Ukhiye we-Chroma: Iyini Futhi Ungayisebenzisa Kanjani Ngezikrini Eziluhlaza

ngo kim Kubuyekezwe: June 27, 2022

Ukhiye weChroma, obeye aziwe njengo ukuhlolwa okuluhlaza, indlela yemiphumela ebonakalayo yokuhlanganisa izithombe ezimbili noma ukusakazwa kwevidiyo kube yinto eyodwa. Kubandakanya ukuthwebula izithombe noma ividiyo phambi kwengemuva elinombala owodwa bese ufaka isithombe esisha noma ividiyo esikhundleni salokho okungemuva.

Le nqubo isetshenziswa ekukhiqizweni kwevidiyo nasekuthwebuleni izithombe, futhi ithandwa kakhulu kumabonakude nakufilimu.

Kulesi sihloko, sizonikeza isingeniso kukhiye we-chroma futhi sichaze ukuthi ungawusebenzisa kanjani izikrini eziluhlaza.

Incazelo yokhiye we-chroma

Ukhiye weChroma kuyindlela ekhethekile yemiphumela yokuhlanganisa izithombe ezimbili noma ukusakazwa kwevidiyo ndawonye. Lobu buchwepheshe buvamise ukusetshenziswa abenzi bamafilimu ukuze bakhe imiphumela ekhethekile, noma abasakazi bashintshe ingemuva ngesethi yesitudiyo esibonakalayo. Isebenza ngokusebenzisa i- umbala wokhiye we-chroma - ngokuvamile oluhlaza noma oluhlaza okwesibhakabhaka - kuvidiyo eyodwa bese ufaka esikhundleni sayo isithombe esivela kwenye ividiyo.

The ukukhanya kombala wokhiye we-chroma kufanele ihlale ingashintshi kukho konke ukudubula, ngaphandle kwalokho noma yiziphi izinguquko ekukhanyeni zizobonakala esikrinini. Isikrini esiluhlaza esibonakalayo singasetshenziselwa ukudubula uma sifisa, nokho okubonakalayo kungasetshenziswa nangesoftware. Ukuze usebenzise isikrini esiluhlaza ngendlela efanele, kufanele ukhumbule:

• Ukukhanyisa isihloko sakho ngendlela efanele
• Ukuqinisekisa ukuthi azikho izithunzi ezikhona, njengoba lezi zizobonisa ukukhanya esikrinini esiluhlaza lapho uthwebula ngokumelene naso futhi kuphumele ekutheni abantu babonakale benethunzi elibazungezile uma kuthwetshulwa ngaphambi kwengemuva le-achromatic elifana nalelo elisetshenziswa Ukhiye weChroma ukuhamba komsebenzi.

Usebenza kanjani ukhiye we-chroma

Ukhiye weChroma kuyindlela esetshenziswa kudijithali ukuhlela ividiyo kanye nokuhlanganisa. Kubandakanya ukuhlanganisa ukusakazwa kwevidiyo okubili kube kokukodwa, kusetshenziswa umbala othile (noma i-chroma) njengendawo eyinkomba. Umbala uyakhishwa kokukodwa kokusakaza, esikhundleni sawo kufakwe esinye isithombe noma ividiyo. Ukhiye we-Chroma waziwa nangokuthi "isikrini esiluhlaza" noma "isikrini esiluhlaza okwesibhakabhaka” ubuchwepheshe, njengoba leyo mibala isetshenziswa kakhulu kulo mphumela.

Inqubo ye-chroma keying isebenza ngezinyathelo ezimbili:

1. Okokuqala, izindawo zesithombe ezidinga ukususwa zibonakala ngemibala yazo. Lokhu kungafezwa kalula ngamakhompuyutha esimanje ngokusebenzisa isofthiwe ekhethekile ukuze kutholwe ububanzi bemibala obufanele bese bushintshwa ukuze kuhlonzwe ububanzi obuthile obuzosetshenziswa kukhiye we-chroma.
2. Okwesibili, lobu bubanzi obuhlonziwe buthathelwa indawo isithombe noma ifayela le-movie elinikezwe umsebenzisi—okudala umphumela lapho okuqukethwe okunikezwa umsebenzisi kuvela khona esikhundleni sengemuva elinemibala noma ngaphambili.

