Video: Kho dov shutter txhais li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Rolling shutter kho yog ib tsev neeg ntawm cov tswv yim rau tshem tawm cov duab warping uas tsim los ntawm intra-frame lub koob yees duab suab. Cov koob yees duab siab kawg siv CCD (Charged Coupled Device) sensors, uas muaj lub ntiaj teb shutter (GS). Hauv GS lub koob yees duab txhua pixels ntawm CCD sensor tau nyeem tawm thiab rov pib dua ib txhij.
Khaws qhov no hauv kev xav, dab tsi ua rau dov shutter?
Rolling shutter skew tsuas yog qhov tshwm sim ntawm qhov nrawm ntawm lub thav duab scanned thiab ntes ntawm CMOS sensor. Tsis zoo li thoob ntiaj teb shutters , uas ntes tag nrho cov ncej tag nrho ib zaug, a dov shutter yuav luam theej duab thav duab los ntawm sab saum toj mus rau hauv qab, tawm hauv chav rau pom artifacting nyob rau hauv tus ncej.
Ib yam li ntawd, dov shutter zoo li cas? Rolling shutter yog ib txoj kev ntawm cov duab capture nyob rau hauv uas ib tug tseem duab (nyob rau hauv ib tug tseem lub koob yees duab) los yog txhua thav duab ntawm ib tug yees duab (nyob rau hauv ib tug yees duab yees) yog ntes tsis yog los ntawm kev noj ib tug snapshot ntawm tag nrho cov scene ntawm ib tug instant nyob rau hauv lub sij hawm tab sis theej los ntawm scanning. hla lub scene sai, xws li vertically lossis horizontally.
Ntawm no, hluav taws xob dov shutter yog dab tsi?
Cov hauv paus. Feem ntau CMOS duab sensors (kom txuag tau ib qho transistor ib lub xov tooj ntawm tes piv rau qhov tseeb "snapshot" shutter ) siv Electronic Rolling Shutter . Yeej nws siv ob lub pointers rau sensor pixels, ob qho tib si mus rau tib kab-scan txiav txim hla lub sensor, Ib qho yog lwv pointer, lwm qhov - nyeem ntawv.
Dab tsi yog dov shutter hauv Final Cut Pro?
Koj tuaj yeem ua kom lub ntsej muag tsis xis nyob los ntawm kev kho qhov stabilization, dov shutter , los yog ob leeg. Lub stabilization feature nyob rau hauv Final Cut Pro txo lub koob yees duab cov lus tsa suab hauv koj cov yeeb yaj kiab kom qhov chaw tshee tuaj yeem ua si rov qab zoo dua. Kev txiav kawg Pro muaj ib dov shutter feature uas yuav txo tau cov lus tsa suab distortion.
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