Hromakey - ib tug txheej txheem ntawm combining ob los yog ntau tshaj dluab

Nyob rau hauv lub era ntawm tshwj xeeb video chaw nyob rau hauv lub entertainment media, nrog rau cov video blogs, muaj tswv yim neeg ua hauj lwm nyob rau hauv no kev taw qhia, muaj kev txhawj xeeb hais txog qhov zoo ntawm cov duab. Filming rau lub ntuj tom qab yog tsis ib txwm tsim nyog, thiab decorations ntau lawm - kim heev thiab lub sij hawm siv ua hauj lwm. Nws yuav pab kom daws tau qhov teeb meem hromakey technology - ib tug txheej txheem uas tso cai rau koj mus muab ob los yog ntau tshaj ntas los yog dluab nyob rau hauv ib pes tsawg leeg. Txawm li cas los, tsis yog txhua txhua novice videomakers paub yuav ua li cas mus ua hauj lwm nrog no cov nyhuv, txij li thaum ntev los no nws tau siv tsuas yog rau cov TV thiab kev video projects. Yuav ua li cas siv hromakey technology thiab yog vim li cas nws yuav siv xwb ntsuab keeb kwm yav dhau?

Hromakey: Basic Principles

Nyob rau hauv lus Askiv lub sij hawm Chroma tseem ceeb lus txhais tau tias "xim qhov tseem ceeb". Yog hais tias tsim nyog, lub creation ntawm cov zaj duab xis los yog video qhov chaw uas yuav tsis muaj nyob rau hauv ib puag ncig ntuj, lub shooting tshwm sim tiv thaiv lub keeb kwm ntawm rear-screen, uas yog ces nyob rau lub duab kawg yuav tau hloov los ntawm lub installation rau cov kev kawm qhov chaw. Yog vim li cas yog feem ntau siv xiav los yog ntsuab keeb kwm yav dhau? Lub fact tias cov xim muaj tsawg kawg yog yuav muaj nyob rau hauv lub khaub ncaws, thiab cov uas tuav xiav los yog ntsuab plaub hau sib ntsib nyob rau teem txawm ntau nyuaj. Yog hais tias cov khaub ncaws los yog khoom yuav phim cov xim ntawm lub screen rau ib tug mounted video lawv yuav tsum pob tshab, uas yuav yeej cuam tshuam rau cov video zoo.

Hromakey nyob rau hauv zaj duab xis

Niaj hnub no ib tug yuav tsis yog nrhiav tau ib tug neeg uas tsis tau pom ib zaug xwb zaj duab xis, uas yuav siv sij hawm qhov chaw nyob rau hauv ib tug nyob deb galaxy, mysterious deserts thiab tej yam yees siv forests. Cov chaw nyob rau hauv lub ntiaj teb no tiag yuav nrhiav tsis tau, yog li ntawd nyob rau hauv xws li mob hromakey - ib tug tiag tiag txoj kev cawm seej. Lam ua tawm ib tug scene nyob rau hauv ib chav tsev nrog phab ntsa kiag curtained rear-screen ntsuab los yog xiav. Cov neeg ua haujlwm nyob rau hauv lub shooting cheeb tsam, uas yog tsim nyog los pab tus lam nyob rau hauv lub scene, tab sis tsis tau txais mus rau hauv lub kawg daim duab, hnav tshwj xeeb costumes rau qhov kev tshuaj ntsuam xim. Ntawm cov hoob kawm, kiag li tsis muaj decorations tsis muaj nqi, tsis muaj ib tug zaj duab xis, tab sis thaum shooting sib ntaus sib tua scenes thiab fights, piv txwv li, cov nyhuv hromakey indispensable - tus tuav lub mloog yog diverted spectacular stunt kev ua los yog lam, yog li nws tsis pom ib tug "dav hlau" tom qab.

Hromakey thiab TV

Muaj tseeb txhua leej txhua tus uas tau puas tau pom cov xov xwm TV kev pab cuam, paub hais tias tom qab cov hlau lead yog feem ntau nthuav thiab zoo nkauj tom qab. Hromakey no yuav pab neeg coob pab neeg, ua mundane ua hauj lwm chav tsev stylish. Nws yog nthuav tias qhov zoo-paub New Year qhov chaw nyob ntawm Thawj Tswj Hwm ntawm Lavxias teb sab Federation, dhau lawm, yog tsis muab tshem tawm nyob rau hauv lub "huab cua ntshiab" nyob rau hauv lub keeb kwm yav dhau ntawm lub Kremlin, thiab nyob rau hauv lub chav tsev nrog rau tag nrho cov tib technology. Tus thawj xyoo tshiab qhov chaw nyob ntawm Thawj Tswj Hwm V. V. Putina nyob rau hauv no txoj kev yog cia nyob rau hauv 2000 - twb qub lub taub hau ntawm B. N. Eltsin cia tawm tsam lub backdrop ntawm lub interiors ntawm nws qhov chaw nyob.