Ngokungeziwe ekushintsheni ingemuva ngezithombe namavidiyo amile, ezinye izinhlelo zokusebenza ziphinde zinikeze izinketho ezifana nokulungisa amazinga okukhanyisa nezinketho zokuzinzisa ukuze kuthuthukiswe imiphumela yokucwenga nokuletha izithombe eziphumayo zekhwalithi ephezulu. Ukuhlanganisa amashothi amaningi esithombeni esisodwa esiyinhlanganisela nakho kudinga ulwazi mayelana amasu okufihla, engasusa ama-elementi kusendlalelo esikhethiwe ukuze kulungiswe imininingwane eyengeziwe - njengezinwele noma imisila yezingubo - ngaphakathi kwe-photoshop ngaphambi kokuyihlanganisa ezithombeni ezidalwe ngobuchwepheshe bokhiye be-chroma.

Ukusebenzisa i-Chroma Key enezikrini eziluhlaza

Ukhiye weChroma, obeye aziwe njengo umbala keying, kuyindlela edumile esetshenziswa ekukhiqizweni kwevidiyo ukuze kuqondwe isithombe esingaphambili ngaphezu kwesithombe sangemuva ukuze kudalwe ividiyo eheha kakhulu. Uma isetshenziswa ngokuhambisana ne-a isikrini esiluhlaza, ivumela ukudalwa kwengemuva ledijithali elinemininingwane eminingi, elingokoqobo, kanye nemiphumela ekhethekile efana ne isimo sezulu, ukuqhuma, nezinye izigcawu ezimangalisayo.

Ake sibheke ukuthi ungasebenzisa kanjani ukhiye we-chroma nge izikrini eziluhlaza:

Ukukhetha isikrini esiluhlaza

Ukukhetha okulungile isikrini esiluhlaza ngoba wakho ukhiye we-chroma kungenza umehluko omkhulu kwikhwalithi iyonke yemiphumela yakho. Uma ukhetha isikrini esiluhlaza, bheka indwangu enokulingana, ukuthungwa okubushelelezi kanye nama-creases amancane. Impahla kufanele ingabonakali, ilukwe ngokuqinile ngaphandle kwemibimbi ebonakalayo noma imithungo ephazamisayo. Ufuna ukuqinisekisa ukuthi ingemuva lakho alinawo nhlobo amaphutha angaphazamisa umphumela wokhiye we-chroma; uma kungenjalo, uzogcina unezithunzi ezingajwayelekile noma izigaba ezibonakala zingekho endaweni.

The umbala wesikrini sakho oluhlaza udlala indima futhi. Abantu abaningi bakhetha umthunzi okhanyayo obizwa ngokuthi “i-chroma-green” – kodwa ezinye izinketho ezifana nohlaza okwesibhakabhaka zingasebenza kangcono ezimweni ezikhethekile. Ngokuvamile kunengqondo ukuhlola futhi ubone ukuthi iyiphi inketho esebenza kangcono kuphrojekthi yakho ethile. Khumbula ukuthi ufuna ukugwema noma yiziphi izindawo eziluhlaza esihlokweni sangempela sevidiyo yakho; uma uthwebula abantu ngokumelene nesizinda esivamile sotshani, isibonelo, kungaba nzima ukuqeda izinkinga ezibangelwa ukubonakaliswa okuvela ezintweni ezinotshani eziseduze.

Kungakhathaliseki ukuthi yisiphi isithunzi onquma ngaso, gwema ama-shades agcwele kakhulu njalo ugcine Ukukhanyisa engqondweni lapho ukhetha umbala wesikrini; izibani ezikhanyayo zizokwenza kube nzima kumathuluzi esofthiwe yedijithali ukukhetha umbala oqondile ofisa ukuphumela obala ngawo kanye namaphrojekthi aphumelelayo we-chroma keying.

