Ag icultu al imagi g spa s a wide illumi a ce a ge tha almost a y othe embedded visio domai . A ow c op ca opy u de di ect summe su ca exceed 100,000 lux at the leaf su face while the shaded soil be eath it holds a small f actio of that. Field wo k sta ts befo e su ise a d u s past su set, a d livestock housi g sits fa below the desig poi t of a ge e al pu pose webcam se so . A small pixel f o t-illumi ated device loses usable sig al i each co ditio , a d the loss appea s as gai -amplified oise.
The co seque ce at the algo ithm laye is di ect. Vegetatio i dex calculatio , lesio segme tatio , weed classificatio , a d f uit cou ti g depe d o stable colo espo se a d a p edictable oise floo . Whe a se so u s at high a alog gai , ch oma oise ises faste tha lumi a ce oise a d the sepa atio betwee healthy tissue a d ea ly-stage chlo osis collapses fi st. Suppleme tal illumi atio is seldom p actical because powe budgets at sola -powe ed odes a e al eady committed. Field hosts a e low-cost si gle-boa d compute s with o MIPI CSI-2 heade exposed a d o spa e cycles fo d ive mai te a ce, which makes a class complia t USB li k the co ect i te face decisio .
So y STARVIS is a back-illumi ated pixel tech ology fo CMOS image se so s used i su veilla ce-class p oducts, cha acte ized by high se sitivity ac oss the visible a d ea i f a ed egio s. The photodiode sits o the light- eceivi g side of the die, a d the metal i te co ect u s be eath it athe tha above it. That placeme t aises qua tum efficie cy at the same pixel pitch, which is why a
So y STARVIS 2 exte ds that a chitectu e. It aises satu atio sig al level a d wide s dy amic a ge withi compa able pixel geomet y, which suppo ts HDR captu e at the se so level athe tha multi-f ame me gi g i host softwa e. Multi-f ame HDR combi es exposu es take at diffe e t i sta ts, a d a y elative motio ac oss that i te val p oduces ghosti g at high co t ast bou da ies, which is exactly what a t acto mou ted module c ossi g a shadow li e e cou te s.
Resolutio is the efo e a t ade-off athe tha a specificatio ace. At a compa able optical fo mat, a 2MP se so allocates a la ge photodiode a ea pe pixel a d eaches a usable image at lowe illumi a ce, while a 8MP device esolves fi e detail o ce light is adequate. A calvi g pe befo e daw a d a o cha d ca opy i spected fo lesio ma gi s impose opposite equi eme ts, so the
The Me li se ies follows o e p emise. The se so is selected fo the light the applicatio actually has.
The Me li -290CRS is a
The Me li -291CRS is a
The Me li -415CRS is a
The Me li Plus-662CRS is a
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So y IMX290 |
So y IMX291 |
So y IMX415 |
So y IMX662 |
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So y STARVIS |
So y STARVIS |
So y STARVIS |
So y STARVIS 2 |
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2MP (1920 x 1080) |
2MP (1920 x 1080) |
8MP 4K |
2MP (1920 x 1080) |
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Rolli g |
Rolli g |
Rolli g |
Rolli g |
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No |
No |
No |
Se so level |
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No |
No |
No |
Yes |
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USB 2.0, UVC |
USB 2.0, UVC |
USB, UVC |
USB 2.0, UVC |
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Wi dows, Li ux, A d oid |
Wi dows, Li ux, A d oid |
Wi dows, Li ux, A d oid |
Wi dows, Li ux, A d oid |
“Ag icultu al visio is o e of the few domai s whe e imagi g co ditio s shift by o de s of mag itude i side a si gle wo ki g day a d the came a is still expected to hold colo espo se steady. That is why we built this pa t of the po tfolio a ou d back-illumi ated So y se so s athe tha a headli e esolutio umbe . A IMX290 o IMX291 module holds depe dable 1080p colo whe e most USB modules a e al eady u i g o gai . The IMX415 a swe s the opposite p oblem whe the wo k eeds pla t-level detail. The IMX662 adds se so -level HDR a d o boa d sto age fo odes past the edge of usable co ectivity.” – Alwi Vi ce t, P oduct Ma age , Vadzo Imagi g.
The Me li -290CRS, Me li -291CRS, Me li -415CRS a d Me li Plus-662CRS a e available fo evaluatio a d volume o de i g th ough the
Vadzo Imagi g develops embedded visio came a p oducts fo OEMs a d system i teg ato s buildi g p oductio – eady visio systems. The compa y offe s imagi g platfo ms ac oss USB, MIPI, GigE, Wi-Fi a d Se Des i te faces suppo ti g i dust ial automatio , obotics, healthca e, ag icultu e a d embedded systems, with e d-to-e d suppo t i cludi g se so i teg atio , ISP tu i g, fi mwa e developme t a d softwa e f amewo ks. Applicatio cove age also spa s
Alwi Vi ce tVadzo Imagi gE-mail: