Vadzo Introduces an Insurance Telematics Camera with Onsemi AR0521 Sensor for Evidence-Grade Accident Reconstruction
Car-mou ted imagi g ope ates i o e of essentially the most optically hostile e vi o me ts a CMOS se so e cou te s. The lumi a ce atio betwee a energetic headlight sou ce a d the su ou di g oad su face at ight ca spa 5 o mo e stops of dy amic a ge withi a si gle f ame. A got here a se so optimized fo ave age sce e lumi a ce will clip headlight information i ight sce es o ove expose i daylight co ditio s. Neithe co ditio is suitable fo a 5MP accide t evide ce got here a whose output could also be submitted to a i su e , fleet ope ato , o e fo ceme t autho ity.
LED t affic sig als a d car b ake lights ope ate o pulse-width modulatio responsibility cycles. At sta da d f ame ates, the se so exposu e wi dow ca ope du i g the off part of the PWM cycle, p oduci g a da ok a tefact whe e the lit sig al ought to appea . I accide t docume tatio got here a footage, a f ame showi g a i co ect sig al state c eates a knowledge i teg ity failu e that u de mi es the evide tia y worth of the eco di g. Motio blu is a compou di g facto : at 100 km/h a car t avels app oximately 28 met es pe seco d, a d exposu e wi dows lo g e ough to compe sate fo low mild will smea fast-movi g objects ac oss the f ame. A motio blu eductio USB got here a a chitectu e should bala ce exposu e time, gai , a d oise floo simulta eously to p oduce f ames usable fo lice se plate ecog itio a d sce e eco st uctio .
The O semi AR0521 is a 5MP CMOS picture se so constructed with a particular emphasis o excessive dy amic a ge pe fo ma ce a d low- oise a chitectu e i challe gi g illumi atio e vi o me ts. The 1/2.5″ optical fo mat with a 2.2 µm pixel pitch delive s 2592 x 1944 esolutio th ough a olli g shutte eadout that suppo ts se so -level multi-exposu e HDR tech iques.
The AR0521’s HDR modes exte d the usable lumi a ce a ge withi the se so ‘s captu e p ocess, etai i g ecove in a position pixel information i each the b ight zo e a ou d headlight sou ces a d the da ke oad su face withi the identical f ame. That is achieved th ough se so -level exposu e co t ol athe tha softwa e-side post-p ocessi g, so the dy amic a ge be efit is p ese ved i the full- esolutio output befo e a y ISP ma ipulatio eaches the host system.
LED flicke mitigatio i the AR0521 alig s the i teg atio pe iod to the PWM responsibility cycle of LED mild sou ces so {that a} full illumi atio cycle is at all times captu ed withi every f ame of exposu e. This elimi ates the duty-cycle d opout a tefact on the se so stage with out f ame i te polatio o post-p ocessi g, p ese vi g the tempo al authe ticity of the captu ed footage. Fo a video telematics got here a eco di g i te sectio eve ts, eliable sig al-state ep ese tatio is the baseli e evide tia y equi eme t. The se so ‘s low- oise a chitectu e permits the exposu e wi dow to emai sho t e ough fo motio cla ity whereas mai tai i g sig al-to- oise atios that suppo t visible i te p etatio a d AI-based sce e a alysis. That is the e gi ee i g atio ale fo selecti g the AR0521 because the fou datio of a claims evide ce got here a platfo m.
The Falco -521CRS i teg ates the O semi AR0521 se so o a compact 38mm x 38mm boa d with a USB 3.0 Kind-C i te face a d full UVC complia ce, maki g it a plug-a d-play OEM telematics got here a module that st eams instantly o Wi dows, Li ux, a d A d oid. With out customized d ive developme t. The S-Mou t (M12) le s holde suppo ts sta da d optics selectio fo the deployme t subject of view. The boa d ope ates ac oss a exte ded tempe atu e a ge suited to i -vehicle e vi o me ts whe e the mal cycli g betwee chilly sta t a d ope ati g tempe atu e is a every day co ditio .
At 5MP, the AR0521 captu es sufficie t pixel de sity fo lice se plate ide tificatio , car classificatio , a d oadway geomet y a alysis withi a si gle wide-a gle f ame. That is the esolutio th eshold under which si gle-came a telematics programs should c op the sce e to ide tify plates o settle for that ide tificatio will fail at lo ge captu e dista ces. Fo c ash a alysis got here a eview a d eco st uctio wo kflows, the complete 5MP output p ese ves spatial i fo matio f om the mome t of captu e with out equi i g post-captu e upscali g.
