olemus
vesimärk, mis kaitstava objekti vähimagi muutmise puhul
ei ole taastatav (füüsiline) või avastatav (digitaalne)
=
a mark that is readily altered or destroyed when the host image is modified through a linear or nonlinear transformation

rakendused
- urkimise tõendamine
- urkimise tõrje

ülevaateid
http://www.rroij.com/open-access/a-review-of-watermarking-algorithms-fordigital-image.php?aid=46871

http://hvg.ece.concordia.ca/Publications/Conferences/AHS'08.pdf

https://www.ijeat.org/wp-content/uploads/papers/v3i5/E3249063514.pdf

https://iarjset.com/upload/2016/october-16/IARJSET%2012.pdf

https://www.mdpi.com/1999-5903/9/4/56/pdf

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6051131/

turvalisus
http://isrc.ccs.asia.edu.tw/yourslides/files/155/Security%20of%20fragile%20watermarking%20scheme%20for%20image%20authentication.pdf

vt ka
- digitaalvesimärk