Isetha isikrini esiluhlaza

Ukusetha a isikrini esiluhlaza ukukhiqizwa kwevidiyo eyisihluthulelo se-chroma kulula. Okokuqala, khetha indawo enendawo eyanele futhi ekhona ikhanya kahle kodwa ayikhanyi kakhulu. Uzodinga futhi ukwenza isiqiniseko sokuthi isikrini esiluhlaza osikhethile simatte, ukuze ukukhanya kungabonakali kuso. Okulandelayo, uzofuna lenga isikrini endaweni yokubeka noma usibeke odongeni ukuze kubonakale ngokucacile lapho kuqoshwa.

Ibanga elifanele lekhamera nesihloko kufanele libe okungenani 3-4 amafidi ukusuka ngemuva. Lokhu kusiza ukwehlisa izithunzi nokucwebezela, okungaholela ekuhlukeni kwemibala okungalindelekile uma kuhlanganiswa nezinye izithombe noma iziqeshana. Uma kungenzeka, sebenzisa amasu okukhanyisa njenge ukukhanyisa kwamaphoyinti amathathu ukusiza ukuqinisekisa ukuthi izithunzi aziweli ekusetheni isikrini sakho esiluhlaza phakathi nezikhathi zokurekhoda.

Uma isikrini sakho sisethiwe futhi sikhanyiswe kahle, usulungele ukuqala ukuthatha amashothi akho okhiye we-chroma!

Ikhanyisa isikrini esiluhlaza

Lapho usetha isikrini esiluhlaza into eyodwa ebaluleke kakhulu ukukhanyisa ingemuva. Ukuze uthole imiphumela emihle kukhiye wakho we-chroma, uzofuna ukwenza isiqiniseko sokuthi isikrini sakho esiluhlaza sikhona ikhanya ngokulinganayo futhi ayinamithunzi. Indlela engcono kakhulu yokufeza lo mphumela iwukusetha izibani ezimbili usebenzisa amalambu e-fluorescent noma ngokusebenzisa izibani zevidiyo ezibekwe nge-engeli engu-45 degree kwesokunxele nakwesokudla kwesikrini esiluhlaza.

Uzofuna futhi ukuqinisekisa ukuthi awekho ukucabanga okungafunwa, njengokukhanya kwelanga okuqondile noma izibani ezikhanyayo ezibhampa ingemuva lakho. Uma kungenzeka, dubula endaweni evalekile enemithombo encane yokukhanyisa yangaphandle futhi ucabange ukutshala imali kwamanye amakhethini amnyama ukuze uthuthukise imiphumela yakho nakakhulu.

Lapho usebenza ngesikrini esiluhlaza qaphela ukugcina ezinye izinto zingadutshuliwe; ngeke ufune ukuchithwa okungahlosiwe kombala wakho wangemuva kwezinye izinto ezisesigcawini sakho. Futhi ungakhohlwa ngezinwele – Uma kukhona izinwele zomlingiswa ezishuthiwe, zidinga ukuhlukaniswa kahle nendawo ezizungezile ezihlolwe ngokuluhlaza ukuze zingasuswa lapho usebenzisa imiphumela yokhiye ye-chroma ngokuhamba kwesikhathi!

• Qinisekisa ukuthi isikrini sakho esiluhlaza sinjalo ikhanya ngokulinganayo futhi ayinamithunzi.
• Gwema ukucabanga okungafunwa.
• Gcina ezinye izinto zingadutshuliwe.
• Qiniseka ukuthi izinwele zomlingiswa zinjalo zihlukaniswe kahle kusukela esikrinini esiluhlaza.

Ukuthwebula ividiyo

Lapho ithunjwa kahle, ukhiye we-chroma ingakusiza ukuthi udale imiphumela emangalisayo yesikrini esiluhlaza. Ukuze uqalise, uzodinga kuqala ukusetha isikrini sakho esiluhlaza nokokusebenza. Lokhu kuhilela ukuqinisekisa ukuthi unazo zonke izingxenye ezidingekayo njengendawo ekhanyayo ekhanyayo, ikhamera elungile, ingemuva elifanele kanye nesofthiwe efanele.

