olemus
biomeetria, mis liigitab,
kuid enamasti ei individualiseeri:
biomeetrikuteks on eemalt eristatavad välistunnused,
näiteks
- kasv
- sugu
- nahavärvus
- juuste värvus

ülevaateid
http://www.slideserve.com/kerry/soft-biometrics

https://en.wikipedia.org/wiki/Soft_biometrics

https://www.intechopen.com/books/machine-learning-and-biometrics/a-survey-on-soft-biometrics-for-human-identification

http://biometrics.cse.msu.edu/Publications/SoftBiometrics/JainDassNandakumar_SoftBiometrics_SPIE04.pdf

http://www.comp.hkbu.edu.hk/wsb17/slides/Terence_Sim.pdf

http://vbn.aau.dk/files/219488771/on_softbiometrics_preprint.pdf

http://antitza.com/DantchevaVelardoDAngeloDugelay_BoSB.pdf

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3418766/