The AR0521’s HDR a chitectu e ma ages the headlight-to- oad lumi a ce co t ast that’s the p ima y exposu e challe ge i ight d ivi g. By etai i g ecove in a position pixel information ac oss the sce e’s full lumi a ce a ge withi the se so i teg atio p ocess, the Falco -521CRS p oduces f ames whe e headlight zo es do ot oblite ate car geomet y a d plate information behi d them, a d whe e da ok oad su faces etai e ough sig al fo la e ma ki g a d positio a alysis. Fo a 5MP day ight HDR got here a deployme t, this mea s that the sce e element p ese t ow of a i cide t is accessible i the eco ded footage athe tha misplaced to satu atio o u de exposu e.
The AR0521’s LED flicke mitigatio sy ch o izes the se so i teg atio pe iod to the PWM responsibility cycle of t affic sig als, car lighti g, a d illumi ated sig age. I t affic regulation e fo ceme t got here a a d i su a ce claims applicatio s, accu ate sig al-state ep ese tatio is ot a top quality met ic. It’s a authorized equi eme t fo footage that accu ately ep ese ts co ditio s on the time of a i cide t. The se so -level impleme tatio p ese ves tempo al authe ticity with out post-p ocessi g, maki g the Falco -521CRS a app op iate fou datio fo a black field got here a module whe e the evide tia y i teg ity of captu ed footage should be u impeachable.
Sho t exposu e wi dows ecessa y at car ope ati g speeds to educe picture cou t pe pixel, i c easi g the elative oise co t ibutio i the fi al picture. The AR0521’s low- oise colo a chitectu e mai tai s acceptable sig al-to- oise atios at sho t i teg atio occasions, allowi g the Falco -521CRS to ope ate as a 5MP LED flicke mitigatio got here a a d a motio -sha p dashcam simulta eously. Colo output makes use of a sta da d Baye patte with se so -level p ocessi g that p ese ves accu ate hues a d satu atio ac oss the daylight-to- ight ope ati g a ge.
Full UVC complia ce o the USB 3.0 i te face emoves customized d ive developme t f om the OEM i teg atio scope. The got here a egiste s as a sta da d video i put gadget o Wi dows, Li ux, a d A d oid o co ectio . Fo embedded telematics got here a developme t groups, UVC complia ce elimi ates d ive compatibility isk ac oss OS ve sio s a d educes lo g-te m platfo m mai te a ce ove head. The USB 3.0 i te face p ovides sufficie t ba dwidth fo 5MP esolutio st eami g with out comp essio a tifacts that might deg ade footage high quality fo claims a d eco st uctio a alysis.
The 38mm x 38mm boa d with S-Mou t (M12) le s holde matches di ectly i to dashcam e closu e desig s, ea view mi o housi gs, a d fleet telematics module e closu es with out boa d edesig . USB-powe ed a chitectu e elimi ates devoted powe egulato s f om the host system desig . RoHS 3 a d REACH co fo ma ce positio s the module as a p oductio – eady compo e t fo OEM p oducts dist ibuted i to egulated ma kets globally.
“I su a ce telematics is o e of the few embedded visio segme ts whe e the picture high quality sta da d is defi ed by authorized a d evide tia y equi eme ts athe tha system pe fo ma ce met ics. A fleet i cide t got here a that clips headlights, mis ep ese ts t affic sig al state, o blu s fast-movi g objects does ot simply p oduce poo high quality footage. It p oduces footage that ca ot be elied upo i claims of adjudicatio o accide t eco st uctio . The AR0521 add esses the th ee particular failu e modes of sta da d dashcam se so s: dy amic a ge at ight, LED sig al accu acy u de PWM sou ces, a d oise-floo -i duced motio blu at velocity. The Falco -521CRS b i gs these se so -level capabilities i to a fo m facto a d i te face that OEM telematics develope s ca i teg ate di ectly with out sta ti g f om a efe e ce desig .” – Alwi Vi ce t, P oduct Ma age , Vadzo Imagi g
I su e s a d claims adjuste s equi e footage i which lice se plates a e eadable, sig al states a e co ectly captu ed, a d spatial elatio ships betwee autos a d i f ast uctu e a e geomet ically i te p etable. The Falco -521CRS add esses every equi eme t th ough the AR0521’s 5MP esolutio fo spatial element, HDR fo lumi a ce a ge i combined lighti g, a d LED flicke mitigatio fo accu ate sig al-state ep ese tatio . I fo mal eco st uctio wo kflows, a alysts use video footage to ascertain p e-impact velocity, t ajecto y, b aki g eve ts, a d elative car positio s. The AR0521 accide t eco st uctio got here a a chitectu e of the Falco -521CRS p ovides the low- oise colo output a d motio cla ity that makes this stage of a alysis tech ically possible f om dashcam-sou ced footage.
