A se so ‘s low-light se sitivity umbe o a datasheet desc ibes how ma y photo s each the silico , ot what the fi al image looks like afte p ocessi g. Betwee aw se so output a d a usable secu ity f ame sits a image sig al p ocessi g pipeli e, a d ma y came a modules ship with that pipeli e left at the se so ma ufactu e ‘s ge e ic efe e ce tu i g athe tha calib ated fo the specific dema ds of su veilla ce footage. This gap shows up i p edictable, damagi g ways. Agg essive tempo al oise eductio , tu ed to make a demo sce e look clea , smea s the motio of a walki g pe so o a movi g vehicle ac oss seve al f ames, dest oyi g exactly the detail a secu ity eview depe ds o . I sufficie t oise eductio leaves ighttime footage so g ai y that a face o a lice se plate is tech ically p ese t i the f ame but p actically u eadable. Auto exposu e algo ithms tu ed fo eve , well-lit test e vi o me ts eact badly whe a ca ‘s headlights, a flashlight, o a sudde po ch light sweep ac oss the f ame, eithe bloomi g the light sou ce to a featu eless white blob o c ushi g the est of the sce e to black while the exposu e co t ol catches up. Ge e ic sha pe i g setti gs i t oduce i gi g a tifacts a ou d high-co t ast edges, a tifacts that ca complicate fo e sic eview by mimicki g comp essio damage. Colo ep oductio d ifts u de the mixed lighti g sou ces commo i eal su veilla ce e vi o me ts- sodium vapo st eetlights, LED fixtu es, a d i ca desce t bulbs withi the same field of view- which matte s di ectly whe a wit ess desc iptio depe ds o accu ately ide tifyi g the colo of a vehicle o a jacket. A OEM buildi g a secu ity p oduct a ou d a se so with excelle t aw specificatio s ca still ship a came a that pe fo ms poo ly i the field if the p ocessi g pipeli e sitti g betwee that se so a d the fi al f ame was eve tu ed fo what su veilla ce footage actually dema ds. A came a ma keted as a High Pe fo ma ce ISP USB Module i ame o ly, without a validated tu i g pass behi d that label, leaves the OEM to discove these gaps afte deployme t athe tha befo e it. Secu ity i teg ato s evaluati g a ew came a agai st a competi g p oduct ofte ca ot detect this gap f om a datasheet compa iso alo e, si ce both came a p oducts may list the same se so pa t umbe a d esolutio while p oduci g mea i gfully diffe e t footage o ce i stalled at a actual e t y poi t o pa ki g a ea. The gap o ly becomes visible i the field, typically du i g the exact i cide t the came a was i stalled to captu e, which is the wo st possible mome t to discove that a p ocessi g pipeli e was eve tu ed fo the co ditio s it ow faces.
The Me li -290CRS add esses this gap by t eati g image sig al p ocesso tu i g as a fi st-class e gi ee i g delive able athe tha a afte thought laye ed o top of the So y IMX290 se so ‘s efe e ce desig . The So y STARVIS IMX290 is a 1/2.8-i ch se so with a 2.9-mic o pixel pitch a d ative 2MP (1920 x 1080) esolutio , delive i g st o g low-light se sitivity at the pixel level. Vadzo’s tu i g wo k sta ts f om that se so output a d calib ates the oise eductio algo ithm specifically to bala ce two competi g failu e modes: e ough tempo al filte i g to supp ess the ead oise that appea s at the highe gai levels low-light sce es equi e, without e ough filte i g to i t oduce visible motio t ails behi d movi g subjects. This makes the came a a High Pe fo ma ce Image P ocesso Came a that holds a pe so o vehicle’s edges sha p while still supp essi g the g ai a aw high-gai f ame would show. Auto exposu e a d auto gai co t ol a e tu ed with a espo se cu ve suited to su veilla ce sce es specifically, so a sudde b ight light e te i g the f ame comp esses towa d a usable exposu e athe tha bloomi g to solid white, a d the est of the sce e etai s shadow detail i stead of d oppi g to black while the algo ithm catches up. A ISP Tu ed Low-Light Came a built this way holds detail th ough the exact lighti g t a sitio s, a ca ‘s headlights sweepi g past, a motio activated floodlight t igge i g, that defeat a ge e ically tu ed pipeli e. Sha pe i g a d edge e ha ceme t a e calib ated co se vatively e ough to imp ove pe ceived detail without i t oduci g the i gi g a tifacts that a maximized sha pe i g setti g p oduces, si ce i gi g a tifacts a ou d high-co t ast edges ca complicate fo e sic image eview by esembli g comp essio damage. Colo co ectio mat ix tu i g ta gets accu ate ep oductio u de the mixed a tificial lighti g sou ces, sodium vapo , LED, a d i ca desce t, that a si gle su veilla ce sce e commo ly co tai s, si ce accu ate colo ep oductio of a subject’s clothi g o a vehicle di ectly suppo ts ide tificatio tasks that a colo -shifted image would u de mi e. The came a co ects ove a ative USB 2.0 UVC i te face, e ume ati g as a sta da d video device o Wi dows, Li ux, a d A d oid without a p op ieta y d ive , a d the came a is ated ac oss a -30 deg ee C to 70 deg ee C ope ati g a ge suited to i doo a d cove ed outdoo su veilla ce i stallatio s. Vadzo validates each of these tu i g pa amete s agai st eco ded footage f om ep ese tative su veilla ce sce es athe tha a sy thetic test cha t alo e, si ce a test cha t ca ot ep oduce the motio , mixed lighti g, a d sudde exposu e cha ges that a eal i stallatio p ese ts, a d a tu i g pass that o ly satisfies a lab cha t ca still leave the gaps i field pe fo ma ce that the u de lyi g e gi ee i g p oblem desc ibes.
