Isikrini esiBlue: Yintoni kwaye uyisebenzisa njani kwiMveliso yeVidiyo

ngo kim Ukuhlaziywa: Juni 26, 2022

Isikrini esiluhlaza, kwaziwa njenge chromakey, bubuchule obukhethekileyo beziphumo obusetyenziswa kwimveliso yevidiyo ukwenza umfanekiso odibeneyo ngokudibanisa imifanekiso emibini okanye iividiyo. Isetyenziselwa ukwandlala umfanekiso ongasemva emva komdlali okanye into. Ukusebenzisa obu buchule, umbandela unokubethelelwa phezu kwayo nayiphi na imvelaphi, ukuvumela abenzi befilimu ukuba benze imiboniso ngokuqhelekileyo engenakwenzeka ebomini bokwenyani.

Masingene kobu buchule ngakumbi kwaye sijonge ukuba ingasetyenziswa njani kwimveliso yevidiyo.

inkcazelo

Isikrini esiblue, okanye Isitshixo seChroma ngokwemigaqo yobugcisa, luhlobo lwe iziphumo ezizodwa kwividiyo nakwimveliso yeTV evumela abavelisi ukuba babeke umfanekiso omnye ngaphezu komnye. Esi siphumo sokubonwayo sihlala sisetyenziselwa imiboniso enabadlali abanxibelelana nemvelaphi yendalo okanye eyakhiweyo ebinokuthi ingenzeki okanye ibize kakhulu ukwenza ifilimu kwindawo. Abavelisi banokusiphumeza esi siphumo ngokudubula izinto ezingaphambili phambi kwemvelaphi eqaqambileyo neluhlaza okwesibhakabhaka, emva koko batshintshe isikrini esiblowu ngayo nayiphi na imeko yangasemva abayikhethayo.

Inkqubo ye ikroma keying iqala ngokuseta imvelaphi blue screen - ngokuqhelekileyo usebenzisa i Umva okhanyayo okhanyayo welaphu elizuba eligudileyo – apho umxholo ufilimiwe khona. Ngexesha lokwenziwa kwefilimu, zonke izinto ezivela kushicilelo lwevidiyo kufuneka zigqame ngokucacileyo ngokuchasene nemvelaphi eluhlaza. Ukuqinisekisa ukuba lo mahluko ucacile kwikhamera, kuyacetyiswa ukuba usebenzise imithombo yokukhanya emininzi ebekwe ngaphambili - nangasemva - umxholo ufotwa ukuze ungaphosi naziphi na izithunzi kumqolo oluhlaza ongasemva.

Nje ukuba umboniso bhanyabhanya ugqitywe, abavelisi banokusebenzisa inkqubo yesoftware ezinikeleyo yechroma ukwahlula kwaye basuse naziphi na iipixels ezingafunwayo kumboniso oluhlaza okhuselweyo - endaweni yawo ngeseti entsha yedijithali okanye imvelaphi abayikhethele iprojekthi yabo. Ngobu buchule, kuyenzeka ukuba abenzi beefilim bavelise ulandelelwano lweziphumo ezizodwa ezikholisayo ngaphandle kokufuna iindawo ezinexabiso eliphezulu amahlumelo okanye iiseti ezinkulu.

Iintlobo zeBlue Screen

Isikrini esiblue, kwaziwa njenge isitshixo se chroma okanye umbala keying, is a ukuvelisa emva ubuchule obusetyenziswa kwimveliso yevidiyo ukuhlanganisa imifanekiso emibini kunye. Umva oluhlaza (okanye ngamanye amaxesha oluhlaza) usetyenziswa ngasemva kumfanekiso omnye, kwaye nawaphi na amalungu angasemva avela emfanekisweni athi endaweni yawo afakwe amanye amaleko abekwe ngaphezulu. Abenzi befilimu abaziingcali kunye nabangabasafundanga basebenzisa isikrini esiluhlaza ukudibanisa iividiyo ezidutyulwe kwiindawo ezahlukeneyo zibe yindawo enye eyahlukileyo.

Umbala osetyenziselwa isikrini esiluhlaza ubalulekile; oku kubizwa chromakey. Iimibala ezahlukeneyo zidala amanqanaba ahlukeneyo obunzima xa kusenziwa umfanekiso. Ngaphandle kwezikrini eziluhlaza okwesibhakabhaka, izikrini ezininzi eziluhlaza ziye zaduma ngokunjalo. Uhlaza ngokwesiko luye lwathandwa ngenxa yomgama wayo ukusuka kwi-skittons kunye nezinye izinto eziqhelekileyo ezinokuthi ziphazame njengenxalenye yemvelaphi; nangona kunjalo umbala ofanelekileyo uya kuxhomekeka kwizinto ezinjengokukhanya, indlela yekhamera kunye nokunye.

Iindidi eziqhelekileyo zezikrini eziluhlaza ziquka:

• Chromakey Blue Screen Undoqo owenziwe ngeentonga zentsimbi ezigqunywe ngumgubo wenza indawo ebiyelweyo esemgangathweni epeyintwe ngepeyinti yethiyetha ebukekayo ebonisa umbala ozuba ongathathi hlangothi phantsi kwezibane zefilimu. Olu hlobo lwesikrini lubonelela ngeziphumo ezingundoqo zechroma xa usebenza kwiiseti zobuchwephesha kuba idala iimeko zokukhanya ezichanekileyo.
• Ilaphu Backdrops Ilaphu eliphathekayo langemva lenziwa ngamalaphu obunzima ohlukeneyo (ahlala e-muslin) kwaye abonelelwe ngokupeyintwayo, okanye sele epeyintwe kwangaphambili ngeemibala ezahlukeneyo kubandakanya i-chromakey blues shades efana nesibhakabhaka okanye iteal blues kunye nohlaza. Ezi zenza imvelaphi "kwindawo" iphathekayo ngaphandle kokuba zihlala zingenamibimbi kwaye zixhonywe ngokuchanekileyo nkqu nethoni.

Iingenelo zeBlue Screen

Itekhnoloji yesikrini esiluhlaza sisixhobo esidumileyo esisetyenziswa kwimveliso yevidiyo kwaye sinokunika uluhlu lweenzuzo ezahlukeneyo. Ivumela abenzi befilimu ukuba badibanise iifoti ezininzi kunye kwaye benze imiboniso entsonkothileyo, kunye nendawo enye emi kwiindawo ezininzi. Isenokusetyenziswa ukuzisa ubunzulu obungakumbi kwimiboniso kwaye inceda ukongeza imvakalelo yokwenyani kumboniso.

Makhe sijonge kwiinzuzo ezahlukeneyo zokusebenzisa isikrini esiluhlaza kwimveliso yevidiyo:

mvelaphi

Isikrini esiblue, kwaziwa njenge chroma keying, yindlela ephucukileyo yokudibanisa imifanekiso emibini okanye iividiyo ngokutshintsha umbala kumfanekiso omnye nomnye. Ngokusebenzisa umthunzi othile oluhlaza okwesibhakabhaka (okanye oluhlaza njengenye indlela), abenzi befilimu banokufaka umfanekiso kwimvelaphi yekliphu ngokulula. Ezona zicelo zixhaphakileyo zetekhnoloji yesikrini esiluhlaza-kuzo zombini iividiyo kunye nokufota-ziingxelo zemozulu, iindaba, kunye neziphumo ezikhethekileyo zemuvi. Inzuzo kunye nokuguquguquka kwetekhnoloji yesikrini esiluhlaza phantse ayinasiphelo; nayiphi na i-backdrop inokufakwa ngaphandle kwesidingo sokutyelela ngokomzimba okanye ukudala iisethi.

Ukusetyenziswa kolungiselelo lwesibane olungaguquguqukiyo lubalulekile xa usebenza ngeskrini esiluhlaza okanye esiluhlaza ngasemva, ukuze imibala esetyenziswe kumboniso wangaphambili ihlale ingaguquguquki kuyo yonke inkqubo yemveliso. Iiengile zekhamera kufuneka kwakhona kuthathelwe ingqalelo xa ukhetha indawo yemvelaphi yakho emanyeneyo; ukwahluka okuncinci kweendawo zekhamera kunokubangela ukufiphala okanye ukucaca komphetho ngenxa yezithunzi ezingafunekiyo kunye nokubonakaliswa kwifoto.

Ngokwahlula kunye nokwahlula into kwimvelaphi ekhuphisanayo, unokufezekisa umbono wokwenyani kuseti kwaye ushenxise iziphazamiso ezinokubakho kumxholo wakho ophambili. Isikrini esiluhlaza sixhasa zonke iintlobo zeekhamera zevidiyo ukusuka kwi-HD ukuya kwi-8K kwaye ikuvumela ukuba:

• Tshintsha imvelaphi ngokukhawuleza ngexesha lemveliso yeposi kunye nevidiyo entsha efotweyo;
• Sebenzisa imvelaphi erekhodiweyo eyenziwe ngaphambili kwimveliso yangaphambili.

Imiphumo ekhethekileyo

usebenzisa isikrini esiblowu xa udala iziphumo ezizodwa kuzisa inani leenzuzo kunye neenzuzo kwinkqubo yokuvelisa. Ngokususa imvelaphi yokudubula kwaye uyibuyisele nge-backdrop yedijithali, unokwenza iziphumo ezizodwa ezinokwenyani ezinokuthi zingenzeki ukubamba. Njengenye yeendlela eziphambili ezisetyenziswa kwiziphumo zokubonwayo, iinkqubo zesikrini eziluhlaza zenza ezona zithonga zintsonkothileyo zibonakale zilula ngelixa zisenza izinto ezibonakalayo ezikholelwayo ngomzamo omncinci.

Blue screen ikuvumela ukuba dibanisa imithombo emibini yemifanekiso kunye kwaye yongeze uyilo ngokuxuba izinto zehlabathi lokwenyani kumboniso okanye ukwazisa abalinganiswa abongezelelweyo okanye iiprops. Ikwasebenza njengendlela yokwenza ifilimu enomdla ngokukuvumela ukuba utshintshe ukusuka kwesinye isitofu uye kwenye ngoko nangoko ngaphandle kokwaphuka phakathi. Ukongeza, ubuchule bokuqulunqa usebenzisa abalawuli boncedo lwebluescreen ukwenza ubunzulu ngaphakathi kweeshoti ngokubabonelela ngokuguquguquka kokubeka izinto ezahlukeneyo kunye sebenzisa ii-engile zekhamera ezahlukeneyo.

Ngokuthatha inzuzo yenkqubela phambili yetekhnoloji efana iteknoloji yesikrini eluhlaza, abenzi befilimu banokuthatha imveliso yabo baye kwinqanaba eliphezulu ngelixa begcina ixesha kunye nemali echithwe kwiiseti eziqhelekileyo kunye neendawo. Izikrini eziluhlaza zinika abenzi befilimu inkululeko ethe kratya xa kuziwa ekudubuleni imiboniso entsonkothileyo apho abadlali banokuba nobunzima bokulawula indawo abahlala kuyo, okanye xa abalinganiswa abongezelelweyo okanye iipropu kufuneka zivele ngaphandle kokubakho emntwini ngosuku olumiselweyo.

Ukukhanyisa

Enye yeenzuzo eziphambili ekusebenziseni a isikrini esiblowu ukuveliswa kwevidiyo yindlela ukukhanya okusetyenziswa ngayo. Xa ukudubula ngesikrini esiluhlaza, umthombo oyintloko wokukhanya uvela emva komxholo. Oku kuphelisa izithunzi kwaye kuvumela ukubonakaliswa okungcono kweenkcukacha. Ukukhanya kwakhona kunceda ukugcina imibala idlamkile kwaye ichanekile, kunye nokwenza ipalethi yokukhanya engaguqukiyo kuyo yonke imiboniso kunye nokudubula.

Isixhobo sokhetho lokuseta olufana nesi ludla ngokuba yi Iphaneli ye-LED zixhonywe okanye zimi phezu kweentonga okanye iitrasi ukuze zibe nokukhanyisa nkqu nakweliphi na inqanaba elinokufuneka ngokuxhomekeke kwindawo. Ngokukwazi ukulungelelanisa i ubushushu bombala ngeejeli ezongezelelweyo kunye/okanye ukusasazwa, inika abenzi befilimu ukulawula ngakumbi malunga nendlela ukudubula ngakunye kujongeka ngayo kwiseti, ngokuchasene nokulinda de imveliso yeposi xa uhlengahlengiso lube nzima kakhulu.

Ukongeza, ngenxa yobume bayo bokuseta ukukhanya komthombo omnye apho ukwazi ukubona ngokucacileyo oko ukudubulayo ngexesha lokwenyani (ngokungafaniyo nezikrini eziluhlaza apho umbono onzulu unokonakala), ukudubula ngezikrini eziluhlaza kuye kwanda ukuthandwa kakhulu. imveliso yesitudiyo sohlahlo lwabiwo-mali ukusukela oko yaziswa kwiiseti zefilimu ngo-2013.

Ukuseta isikrini esiBlue

Uvavanyo oluluhlaza sisixhobo esixabisekileyo sokwenza imeko-bume onokuthi ubeke kuyo umxholo okanye into ethile kwimveliso yevidiyo. Ngobu buchule, unokubeka naluphi na uhlobo lomfanekiso okanye ikliphu yevidiyo ngasemva kwesihloko, ukuze udale iziphumo eziyinyani.

Ukuseta isikrini esiluhlaza kunokuba ngumceli mngeni, kodwa kunye ukuseta ekunene kunye nobuchule, uya kuba nakho ukwenza ividiyo ejongeka njengengcali. Makhe sijonge indlela yokuseta ngokufanelekileyo isikrini esiluhlaza:

Ukukhetha iSkrini sasekunene

Xa kuziwa ekusekweni kwesikrini esiluhlaza okwesibhakabhaka sokuveliswa kwevidiyo, ukukhetha uhlobo olufanelekileyo lwemvelaphi ngundoqo ukuze ufumane isiphumo esihle. Ngokuxhomekeke kuhlahlo lwabiwo-mali kunye neemfuno, unokhetho oluninzi.

Olunye uhlobo lwemvelaphi lubizwa ngokuba yi-a ilaphu elingundoqo lechroma. Lo ngumqolo oluhlaza okanye oluhlaza oqhele ukwenziwa ngevelvet okanye ngelaphu le-muslin elinokuxhonywa eludongeni okanye lixhonywe phezulu ngezitendi. Ilaphu lesitshixo sechroma alifuni kupeyintwa, kwaye libonelela ngokugutyungelwa komgangatho ogudileyo wokutshixa ngaphandle komthungo.

Kungenjalo, iimveliso ezininzi zikhetha imvelaphi epeyintiweyo. Ngokwesithethe ezi ziiflethi ezimbini (amacala eplywood eyenziwe ngefreyimu) exhonywe ngokuchaseneyo enye nemvelaphi oyikhethileyo ipeyintwe kumphezulu wazo. Ngelixa ezi mvelaphi zinokunika ulawulo oluthe kratya kwizinto zoyilo ngenxa yokuba uyakwazi ukupeyinta izinto ezithile kuzo, zifuna umsebenzi omninzi ngendlela yokulungiselela ukuveliswa kwangaphambili njengokucofa iikona kunye nokupeyinta yonke indawo ngokulinganayo (ngokukhethekileyo ngedayi eviolet. kwizikrini eziluhlaza kunye nedayi eluhlaza kwizikrini eziblue). Zikwathatha ixesha elide ukomisa phambi kokuba kuqale ukufotwa!

Enye inketho izikrini zomgangatho ophakathi -Amaphepha enziwe enziwe nge-chromakey eluhlaza okwesibhakabhaka asetyenziswa njengetyhubhu / intente ejikeleze italente yakho njengoko eqhuba ngokuchasene nesikrini esisemva kwawo-iziphumo ziyahluka kakhulu ngokuxhomekeka kubungakanani kunye neemeko zokukhanya kodwa ngokuqinisekileyo ziyanceda xa uzama ukufumana imiphetho ecocekileyo kumalungu ngaphakathi kwendawo yokufota. ngokukhawuleza!

Ekugqibeleni - ezinye izitudiyo zibonelela izikrini zedijithali blue / eluhlaza - oku kubandakanya ukudubula phambi kodonga olukhulu lwe-LED apho nawuphi na umbala okhethiweyo ukusuka eluhlaza okanye oluhlaza okwesibhakabhaka unokuqikelelwa kuwo njengoko kufuneka - oku kusetyenziswa rhoqo xa kusetyenzwa ngamaxesha amisiweyo apho ukupeyinta iiflethi kungenzeki. Kodwa khumbula ukuba ngenxa yokubonakaliswa kweendonga ze-LED, kunokubakho ingqwalasela eyongezelelweyo ethathelwe ingqalelo njengokuphepha ukubonakaliswa - zombini kwi-talente ye-wardrobe yokukhetha kunye nezicwangciso zokubeka ukukhanya!

Naluphi na ukhetho oluthathayo lukufanele; qinisekisa ukuba uyayivavanya ngocoselelo phambi kokuba uqalise ukufota okuyintloko – uqinisekise ukuba konke ukuchitheka okungafunwayo kususiwe okanye kubalwe ngako ngokufanelekileyo. Ngokucwangcisa ngononophelo, ukuseta owakho umva wesikrini esiluhlaza akufuneki kube ngumsebenzi onzima!

Ukukhanyisa iSkrini

Xa usebenzisa isikrini esiblowu kwimveliso yakho yevidiyo, ukukhanya okufanelekileyo kunye nokuxhoma kubalulekile ekufumaneni iziphumo ezilungileyo. Uya kufuna ukuba isikrini sikhanyise ngokulinganayo kwaye sikhululeke kuyo nayiphi na imibimbi okanye ukuqhekeka. Oku kunokwenziwa ngokudala i inkqubo yokukhanyisa yamanqaku amathathu.

• Ukuqala, beka izibane ezibini ezisisiseko macala omabini esikrini ukukhanyisa macala omabini ngokulinganayo.
• The ukukhanya kufuneka emva koko ibekwe ngqo phambi kwesifundo kwi-engile eyenza izithunzi kwaye iqaqambise iimpawu zazo ngokuchanekileyo.

Ukudala isangqa sekota yesithathu ejikeleze indawo kwakhona kunceda ukugcina umboniso ngaphandle komfanekiso, obangelwa zizibane zesitudiyo ezingakhange zithuliswe ngokufanelekileyo xa imidiya yedijithali isentsha kwividiyo. Xa yenziwe ngokuchanekileyo, obu buchule buya kuqinisekisa ukuba yonke into ekufutshane nekhamera ijongeka yendalo ngelixa ugxininise into engasemva kwayo - lonke ngelixa isonyusa ukuvezwa kwimiboniso ngomzamo omncinci!

Kusenokufuneka uhlengahlengise izibane esele zikhona okanye utshintshe iiglowubhu ukuba azinabala ngokwaneleyo lobushushu ukuze zitshatise isikrini sakho esiluhlaza ngokugqibeleleyo; oku kuqhelekile xa ukudubula kwimvelaphi eluhlaza njengoko iithowuni ezityheli zidla ngokugqama ngakumbi. Thatha ixesha ukuseta ukukhanya ngononophelo ngokugxila amanqaku ajolise njengoko oku kuya kuthintela nakuphi na ukukhanya okanye imiphetho engalinganiyo kwindawo yakho yangasemva!

Ukukhetha ikhamera efanelekileyo

Ngaphambi kokuba uqalise ukuseta isikrini esiluhlaza ukufaka imvelaphi yedijithali kwimveliso yakho yevidiyo, kubalulekile ukukhetha ikhamera elungileyo. Okokuqala, iikhamera ezibiza kakhulu zidla ngokunikezela ngoluhlu oluguquguqukayo olungcono, oluyimfuneko ekususeni ngokulula imvelaphi eluhlaza xa kusenziwa i-chroma keying. Xa uthelekisa iikhamera ezahlukeneyo, khangela ezineeCodecs ezibonelela ngomgangatho olungileyo womfanekiso okanye inkxaso ProRes or DNxHD/HR iifomathi zokurekhoda - njengoko ezi zilungele kakuhle ukubethelwa.

Xa udubula nge-DSLR okanye ikhamera engenasipili, seta ikhamera ukuba “cinema” Imo kwaye udubule RAW ifomathi ukuba ikhona - njengoko oku kuya kukunika eyona ndlela xa iChromakeying kwimveliso yasemva. Ngaphandle koko, Isisombululo se-UltraHD 4K ibonelela ngowona msebenzi ubalaseleyo kuba ivumela indawo eyongezelelekileyo yokunqampuna ngaphambi kokulahlekelwa sisisombululo.

