olemus
silma vikerkest, üks levinud biomeetriaobjekte

ISO/IEC 19794-6:
värviline rõngjas struktuur silma esiosas,
piirab pupilli ja reguleerib ta suurust,
koosneb lihas- ja sidekoest ning pigmentkihtidest
= coloured annular structure in the front portion of the eye comprised of muscular and connective tissue and pigmented layers, that defines the pupil and controls its size

näide
http://www.homelandsecuritynewswire.com/sites/default/files/imagecache/standard/pupiliris-1.jpg

iirise anatoomia
https://en.wikipedia.org/wiki/Iris_(anatomy)

iirisebiomeetria
https://upcommons.upc.edu/bitstream/handle/2117/89633/TFG_IrisBiometry.pdf?sequence=1&isAllowed=y

http://oaji.net/articles/2016/786-1462014830.pdf

https://www.ijltet.org/journal/152522200030.%202379.pdf

vt ka
- iirisetuvastus