LOG Gamma nkhaus - S-log, C-Log, V-log thiab ntau dua ...
Yog tias koj kaw video koj yuav tsis tuaj yeem kaw tag nrho cov ntaub ntawv. Ntxiv nrog rau cov duab digital compression, koj kuj poob ib feem loj ntawm cov spectrum los ntawm cov muaj teeb.
Qhov ntawd tsis yog ib txwm pom meej meej, koj pom nws tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej nrog qhov sib txawv siab hauv lub teeb pom kev zoo. Tom qab ntawd ua yeeb yaj kiab nrog LOG Gamma profile tuaj yeem muab kev daws teeb meem.
LOG Gamma yog dab tsi?
Lub sij hawm LOG los ntawm lub logarithmic nkhaus. Hauv kev txhaj tshuaj ib txwm, 100% yuav dawb, 0% yuav dub thiab grey yuav yog 50%. Nrog LOGO, dawb yog 85% grey, grey yog 63% thiab dub yog 22% grey.
Yog li ntawd, koj tau txais ib daim duab nrog qhov sib piv me me, zoo li yog tias koj tab tom saib los ntawm lub teeb ntawm huab cua.
Nws tsis zoo li cov ntaub ntawv nyoos, tab sis lub logarithmic nkhaus tso cai rau koj sau ntau ntau ntawm gamma spectrum.
Koj siv LOG rau dab tsi?
Yog tias koj hloov kho ncaj qha los ntawm lub koob yees duab mus rau qhov kawg tshwm sim, kev ua yeeb yaj kiab hauv LOG yog tsis siv. Koj tau txais ib daim duab faded uas tsis muaj leej twg yuav nyiam.
Ntawm qhov tod tes, cov khoom siv txhaj tshuaj hauv LOG hom yog qhov zoo tagnrho rau kev kho kom zoo hauv cov txheej txheem kho xim thiab kuj muaj ntau yam nthuav dav hauv qhov ci.
Vim tias koj muaj ntau yam kev hloov pauv ntau ntawm koj qhov kev pov tseg, koj yuav plam cov ntsiab lus tsawg dua thaum kho xim. Kev ua yeeb yaj kiab nrog LOG profile tsuas yog muaj txiaj ntsig yog tias daim duab muaj qhov sib txawv siab thiab ci ntsa iab.
Txhawm rau muab piv txwv: Nrog tus qauv nthuav tawm studio scene lossis chroma-qhov tseem ceeb nws yog qhov zoo dua los ua yeeb yaj kiab nrog tus qauv profile dua li S-Log2 / S-Log3 profile.
Koj sau li cas hauv LOG?
Ib tug xov tooj ntawm manufacturers muab koj cov kev xaiv rau zaj duab xis nyob rau hauv LOG ntawm ib tug xov tooj ntawm (high-end) qauv.
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
Tsis yog txhua lub koob yees duab siv tib LOG qhov tseem ceeb. Sony hu nws S-Log, Panasonic hu nws V-Log, Canon hu nws C-Log, ARRI kuj muaj nws tus kheej profile.
Txhawm rau pab koj, muaj ob peb LUTs nrog cov profiles rau ntau lub koob yees duab uas ua kom kho thiab kho xim yooj yim dua. Nco ntsoov tias nthuav tawm Log profile ua haujlwm txawv dua li tus qauv (REC-709) profile.
Nrog S-Log, piv txwv li, koj tuaj yeem overexpose 1-2 nres kom tau txais cov duab zoo dua (tsawg suab nrov) tom qab tom qab kev tsim khoom.
Txoj hauv kev kom nthuav tawm LOG profile nyob ntawm lub hom, cov ntaub ntawv no tuaj yeem pom ntawm lub koob yees duab lub vev xaib.
Yog tias koj xav kom tau txais txiaj ntsig zoo tshaj plaws ntawm koj cov ntaub ntawv kaw, kev ua yeeb yaj kiab hauv LOG hom yog qhov kev xaiv zoo tshaj. Koj yuav tsum tau npaj los kho cov duab tom qab, uas pom tseeb yuav siv sijhawm.
Nws tuaj yeem muaj txiaj ntsig ntxiv rau ib qho (luv luv) zaj duab xis, video clip lossis coj mus muag. Nrog rau lub studio kaw lossis xov xwm tshaj tawm nws yuav zoo dua kom tshem nws thiab ua yeeb yaj kiab hauv tus qauv profile.
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.
