Image:Difference 60 x5.jpg

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Difference_60_x5.jpg (174KB, MIME type: image/jpeg)

[edit] Summary

A demonstration of the artifacts created during jpg compression.

This image was made thus: The original and the compressed image were put on separate levels, with the difference filtering chosen for the top level. The image was flattened, auto level adjusted and inverted to accentuate the difference, which is nor as apparent in the images themselves.

By User:Janke from an original by User:Fir0002 : Original, Jpg

[edit] Licensing

GFDL

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

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