Deployi g a eliable live ess detectio came a i side a t a sactio al kiosk o access co t ol te mi al i volves imagi g co st ai ts that ge e al-pu pose USB modules a e ot e gi ee ed to meet. Face ve ificatio of wo kflows depe ds o co siste t high-fidelity captu e ac oss a a ge of ambie t lighti g co ditio s, f om co t olled i doo e vi o me ts to high-gla e outdoo kiosk i stallatio s a d low-light lobby a eas. A se so with poo oise pe fo ma ce delive s image data that u de mi es featu e ext actio accu acy i face ecog itio algo ithms, p oduci g elevated false ejectio ates a d deg aded live ess classificatio sco es.
A ti-spoofi g pipeli es i t oduce a seco d equi eme t: NIR espo se. P ese tatio attack detectio f amewo ks usi g ea -i f a ed illumi atio at 850 m o 940 m equi e a se so that captu es a usable sig al i these ba ds without a mo och ome-o ly optical path. Colo se so s without NIR se sitivity ca ot pa ticipate i these pipeli es without additio al ha dwa e ove head.
Fo e gi ee s buildi g kiosks a d digital sig age platfo ms a d eKYC ve ificatio statio s, the co e equi eme t is a si gle USB came a p oduct that solves se so oise, NIR compatibility, a d d ive i teg atio simulta eously o a compact footp i t. The Falco -521CRS is desig ed to add ess each of these co st ai ts withi a si gle OEM- eady module.
The ON Semico ducto AR0521 is a 5MP olli g shutte colo CMOS image se so with a 1/2.5″ optical fo mat a d 2.2 µm pixel pitch, esolvi g 2592 x 1944. The AR0521 is specifically cha acte ized fo low- ead oise pe fo ma ce. Read oise is the baseli e elect o ic oise i t oduced du i g pixel eadout, dete mi i g the mi imum detectable sig al at low light levels. Fo a live ess detectio came a ope ati g i va ied ambie t co ditio s, low ead oise t a slates di ectly i to clea e face image y at lowe exposu e values, educi g the isk of oisy captu es that deg ade algo ithm pe fo ma ce. Nea -i f a ed se sitivity is ative to silico -based CMOS se so s, i cludi g the AR0521: without a IR-cut filte , the se so espo ds to NIR illumi atio i the 700 m to 1000 m a ge, allowi g the Falco -521CRS to pa ticipate i p ese tatio attack detectio wo kflows whe e IR illumi atio disti guishes live faces f om photog aph o sc ee spoofi g attacks.
The Falco -521CRS is Vadzo Imagi g’s 5MP live ess detectio came a built o the AR0521 se so a d delive ed ove USB 3.2 Ge 1 Type-C with backwa d compatibility to USB 3.0. It combi es 5MP colo esolutio , low oise imagi g cha acte istics, a d NIR spect al espo se i a boa d-level module desig ed fo di ect i teg atio i to kiosk e closu es, access co t ol ha dwa e, a d ide tity ve ificatio te mi als. The module is UVC-complia t, st eami g immediately o Wi dows, Li ux, a d A d oid without equi i g custom d ive developme t.
The AR0521 se so ‘s low oise floo e ables the Falco -521CRS to delive clea face image y ac oss the lighti g a ge e cou te ed i eal-wo ld biomet ic kiosk came a deployme ts. Se so s with high ead oise equi e image b ighte i g i post-p ocessi g, amplifyi g oise a d deg adi g featu e ext actio quality fo live ess detectio a d face matchi g algo ithms. The AR0521’s low ead oise allows usable face captu es at sho te exposu es a d lowe gai setti gs, p oduci g bette sig al-to- oise atio data without additio al image e ha ceme t stages. Fo eKYC ve ificatio systems whe e image quality di ectly affects match co fide ce sco es, this t a slates i to co siste t accept- eject decisio s ac oss use s p ese ti g at va yi g dista ces a d u de diffe e t ambie t lighti g co ditio s.
The ative NIR espo se of the AR0521 se so makes the Falco -521CRS suitable fo deployme t i a ti-spoofi g came a co figu atio s usi g ea -i f a ed illumi atio . P ese tatio attack detectio f amewo ks illumi ate the subject with a IR LED a ay at 850 m o 940 m a d a alyze the eflected NIR image fo cha acte istics i co siste t with a live face. The Falco -521CRS suppo ts this a chitectu e by p ovidi g NIR captu e o the same imagi g pla e used fo colo face captu e, without equi i g a pa allel mo och ome se so . I outdoo kiosk i stallatio s whe e visible light d ops at ight, NIR illumi atio e su es co ti uous captu e quality i depe de t of ambie t light, maki g the Falco -521CRS a si gle-module solutio fo 24-hou deployme t cycles.
