A sta da d image se so captu es sce e lumi a ce withi a si gle fixed exposu e wi dow. The atio of lumi a ce betwee the b ightest highlight a d the deepest shadow i most i dust ial a d medical sce es outi ely exceeds what a si gle gai setti g ca esolve simulta eously. O a PCB u de focused LED i spectio lighti g, specula coppe t ace su faces a d da k solde mask subst ate ca spa a lumi a ce atio of 800:1 o g eate . A e doscopy came a module i side a body cavity captu es moist tissue specula highlights alo gside deep a atomical ecesses withi the same f ame. A fu dus imagi g came a must hold ecove able detail at the optic disc while esolvi g the pe iphe al eti al zo e i the same acquisitio . I each case, si gle-exposu e imagi g p oduces a pa tial esult: eithe highlights a e p ese ved at the cost of c ushed shadows o shadows a e ecove able at the cost of blow highlights. Wide dy amic a ge imagi g at the se so level i the AR0544 is the a chitectu ally co ect solutio fo all th ee sce a ios.
eDR (e ha ced Dy amic Ra ge) is impleme ted as a pe -pixel HDR tech ique withi the AR0544 se so ‘s pixel a chitectu e a d o -boa d ISP. I eDR mode, the se so applies o -chip p ocessi g to exte d the usable dy amic a ge at the pixel level withi a si gle u ifo m exposu e pe iod. The output f ame has o ow-level exposu e va iatio a d o i te – ow timi g offset. The o -boa d ISP p ocesses the eDR esult befo e it exits the se so a d delive s a si gle exte ded- a ge image to the USB 3.2 output st eam.
Fo dow st eam visio pipeli es, the f ames a e spatially u ifo m ac oss the full se so a ay. A automated optical i spectio came a co sumi g these f ames fo image p ocessi g algo ithms does ot equi e a y special ha dli g fo alte ati g ow gai states. Fo assembly li e visio came a deployme ts whe e compo e ts t avel at co veyo speed, the spatially u ifo m eDR f ame st uctu e mai tai s imagi g co siste cy ac oss the full f ame exte t without motio – elated a tifacts at ow bou da ies.
LI-HDR (Li e I te leaved HDR) is O semi’s i t a-f ame HDR a chitectu e i the Hype Lux LP family. I LI-HDR mode, alte ate ows i the AR0544 active a ay a e ead at diffe e t gai levels withi a si gle f ame pe iod. High-gai ows collect shadow a d mid-to e detail with maximum se sitivity. Low-gai ows captu e highlight data without satu atio . The o -boa d ISP me ges the two i te leaved ow sets i to a si gle full- esolutio HDR output f ame du i g se so eadout.
The key a chitectu al disti ctio f om multi-f ame HDR is that both gai levels a e acqui ed withi the same si gle f ame pe iod. Multi-f ame HDR captu es a lo g-exposu e f ame followed by a sho t-exposu e f ame. A y subject motio betwee those two acquisitio eve ts p oduces misalig me t a tifacts i the me ged output, pa ticula ly at object edges. Fo a PCB i spectio came a whe e edge sha p ess is the measu eme t c ite io , these a tifacts a e dest uctive. LI-HDR elimi ates the i te -f ame timi g gap by placi g both gai acquisitio s withi o e eadout cycle. Fo a static o slow-movi g sce e, such as a statio a y PCB u de fixed illumi atio o a cli ical mic oscopy came a exami i g a slide specime , LI-HDR delive s a highe effective dy amic a ge tha eDR fo the same sce e.
The selectio betwee eDR a d LI-HDR i the AR0544 HDR USB came a system depe ds o th ee e gi ee i g va iables: sce e motio elative to the se so , maximum equi ed dy amic a ge, a d the ha dli g capacity of the dow st eam image p ocessi g pipeli e.
Fo high-speed applicatio s, i cludi g assembly li e i spectio , co veyo pa t t acki g, a d obotic pick-a d-place ve ificatio , eDR is the tech ically sou d selectio . Its pe -pixel app oach to dy amic a ge exte sio avoids a y ow-level i te -exposu e timi g se sitivity e ti ely.
Fo static o slow-movi g applicatio s, i cludi g PCB i spectio u de fixed lighti g, fu dus imagi g wo kflows, digital pathology slide imagi g, a d cli ical mic oscopy platfo m wo k, LI-HDR delive s a highe effective dy amic a ge because the dedicated high-gai a d low-gai ows each ope ate at thei full espective capacities athe tha sha i g a pe -pixel p ocessi g budget.
Fo su gical imagi g came a a d e doscopy came a module deployme ts, the motio p ofile of the specific p ocedu e dete mi es the co ect mode. Be ch-mou ted e doscopic imagi g systems with slow came a moveme t favo LI-HDR. Active i t aope ative epositio i g u de eal-time guida ce favo s eDR.