Hromakey nyob rau hauv videobloginge

Tam sim no hromakey - nws tsis yog tsuas yog ib tug cinematic thiab TV txais tos. Muaj ntau muaj kev vam meej videomakers, faib nws tej hauj lwm rau YouTube, tau ntev tau ntse siv rau nws cov nyhuv clips. Txawm li cas los, novice bloggers yeej tsis cleverly tswj raws li ib tug kev tshuaj ntsuam, thiab nrog rau cov installation, ua qhov teeb meem muaj nyob rau hauv tus ncej "tshab". Nyob rau hauv thiaj li yuav ua tiag tiag high-quality video, koj yuav tsum tau tsis tsuas "ntsuab hromakey" raws li nws yog hu ua incorrectly hluas videomakers (nyob rau hauv qhov tseeb nws yog hu ua rear-screen), tab sis kuj cov kev txawj ntse ntawm txoj kev shooting thiab editing. Feem ntau rau tej missteps nyob rau hauv lub siv ntawm no ua hauj lwm, beginners bloggers criticized los ntawm lub siab tshaj "lug txhawb cov miv". Paub yutyuber Andrey Nifodov rau ob peb xyoo tam sim no tshem tawm kev xyuas txog cov tub ntxhais lovers qhia tawm rau hauv internet. Nws yog nthuav tias Andrew nws tus kheej tau ntev tsis kam mus chromakeying, preferring mus hais lus tawm tsam ib tug homelike ib puag ncig. Qhov no yog vim li - ib tug complex installation tsuas tiv thaiv "pipeline" ntawm video ntau lawm.

Hromakey nyob rau hauv cov duab

Hromakey - ib tug tiag tiag godsend tsis yog rau bloggers thiab TV. Kev pab txog siv no technology rau cov duab uas yuav tsum tom qab ua tiav nyob rau hauv qhov kev pab cuam editor. Studio tsis tau tsuas yog siv lub screen mus ua hauj lwm nrog, tab sis kuj koom nyob rau hauv lub qhov muag ntawm tshwj xeeb cov khoom, yuav pab tau lug txhawb cov miv yuav tom qab rau tej shootings. Nyob rau hauv lag luam muaj raws li yas thiab ntaub ntxaij vab tshaus ntawm tag nrho cov ntau thiab tsawg pab, li ntawd, ua ntej koj yuav nws yog txiav txim siab qhov twg yuav tsum tau nyob rau hauv lub keeb kwm yav dhau.

Installation nyhuv hromakey

Tag nrho cov paub cov kev pab cuam rau installation vidorolikov muaj ib tug zaub mov thiab txawm ib tug ntau yam ntawm cov kev xaiv kev ua hauj lwm nrog cov nyhuv hromakey. Cov feem nrov thiab dav siv cov kev pab cuam rau video ua yog nyob deb ntawm cov Tom qab los thiab Sony Vegas. Ua ntej koj yuav download tau no software kim thiab hnyav, yuav tsum xav txog qhov yooj yim installation kev txawj ntse, raws li txwv tsis pub muaj yog ib lub caij nyoog pov zoo nyiaj tom qab phem - tsis yog txhua txhua cov yam ntxwv nyob rau hauv cov khoos kas no intuitive. Yog hais tias cov nyhuv hromakey siv rau photography, lub editing ntawm cov dluab haum kev pab cuam tsev av Photoshop thiab Corel Photopaint. Lub complexity ntawm installation thiab editing yog tias cov duab zoo tshaj plaws tej yam ntuj tso. Qhov no ua yuav siv sij hawm lub sij hawm, tshwj xeeb tshaj yog thaum nws tawm los rau cov yeeb yaj duab, ces nws yog tsim nyog ib tug ntau ntawm kev ua siab ntev thiab concentration, tuaj mus rau ib tug zoo tshwm sim.

Txawm tias cov teeb meem txuam nrog rau ib cov nyhuv hromakey, thaum lub caij no technology yog ib qho tseem ceeb lub cuab tam rau ib tug loj tus naj npawb ntawm muaj tswv yim neeg thiab pab ua ke. Tshwm nyob rau hauv lub 90 xyoo ntawm lub thib nees nkaum xyoo pua, hromakey tseem siv nyob rau hauv txhua tshooj TV cov kev pab cuam, TV series, movies, music yeeb yaj duab thiab lwm yam yeeb yaj duab. Txawm li cas los, muaj peev xwm mus rau Mount ib tug zoo footage - ntau npaum li ib feem ntawm muaj tswv yim ua hauj lwm, thiab peb yuav tsum tsis txhob hnov qab hais tias tsis muaj cunning tricks yuav cawm tsis tau cov video txiag los yog yees duab uas tsis muaj peev xwm nyob rau hauv lawv lub teb. Cuaj kaum, tus nrhiav tau ntawm rear-screen - ib tug loj thiab tseem ceeb kauj ruam rau kev vam meej nyob rau hauv yuav luag txhua daim ntawv ntawm kos duab.