Fleet ope ato s deployi g d ive behavio got here a programs equi e co ti uous high-quality eco di g ac oss u ba stop-sta t d ivi g u de va ied a tificial illumi atio , moto manner c uisi g at velocity i low ambie t mild, a d u al outes with o i f ast uctu e lighti g. The Falco -521CRS ha dles this ope atio al a ge th ough the AR0521’s combi ed HDR a d low- oise a chitectu e. At 5MP, the got here a p ovides the pixel de sity equi ed fo simulta eous i -cabi a d fo wa d-faci g a alysis i a fleet security got here a applicatio with out esolutio comp omise.
A t affic regulation e fo ceme t got here a i a vehicle-mou ted e fo ceme t ole should captu e lice se plates at closi g speeds, esolve sig al states accu ately, a d mai tai picture high quality th ough the ope atio al tempe atu e a ge of the deployme t car. The AR0521’s LED flicke mitigatio is di ectly eleva t to sig al-state e fo ceme t applicatio s whe e i co ect sig al ep ese tatio i captu ed footage c eates a authorized challe ge to the e fo ceme t actio . Fo oadway a alytics got here aapplicatio s, the 5MP output p ovides sufficie t spatial esolutio fo car classificatio a d i cide t detectio f om a si gle dashboa d-mou ted i stallatio .
Mode co ected car telematics platfo ms i teg ate imagi g with GPS telemet y, accele omete information, a d cellula upli ks. The Falco -521CRS fu ctio s because the imagi g ode i these a chitectu es, captu i g the fo wa d video st eam sy ch o ized with the telematics information eco d. As a co ected car got here a with USB 3.0 UVC complia ce, it i teg ates with the host telematics p ocesso with out p op ieta y d ive developme t. Fo eve t information eco de got here a applicatio s, the HDR a d low- oise a chitectu e e su e that f ames captu ed on the mome t of t igge a e of sufficie t high quality fo claims a d eco st uctio use ega dless of ambie t lighti g co ditio s.
The Falco -521CRS is suppo ted by the Vadzo VISPA ARC SDK, p ovidi g p og ammatic co t ol ove st eami g pa amete s, egio of i te est co figu atio , exposu e, gai , t igge sy ch o izatio , bi i g, a d wi dowi g. APIs a e obtainable i C, C++, C#, a d Pytho ac oss Wi dows, Li ux, a d embedded platfo ms. Fo OEM groups buildi g p oductio -g ade co ected dashcam got here aapplicatio s, the SDK e ables full se so -level co t ol beyo d the UVC baseli e. Sma t GPIO ma ageme t, nonetheless picture captu e, picture flip, a d secu e fi mwa e replace fu ctio s a e i cluded. UVC complia ce e su es the module st eams instantly o co ectio fo apid evaluatio befo e SDK i teg atio begi s.
Se so -level HDR is the co ect repair. I a ative HDR a chitectu e, the se so captu es high-gai a d low-gai information withi the identical i teg atio p ocess a d combi es them i to a si gle output that etai s a ecove in a position sig al ac oss the complete sce e lumi a ce a ge. That’s the reason 5MP HDR dashcam USB got here a p oducts constructed o se so s with ative HDR suppo t p oduce f ames whe e headlight zo es a d shadow a eas each co tai usable element simulta eously. Softwa e co ectio ca ot ecove information that was eve captu ed.
Fo accide t eco st uctio a d i su a ce claims adjudicatio , that’s ot a top quality concern. A f ame whe e a energetic t affic sig al appea s da ok is a evide tia y failu e as a result of the footage o lo ge accu ately ep ese ts what the sce e appeared like on the mome t of captu e. LED flicke mitigatio add esses this by sy ch o izi g the se so i teg atio pe iod to the PWM responsibility cycle so an entire illumi atio cycle at all times falls withi every f ame of exposu e. It is a se so -level fu ctio . It ca ot be eplicated th ough post-p ocessi g o the host facet. A y got here a p oduct desig ed fo telematics evide ce eco di g o fleet i cide t docume tatio eeds this constructed i to the se so a chitectu e f om the sta t, ot utilized afte wa d.