Uma usumise imvelo nezinto zokusebenza, yisikhathi sokuthwebula ividiyo yakho. Ukuze uqale ngakho qiniseka ukuthi kokubili ithalenta nesihloko sakho kugqokwe ngemibala efanayo engashayisani nengemuva noma izinto ezisetshenziswe kusethi. Lokhu kuzosiza ukuqinisekisa ukuthi akukho ukungcoliswa kombala okubonakalayo esigcawini sakho.

Ngemuva kwalokho, yenza ithalente lakho lime kude ngamamitha ambalwa ukusuka ngemuva ukuze uqiniseke ukuthi akukho ukuchitheka kombala kusuka ngemuva okubonisa isikhumba noma izingubo zabo uma bebhekwa isihlungi sokhiye we-chroma. Bese uzimise ngqo ngemuva kwazo ukuze uqinisekise ukuthi azikho izithunzi eziphazamisayo eziwela kuzo ezivela ezintweni eziseduze noma izibani.

Manje njengoba yonke into isimi ngomumo futhi isilungele ukuqoshwa sekuyisikhathi sokuthi ulungise izimo zokukhanyisa futhi wenze ezinye izilungiselelo njengoba zisebenza ekurekhodweni komsindo kanye nezimo zokuqoshwa kanyekanye njengoba kudingekile kuye ngokuthi isibhamu sakho sizoba yinkimbinkimbi kangakanani. chroma keying Ngesikhathi ukukhiqizwa kokuthunyelwe ukusebenza kamuva. Uma lezi zinguquko sezenziwe manje sekuyisikhathi sokuqala ukuthwebula ividiyo!

Post-Production

Ukukhiqiza ngemuva kuyingxenye ebalulekile yenqubo yokwenza ifilimu, futhi ukhiye we-chroma ingenye yezindlela ezibaluleke kakhulu okufanele zicatshangelwe. Ukhiye weChroma kuyindlela yokukhiqiza yangemva kokukhiqiza ebandakanya ukubuyisela ingemuva nge-virtual. Le nqubo isetshenziswa kakhulu efilimini nakumabonakude ukuhlanganisa imithombo emibili ndawonye.

Ake sibheke ukhiye we-chroma, yini, Futhi indlela yokuyisebenzisa ngezikrini eziluhlaza.

Ukusebenzisa umphumela wokhiye we-chroma

Ukusebenzisa umphumela wokhiye we-chroma kuvidiyo kungenziwa ezinhlelweni eziningi zokuhlela ividiyo. Ezimweni eziningi, izobizwa "ukhiye we-chroma" noma "isikrini esiluhlaza". Ukuze uqale, beka isithombe sakho sesikrini esiluhlaza emugqeni wesikhathi bese usibeka emuva ngemuva nengemuva ongathanda ukuyishintshanisa nokuluhlaza.

Enye isofthiwe yokuhlela ividiyo inamathuluzi aqondile okusebenza ngemiphumela eyinhloko ye-chroma kuyilapho amanye eyisisekelo futhi edinga izinqubo ezenziwa ngesandla. Usebenzisa isikhethi sombala, khetha umbala oluhlaza osetshenziswe kuvidiyo yakho bese ulungisa izilungiselelo ezifana nokuthi ukubekezelelana kanye nomfutho, ukuze kukhishwe ingemuva kuphela kuyilapho kugcinwa zonke izici ezingezona eziluhlaza zibonakala zibonakala.

Uma usuqedile, beka isiqeshana sangemuva ozikhethele sona phezu kwesisikiyo esinezinto zangemuva eziluhlaza ezifihliwe ukuthi zingabukwa. Jabulela ukuzizwisa okuthuthukisiwe kokukhiqiza njengoba manje ungakwazi ukwengeza izithombe ezinyakazayo noma ingemuva elibonakalayo obungafinyeleleki ngaphambilini!

Nganoma iyiphi inhlanhla nokusethwa okufanele kwezilungiselelo zomphumela wokhiye wakho we-chroma, okusele nje ukuqedela ama-elementi angemuva kokukhiqiza afana ukulungisa umbala, ukuhlanganisa umsindo/ ukuhlela or amagoli omculo ukuze kufezeke ngokugcwele iphrojekthi yakho!