Kukhetho lwakho lwelensi ufuna ukukhangela ezo zikwaziyo ukuhambelana notshintsho kwiimeko zokukhanya kodwa zivelise imvelaphi ehambelana kakuhle kunye nokuvezwa kwangaphambili. Umngxuma wokuvula kufuneka ulinganiswe T-Stop (ukulinganisa i-F-Stop + ilahleko yokukhanya ukusuka kwindlela ye-iris) njengoko izicwangciso zokuvezwa kufuneka zichaneke kakhulu; kungenjalo, ulungiso olongezelelweyo luya kufuneka ekuqhubeni umsebenzi. Qinisekisa ukuba ukhethe kwakhona i-lens ebanzi egquma indawo yomfanekiso opheleleyo wekhamera oyikhethileyo; ngale ndlela ungafumana elona dubulo likufutshane kunokwenzeka kwisifundo sakho ngokuchasene nomva-ngaloo ndlela ubonelela ngomsebenzi omncinci kwizitshixo zemveliso yeposi kunye nezisombululo zokufihla.

Ukuhlela iBlue Screen Footage

Umfanekiso weskrini esiluhlaza inokuba yindlela entle yokongeza imvelaphi kwimveliso yakho yevidiyo. Ikuvumela ukuba ungeze kwimiphumo ekhethekileyo kwaye wenze izigcawu ezingenakwenzeka ngeendlela zendabuko. Ukuhlela ividiyo yesikrini esiluhlaza kunokuba luqhinga kwaye kudle ixesha kodwa kunye ne ubuchule obuchanekileyo, unokwenza imveliso yokugqibela emangalisayo.

Makhe sihlolisise uyihlela njani imifanekiso yesikrini esiluhlaza ngokweenkcukacha:

Chroma Keying

Chroma keying bubuchule obukhethekileyo beziphumo zokuthunga iifoti zevidiyo ezimbini ezahlukeneyo kunye, ngokususa umbala othile ongasemva ngomfanekiso ongasemva wedijithali. Xa isetyenziswa kwimveliso yevidiyo, le nkqubo yotshintsho ibizwa ngokuba "Isikrini esiluhlaza" okanye "isikrini esiluhlaza" kuba imvelaphi yedijithali ethatha indawo yasemva kombala woqobo inokuba nalo naluphi na uyilo okanye umfanekiso owufunayo. Kwezinye iimeko, imvelaphi entsha inokuba nentshukumo kuyo.

Isitshixo sokuhlola iblue/green silele kwi umbala ogqibeleleyo umahluko phakathi koko kwadutyulwa ngqo kwaye yintoni eya kuba ngumfanekiso omtsha wedijithali. Ke xa uqala inkqubo yakho yokudubula isitshixo sechroma, zama ukukhetha umva wayo nayiphi na oluhlaza oqaqambileyo okanye oluhlaza okwesibhakabhaka -Imibala eya kukunika umahluko omkhulu ngokuchasene nolusu kunye nemibala yempahla yetalente / yezifundo kwikhamera ngelixa ikwabonelela ngoluhlu olwaneleyo lwetoni ukuze kungabikho bugcisa obungaqhelekanga benziwe xa usenza isitshixo sakho. Ziphephe izithunzi kwiscreen sakho esiluhlaza (ezendalo okanye esenziweyo) njengoko zinodaka kwindawo efakwe i-inki kwaye zenze imiphetho enzima-yokucoca ngexesha lokuhlela.

Ukudala isiphumo esiphezulu kunye nokwenyani ekuhleleni, khumbula ukuthwebula imifanekiso yabadlali bakho ngokuchasene ne isikrini esikhanyayo esiluhlaza okanye esiluhlaza ngokulinganayo ezibanika inqaku lobunzulu obunomlinganiselo wokwenyani wokusika phakathi komntu(abantu) okanye into(izinto) ngokuchasene nemvelaphi eyahlukileyo. Ukuba yonke into imiselwe ngokufanelekileyo kwi-chroma keying - ukukhanyisa yenye yezona zinto zibalulekileyo -akufuneki kuthathe ixesha elingaphezulu kuneliyimfuneko ukuguqula ngokutyibilikayo ukusuka ngasemva ukuya kwindawo yedijithali kwaye ubuye kwakhona ngexesha lokuhlelwa kwemveliso.

