Ae ial platfo ms e cou te lighti g ext emes that a g ou d-based came a a ely has to ha dle withi a si gle flight, let alo e a si gle shot. A d o e climbi g out of a ha ga shadow i to ope sky, ba ki g to put the su di ectly i f ame, o desce di g ove da k te ai afte a b ight ho izo shot all p ese t the same u de lyi g p oblem: exposu e that was co ect a few seco ds ea lie is ow w o g, a d the e is o ope ato sta di g ext to the came a to adjust it ma ually.
A High Pe fo ma ce ISP Came a app oaches this diffe e tly tha a came a that simply ha ds aw se so data to a g ou d statio o flight co t olle fo co ectio . P ocessi g exposu e, colo , a d oise eductio o the came a itself mea s the video leavi g the ai c aft is al eady usable, athe tha equi i g a dow st eam system to guess at co ectio s f om a comp essed o ba dwidth-limited feed. That disti ctio matte s di ectly fo eal-time applicatio s like sea ch a d escue o live i spectio , whe e a delayed o poo ly co ected feed defeats the pu pose of flyi g the missio i the fi st place.
Getti g that p ocessed video back to the g ou d o to o boa d eco di g ha dwa e i t oduces a seco d challe ge. A came a mou ted o a gimbal o a dista t pa t of the ai f ame eeds a cable that tole ates vib atio a d the elect ical oise f om moto s a d t a smitte s ea by, which is exactly whe e a Coax Came a fo D o es ea s its place ove a sta da d USB o wi eless video li k. Solvi g the exposu e p oblem without also solvi g the co ectivity p oblem o ly gets a ma ufactu e halfway to a usable ae ial imagi g system, si ce a pe fectly co ected f ame is of little use if the cable ca yi g it fails pa tway th ough a flight.
O semi built the AR0821 as a 8-megapixel se so capable of full- esolutio still captu e a d 4K video output, a d Vadzo Imagi g pai s that se so with a dedicated image sig al p ocesso tu ed specifically fo the exposu e a d colo challe ges ae ial platfo ms p ese t. As a O semi AR0821 FPD-Li k Came a, the module p ocesses exposu e a d colo co ectio o the came a itself athe tha passi g that wo k dow st eam, which matte s di ectly whe the video feed is also bei g used fo live avigatio o i spectio decisio s.
Auto exposu e is the ISP capability that matte s most du i g a actual flight. As a AR0821 ISP Came a, the A mo -821CRS-FPD3 co ti uously adjusts exposu e as lighti g co ditio s cha ge th ough a flight path, athe tha equi i g a pilot o came a ope ato to ma ually co ect setti gs eve y time the ai c aft’s o ie tatio o altitude shifts the available light. A Sma t Exposu e Co t ol Came a co figu atio like this o e keeps a ho izo shot, a buildi g facade, a d a shadowed ooftop all easo ably exposed ac oss the same sho t flight, which a fixed exposu e setti g could eve ma age co siste tly.
HDR p ocessi g wo ks alo gside auto exposu e athe tha eplaci g it. As a AR0821 HDR FPD-Li k III Came a, the se so exte ds dy amic a ge withi a si gle f ame, holdi g detail i both a b ight sky a d a shadowed buildi g face at the same time. A 4K HDR FPD-Li k Came a co figu atio combi es that dy amic a ge ha dli g with the ISP’s auto exposu e a d colo co ectio , so the video a ae ial platfo m eco ds o t a smits live has al eady esolved both the f ame-level lighti g ext emes a d the flight-level lighti g cha ges befo e it eve eaches a g ou d statio .
Delive i g that p ocessed, HDR video back to the ai c aft’s eco di g o t a smissio ha dwa e is the fi al piece of the desig . As a AR0821 Coax Came a, the A mo -821CRS-FPD3 uses FPD-Li k III to ca y that video, alo g with co t ol sig als a d powe , ove a si gle coaxial cable that tole ates the vib atio a d elect ical oise typical of a UAV’s moto s, t a smitte s, a d gimbal mecha ics. A AR0821 Powe ove Coax Se so co figu atio emoves the eed fo a sepa ate powe cable u i g alo gside the video cable, which matte s di ectly o a weight- a d space-co st ai ed ai f ame whe e eve y additio al cable adds mass a d a pote tial failu e poi t.
The A mo -821CRS-FPD3 pai s the AR0821 FPD-Li k III Came a se so with a high-pe fo ma ce ISP, auto exposu e co t ol, a d FPD-Li k III co ectivity i a compact desig suited to d o e, UAV, a d gimbal i teg atio . As a 8MP FPD-Li k III Came a, it outputs full 8-megapixel still esolutio o 4K video, givi g ae ial imagi g i teg ato s a si gle came a platfo m that cove s mappi g, i spectio , a d ge e al-pu pose ae ial video f om o e module.
At the co e of the module sits the 8MP HDR FPD-Li k Came a se so , chose specifically fo the combi atio of esolutio , dy amic a ge, a d exposu e co t ol that ae ial platfo ms equi e. Because the came a combi es 4K Auto Exposu e FPD-Li k Came a p ocessi g with 4K FPD-Li k HDR Se so dy amic a ge ha dli g, the A mo -821CRS-FPD3 eaches usable image quality ac oss a full flight p ofile, f om a b ight ope sky shot to a shadowed close i spectio pass, all delive ed ove the same si gle coaxial co ectio back to the ai c aft’s eco di g o t a smissio system.
“D o e ope ato s do ot get to pause a flight a d wait fo bette light. The AR0821’s auto exposu e a d HDR p ocessi g combi ed with a dedicated ISP gives the A mo -821CRS-FPD3 usable, accu ately exposed video th oughout a e ti e flight p ofile, f om a b ight ope sky shot to a shadowed i spectio pass, delive ed ove a si gle coax cable that su vives life o a gimbal. We built this came a fo platfo ms whe e the footage has to be usable the mome t it la ds, ot afte a g ou d statio fi ishes co ecti g it.” – Alwi Vi ce t, P oduct Ma age at Vadzo Imagi g.
The A mo -821CRS-FPD3 8MP FPD-Li k III Came a is available ow fo evaluatio a d OEM i teg atio . Evaluatio kits i clude the came a module, a FPD-Li k III dese ialize efe e ce boa d, mou ti g ha dwa e suited to commo gimbal co figu atio s, a d i teg atio docume tatio cove i g ISP co figu atio , auto exposu e tu i g, a d HDR setup, with o mi imum o de equi eme t. Co tact Vadzo Imagi g at [email p otected] to equest a evaluatio u it o discuss volume p oductio a d OEM customizatio .
Vadzo Imagi g develops embedded a d machi e visio came a p oducts fo OEMs, system i teg ato s, a d UAV ma ufactu e s buildi g p oductio – eady visio systems ac oss ae ial imagi g, obotics, i dust ial automatio , a d edge AI. The compa y’s po tfolio spa s MIPI CSI-2, USB, GigE, Wi-Fi, FPD-Li k III, a d Se Des i te face came a p oducts, suppo ti g deployme t a chitectu es f om compact o boa d modules to dist ibuted etwo ked a d coax-co ected i stallatio s. 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 to accele ate system deployme t. Visit Vadzo Imagi g to explo e the full embedded visio came a po tfolio.