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Shin Ya Kamata In Yi Amfani da Rage Hayaniya ta 3D a Kyamara?

Kamar yadda muka sani, hayaniyar wani abu ne da ba za a iya mantawa da shi ba daga na'urorin ƙara sauti a cikin kyamarorin tsaro. "Hayaniya" bidiyo nau'i ne na "tsaye" wanda ke haifar da hazo, ɗigo-ɗigo, da kuma fuzz wanda ke sa hoton da ke kan kyamarar sa idonka ya zama ba a san shi ba a yanayin haske mai ƙarancin haske. Rage hayaniya ya zama dole idan kana son hoto mai kyau a yanayin haske mai ƙarancin haske, kuma yana ƙara zama mahimmanci yayin da ƙuduri yanzu ke wuce 4MP da 8MP.

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Akwai hanyoyi guda biyu da suka shahara wajen rage hayaniya a kasuwa. Na farko ita ce hanyar rage hayaniya ta ɗan lokaci da ake kira 2D-DNR, na biyu kuma ita ce 3D-DNR wadda ke rage hayaniyar sarari.

 

Rage Hayaniyar Dijital ta 2D tana ɗaya daga cikin hanyoyin da aka fi amfani da su don kawar da hayaniya. Duk da cewa tana da nasara wajen kawar da hayaniya a cikin hotuna, ba ta yin aiki mai kyau a cikin ƙuduri mafi girma da kuma lokacin da ake yawan motsi a kusa.

Ana ɗaukar 2D DNR a matsayin dabarar "Rage Hayaniya na ɗan lokaci". Abin da ke faruwa shi ne cewa kowace pixel a kan kowane firam ana kwatanta ta da pixels a kan sauran firam ɗin. Ta hanyar kwatanta ƙimar ƙarfi da launuka na kowane ɗayan waɗannan pixels, yana yiwuwa a ƙirƙiri algorithms don gano tsari wanda za'a iya rarraba shi a matsayin "hayaniya."

 

3D-DNR ya bambanta domin yana da "rage hayaniyar sarari", wanda ke kwatanta pixels a cikin firam ɗin ɗaya a saman kwatancen firam-zuwa-firam. 3D-DNR yana cire bayyanar hotunan ƙananan haske masu duhu, zai iya sarrafa abubuwa masu motsi ba tare da barin wutsiya a baya ba, kuma a cikin ƙaramin haske, yana sa hoto ya fi haske da kaifi idan aka kwatanta da babu rage hayaniyar ko 2D-DNR. 3D-DNR yana da mahimmanci don samar da hoto mai haske daga kyamarorin tsaro akan tsarin sa ido.

 

Kyamarar sa ido ta rage hayaniya ta 3D (3D DNR) za ta iya gano wurin da hayaniya take kuma ta same ta ta hanyar kwatantawa da tantance hotunan firam ɗin gaba da baya. Kulawa, aikin rage hayaniyar dijital ta 3D zai iya rage tsangwama ga hayaniyar hoton siginar da ba ta da ƙarfi. Tunda bayyanar hayaniyar hoto bazuwar ce, hayaniyar kowane hoton firam ba iri ɗaya ba ce. Rage hayaniyar dijital ta 3D ta hanyar kwatanta firam ɗin hotuna da dama da ke kusa, za a tace bayanan da ba su haɗu ba (wato hayaniya) ta atomatik, ta amfani da kyamarar rage hayaniyar 3D, hayaniyar hoto za ta ragu sosai, hoton zai yi kyau sosai. Don haka yana nuna hoto mai tsabta da laushi. A cikin tsarin sa ido mai girma na analog, fasahar rage hayaniyar ISP ta haɓaka fasahar 2D ta gargajiya zuwa 3D, kuma tana ƙara aikin firam don rage hayaniyar bisa ga ainihin rage hayaniyar cikin firam. Analog HD ISP ya inganta ayyukan hoto mai faɗi da sauransu. Dangane da fasahar sarrafawa mai faɗi, analog HD ISP kuma yana aiwatar da fasahar watsa haske mai faɗi ta interframe, ta yadda cikakkun bayanai game da haske da duhun sassan hoton suka fi bayyana kuma suka fi kusa da ainihin tasirin da idanun ɗan adam ke gani.

 

Ko menene tushen bidiyon, hayaniyar bidiyo ta dijital na iya lalata ingancin gani na bidiyon sosai. Bidiyon da ba shi da hayaniya sosai yawanci yana da kyau.Hanya ɗaya da za a iya cimma hakan ita ce amfani da rage hayaniyar da ke cikin kyamara idan akwaiWani zaɓi kuma shine a rage hayaniya a lokacin da ake sarrafa ta.

 

A masana'antar kyamara, fasahar rage hayaniya ta 3D ba shakka za ta zama babban abin da ke faruwa a nan gabaLokacin da samfuran sa ido na analog masu girma suka fito, fasahar rage hayaniya ta ISP ta sami matsayi. A cikin kayan aikin sa ido na analog masu girma, ana iya haɓaka ta zuwa kyamarar analog mai girma akan farashi mai rahusa, kuma ana iya inganta tasirin bayanin bidiyo da kashi 30%. Wannan shine fa'idar wannan fasaha. Aikin rage hayaniya na dijital na 3D zai iya ba da damar kyamarorin CMOS HD su sami hotuna iri ɗaya ko ma mafi kyau fiye da CCD masu girma ɗaya a cikin yanayin ƙarancin haske. Tare da babban kewayon CMOS mai ƙarfi, samfuran CMOS suna taka muhimmiyar rawa a cikin kyamarorin HD. Ta hanyar rage adadin bayanan bidiyo ta hanyar hotuna masu rage hayaniya, kuma don haka rage matsin lamba akan bandwidth na hanyar sadarwa da ajiya, babu wani wuri ga analog a kasuwar sa ido mai girma.

 

Dangane da wannan babban yanayi, don biyan buƙatun ƙarin abokan ciniki don kyamarorin hoto masu inganci, Hampo zai ƙaddamar da jerin na'urorin kyamara tare da fasahar rage hayaniya ta 3D, bari mu yi fatan sabon samfurinmu - na'urar rage hayaniya ta 3D ta zo!

 

 


Lokacin Saƙo: Fabrairu-16-2023