Menene GRR Shutter? menene matsalolin da mafita na yau da kullun?

a aikace-aikace kamar su retinal scanning, ana amfani da kyamarorin rufewa don kama hotuna tare da jinkirin ɗaukar hoto don kara yawan kusanci da idon mutum. a wannan yanayin, kyamarar tana buƙatar nuna kanta ga ido ko retina gaba ɗaya a cikin maƙalli guda don kauce wa kayan aikin rufewa. don haka, ta yaya za
da kuma
Wannan shine abin da muke buƙatar sani a cikin wannan post. wasu kyamarorin rufewa suna sanye da fasalin sake saita duniya (GRR) wanda ke warware wannan matsalar da kyau. bari mu duba ƙasa.

nau'ikan madauri na yau da kullun

a baya, mun duba biyu na kowa kamara shutter iri: duniya shutter da kuma mirgina shutter.forƘarin bayani game da bambanci, ka duba wannan talifin.
da kuma
menene maɓallin rufewa na duniya?Fasahar rufewa ta duniya tana ba da damar fallasa duk pixels akan firikwensin kyamara a lokaci guda, kuma yana da tasiri musamman don ɗaukar abubuwa masu saurin motsi ko harbi yayin da kyamara ke motsawa, saboda yana rage ɓarna motsi da lalata hoto. duk da haka, yawanci yana da
da kuma
menene abin rufe fuska?Fasahar rufe fuska, a gefe guda, tana fallasa pixels daya bayan daya, wanda kuma zai iya haifar da abin da aka sani da rolling shutter effect, wanda zai iya haifar da gurbataccen hoto yayin ɗaukar abubuwa masu saurin motsi. duk da haka, ana fifita kyamarorin rufe fuska a
da kuma
don haka don magance matsalolin da ke tattare da buɗewar duniya da kuma rufewa, yayin da ake riƙe da fa'idodin duka biyun, an ƙirƙiri Global Reset Release Shutter (GRR).

da kuma
Mene ne yanayin GRR?

menene sake saiti na duniya?mai sakin sakin sake saiti na duniya (grr) wani nau'i ne na duniya da kuma masu jujjuyawar jujjuyawar da ke haɗuwa da fasalulluka na duka duniya da masu jujjuyawar jujjuyawar kuma an tsara shi don ragewa ko kawar da tasirin jujjuyawar yayin da ake kiyaye
da kuma
wannan tsari na aiki na musamman ya sa grr shutter ya dace musamman don yanayin aikace-aikacen inda ake buƙatar kama abubuwa masu sauri yayin da ake kula da farashi. Misalai sun haɗa da binciken gani na masana'antu, kewayawar mutum-mutumi, da aikace-aikacen ɗaukar hoto mai sauri. grr shutter yana ba da hotuna masu kaifi

da kuma
Yaya yanayin GRR ke aiki?

Tsarin aiki na yanayin sake saitawa na duniya (grr) ya ƙunshi manyan matakai uku: matakin sake saiti, matakin haɗawa da matakin karantawa.
da kuma
a lokacin sake saiti, duk layukan pixels a cikin yanayin grr an sake saita su a lokaci guda, tabbatar da daidaitattun ɗaukar hoto. wannan yana rage ɓarna motsi da lalata hoto lokacin kama abubuwa masu saurin motsi.

da kuma
a cikin matakin haɗawa, duk layukan pixel sun fara fallasa lokaci guda, suna kama haske a cikin yanayin. a wannan matakin, yanayin grr yayi kama da rufewar duniya, yana ba kyamara damar ɗaukar yanayin motsawa ba tare da tasirin tasirin jujjuyawar ba. Lokacin karantawa, duk da haka, ya koma halayen jujjuyawar jujjuya
da kuma
don sarrafa yanayin grr yadda yakamata, ana iya samar da haske mai daidaituwa yayin aikin haɗawa ta hanyar amfani da walƙiya ko tushen haske na waje, don haka tabbatar da cewa duk layukan pixel suna fallasa lokaci guda. ana iya cimma wannan sarrafawa ta hanyar gpio pins ko sadarwa ta i2c, kunna jerin grr da daidaita haske. misali kyƘungiyar kyamarar sinoseensamar da musamman GRR yanayin goyon baya.

