extract the data for usage?

  3. What amount of uncompressed data is required for the work?

IOW it might happen, that for using the data, a lot of data anyway is
required, in a non-compressed format. Compressing data and extracting
data might take very long.


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