Video: Dab tsi yog aliasing hauv video?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Aliasing yog tus cwj pwm los ntawm kev hloov pauv ntawm cov zis piv rau qhov qub teeb liab vim tias resamplingorinterpolation ua rau muaj kev daws teeb meem qis dua hauv cov duab, aslowerframe tus nqi nyob rau hauv cov nqe lus ntawm yees duab los yog qis dua waveresolution inaudio. Anti- npe Cov ntxaij lim dej tuaj yeem siv los kho qhov teeb meem no.
Kuj lo lus nug yog, dab tsi ua rau aliasing?
Aliasing tshwm sim thaum twg qhov kev siv ntawm discreteelements mus ntes los yog tsim ib tug nruam teeb liab ua rau zaus tsis meej pem. Spatial npe , tshwj xeeb ntawm angularfrequency, tuaj yeem tshwm sim thaum rov tsim lub teeb pom kev zoo lossis lub suab nrov nrog cov ntsiab lus tsis sib xws, xws li hauv 3D qhia orwave teb synthesis ntawm suab.
Ib tug kuj yuav nug, dab tsi yog aliasing thiab yuav ua li cas zam tau? Anti- Aliasing [kho kom raug] Ib feem ntawm lub teeb liab lossis lub suab nrov uas siab dua ib nrab ntawm tus nqi piv txwv yuav ua rau npe . Inorder rau zam Qhov teeb meem no, lub teeb liab analog isusuallyfiltered los ntawm ib tug tsawg pass lim ua ntej yuav coj mus kuaj, thiab nofilter yog hu ua ananti- npe lim.
Hais txog qhov no, koj txhais li cas los ntawm aliasing effect?
Aliasing hais txog cov nyhuv producewena teeb liab yog imperfectly reconstructed los ntawm originalsignal. Aliasing tshwm sim thaum lub teeb liab tsis tau coj mus kuaj ntawm qhov siab txaus los tsim qhov tseeb sawv cev. Hauv qhov piv txwv no, cov dots sawv cev rau cov ntaub ntawv coj mus kuaj thiab cov curves qhia txog qhov teeb meem qub.
Dab tsi yog qhov txawv ntawm aliasing thiab antialiasing?
Aliasing yog qhov pom stair-stepping ofedgeshat tshwm sim hauv ib duab thaum daws teeb meem dhau lawm. Anti-aliasing yog qhov smoothing ntawm jagged npoo indigitalimages los ntawm nruab nrab cov xim ntawm pixels ataboundary.
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