Hromakey - a ubuchule yokudibanisa imifanekiso ezimbini okanye ngaphezulu

Xa ixesha ethandwayo yevidiyo ezizodwa kumajelo zokuzonwabisa, kuquka ividiyo blog, abantu zobuchule ukusebenza kweli cala, baxhalabile malunga nomgangatho mfanekiso. Eqhuba kwisiqalo yendalo akusoloko kufanelekile, kwaye imveliso imihombiso - iyabiza kwaye nexesha elininzi msebenzi. Kuyanceda ukusombulula iteknoloji ingxaki hromakey - njengobuchule ekuvumela ukuba ukudibanisa ezimbini okanye ngaphezulu izakhelo okanye imifanekiso a kuqamba. Noko ke, asingabo bonke videomakers mafikizolo akwazi ukusebenza njani na oku, ekubeni kutshanje ukuba kusetyenziswa kuphela ngenxa kamabonakude kunye neeprojekthi zobungcali yevidiyo. Indlela yokusebenzisa ubugcisa hromakey yaye kutheni isebenzisa nje imvelaphi eluhlaza?

Hromakey: siseko

In IsiNgesi isitshixo chroma gama lithetha "iqhosha umbala". Ukuba kuyimfuneko, ukudalwa kwiindawo bhanyabhanya okanye wevidiyo ukuba akafumaneki kwi-bume yendalo, lo ukudubula kwenzeka ngokuchasene nentsukaphi ngasemva-screen, nto leyo ke ngoko kwi kumfanekiso wokugqibela siya kutshintshwa nge ufakelo kwindawo oyifunayo. Kutheni ezininzi eziqhele ukusetyenziswa imvelaphi blue okanye eluhlaza? Into yokuba ezi imibala kungenzeka ubuncinane ukuba kufunyanwa iingubo, kwaye abanini ngemisonto okanye eluhlaza ahlangane iinwele ezichazwe kubenzima ngakumbi. Ukuba iimpahla okanye izixhaso kuzakutelekisa umbala wekhusi kwi ividiyo enyusiweyo baya kuba ngaphaya, ngokuqinisekileyo kuya kuchaphazela umgangatho yevidiyo.

Hromakey in ifilimu

Namhlanje omnye Kunzima ukufumana umntu akazange alibone eyodwa umboniso, nto leyo ethatha indawo Galaxy elikude, intlango twi kunye namahlathi zobugqi. akafumaneki Ezi zindawo ndikhulile, ukuze ukuba kwiimeko ezinjalo hromakey - usindiso ngokwenene. Kubadlali badlale bulinganisa lomboniso kwigumbi ngeendonga curtained ngokupheleleyo ngasemva-screen eluhlaza okanye oluhlaza. Abasebenzi kwindawo ukudubula, apho kuyimfuneko ukuncedisa abadlali kule ndawo, kodwa akazange ukungena umfanekiso lokugqibela, banxibe izinxibo ezikhethekileyo for umbala wekhusi. Kakade ke, akukho imihombiso ngaphandle kweendleko, akukho umboniso omnye, kodwa xa ngokudubula imifanekiso emfazweni kunye nokulwa, umzekelo, isiphumo hromakey edlalwa - ingqalelo kumboniseli iya buyisela izenzo zithutha mihle okanye abadlali, ngoko akafane abone "moya" imvelaphi.

Hromakey and TV

Ngokuqinisekileyo wonke umntu wakha wabukela inkqubo iindaba zeTV, phawula ukuba emva bakhokela idla imvelaphi umdla nobumnandi. Hromakey apha kunceda iqela crew, ukwenza igumbi umsebenzi nikhetha stylish. Kunika umdla ukuba idilesi ye ezaziwayo-kakuhle New Year ngayo njengoMongameli Russian Federation, kakhulu, singesuki kwi "umoya" kwi imvelaphi yesicelo, yaye egumbini yonke ubuchwepheshe efanayo. Idilesi lokuqala New Year ngayo uMongameli V. V. yasePutina ngale ndlela yenziwa 2000 - waba intloko sele owayesakuba B. N. Eltsin ezifotwe sizoku lwisana na ngaphakathi lokuhlala kwakhe.