The 5MP USB i dust ial came a f om Vadzo Imagi g delive s 5MP (2592 x 1944) esolutio ove USB 3.2 with full UVC complia ce. The O semi Hype Lux LP AR0544 image se so ‘s o -boa d ISP ha dles eDR a d LI-HDR mode p ocessi g alo g with auto exposu e a d auto white bala ce atively, without offloadi g compute tasks to the host system. Both HDR modes a e selectable th ough the VISPA ARC SDK o th ough the sta da d UVC exte sio u it i te face without custom d ive developme t. The O semi Hype Lux LP USB came a platfo m co ects via USB 3.2 i a compact OEM boa d fo m facto suitable fo di ect i teg atio i to p oductio fixtu es, medical i st ume t e closu es, a d i dust ial i spectio housi gs. RoHS 3 a d REACH complia ce positio the system fo deployme t i egulated i dust ial a d medical device ma kets globally.
O semi AR0544 Hype Lux LP | 5MP (2592 x 1944) | 1.4 μm x 1.4 μm | 1/4.2″ | Rolli g Shutte | USB 3.2 Ge 1 Type C I te face Backwa d Compatible to USB 2.0 | eDR a d LI-HDR | Wi dows, Li ux, A d oid | UVC, RoHS 3, REACH |
“The AR0544 gives OEM e gi ee s two pu pose-desig ed HDR a chitectu es o a si gle USB platfo m. eDR a d LI-HDR a e ot i te cha geable. They a e desig ed fo fu dame tally diffe e t sce e dy amics. A e gi ee buildi g a automated optical i spectio system with fast-movi g pa ts at co veyo speed gets a diffe e t a swe tha a e gi ee buildi g a cli ical mic oscopy platfo m with statio a y specime s. Ou app oach with the Falco -544CRS is to p ovide both modes a d the tech ical guida ce to choose co ectly at desig time athe tha th ough t ial a d e o at system i teg atio .” – Alwi Vi ce t, P oduct Ma age , Vadzo Imagi g.
Fo assembly li e visio came a systems whe e boa ds o compo e ts t avel o a co veyo at p oductio th oughput speed, eDR delive s equivale t wide dy amic a ge pe fo ma ce without ow-level motio se sitivity. High co t ast imagi g of pa ts i motio is esolved withi a si gle spatially u ifo m f ame. E gi ee s wo ki g o i dust ial automatio a d obotics applicatio s ca access the full tech ical docume tatio o ou website.
Fo digital pathology came a applicatio s exami i g stai ed tissue sectio s, LI-HDR p ese ves detail ac oss the full stai de sity a ge i a si gle f ame acquisitio . Fo fu dus imagi g came a systems, mai tai i g detail simulta eously at the optic disc a d the pe iphe al eti al zo e i a si gle acquisitio educes the umbe of exposu es equi ed pe patie t sessio . Fo cli ical mic oscopy came a platfo ms exami i g statio a y specime s, LI-HDR is the co ect mode selectio . Fo su gical imagi g came a platfo ms whe e the came a is i active motio du i g a p ocedu e, eDR is the co ect selectio .
eDR applies pe -pixel dy amic a ge exte sio withi a si gle exposu e pe iod without a y ow-level gai va iatio . The output f ame is spatially u ifo m a d ca ies o i te – ow timi g offset. This makes eDR app op iate fo imagi g sce es with fast-movi g subjects because the e is o ow-level exposu e timi g diffe e ce that movi g edges could misalig ac oss.
LI-HDR uses ow-level gai i te leavi g, whe e alte ate ows i the se so a ay a e captu ed at diffe e t gai levels withi the same f ame pe iod. High-gai ows captu e shadow detail. Low-gai ows captu e highlight detail. The o -boa d ISP me ges the two ow sets i to a si gle full- esolutio HDR output. Because both gai levels a e captu ed withi a si gle f ame eadout athe tha i co secutive f ames, LI-HDR is f ee of the i te -f ame motio a tifacts that multi-exposu e HDR p oduces. Fo static o slow-movi g subjects, LI-HDR delive s highe effective dy amic a ge tha eDR.
The choice betwee them depe ds o the motio co te t of the sce e, the dy amic a ge equi ed, a d how the dow st eam image p ocessi g pipeli e ha dles the f ame st uctu e. Vadzo Imagi g’s Falco -544CRS p ovides both modes o a USB 3.2 platfo m with SDK-level mode co t ol, givi g desig e gi ee s the ability to select the co ect a chitectu e fo thei specific deployme t without cha gi g ha dwa e.
