Rufin da aka yi birgima hanya ce ta ɗaukar hoto wanda aka ɗauka a tsaye (a cikin kyamara mai motsi) ko kowane firam na bidiyo (a cikin kyamarar bidiyo), ba ta hanyar ɗaukar hoto na dukkan yanayin a lokaci guda ba, sai dai ta hanyar duba yanayin da sauri, ko dai a tsaye ko a kwance. A wata ma'anar, ba dukkan sassan hoton wurin ake yin rikodin su a daidai lokacin guda ba. (Kodayake, yayin kunnawa, ana nuna dukkan hoton wurin a lokaci guda, kamar yana wakiltar lokaci guda a lokaci guda.) Wannan yana haifar da gurɓataccen abu mai sauri ko walƙiya mai sauri na haske. Wannan ya bambanta da "rufin duniya" wanda aka ɗauki dukkan firam ɗin a lokaci guda. "Rufin da aka yi birgima" na iya zama na inji ko na lantarki. Amfanin wannan hanyar shine cewa na'urar firikwensin hoto na iya ci gaba da tattara photons yayin tsarin siye, don haka yana ƙara yawan jin daɗi. Ana samunsa akan kyamarorin dijital da bidiyo da yawa ta amfani da na'urori masu auna sigina na CMOS. Tasirin yana da matuƙar bayyane lokacin ɗaukar yanayin motsi ko walƙiya mai sauri na haske..
Mai rufewa na Duniya
Yanayin rufewa na duniyaa cikin firikwensin hoto yana bawa dukkan pixels na firikwensin damar fara fallasawa da kuma daina fallasawa a lokaci guda don lokacin fallasa da aka tsara yayin kowane ɗaukar hoto. Bayan ƙarshen lokacin fallasawa, karanta bayanan pixel yana farawa kuma yana ci gaba da layi-layi har sai an karanta duk bayanan pixel. Wannan yana samar da hotuna marasa gurbatawa ba tare da girgiza ko karkacewa ba. Ana amfani da firikwensin rufewa na duniya gabaɗaya don kama abubuwa masu motsi masu sauri.It za a iya kwatanta shi da na'urorin rufe gilashin ido na gargajiya a cikin kyamarorin fim na analog. Kamar na'urorin iris da ke cikin idanun ɗan adam, suna kama da budewar ruwan tabarau kuma wataƙila su ne abin da kuke tunani a kai lokacin da kuke tunanin rufewa..
Za a buɗe murfin da sauri kamar walƙiya idan aka sake shi kuma a rufe nan da nan a ƙarshen lokacin fallasa. Tsakanin buɗewa da rufewa, ɓangaren fim ɗin da za a ɗauka hoton zai bayyana gaba ɗaya a lokaci guda (bayyana a duniya).
Kamar yadda aka nuna a cikin hoto mai zuwa: a cikin yanayin rufewa na duniya, kowane pixel a cikin firikwensin yana farawa kuma yana ƙare fallasa a lokaci guda, don haka ana buƙatar babban adadin ƙwaƙwalwa, ana iya adana hoton gaba ɗaya a cikin ƙwaƙwalwar ajiya bayan an ƙare fallasa kuma ana iya karanta shi a hankali. Tsarin kera firikwensin yana da rikitarwa kuma farashin yana da tsada sosai, amma fa'idar ita ce yana iya kama abubuwa masu sauri ba tare da murɗewa ba, kuma aikace-aikacen ya fi faɗi.
Ana amfani da kyamarorin rufewa na duniya a aikace-aikace kamar bin diddigin ƙwallo, sarrafa kansa na masana'antu, robot ɗin ajiya, jiragen sama marasa matuƙa, sa ido kan zirga-zirga, gane alamun motsi, AR&VRda sauransu.
Rufe Mai Juyawa
Yanayin rufewa mai birgimaA cikin kyamara yana fallasa layukan pixel ɗaya bayan ɗaya, tare da daidaitawa na ɗan lokaci daga layi ɗaya zuwa na gaba. Da farko, layin saman hoton ya fara tattara hasken ya kuma gama shi. Sannan layi na gaba ya fara tattara haske. Wannan yana haifar da jinkiri a lokacin ƙarewa da lokacin farawa na tattara haske don layuka a jere. Jimlar lokacin tattara haske ga kowane layi iri ɗaya ne. A cikin yanayin rufewa mai birgima, layuka daban-daban na jerin suna fallasa a lokuta daban-daban yayin da 'wave' na karantawa ke ratsa firikwensin, kamar yadda aka nuna a cikin hoto mai zuwa: layin farko yana fallasa farko, kuma bayan lokacin karantawa, layi na biyu yana fara fallasa, da sauransu. Don haka, kowane layi yana karantawa sannan ana iya karanta layi na gaba. Firikwensin rufewa mai birgima kowane sashin pixel yana buƙatar transistor guda biyu kawai don jigilar electron, don haka ƙarancin samar da zafi, ƙarancin hayaniya. Idan aka kwatanta da firikwensin rufewa na duniya, tsarin firikwensin rufewa mai birgima ya fi sauƙi kuma mai rahusa, amma saboda kowane layi ba a fallasa shi a lokaci guda ba, don haka zai haifar da karkacewa lokacin kama abubuwan da ke motsawa masu sauri.
Kyamarar rufewa mai birgimaAna amfani da shi galibi don kama abubuwa masu motsi a hankali kamar taraktocin noma, na'urorin jigilar kaya masu saurin gudu, da aikace-aikacen da ba na kansu ba kamar kiosks, na'urorin duba barcode, da sauransu.
YAYA AKE GUJEWA?
Idan saurin motsi bai yi yawa ba, kuma hasken ya bambanta a hankali, matsalar da aka tattauna a sama ba ta da tasiri sosai ga hoton. Yawanci, amfani da na'urar firikwensin rufewa ta duniya maimakon na'urar firikwensin rufewa ta birgima ita ce hanya mafi mahimmanci da tasiri a aikace-aikacen sauri. Duk da haka, a wasu aikace-aikacen masu saurin farashi ko masu saurin hayaniya, ko kuma idan mai amfani ya yi amfani da na'urar firikwensin rufewa ta birgima saboda wani dalili, za su iya amfani da walƙiya don rage tasirin. Akwai fannoni da dama da ya kamata a sani lokacin amfani da fasalin walƙiyar daidaitawa tare da na'urar firikwensin rufewa ta birgima:● Ba a cikin duk lokacin fallasa da ke da fitowar siginar strobe ba, lokacin da lokacin fallasa ya yi gajere kuma lokacin karantawa ya yi tsayi sosai, duk layukan ba su da fallasa a jere, babu fitowar siginar strobe, kuma strobe ɗin ba ya walƙiya● Lokacin da lokacin walƙiyar strobe ya fi guntu fiye da lokacin fallasa● Lokacin da lokacin fitowar siginar strobe ya yi gajere sosai (matakin μs), aikin wasu strobe ba zai iya biyan buƙatar canjin sauri ba, don haka strobe ba zai iya kama siginar strobe ba
Lokacin Saƙo: Nuwamba-20-2022
