Mene ne ainihin ra'ayin haɗin pixel da yadda yake aiki? menene fa'idodi?

Tsarin hoton da jin dadin hoto koyaushe yana da burin gama gari ga masu amfani da masu haɓaka. A cikin 'yan shekarun nan, fasahar "pixel binning" ta zama batun mai zafi, wanda ke inganta jin dadin kyamarori tare da ƙananan girman pixel ta hanyar musamman don haka ana iya ɗaukar hotuna masu inganci a cikin yanayi mai haske ƙasa. Duk da cewa ana amfani da kalmar haɗa pixel a cikin kyamarorin wayoyin salula, yana fara samun aikace-aikace a cikin hangen nesa na na'ura da hangen nesa na haɗe.

A cikin wannan labarin za mu duba sosai yadda pixel binning ke aiki da yadda zai iya kwaikwayon manyan girman pixel ta hanyar haɗa pixels, ta haka yana ƙara jin dadin kyamara ba tare da ƙara girman na'urar ba.

Menene rawar da pixels ke takawa a cikin hangen nesa na haɗe da kyamarori?

Kafin mu bincika fasahar pixel binning, dole ne mu fahimci rawar da pixels ke takawa a cikin hangen nesa da kyamarori. Pixels, wanda aka fi sani da photoreceptors, wurare ne na zahiri a kan na'urar daukar hoto da ke da alhakin kama haske don samar da hoto. Girman pixel yawanci ana auna shi a cikin microns (miliyan daya na micron), kuma pixels da suka fi karancin micron ana daukarsu a matsayin kanana sosai.

Pixels masu girma suna iya tattara haske fiye da kananan, wanda hakan yana da matukar muhimmanci a cikin yanayi inda haske yake da karanci. Saboda haka, don samun ingancin hoto da ake so a cikin waɗannan yanayin, yawanci muna son zaɓar na'urorin daukar hoto tare da manyan girman pixel. Duk da haka, pixels kanana suna da fa'idodi na su a cikin cewa suna iya kama ƙananan abubuwa da cikakkun bayanai. Misali, kyamarar Sinoseen SNS-USB2160-v1.0-a2mp karamin girman kyamara ta USB-tana da girman pixel na 1.4 microns, wanda aka dauka a matsayin karami, yayin da D694P1-A2-E-a2mp HDR kyamara ta USB-tana da girman pixel na 3 micronswanda aka ɗauka mafi girma.

Wannan shine lokacin da matsalar ta taso. Idan kana son kyamara mai inganci, ƙaramin girman pixel ɗinta, yana iyakance jin daɗin kyamarar. Kuma idan ka zaɓi kyamara tare da babban girman pixel, girman na'urar yana ƙaruwa daidai. Idan aikace-aikacenka yana buƙatar duka fa'idodin kyamara tare da ƙaramin girman pixel, kamar ɗaukar ƙananan abubuwa yayin da har yanzu ke samun kyakkyawan jin daɗi, hanyoyin gargajiya ba su isa ba.

Wannan shine inda haɗa pixel ke shigowa. Kyamarorin haɗa hoton suna iya kwaikwayon manyan girman pixel ba tare da zaɓar babban na'ura ba. A cikin sassan masu zuwa za mu duba wannan ra'ayi da ƙarin bayani.

Ma'anar Haɗa Hoton

menene ma'anar haɗa?Haɗa pixel wata sabuwar fasahar sarrafa hoto ce wacce ke ƙara girman pixels na na'ura ta hanyar haɗa siginar lantarki na pixels makwabta, ta haka yana ba da ingantaccen jin daɗi ga kyamarorin ƙaramin girman pixel.
A cikin asalin sa, fasahar pixel binning tana ba da damar kyamarori su kwaikwayi manyan girman pixel ta hanyar haɗa pixels da yawa ba tare da rasa ingancin hoto ba. Wannan fasahar ita ce mafita mai kyau ga aikace-aikacen kyamara da ke neman ƙara jin daɗi yayin da suke riƙe da ƙira mai ƙanƙanta.

Yadda Pixel Binning ke Aiki

Fasahar pixel binning ana aiwatar da ita a matakin mai sarrafa siginar hoto ta hanyar hanyar demosaicing, wanda ke haɗa bayanai daga pixels hudu masu makwabtaka zuwa pixel guda. Tsarin yana haɗa grid na 2×2, 2×1, 3×3 ko 4×4 pixels zuwa babban “superpixel”.

A lokacin aikin haɗa pixels, bayanin kowanne pixel yana haɗuwa cikin babban pixel guda. Wannan yana nufin cewa a cikin yanayin haɗin pixel 4 zuwa 1 ko 2×2, misali, ingancin hoton zai ragu zuwa 1/4 na ingancin na'urar; duk da haka, ga yawancin aikace-aikacen hangen nesa da aka haɗa, wannan musayar inganci tana da karɓuwa, yayin da wani adadin inganci yawanci za a iya sadaukarwa don ingantaccen ingancin hoto lokacin ɗaukar hotuna a cikin yanayi mai ƙarancin haske. Nemoyawan pixels da hoto ke buƙata.