Ukulungiswa kombala

Nje ukuba ukwakhiwa kugqityiwe kwaye indawo ilungele ukunikezelwa, inyathelo elilandelayo lenkqubo yokuvelisa ividiyo ukulungiswa kombala. Ngexesha lokulungiswa kombala, umhleli wevidiyo uthatha izinto ezahlukeneyo zomfanekiso okanye ulandelelwano aze azihlengahlengise ukuze zihambelane nesitayile esimiselweyo okanye inkangeleko. Oku kubandakanya ukwenza naluphi na uhlengahlengiso oluyimfuneko kwi-hue, i-saturation, ukukhanya kunye nokuchasene.

kunye umfanekiso weskrini esiluhlaza, nangona kunjalo, kukho umaleko owongezelelweyo wokuntsokotha okongeziweyo kweli nyathelo njengoko isoftware kufuneka isetyenziswe kuzo zombini zodwa kwaye isuse umfanekiso wescreen oluhlaza kwimvelaphi ekhoyo kwaye iwutshatise nayo nayiphi na into engasemva eyabelwe ngaphambili okanye umfanekiso.

The eyona nto ibalulekileyo xa kuziwa kumbala wokulungisa izikrini eziluhlaza kukuqinisekisa ukuba zonke izinto eziyimfuneko zihambelana ngokufanelekileyo enye kwenye. Oku kuquka ukulungelelanisa ngesandla into nganye - nokuba bubuso bomdlali okanye isinxibo - ukuze idibane neethowuni ezinemvelaphi entsha ngaphandle komthungo. Ukongeza, kunokubakho iziphumo ezithile ezifunekayo ngokuxhomekeke kwindlela eneenkcukacha ngayo indawo enje ngale:

• ukongeza izithunzi
• imiboniso yezinto ezisebenzisana nemigangatho eqinile njengemigangatho okanye iindonga.

Ukuqinisekisa ukuba iscreen sakho esiluhlaza sijongeka sinyanisekile xa sithelekisa imvelaphi esele ikhona kunye nezinye izinto zesikrini ezifana nabadlali beqonga kunye neeprops, chitha ixesha elongezelelweyo ulungisa umaleko ngamnye de ufumane into nganye ilungelelene ngokugqibeleleyo kunye nokusingqongileyo kunye noontanga bayo.

Ukongeza iimpembelelo ezikhethekileyo

Ukongeza iziphumo ezikhethekileyo kwiscreen sakho esiluhlaza yenye yezona ndlela zinomdla kwaye zicela umngeni ekusebenziseni obu buchule kwimveliso yevidiyo. Imiboniso emininzi yesikrini eluhlaza kunye neluhlaza okwesibhakabhaka iya kufuna iiseti ezicacileyo ezineepropu ezihambayo kunye nokuseta izibane ezininzi, umzekelo.

Ukufezekisa iziphumo ezintsonkothileyo zembonakalo kunokufuna isoftware ekhethekileyo efana Adobe Emva kweempembelelo or Nuke Studio. Ukongeza ekuvumeleni ukuba wenze iziphumo zokubonwayo eziphucukileyo, ezi nkqubo zinokusetyenziselwa ukulungiswa kombala, ukudibanisa kunye neminye imisebenzi yokuhlela.

Enye inkalo ephambili yokudala isikrini esiluhlaza okanye esiluhlaza sichanekile Ukufotokopa-inkqubo yokudala i-matte okanye itshaneli yealpha ejikeleze umdlali ukuze badibane kumfanekiso ongasemva ngaphandle komthungo. Lo ukholisa ukuba ngumsebenzi onzima kuba ufuna ukulandelela yonke isakhelo semifanekiso ngesandla. Ngethamsanqa, enye isoftware yokuvelisa ividiyo ephucukileyo izakhono ze-rotoscoping ezizenzekelayo enokusetyenziswa ukukhawulezisa le nkqubo kakhulu.