Ilungisa izilungiselelo zokhiye we-chroma

Ukhiye weChroma iyindlela ethokozisayo yokukhiqiza engasetshenziswa ukwengeza imiphumela emangalisayo nezigcawu kumashothi ngemuva kokuthi zirekhodiwe. Yaziwa nangokuthi ubuchwepheshe besikrini esiluhlaza, ngoba ngokwesiko isikrini esihlukanisa isihloko nengemuva siwumbala oluhlaza ogqamile, okhanyayo.

Ukulungisa izilungiselelo zokhiye we-chroma kudinga ukucutshungulwa kahle kancane ukuze kulunge futhi udale inhlanganisela engokoqobo ekukhiqizweni kwangemuva. Isilungiselelo esibaluleke kakhulu sokulungisa ngokuvamile yi- "inani lokhiye" noma "ukufana".. Leli nani lokufana linquma ukuthi kungakanani okwasemuva okuzokhishwa uma uhlanganisa okuqoshiwe kwakho. Uma lesi silungiselelo siphansi kakhulu, ungase ugcine usunama-artifact abonakalayo futhi ubone izingxenye zengemuva okufanele ngabe zisusiwe - lokhu cishe njalo kudala inkimbinkimbi engelona iqiniso futhi kuphazamisa umphumela wakho uwonke.

Ngokungeziwe ekulungiseni izilungiselelo ezifanayo, udinga ukufanisa amaleveli phakathi kwezithombe zakho zangaphambili nezangemuva ukuze ubukeke ngokwangempela. Ukuze wenze lokhu kufanele ulungise amaleveli okukhanya ukuze usize ukuhlanganisa uhlaka ngalunye ngokuqinisekisa ukuthi ahambisana namaleveli okukhanya nokugqama. Okokugcina, uma ufuna ukulawula okuningi phezu kwezithombe zakho, sebenzisa amaphuzu okulandela ngokwezifiso ukuze uqinisekise ukubekwa kahle kwezinto ezihlukene phakathi kozimele ngesikhathi sokuhlanganisa - lokhu kuzokunikeza ukulawula okuqinile kokuthi izinto zibonakala zisebenzelana kanjani endaweni ngaphandle kokupheneka noma ukusondeza noma okunye. ama-engeli ekhamera anyakazayo konke kuthatha.

Ikhipha izithunzi zesikrini eziluhlaza

Uma ususa isikrini esiluhlaza emfanekisweni, kubalulekile ukuthi ungawunaki amathunzi avelayo. Njengoba ingemuva lesikrini esiluhlaza esikhishwe ngokhiye ngokuvamile libonisa ngale, noma yisiphi isithunzi sangempela esidalwe isihloko sisazohlala kuzimele.

Ukuze ususe le mithunzi:

1. Qala ngu ukuphindaphinda isendlalelo esinesihloko sakho esikhulu.
2. Qiniseka ukhiye namamaski zicishiwe.
3. Bese inverse isendlalelo sakho bese ukhetha ithuluzi lokufiphalisa olithandayo.
4. Faka isicelo se- ukufiphala okuncane kakhulu endaweni yomthunzi ukuze bushelelezi noma yimiphi imiphetho eqinile.
5. Qhubeka nokulungisa ukukhanya nokufiphalisa uze ufinyelele umphumela owufunayo.
6. Engeza imaski uma kudingeka futhi susa noma iyiphi indawo lokho kusabonisa izinsalela zombala wesikrini oluhlaza ongaphandle kwendawo yethunzi yezifundo.

Uma izithunzi sezilungisiwe futhi zilungiswa, gcina njengelinye ifayela noma bhala ngaphezulu amafayela akhona ukuze zisetshenziswe kamuva!

Amathiphu namasu

Ukhiye weChroma kuyindlela yokukhiqiza esetshenziselwa ukwenza izingxenye zevidiyo noma zesithombe zibonakale sobala. Le nqubo isetshenziswa kakhulu ne izikrini eziluhlaza futhi ivumela abenzi bamafilimu ukuthi babeke abalingisi ezindaweni ezidalwe ngedijithali ngaphandle kokuya endaweni.

Kulesi sigaba, ake sixoxe ngezinye amathiphu namasu okwazi ubuciko be-Chroma Key kanye nemiphumela yesikrini eluhlaza.