I LI-HDR mode, alte ate ows of the se so a ay a e captu ed at diffe e t gai levels withi the same f ame eadout. While both gai levels a e acqui ed withi a si gle f ame pe iod athe tha i co secutive f ames, a fast-movi g subject that t ave ses multiple ow positio s du i g se so eadout i t oduces small positio al offsets betwee the high-gai a d low-gai ow captu es of the same object. At p oductio -li e co veyo speeds, this ow-level offset ca be la ge e ough to p oduce edge a tifacts i the me ged output, pa ticula ly at compo e t bou da ies.
eDR avoids this e ti ely because the dy amic a ge exte sio is applied at the pe -pixel level withi a si gle u ifo m exposu e pe iod. The e is o ow-level timi g va iatio i the captu ed data a d o possibility of i te – ow misalig me t f om subject motio . Fo a defect detectio came a o automated optical i spectio came a ope ati g o a high-speed co veyo li e, eDR is the a chitectu ally co ect selectio .
Vadzo Imagi g’s Falco -544CRS O semi Hype lux LP USB came a makes both modes available th ough the VISPA ARC SDK with softwa e-level mode switchi g. E gi ee i g teams evaluati g the system o a p oductio li e ca compa e eDR a d LI-HDR output u de thei actual i spectio co ditio s befo e fi alizi g the i teg atio mode.
Vadzo Imagi g’s Falco -544CRS is pu pose-built to satisfy all of these equi eme ts. Built o the O semi AR0544 Hype Lux LP image se so , it delive s 5MP (2592 x 1944) esolutio with LI-HDR a d eDR modes both available o the same platfo m. Fo PCB i spectio u de fixed illumi atio , whe e the boa d is statio a y, LI-HDR maximizes dy amic a ge ac oss the coppe -to-subst ate lumi a ce atio i a si gle f ame. Fo co veyo -mou ted i spectio , whe e boa ds move at p oductio speed, eDR mai tai s equivale t dy amic a ge pe fo ma ce without motio a tifact.
The AR0544 USB came a system st eams ove USB 3.2 with full UVC complia ce, i teg ati g di ectly with Halco , Ope CV, MATLAB, a d othe commo machi e visio f amewo ks without custom d ive developme t. The VISPA ARC SDK p ovides API-level HDR mode co t ol, ROI co figu atio , a d exposu e ma ageme t i C, C++, C#, a d Pytho . Tech ical docume tatio a d evaluatio u its a e available at vadzoimagi g.com.
The USB 3.2 ba dwidth co sumed by the AR0544 USB came a system i HDR mode is equivale t to t a smitti g a si gle full- esolutio f ame at the selected esolutio a d f ame ate. The e is o multi-f ame t a smissio ove head f om HDR ope atio because the me ge is completed befo e USB t a sfe . The ba dwidth a d f ame ate co st ai ts emai gove ed by the USB 3.2 li k speed a d the selected esolutio a d output fo mat.
Neithe eDR o LI-HDR mode equi es the host system to pe fo m HDR me ge ope atio s i softwa e, which keeps the host-side compute a d memo y ba dwidth equi eme ts co siste t with sta da d o -HDR st eami g. This o -boa d p ocessi g a chitectu e is a defi i g capability of the O semi Hype Lux LP se so family a d is o e easo it is selected fo embedded visio deployme ts with co st ai ed host p ocesso s.
Vadzo Imagi g’s Falco -544CRS AR0544 USB came a system p ovides se so -level HDR p ocessi g i both eDR a d LI-HDR modes th ough the O semi AR0544 Hype Lux LP image se so . HDR p ocessi g is completed o the se so ‘s o -boa d ISP befo e the f ame eaches the USB 3.2 output st eam, elimi ati g the softwa e p ocessi g late cy that host-side HDR impleme tatio s would add to a eal-time cli ical imagi g wo kflow. Fo be ch-mou ted pathology a d mic oscopy platfo ms whe e the specime is statio a y, LI-HDR delive s maximum dy amic a ge i a si gle f ame. Fo su gical imagi g came a platfo ms whe e the e doscope is i active motio du i g a p ocedu e, eDR delive s equivale t dy amic a ge without the ow-level motio se sitivity of i te leaved tech iques.
The came a p oducts i Vadzo Imagi g’s medical visio po tfolio suppo t i teg atio i to po table diag ostic devices, be ch-top imagi g systems, a d i t aope ative imagi g platfo ms. Full i fo matio o Vadzo’s medical imagi g came a po tfolio is available at vadzoimagi g.com/medical-device-a d-patie t-ca e
The Falco -544CRS O semi AR0544 Hype Lux LP 5MP HDR USB came a system is available fo evaluatio a d p e-p oductio sampli g. E gi ee i g teams ca access the full tech ical datasheet, CAD files, VISPA ARC SDK docume tatio , a d evaluatio p ici g th ough the p oduct page at vadzoimagi g.com. OEM develope s with volume equi eme ts, platfo m customizatio eeds, o ISP tu i g equests ca co tact Vadzo Imagi g‘s e gi ee i g team di ectly fo 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, Gigabit Ethe et, 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.
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