Ukwenza iziphumo ezinomtsalane ngokwenene usebenzisa izikrini eziluhlaza okanye eziluhlaza, kubalulekile ukuba utyale ixesha elaneleyo uvavanyo izithonga ozifunayo kwiimeko ezahlukeneyo zokujonga ngaphambi kokuba ukudubula kuqale. Ukuba uqinisekisa ukuba ukujonga okufunwayo kokugqibela kuphunyeziwe ngexesha lokuveliswa kwangaphambili ke amathuba okuba imveliso yasemva iya kuba lula kwaye isebenze ngakumbi!

isiphelo

Ukusetyenziswa isikrini esiluhlaza sokuvelisa ividiyo sisixhobo esiluncedo kakhulu ekudaleni imifanekiso eyinyani kunye nemiboniso kwividiyo. Ivumela abavelisi ukuba bongeze iziphumo ezizodwa kwaye wenze ividiyo ibe nomdla ngakumbi. Isikrini esiluhlaza sinokwenza imvakalelo yobuchwephesha kwividiyo ngelixa uvumela abavelisi ukuba bongeze inkangeleko ekhethekileyo kwindawo.

Ngokusetyenziswa ngokufanelekileyo kunye nokucwangcisa, isikrini esiluhlaza sinokuba sisixhobo esiluncedo kakhulu kwinkqubo yokuveliswa kwevidiyo.

isishwankathelo

Ukuququmbela, isikrini esiluhlaza okanye iteknoloji yesikrini esiluhlaza iye yavula amasango ezikhukula ukwenzela ukuveliswa kweevidiyo. Ukusetyenziswa kwemvelaphi elula kunokubonelela ngokuguquguquka okukhulu ekudaleni izithonga ezikholisayo kunye nembonakalo emangalisayo. Ngelixa ukusebenzisa itekhnoloji kunokubonakala kunzima ekuqaleni, ngamanyathelo ambalwa onokuthi wenze iziphumo zomgangatho wobuchwephesha eziza kuzisa iiprojekthi zakho ebomini.

Kubalulekile ukukhumbula ukuba a okusingqongileyo okukhanyiswe kakuhle ngundoqo Ukufumana isiphumo ngokufanelekileyo-kungenjalo uya kube ubona ingxolo engaphezulu kunomfanekiso. Ukulungiselela nako kungundoqo, oku kuthetha ukuzilungiselela ngokomzimba nangokwengqondo. Qiniseka ukuba khanyisa imvelaphi yakho ngokulinganayo kwaye uqonde xa isebenza ngcono kwiishoti zeziphumo ezizodwa. Xa isetyenziswe ngokufanelekileyo, isikrini esiluhlaza (okanye isikrini esiluhlaza) siya kuzisa eyona mveliso igqwesileyo yobuchule bakho kwaye wenze ingxelo kuyo nayiphi na iprojekthi yokuvelisa ividiyo- nokuba inkulu okanye incinci.

Resources

Nokuba usaqala ukuvelisa ividiyo okanye ungumsebenzisi onamava ngakumbi, zininzi izixhobo zokukunceda ufunde ukusebenzisa isikrini esiluhlaza ngokufanelekileyo. Nazi ezinye iincwadi eziluncedo kunye neevidiyo zokuqalisa:

• iincwadi:
  • IiTeknikhi zoMveliso zeBlue Screen nguJonathan Turner
  • UkuKhanya kweBlue Screen kwiFilimu kunye neVidiyo nguPeter Stewart
  • Ukusebenzisa i-Blue Screen kunye ne-Green Screen Techniques kwiMveliso yeVidiyo nguDang White
• Videos:
  • Iingcebiso eziPhezulu zeBlue & neGreen Screen kunye noScott Strong (Premiumbeat)
  • Ukususa izinto ezingafunwayo kwiBlue Screen kunye no-Alan Leibovitz (Premiumbeat)
  • Ungazifumana njani iziphumo zeSkrini eziBlue/eziluhlaza (I-Rocketstock)
  • Iingcebiso zokudubula kwi-Chromakey Setting (Umenzi weVidiyo YouTube Channel).

Molo, ndinguKim, umama kunye nomthandi we-stop-motion onemvelaphi kwindalo yemidiya kunye nophuhliso lwewebhu. Ndinothando olukhulu lokuzoba kunye noopopayi, kwaye ngoku ndintywila kuqala kwihlabathi le-stop-motion. Ngebhlog yam, ndabelana nawe ngokufunda kwam.