da kuma
matsalolin da za a iya fuskanta ta amfani da yanayin grr da mafita

kodayake yanayin sake saita sakin duniya (grr) yana ba da fa'idodi masu mahimmanci dangane da rage tasirin bugun bugun, akwai wasu rashin amfani, musamman dangane da daidaiton hasken hoto da sarrafa fallasawa. don shawo kan waɗannan matsalolin, ana iya amfani da dabaru da dabarun masu zuwada kuma

amfani da wani waje inji shutter

tun da layukan pixels a cikin yanayin grr ana karanta su tare da lokutan ɗaukar hoto daban-daban, wannan yana haifar da haske mara daidaituwa na hoton, musamman tsakanin saman da ƙasan hoton. don magance wannan matsalar, ana iya amfani da maƙerin inji na waje, wanda ke rufewa a ƙarshen ƙarshen haɗakarwa, yana hana ƙarin fallasa firikw

da kuma
Ƙarƙashin haske na yanayi

ta hanyar amfani da flash yayin fallasawa da kuma tabbatar da cewa an kashe shi nan da nan bayan fallasawa ya kammala, yana yiwuwa a kwaikwayi tasirin rufewa na duniya da rage haske mai haske saboda bambance-bambance a cikin lokutan fallasawa tsakanin layuka. wannan hanya tana buƙatar sarrafawa daidai na walƙiya a kan kuma kashe don daidaita lokacin
da kuma
Bugu da kari, daidaiton fallasawa za a iya kara inganta shi ta hanyar amfani da fasahar walƙiya mai saurin walƙiya. wannan fasahar tana ba da damar walƙiya ta walƙiya don daidaitawa tare da lokacin fallasa kyamarar, tabbatar da cewa duk layukan pixels suna fallasawa na tsawon lokaci guda, don haka rage bamb

da kuma
gyaran software

Ba daidai ba haske saboda yanayin grr kuma za a iya biya diyya har zuwa wani mataki ta hanyar daidaita software. ta hanyar nazarin bayanan hoto, za a iya gano bambancin haske da kuma gyara don inganta ingancin hoto.

da kuma
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farko, la'akari da motsi halaye na aikace-aikace. idan ka aikace-aikace ya shafi high-gudun motsi abubuwa ko kyamarori, a duniya rufe iya zama mafi kyau zabi domin shi fallasa duk pixels lokaci guda, yadda ya kamata guje wadaban-daban tsakanin motsi blur da image karkatarwa. idan aikace-aikacenku yana da tsada kuma motsi ba damuwa ba ne, mai juyawa zai iya zama zaɓi mai tsada.
da kuma
don aikace-aikacen da ake buƙatar daidaita farashi da ingancin hoto, grr shutter yana ba da sulhu. grr shutter yana kwaikwayon halayyar rufewar duniya yayin fallasawa, yana rage tasirin rufewa yayin kiyaye wasu fa'idodi na rufewa. wannan ya sa grr shutter ya dace da binciken gani na masana'antu, ke
da kuma
Bugu da ƙari, wasu dalilai na tsarin kamar frame rate, sensitivity na firikwensin, yanayin haske da kuma damar da za a iya sarrafawa.
da kuma
a ƙarshe, ina fatan wannan labarin ya taimake ka ka fahimci duniya sake saita saki rufe. idan kana da wani bukatar wani musamman duniya sake saita saki rufe kamara module, don Allah ji free to tuntube mu, sinoseen yana da shekaru masu yawa na kwarewa a cikin masana'antu da kuma fadi da kewayon kayayyakin, muna da tabbacin cewa za musamar maka da mafi dace kamara module bayani.

Tambayoyin da ake yawan yi

Q: Ta yaya irin shutter shafi ingancin image?

a: masu rufe fuska suna samar da hotuna marasa lalata, masu jujjuyawar za su iya haifar da lalata hoto, kuma masu rufe fuska suna rage lalata yayin da suke kasancewa masu tasiri.
da kuma
Q: Ta yaya wani grr shutter rage rolling shutter sakamako?

a: Grr shutter yana rage lalata hoto saboda layi-by-line exposure ta hanyar sarrafa haske daidai kamar yadda duk pixels aka fallasa a lokaci guda kuma ana karantawa layi-by-line.