Photo forgery Flashcards
1
Q
Aim of photo forensics
A
Source camera identification
Image integrity checks
2
Q
Detecting photo forgeries
A
Reverse image search
EXIF data check
Specular reflections
Photogrammetry
Inconsistencies in shadows/reflections
Grey level resampling
JPEG signatures
3
Q
Reverse image search
A
Tineye.com
Images.google.com
By performing reverse image search we can sometimes determine if the image already existed online before it was deleted
4
Q
EXIF - exchangeable image file
A
Is the image consistent with the camera settings
It provides the camera make and model
Could also contain time and date, and GPS coordinates
However this stuff can be removed intentionally or unintentionally