Mabuɗin haɗa pixels shine yadda yake amfani da zane-zanen na'ura da ke akwai yadda ya kamata. Ta hanyar haɗa bayanai daga pixels makwabta, kyamarar na iya inganta aikin ta na jin haske ba tare da ƙara girman jiki na na'urar ba. Wannan fasahar tana da matuƙar amfani ga aikace-aikacen da ke buƙatar babban jin daɗi a cikin ƙaramin wuri, kamar a cikin na'urorin hannu ko kyamarorin masana'antu masu ƙanƙanta.

Bugu da ƙari, haɗa pixels yana ba da sassauci ta hanyar ba wa masu haɓaka damar zaɓar nau'ikan haɗawa daban-daban (misali, 2×2, 3×3, 4×4, da sauransu) don nemo haɗin da ya fi dacewa da ƙuduri da girman pixel don takamaiman bukatun aikace-aikace. Wannan sassauci yana sa haɗa pixels ya zama mai kyau don aiwatar da hanyoyin kyamara na musamman.

Fa'idodin amfani da haɗa pixels a cikin aikace-aikacen hangen nesa na haɗe-haɗe

Fasahar haɗa pixels tana ba da fa'idodi masu yawa masu mahimmanci waɗanda ke sa shi zama kayan aiki mai ƙarfi don inganta aikin ƙananan girman pixel na kyamarori.

• Mafi Girman Jin Dadi:Ta hanyar haɗa pixels, jin dadin kyamarar yana inganta sosai, wanda hakan yana da amfani musamman a cikin aikace-aikacen hangen dare da wuraren da ke da haske ƙasa. Manyan pixels suna kama ƙarin haske, wanda ke haifar da hotuna masu inganci ko da a cikin yanayi mai haske ƙasa.
• Sassauci da keɓancewa:Nau'ikan haɗa pixel daban-daban (misali, 2×2, 3×3, 4×4, da sauransu) suna ba da sassauci, suna ba wa masu haɓaka damar zaɓar haɗin da ya fi dacewa na ƙuduri da girman pixel don bukatun wani aikace-aikace na musamman.
• Tsarin Miniaturized:Yayinda tsarin da aka haɗa ke ƙara ƙanƙanta, kyamarori tare da ƙwarewar haɗa pixel na iya taimakawa wajen iyakance girman kyamara yayin da ake samun jin daɗin da ake so. Wannan yana ba wa masu haɓaka kayayyaki ƙarin sarari don karɓar wasu abubuwan hardware a cikin na'urar, wanda ke haifar da ƙira mai ƙanƙanta.
• Dace da aikace-aikace na musamman:Yayinda haɗa pixel na iya zama ba ya isa don tabbatar da musayar ƙuduri a cikin haske mai haske, a cikin aikace-aikace inda ake buƙatar ƙarin jin daɗi, kamar tsaro, daukar hoto na taurari, ko hoton kimiyyar rayuwa, haɗa pixel yana ba da babban ƙaruwa a cikin aiki.
• KUDIN KYAUTA:Hada pixel yana ba da damar samun ingantaccen aiki ta amfani da fasahar na'ura mai gano wuri da ake da ita ba tare da bukatar zuba jari a cikin na'urorin gano wuri masu tsada da girma ba. Wannan yana sa ya zama mafita mai araha, musamman ga ayyukan da ke da kasafin kudi mai iyaka.

A taƙaice, yayin da haɗa pixel ba zai yi kyau ga dukkan aikace-aikacen kyamarar ba, yana ba da fa'idodi masu yawa na aiki a cikin aikace-aikacen da ke buƙatar aiki a cikin yanayi mai haske ƙasa. Hada pixel yana da kyau ga aikace-aikacen kyamara da ke neman ƙara jin daɗi yayin da suke kiyaye ƙira mai ƙanƙanta.

Ƙarshe

A ƙarshe, haɗa pixel ba kawai hanya ce mai tasiri don magance matsalolin aiki a cikin haske mai rauni ba, har ma yana da mahimmanci a cikin ci gaban fasahar hangen nesa da aka haɗa. Yayin da fasahar ke ci gaba da haɓaka, za mu iya sa ran ganin ƙarin aikace-aikace masu ƙirƙira bisa haɗa pixel a nan gaba don ƙara inganta ingancin hoto da ƙwarewar mai amfani.

Sinoseen, a matsayinmasana'anta na ƙananan kyamarorin da aka haɗayana da fiye da shekaru 14 na kwarewa a fannin, tare da kayayyaki da suka hada da fasaloli kamar ingantaccen hoto, ba tare da tace launi ba, da kuma karamin girman pixel. Mafi dacewa don aikace-aikace kamar binciken dijital, gane lambar lasisi ta atomatik, da kuma binciken inganci.

Idan kana da bukatar wani keɓaɓɓen USB 3.0 Camera Module, GMSL Camera ko MIPI Camera Module don haɗawa da samfurinka, jin kai ka tuntube mu koziyarci shafin samfurinmu.