Ukukhetha indwangu efanele yesikrini esiluhlaza

Ukukhetha okulungile indwangu yesikrini eluhlaza kuyisinyathelo esibalulekile ekudaleni ukusetha okuyimpumelelo kokhiye we-chroma. Izikrini eziluhlaza ziza ezinhlobonhlobo eziningi nezindwangu, kuhlanganise ukotini, i-muslin, i-velvet, uboya kanye ne-polyester.

Nazi ezinye izinto okufanele uzicabangele lapho ukhetha indwangu yesikrini sakho esiluhlaza:

• Ukukhanya Okukhanyayo: Imibala ekhanyayo izobonisa ukukhanya okwengeziwe, okungadala umphumela wokugezeka kungemuva lakho. Imibala emnyama izomunca ukukhanya okwengeziwe emithonjeni yakho yokukhanya.
• Ukuthambisa: Indwangu enombhalo ingabangela ukuboniswa noma ithunzi kungemuva lakho elingenza kube nzima ngesofthiwe ukususa ngokunembile ingemuva eliluhlaza ezithombeni zakho. Ukuthungwa okubushelelezi kungcono kakhulu ngezinhloso eziningi.
• ukuqina: Izindwangu ezihlukene ziyakwazi ukumelana nemibimbi nokunye ukugqokwa kunezinye. Bheka ukuthi yiluphi uhlobo lwendwangu olulungele kangcono ukusetshenziswa ngokuphindaphindiwe noma oluthatha kahle uma lugcinwe kahle.
• Ukuvumelana Kombala: Izindwangu ziyahlukahluka kakhulu ngokuya kokuvumelana kombala kuzo zonke izinhlobo zenkatho noma amadayi amaningi. Chitha isikhathi ucwaninga ukuthi yibaphi abahlinzeki abahlinzeka ngezindwangu ezinombala ongaguquki ngaphambi kokunquma ukuthi iyiphi ozotshala kuyo.

Kusetshenziswa isitendi sangemuva

Uma usebenzisa isitendi sangemuva, isinyathelo sokuqala ukuqinisekisa ukuthi sinjalo kuhlanganiswe ngokuphelele futhi kuvikelwe endaweni. Lokhu kungenziwa kalula uma ulandela imiyalelo enikezwe nesitendi. Kufanele ifike nesethi yayo yokufakwa kanye nezinsimbi zokusetha kalula.

Uma isihlanganisiwe, sekuyisikhathi sokuthi namathisela okwasemuva ozikhethele kubha enqamulayo yesitendi. Lokhu kungenziwa ngokusebenzisa ama-clamp noma ama-snaps kuye ngokuthi hlobo luni lwempahla oyisebenzisayo. Into ebalulekile okufanele uyikhumbule ukuqinisekisa ukuthi indwangu yakho yangemuva iyabukeka ngisho nasemaceleni omabili futhi ithambile ngokwanele.

Okokugcina, beka ikhamera yakho ngaphambi kwesendlalelo esiningi sesikrini esiluhlaza esakhiwe ngokokwakheka okufunayo bese uthatha amashothi ambalwa wokuhlola ngenkathi ubheke kude nesihloko sakho uze ujabuliswe ukubukeka nomuzwa wemiphumela yokuthwebula isithombe esikrinini. Uma kukhona imibimbi esele, ungakwazi zi-ayine noma wenze izinguquko ezincane ekucindezelekeni kwendwangu ngaphambi kokuthi uqale ukuthwebula amavidiyo noma izithombe kusethiwe ngaphambi kokususa noma yikuphi ukungapheleli okungafuneki ezigabeni zokuhlela zangemuva kokukhiqiza.

Ukusebenzisa ikhadi lokuhlola umbala

Ukuba nakho okuhle kakhulu ukusebenza kwenjini yokhiye we-chroma incike kakhulu ekulinganiseni kombala okunembile, yingakho usebenzisa ikhadi lokuhlola umbala lapho usetha isikrini sakho esiluhlaza kungaba usizo ngendlela emangalisayo. A ikhadi lokuhlola umbala iyithuluzi elisiza ukuthola ibhalansi emhlophe enembile futhi linciphise noma yikuphi ukulingwa kombala ezigcawini zakho ezihlanganisiwe.