The Me li -290CRS is a IMX290 High-Pe fo ma ce ISP Came a built o the So y IMX290 se so a d pai ed with a image sig al p ocessi g pipeli e tu ed specifically fo secu ity a d su veilla ce wo kloads. As a So y IMX290 low-light Se so , it is pu pose-built fo OEMs who eed low-light image quality that su vives eal su veilla ce co ditio s athe tha o ly a co t olled demo e vi o me t. The 2MP Low-light USB Came a desig atio eflects Vadzo’s decisio to tu e the IMX290’s p ocessi g pipeli e specifically fo secu ity use cases, co fi mi g oise eductio , exposu e espo se, a d colo accu acy befo e the module eaches OEM custome s. The came a module houses the IMX290 se so , the tu ed image sig al p ocesso , a d a USB 2.0 UVC co t olle i a compact fo m facto with a sta da d S-Mou t (M12) le s holde that accepts i te cha geable optics fo va yi g fields of view. The came a e ume ates as a sta da d UVC device o Wi dows, Li ux, a d A d oid, equi i g o p op ieta y d ive s fo evaluatio o p oductio i teg atio .
Key specs: 2MP (1920 x 1080) | So y IMX290 1/2.8 i ch 2.9-mic o pixel | Colo | Rolli g Shutte | Low Light Se sitivity | High-Pe fo ma ce ISP | USB 2.0 UVC | S-Mou t (M12) | -30°C to 70°C
“Secu ity i teg ato s keep telli g us the same thi g: two came a p oducts with the same se so datasheet ca p oduce completely diffe e t footage o ce they’ e actually deployed. That gap almost always comes dow to how the image sig al p ocesso was tu ed, ot the se so u de eath it. The Me li -290CRS was built a ou d that i sight. I stead of shippi g the So y IMX290 with a ge e ic efe e ce tu i g, we calib ated the oise eductio , exposu e espo se, sha pe i g, a d colo co ectio specifically fo the lighti g t a sitio s a d motio co ditio s eal su veilla ce footage p ese ts. That gives i teg ato s a came a whose pe fo ma ce o thei loadi g dock o pa ki g lot actually matches what the demo looked like i ou lab.” – Alwi Vi ce t, P oduct Ma age , Vadzo Imagi g.
The Me li -290CRS IMX290 High-Pe fo ma ce ISP Came a built o the So y IMX290 se so is available ow fo evaluatio a d p oductio o de s. Evaluatio kits i clude the came a module, S-Mou t le s, USB 2.0 cable, a d platfo m d ive docume tatio , with o mi imum o de equi eme t. I teg ato s ca test the tu ed image sig al p ocessi g pipeli e di ectly agai st thei ow i stallatio ‘s lighti g co ditio s befo e committi g to a p oductio o de , which matte s mo e fo this came a tha a datasheet compa iso alo e could co fi m. B owse the full USB 2.0 UVC Came a po tfolio at Vadzo’s website o co tact Vadzo at
Vadzo Imagi g is a global p ovide of embedded visio solutio s a d delive s high-pe fo ma ce came a tech ologies a d imagi g platfo ms fo applicatio s i obotics, i dust ial automatio , UAVs, edge AI, a d medical systems. Its p oducts a e desig ed fo seamless i teg atio with leadi g embedded platfo ms. Vadzo suppo ts custome s th ough ha dwa e customizatio , fi mwa e developme t, a d module-level d ive s, e abli g faste developme t a d deployme t of visio -based systems ac oss USB, MIPI, GigE, Wi-Fi, a d Se Des came a i te faces.