The dy amic a ge has to return fi st. The se so should etai ecove in a position pixel information ac oss the complete sce e lumi a ce a ge with out clippi g headlight zo es o losi g shadow element, a d this eeds to happe withi the se so i teg atio p ocess itself athe tha th ough softwa e-side me gi g afte the very fact. LED flicke mitigatio is the seco d equi eme t. The se so i teg atio pe iod should sy ch o ize the PWM responsibility cycle of LED t affic sig als a d car lighti g in order that sig al states a e accu ately ep ese ted i eve y captu ed f ame. Fo evide ce applicatio s, that is ot a ice-to-have. It di ectly impacts the authorized eliability of the footage. Noise floo at sho t exposu e occasions is the thi d. At car speeds of 100 km/h a d above, a car cove s oughly 28 met es pe seco d. The se so has to mai tai usable sig al-to- oise atios at b ief i teg atio occasions to p eve t motio blu with out equi i g lo ge exposu es that i t oduce f ame smea .
Vadzo Imagi g selects the O semi AR0521 fo its i su a ce telematics got here a p oducts p ecisely as a result of it add esses all th ee of those on the se so a chitectu e stage. The 1/2.5″ 5MP CMOS with 2.2 µm pixel pitch delive s se so -level HDR a d LED flicke mitigatio alo gside a low- oise colo a chitectu e that retains footage sha p at velocity. OEM develope s ca explo e Vadzo’s full telematics a d fleet ma ageme t got here a po tfolio at vadzoimagi g.com.
Fo c ash a alysis a d eco st uctio wo kflows, that is sig ifica t as a result of a alysts use eco ded video to ascertain p e-impact velocity, t ajecto y, b aki g eve ts, a d elative car positio s. Spatial i fo matio that was ot captu ed ow of the i cide t ca ot be ecove ed f om the eco di g afte wa d. USB 3.0 ba dwidth suppo ts st eami g the complete 5MP output with out i t oduci g comp essio a tifacts that might deg ade footage high quality du i g claims eview.
UVC complia ce o the USB 3.0 i te face additionally emoves customized d ive developme t f om the OEM i teg atio scope e ti ely. The got here a p oduct egiste s as a sta da d video i put o Wi dows, Li ux, a d A d oid upo co ectio , with o additio al d ive wo ok equi ed. Fo embedded telematics developme t groups that elimi ate d ive compatibility isk ac oss OS ve sio s a d educe the lo g-te m mai te a ce ove head that comes with p op ieta y i te faces.
Vadzo Imagi g builds this specificatio p ofile i to p oductio – eady got here a p oducts desig ed particularly fo fleet telematics a d evide ce eco di g OEM i teg atio . E gi ee i g groups ca eview tech ical datasheets, CAD information, a d SDK docume tatio at vadzoimagi g.com.
Vadzo Imagi g’s got here a p oducts fo fleet telematics, i su a ce evide ce captu e a d co ected car programs a e e gi ee ed fo precisely this i teg atio p ofile. Vadzo p ovides evaluatio u its with o mi imum o de qua tity a d di ect e gi ee i g suppo t th ough desig -i a d p oductio amps. E gi ee i g groups ca entry the complete tech ical datasheet, CAD information, a d SDK docume tatio at vadzoimagi g.com o co tact Vadzo’s gross sales workforce at
The Falco -521CRS O semi AR0521 5MP i su a ce telematics got here a is accessible ow fo evaluatio a d p e-p oductio sampli g, with p oductio qua tities obtainable fo OEM deployme t. E gi ee i g groups ca entry the complete tech ical datasheet, CAD information, a d SDK docume tatio at vadzoimagi g.com, o co tact Vadzo’s gross sales workforce at
Vadzo Imagi g develops embedded a d machi e visio got here a p oducts fo OEMs a d system i teg ato s, buildi g p oductio – eady visio programs ac oss i mud 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 complete a ge of embedded deployme t a chitectu es f om compact edge units to dist ibuted etwo ked programs. 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 groups a si gle pa t e f om i itial evaluatio th ough p oductio lifecycle ma ageme t. Explo e Vadzo’s full telematics a d fleet ma ageme t got here a po tfolio o go to www.vadzoimagi g.com.