Hromakey in videobloginge

Ngoku hromakey - ayikho nje ulwamkelo cinematic kunye nomabonakude. videomakers ezininzi ezibe yimpumelelo, ebabela imisebenzi yakhe on YouTube, kudala esisetyenziselwe omfisha yayo ukusebenza ngempumelelo. Noko ke, Blogger abo basandula kuqalisa azisoloko zilawulwa bawo njengomkhusane, kwaye ngofakelo, ngokwenza daba ke kwisakhelo "transparent". Ukuze wenze ngokwenene ezikumgangatho ophezulu yevidiyo, kufuneka nje kuphela "hromakey eluhlaza" njengoko ibizwa ngokuba videomakers abaselula engeyiyo (enyanisweni ibizwa ngokuba lingena-screen), kodwa kwakhona izakhono lokudubula olululo kunye nohlelo. Amaninzi ukuba kubekhona ngokusetyenziswa koku, wabaqalayo Blogger wagxeka yi "oogxa" phambili ngakumbi. Eyaziwa yutyuber Andrey Nifodov iminyaka eliqela ngoku kususa ukubuyekeza abathandi abaselula kubonisa ngaphandle kwi-intanethi. Okubangel 'umdla kukuba uAndreya ngokwakhe kudala wala chromakeying, wakhetha ukuthetha ngokuchasene nemeko yendawo homelike. Oku akothusi - ufakelo esimbaxa kunqanda kuphela "yombhobho" kwemveliso yevidiyo.

Hromakey imifanekiso

Hromakey - a oyinto wokwenene kungekhona nje Blogger kunye TV. Abafoti sebenzisa iteknoloji imifanekiso eziya kuthi kamva kusingathwa kumhleli program. Studio kuphela ukusebenzisa ikhusi ukuba ukusebenza, kodwa benza ekuthengisweni kwezixhobo ezizodwa, kunokunceda nabo ukuthenga yangasemva nokudubula ezinjalo. In ngokorhwebo ezikhoyo njengoko zeplastiki kunye nelaphu screens zabo bonke ubukhulu, ngoko ngaphambi kokuba uthenge ngayo isigqibo uya khona apho imvelaphi.

Ukufakwa effect hromakey

Zonke iinkqubo eyaziwa ngokuba ufakelo vidorolikov unalo i menu kwaye uluhlu iindlela zokusebenza kunye nefuthe hromakey. Iinkqubo ethandwa kakhulu futhi esisetyenziswa ngokubanzi processing zevidiyo wayengoyena Emva Iziphumo kunye Sony Vegas. Phambi kokuba download le software iyabiza kwaye inzima, umele ukuba uqwalasele izakhono ezisisiseko ufakelo, njengokuba kungenjalo kukho ithuba lokuphosa imali entle emva embi - hayi zonke iimpawu kwezi nkqubo kube mnandi. Ukuba hromakey isiphumo yasetyenziswa ukufota, wokuhlela lwemifanekiso inkqubo efanelekileyo Adobe Photoshop kunye Corel Photopaint. Ukuntsonkotha Ufakelo nokuhlela kukuba umfanekiso ukhangela zendalo kakhulu. Eli processing kuthatha ixesha, ingakumbi xa kufikwa iividiyo, ngoko ke uxabisa umonde kunye nengqwalaselo, ukuze bafikelele result qualitative.

Ngaphandle kobunzima ezinxulumene ne hromakey ukusebenza, ngalo mzuzwana obu bugcisa sisixhobo kubalulekile ukuba inani elikhulu labantu zobuchule kunye namaqela. Ukubonakala kule minyaka 90 zenkulungwane yamashumi amabini, hromakey isasetyenziswa nangoku iinkqubo phantse yonke umabonwakude, series kumabonwakude, eshukumayo, iividiyo umculo nezinye neevidiyo. Noko ke, ukukwazi ezakunyuka kuzimele umgangatho - kangangoko njengenxalenye yomsebenzi bokuyila, kwaye asifanele silibale ukuba akukho amaqhinga wengcibi bangabasindisi nokubasindisa nomenzi yevidiyo okanye umfoti ngubani na nobuchule intsimi yabo. Sekunjalo, ukufunyanwa angasemva-screen - linyathelo elikhulu kwaye ebalulekileyo kwimpumelelo phantse naluphi na uhlobo lobugcisa olubonakalayo.