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Line 10: Researchers remarked in December 2017 that [[Google image search]] is based on a perceptual hash.<ref name="agis">{{cite news \|title=Google Image Search Explained \|url=https://alibaba-cloud.medium.com/google-image-search-explained-30af8ba9cbea \|publisher=Medium \|date=26 December 2017}}</ref> In research published in November 2021 investigators focused on a manipulated image of [[Stacey Abrams]] which was published to the internet prior to her loss in the [[2018 Georgia gubernatorial election]]. They found that the pHash algorithm was vulnerable to nefarious actors.<ref name="hao21">{{cite journal \|last1=Hao \|first1=Qingying \|last2=Luo \|first2=Licheng \|last3=Jan \|first3=Steve T.K. \|last4=Wang \|first4=Gang \|title=It’s Not What It Looks Like: Manipulating Perceptual Hashing based Applications \|url=https://gangw.cs.illinois.edu/PHashing.pdf \|journal=Proceedings of the 2021 ACM SIGSAC Conference on Computer and Communications Security (CCS ’21), November 15–19, 2021, Virtual Event, Republic of Korea \|publisher=Association for Computing Machinery \|date=November 2021}}</ref> ==Characteristics==

Perceptual hashing: Difference between revisions