Bellingcat:
> Die Fehlerstufenanalyse zeigt fünf Bereiche mit signifikant unterschiedlichem
> Fehlerniveau.
Bereich B z.B im Bild 5 und zieht seine Analyse hierher:
http://fotoforensics.com/analysis.php?id=2b8c6756d5fd31c161f7568d4dc4f361196eff77.8869
Und was schreibt die Tutorialseite desselben Anbieters?
http://fotoforensics.com/tutorial-ela.php
Rainbowing:
"
In general, Photoshop and other Adobe products generate a large amount of rainbowing. However, rainbowing is not an exclusive artifact to Adobe products. For example, the open source GIMP program generates little rainbowing and some high-quality camera photos may also include rainbowing along uniform-colored surfaces, such as white walls or blue skies. Some drawing tools, such as Microsoft's Paint, do not generate rainbowing.
"
Soso Photoshop also sehr anfällig für Rainbowing und:
"
uniform-colored surfaces, such as white walls or blue skies.
"
weiße Wolken vielleicht auch?
Zu den *Caveats* dieser Analysmethode schreibt dieselbe Quelle (auf die sich Bellingcat beruft)
"
With Photoshop, the simple act of saving the picture can auto-sharpen textures and edges, creating a higher error level potential. This artifact does not identify intentional modification; it identifies that an Adobe product was used. (Remember: if someone needs to download a picture from their camera or resize a picture for the web, they are just as likely to reach for Photoshop as they are to use any other tool.) Technically, ELA detects a modification because Adobe automatically performed a modification, but the modification was not necessarily intentional by the user.
"
Einfach lächerlich was hier Bellingcat abliefert.
Und neu ist es auch nicht (nennt man wenn ohne Quellenangabe Plagiat):
28. Juli 2014. http://avva.livejournal.com/2790690.html?page=2
Scrollt mal runter.