Chromakey: Tshem Tawm Background & Green Screen vs Blue Screen
Cov teebmeem tshwj xeeb tau siv ntau ntxiv hauv cov yeeb yaj kiab, yeeb yaj kiab thiab cov khoom siv luv luv. Ntxiv nrog rau cov teebmeem digital, nws yog qhov tseeb ntawm cov ntawv thov hloov maj mam uas tau siv ntau zuj zus, xws li Chromakey.
Qhov no yog txoj kev hloov keeb kwm yav dhau (thiab qee zaum lwm qhov chaw) ntawm daim duab nrog lwm daim duab.
Qhov no tuaj yeem muaj los ntawm ib tus neeg hauv lub studio dheev sawv ntawm pem hauv ntej ntawm lub pyramid hauv Egypt, mus rau qhov chaw sib ntaus sib tua loj ntawm lub ntiaj teb nyob deb.
Hauv kab ntawv no peb yuav npog:
Chromakey yog dab tsi?
Chroma key compositing, los yog chroma keying, yog ib qho tshwj xeeb cuam tshuam / cov txheej txheem tom qab tsim tawm rau kev sib xyaw (txheej) ob daim duab lossis cov yeeb yaj kiab ua ke raws li xim hues (chroma ntau).
Cov txheej txheem tau siv ntau hauv ntau qhov chaw los tshem tawm keeb kwm yav dhau los ntawm cov duab lossis yees duab - tshwj xeeb tshaj yog cov xov xwm tshaj tawm, cov duab ua yeeb yaj kiab thiab kev lag luam videogame.
Cov xim ntau yam nyob rau hauv txheej saum toj kawg nkaus yog ua pob tshab, nthuav tawm lwm daim duab tom qab. Cov txheej txheem chroma keying feem ntau yog siv hauv kev tsim cov yeeb yaj kiab thiab tom qab tsim khoom.
Cov txheej txheem no tseem hu ua xim keying, xim sib cais overlay (CSO; feem ntau los ntawm BBC), lossis los ntawm ntau cov ntsiab lus rau cov xim tshwj xeeb uas muaj feem xyuam xws li lub vijtsam ntsuab, thiab xiav npo.
Chroma keying tuaj yeem ua tiav nrog keeb kwm ntawm txhua yam xim uas tsis sib xws thiab sib txawv, tab sis cov keeb kwm ntsuab thiab xiav feem ntau siv vim tias lawv txawv qhov txawv ntawm cov xim ntawm cov xim ntawm tib neeg cov tawv nqaij.
Tsis muaj ib feem ntawm cov ntsiab lus uas tau yees duab lossis yees duab tuaj yeem luam tawm xim siv tom qab.
Thawj qhov kev xaiv koj yuav tsum ua raws li tus kws ua yeeb yaj kiab yog Ntsuab Screen los yog Blue Screen.
Pib nrog koj tus kheej nres cov lus tsa suab storyboards
Sau npe yuav mus rau peb tsab ntawv xov xwm thiab tau txais koj dawb download nrog peb storyboards. Pib nrog coj koj cov dab neeg ciaj sia!
Peb tsuas yog siv koj li email chaw nyob rau peb tsab ntawv xov xwm thiab hwm koj tus kheej
Dab tsi yog qhov muaj zog ntawm txhua xim, thiab hom twg zoo tshaj plaws rau koj cov khoom?
Ob qho tib si xiav thiab ntsuab yog cov xim uas tsis tshwm sim hauv daim tawv nqaij, yog li lawv zoo tagnrho rau tib neeg.
Thaum xaiv cov khaub ncaws thiab lwm yam khoom hauv daim duab, koj yuav tsum xyuam xim tias cov xim chroma tseem ceeb tsis siv.
Chroma Ntsiab Blue Screen
Qhov no yog ib txwm chroma xim xim. Cov xim tsis tshwm sim hauv daim tawv nqaij thiab muab me ntsis "xim nchuav" uas koj tuaj yeem ua kom huv thiab nruj.
Nyob rau hauv scenes nyob rau yav tsaus ntuj, txhua yam kev ua yuam kev feem ntau ploj tawm tsam tom qab bluish, uas tuaj yeem ua tau zoo dua.
Chromakey Green Screen
Cov keeb kwm ntsuab tau dhau los ua neeg nyiam ntau xyoo dhau los, ib nrab vim qhov nce ntawm video. Lub teeb dawb muaj rau 2/3 ntawm lub teeb ntsuab thiab tuaj yeem ua tiav zoo heev los ntawm cov duab chips hauv cov koob yees duab digital.
Vim lub ci ci, muaj lub caij nyoog ntau dua ntawm "xim nchuav", qhov no yog qhov zoo tshaj plaws los tiv thaiv cov ntsiab lus kom deb ntawm lub vijtsam ntsuab li sai tau.
Thiab yog tias koj cam khwb cia hnav ris tsho xiav, qhov kev xaiv tau sai sai…
Txawm koj siv txoj kev twg los xij, txawm tias lub teeb pom kev tsis muaj duab ntxoov ntxoo yog qhov tseem ceeb heev. Cov xim yuav tsum yog raws li qhov ua tau, thiab cov khoom yuav tsum tsis txhob ci los yog wrinkled ntau dhau.
Qhov kev ncua deb loj nrog qhov txwv qhov tob ntawm thaj teb yuav ua rau pom pom wrinkles thiab fluff.
Siv zoo chromakey software xws li Primatte lossis Keylight, keyers hauv video editing software (saib cov kev xaiv no) feem ntau tso tej yam uas xav tau.
Txawm hais tias koj tsis ua cov yeeb yaj kiab loj, koj tuaj yeem pib nrog chromakey. Nws tuaj yeem yog cov txheej txheem them nqi, yog tias nws siv tau ntse thiab tsis cuam tshuam tus neeg saib.
Saib kuj: 5 Lub tswv yim rau kev ua yeeb yaj kiab nrog lub vijtsam ntsuab
Nyob zoo, Kuv yog Kim, niam thiab ib tus neeg nyiam nres nrog keeb kwm yav dhau los hauv kev tshaj tawm thiab kev txhim kho lub vev xaib. Kuv muaj kev mob siab rau kev kos duab thiab kev ua yeeb yam, thiab tam sim no kuv tab tom dhia taub hau ua ntej mus rau hauv lub ntiaj teb nres. Nrog rau kuv qhov blog, Kuv tabtom qhia kuv cov kev kawm nrog koj.
