@CHAPTER{ iet:/content/books/10.1049/pbse003e_ch11, author = {Asem Othman}, affiliation = {Hoyos Labs LLC}, author = {Francis Mather}, affiliation = {Hoyos Labs LLC}, author = {Hector Hoyos}, affiliation = {Hoyos Labs LLC}, keywords = {smartphone;built-in rear camera;authentication;touchless fingerprint recognition system;4F-ID;mobile fingerprint systems;mobile four-fingers biometrics system;}, title = {4F™-ID: mobile four-fingers biometrics system}, booktitle = Mobile Biometrics, publisher = {Institution of Engineering and Technology}, year = {2017}, pages = {279-298}, series = {Security}, doi = {10.1049/PBSE003E_ch11}, url = {https://digital-library.theiet.org/;jsessionid=3dajb56a46wih.x-iet-live-01content/books/10.1049/pbse003e_ch11} }