Optical Image Stabilization (OIS) ndi ukadaulo womwe wasintha dziko lonse la kujambula ndi kuyang'anira CCTV.

Kuyambira 2021, kukhazikika kwa chithunzi cha kuwala kwawonekera pang'onopang'ono pakuwunika chitetezo, ndipo kumakhala ndi chizolowezi cholowa m'malo mwa lens yachikhalidwe yopanda mawonekedwe. ndi makamera a CCTV. Koma OIS imagwira ntchito bwanji? M'nkhaniyi, tiwona ukadaulo wa OIS wokhala ndi lens-based system.

OIS ndi dongosolo lomwe limalipiritsa kugwedezeka kwa kamera posuntha ma lens mbali ina yakuyenda. Imagwira ntchito pogwiritsa ntchito gyroscope ndi accelerometer kuti izindikire kusuntha kwa kamera. Zidziwitso zochokera ku masensawa zimatumizidwa kwa microcontroller, yomwe imawerengera kuchuluka ndi momwe ma lens amayendera kuti athe kuthana ndi kugwedezeka kwa kamera.

Lens-based system of OIS imagwiritsa ntchito gulu la zinthu zomwe zili mu lens zomwe zimatha kuyenda mosadalira thupi la kamera.

Zinthu za lens zimayikidwa pamagetsi ang'onoang'ono omwe amatha kusintha malo awo potsatira kayendetsedwe kamene kamapezeka ndi masensa. Ma motors amayendetsedwa ndi microcontroller, yomwe imasintha malo awo kuti athe kuthana ndi kugwedezeka kwa kamera.

Mu kamera, OIS nthawi zambiri imayikidwa mu mandala omwewo, chifukwa ndi njira yabwino kwambiri yolipirira kugwedezeka kwa kamera. Komabe, mu kamera ya CCTV, OIS ikhoza kukhazikitsidwa mu thupi la kamera kapena mu lens, kutengera kapangidwe ndi kagwiritsidwe.

Dongosolo la lens-based system la OIS lili ndi maubwino angapo kuposa mitundu ina yamakina okhazikika. Ndiwothandiza kwambiri polipira kugwedezeka kwa kamera, chifukwa imatha kukonza mayendedwe ozungulira komanso omasulira. Zimathandizanso kuwongolera mwachangu komanso molondola, popeza ma lens amatha kuyenda mwachangu komanso molondola poyankha kusuntha komwe kumadziwika ndi masensa.

Pomaliza, OIS ndiukadaulo womwe wasintha kwambiri zithunzi zojambulidwa ndi makamera ndi makamera a CCTV. Makina a lens-ochokera ku OIS ndi njira yabwino komanso yothandiza yolipirira kugwedezeka kwa kamera, kulola zithunzi zakuthwa komanso zomveka ngakhale mumikhalidwe yosagwedezeka. Pakuchulukirachulukira kwazithunzithunzi zapamwamba m'magawo osiyanasiyana, OIS ikuyembekezeka kukhala yofunika kwambiri mtsogolo.