Ukufaka ikhadi lokuhlola umbala ngesikhathi sokusetha kuqinisekisa ukuthi isikrini esiluhlaza okwesibhakabhaka noma indwangu yesikrini esiluhlaza sizobonisa ngokunembile imibala efanele yezifundo zakho. Iphinde inikeze ukuvumelana phakathi kwamashothi ahlukene naphakathi kwezingubo zabalingisi abahlukene. Lokhu kwenza kube lula kakhulu ukudala imiphumela engokoqobo lapho izinto ezivela endaweni ethile zihlangana nezinto ezisuka kwesinye isigcawu ngaphandle komthungo.

Ibhalansi emhlophe ekhethwe kahle ngaphambi kokudubula izosiza ukusheshisa kokubili ukudubula nokukhiqizwa kwangemuva ngokunciphisa ukulungiswa okwengeziwe kamuva. Uma usetha indawo ye-chroma keying, letha ikhadi kuhlaka okungenani amafidi angu-12 ukusuka kukhamera futhi uqiniseke ukuthi lithatha ngaphansi kwamaphesenti angu-2 wendawo yozimele; lokhu kuzokuvumela ukuthi ugweme ukuhlanekezela kwelensi ukusonta ukuma kwayo. Lungisa izilungiselelo zokuchayeka kuze kube yilapho imitha yokuchayeka ifunda phakathi kwezitobhi ezimbili okumpunga okuphakathi kukho kokubili okubekwe obala kanye nezithunzi (hhayi ukufaka okuvelele okukhethekile).

Qinisekisa ukuthi ulinganisela ukuchayeka ngokushesha ngangokunokwenzeka ngaphambi kokuthi ukudubula kuqale ukuze ube nereferensi yokulinganisa okumhlophe noma yikuphi ukuthwebula okwengeziwe okuthathwe kuleyo ndawo kamuva, ukuvimbela ukulahleka kwesikhathi ekulungiseni okungadingekile kamuva ekukhiqizeni.

Isiphetho

I-Chroma keying iyindlela enamandla esetshenziswa abathwebuli bezithombe, abenzi bamafilimu nabahleli bevidiyo ukuze balawule ingaphambili lesigcawu kuyilapho beyihlanganisa ngaphandle komthungo nengemuva. Uma yenziwe kahle, ukhiye we-chroma ungenza cishe noma yisiphi isithombe sibonakale siphambi kwanoma isiphi esinye isithombe - ngemuva kwezintaba, ngaphezu kwamagagasi olwandle, noma phezu kwesitimela esigijima ngesivinini. Kuyamangaza lokho ongakudala ngezithombe ezimbili nje kanye nolwazi oluthile lobuchwepheshe.

Ngenxa yobuchwepheshe bedijithali kanye izikrini eziluhlaza ezithengekayo, i-chroma keying isisebenziseka kalula futhi iyafinyeleleka kunangaphambili. Kusuka kokufundisa ku-inthanethi kuye kumaphakheji enziwe ngomumo namathuluzi esofthiwe kwabaqalayo, kunezinsiza eziningi laphaya zanoma ubani onentshisekelo yokuqalisa nge-chroma keying. Kungakhathaliseki ukuthi ubheke ukudala imiphumela ekhethekile emangalisayo noma umane wengeze ubuciko obubonakalayo kumavidiyo nezithombe zakho, ukufaka okhiye be-chroma ezithombeni zakho ngokuqinisekile kuzokusiza ukuthi uthole okuningi ezithombeni zakho - vele uqiniseke ukuthi uzijwayeza ukushutha okumbalwa kuqala ngaphambi kokubhekana namaqhinga esikrini esiluhlaza athuthukile!

Sawubona, nginguKim, umama kanye nomshisekeli we-stop-motion onesizinda ekudalweni kwemidiya nokuthuthukiswa kwewebhu. Nginothando olukhulu lokudweba nokugqwayiza, futhi manje sengingena ngekhanda emhlabeni onyakazayo. Ngebhulogi yami, ngabelana ngezifundo zami nani bafana.