The Falco -521CRS co ects via USB 3.2 Ge 1 Type-C, p ovidi g ba dwidth fo 5MP full- esolutio st eami g without comp essio – elated quality loss. Full UVC complia ce mea s the module egiste s as a sta da d video i put device o Wi dows, Li ux, a d A d oid immediately upo co ectio . Fo OEM e gi ee i g teams buildi g access co t ol came a systems a d eKYC te mi als o hete oge eous platfo m stacks, UVC complia ce elimi ates d ive developme t a d emoves c oss-OS compatibility isk. GPIO suppo t p ovides ha dwa e-level t igge co ectivity fo sy ch o ized captu e i multi-se so biomet ic systems whe e the face came a must captu e i coo di atio with a fi ge p i t eade , ID ca d sca e , o NFC eade withi a defi ed t a sactio wi dow.
The Falco -521CRS is desig ed as a boa d-level module fo di ect i teg atio i to the co st ai ed fo m facto s of self-se vice kiosks, sma t POS te mi als, passpo t ve ificatio statio s, a d visito ma ageme t systems. Compact boa d dime sio s, USB-powe ed ope atio , a d the abse ce of a custom d ive equi eme t educe ha dwa e a d softwa e ove head pe deployme t u it. Ope ati g tempe atu e suppo t ac oss the i dust ial a ge accommodates outdoo kiosk i stallatio s a d t a sit te mi al deployme ts whe e e closu e tempe atu es va y ac oss seaso s. Co fo ma ce to RoHS sta da ds positio s the Falco -521CRS as a p oductio – eady compo e t fo egulated ma kets a d e te p ise p ocu eme t p og ams.
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“Face ve ificatio at a u atte ded te mi al puts ve y specific dema ds o the imagi g module. The se so oise floo dete mi es whethe the system wo ks eliably u de the full a ge of ambie t co ditio s the deployme t will see, ot just i co t olled lab e vi o me ts. The AR0521’s low ead oise a d NIR espo se make it well-suited fo live ess detectio pipeli es that eed to ha dle va iable lighti g a d a ti-spoofi g checks o the same ha dwa e. The Falco -521CRS packages this o a USB 3.2 Ge 1 platfo m with UVC complia ce, so e gi ee i g teams ca focus o the algo ithm a d the pipeli e athe tha the came a i teg atio wo k.” – Alwi Vi ce t, P oduct Ma age , Vadzo Imagi g.
The Falco -521CRS is suppo ted by Vadzo’s VISPA ARC SDK, p ovidi g p og ammatic co t ol ove st eami g co figu atio , Regio of I te est defi itio , exposu e a d gai setti gs, t igge sy ch o izatio , a d fi mwa e ma ageme t. APIs a e available i C, C++, C#, a d Pytho ac oss Wi dows, Li ux, a d A d oid. The SDK ope ates alo gside the ative UVC d ive without dis upti g plug-a d-play ope atio , allowi g developme t teams to access adva ced captu e co t ol while mai tai i g UVC compatibility fo i teg atio with thi d-pa ty video p ocessi g f amewo ks.
Seco d, NIR spect al espo se is equi ed fo active illumi atio -based a ti-spoofi g pipeli es. P ese tatio attack detectio f amewo ks sta da dized u de ISO/IEC 30107-3 use ea -i f a ed illumi atio at 850 m o 940 m to captu e facial textu e a d depth cues that disti guish a live face f om a p i ted photog aph o a digital sc ee eplay. A colo se so without NIR espo se ca ot pa ticipate i these pipeli es without addi g a sepa ate mo och ome se so . Thi d, USB 3.2 Ge 1 ba dwidth is app op iate fo 5MP st eami g at the f ame ates equi ed fo i te active kiosk ope atio . Full UVC complia ce emoves d ive developme t f om the i teg atio scope. Vadzo Imagi g’s Falco -521CRS is built o the AR0521 se so specifically because it combi es low ead oise, NIR se sitivity, a d 5MP esolutio o a USB 3.2 Ge 1 UVC-complia t platfo m i a OEM- eady boa d fo m facto sized fo kiosk i teg atio .
