Product Identification
- Color copiers and maybe some color computer printers steganographically embed their identification number to some printouts as a countermeasure of currency forgeries.
- Copiers and computer printers can be potentially identified by the minor variants of the way they feed the paper through the printing mechanism, leaving banding artifacts. Analysis of the toners is also used.
- Documents are characterized by the composition of their paper and ink.
- Firearms can be identified by the striations on the bullets they fired and imprints on the cartridge casings.
- Paper shredders can be potentially identified in a similar way, by spacing and wear of their blades.
- Photo identification is used to detect and identify forged digital photos.
- Typewriters can be identified by minor variations of positioning and wear of their letters.
- Illegal drugs can be identified by which color it turns when a reagent is added during a color test. Gas Chromatography, Infrared Spectrometry or Mass Spectrometry is used in combination with the color test to identify the type of drug.
Read more about this topic: Forensic Identification
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