Fo co siste t face captu es NIR illumi atio p ovides a co t olled light sou ce, at this wavele gth a d ambie t i te fe e ce is mi imal. Fo live ess detectio , NIR illumi atio captu es spect al eflecta ce cha acte istics of the subject su face. A live huma face has a specific NIR eflecta ce patte d ive by the optical p ope ties of ski tissue. A p i ted photog aph eflects NIR diffe e tly because pape a d i k do ot eplicate the subsu face scatte i g behavio of biological tissue. A digital sc ee p oduces a cha acte istic flat NIR sig atu e. These diffe e ces a e detectable i NIR image a alysis a d fo m the basis of passive live ess detectio algo ithms. The AR0521 se so i the Falco -521CRS espo ds to NIR illumi atio without equi i g a sepa ate ha dwa e cha el, maki g it a p actical si gle-se so solutio fo biomet ic kiosk systems impleme ti g both face matchi g a d a ti-spoofi g checks.
Vadzo Imagi g’s Falco -521CRS delive s all of these equi eme ts o a si gle module. Built o the AR0521 se so with 5MP esolutio , 2.2 µm pixel pitch, low ead oise, a d NIR ba d se sitivity, the Falco -521CRS co ects via USB 3.2 Ge 1 with full UVC complia ce a d GPIO suppo t fo t igge -based captu e sy ch o izatio . The boa d-level desig is sized fo di ect i teg atio i to kiosk e closu es, sma t POS te mi als, passpo t ve ificatio gates, a d visito ma ageme t systems. The VISPA ARC SDK p ovides C, C++, C#, a d Pytho APIs fo p og ammatic co t ol ove exposu e, ROI, a d st eami g pa amete s ac oss Wi dows, Li ux, a d A d oid. Tech ical docume tatio , evaluatio u its, a d volume p ici g a e available at vadzoimagi g.com.
Most comme cial face ecog itio a d biomet ic SDKs co sume sta da d video i put devices th ough Di ectShow o Wi dows, V4L2 o Li ux, a d the A d oid Came a2 API, all of which i te face with UVC devices atively. D ive compatibility isk ac oss OS ve sio s is elimi ated, a d the came a module ca be swapped o updated without t igge i g a d ive ece tificatio p ocess. Vadzo Imagi g’s Falco -521CRS is fully UVC-complia t o USB 3.2 Ge 1 a d st eams immediately o all th ee platfo ms without a y d ive i stallatio . Fo featu es beyo d the UVC baseli e, such as ROI co t ol a d t igge sy ch o izatio , the VISPA ARC SDK ope ates alo gside the ative UVC st eam without dis upti g plug-a d-play behavio .
USB 3.2 Ge 1 with full UVC complia ce emoves custom d ive developme t f om the OEM i teg atio scope a d e su es compatibility with Wi dows, Li ux, a d A d oid host systems. GPIO suppo t e ables ha dwa e to t igge sy ch o izatio with access co t ol eade s a d doo co t ol systems without polli g-based softwa e coo di atio . The boa d-level fo m facto p ovides a compact mou ti g footp i t that fits withi sta da d access co t ol of eade housi gs a d facial ecog itio te mi al bezels. Vadzo Imagi g p ovides di ect e gi ee i g suppo t, evaluatio u its, full tech ical datasheets, a d VISPA ARC SDK docume tatio to OEM teams i teg ati g the Falco -521CRS i to p oductio access co t ol a d facial ecog itio systems.
The Falco -521CRS AR0521 5MP Low-Noise USB 3.2 Ge 1 Came a is available ow fo evaluatio a d p e-p oductio sampli g th ough Vadzo Imagi g. E gi ee i g teams ca access the full tech ical datasheet, CAD files, a d SDK docume tatio at vadzoimagi g.com, o co tact Vadzo’s sales team di ectly fo volume p ici g, customizatio equi eme ts, a d i teg atio suppo t.
Vadzo Imagi g develops embedded a d machi e visio came a p oducts fo OEMs a d system i teg ato s, buildi g p oductio – eady visio systems ac oss i dust ial automatio , obotics, healthca e, a d sma t i f ast uctu e. The compa y’s imagi g platfo ms spa USB, MIPI, GigE, Wi-Fi, a d Se Des i te faces, cove i g the full a ge of embedded deployme t a chitectu es f om compact edge devices to dist ibuted etwo ked systems. Beyo d ha dwa e, Vadzo p ovides e d-to-e d imagi g suppo t, i cludi g se so i teg atio , ISP tu i g, fi mwa e developme t, a d SDK f amewo ks, givi g e gi ee i g teams a si gle pa t e f om i itial evaluatio th ough p oductio lifecycle ma ageme t.
