Qhov teeb meem
Dab tsi zoo li yooj yim rau tib neeg - txheeb xyuas "qhov tseem ceeb" ntawm daim duab - yog qhov xav tsis thoob rau cov khoos phis tawj. Ib daim duab tsuas yog ib daim phiaj ntawm cov xim pixels. Tsis muaj daim ntawv sau npe hais tias "lub pixel no yog tus neeg" thiab "lub pixel no yog phab ntsa qab lawv."
Cov txheej txheem ib txwm siv cov txheej txheem xws li kev teeb tsa xim (tshem tawm tag nrho cov pixels ntawm qee cov xim) lossis kev tshawb pom ntug (nrhiav thaj tsam ntawm cov khoom). Cov no ua haujlwm rau cov xwm txheej yooj yim tab sis ua tsis tiav nrog cov xwm txheej nyuaj, cov xim zoo sib xws ntawm cov ncauj lus thiab keeb kwm yav dhau, lossis cov ntsiab lus sib txawv.
Nkag mus rau Machine Learning
Niaj hnub no AI tom qab tshem tawm siv kev kawm tob - tshwj xeeb, cov qauv duab segmentation. Nov yog qhov yooj yim version ntawm nws ua haujlwm li cas:
1. Kev cob qhia
Ib lub neural network tau pom ntau lab cov duab uas qhov kev kawm twb tau raug txheeb xyuas tus kheej (labeled). Nyob rau tib lub sijhawm, tus qauv kawm cov qauv: cov neeg zoo li cas, cov khoom zoo li cas, cov ntsiab lus txawv ntawm keeb kwm. Nws kawm paub txog cov npoo, textures, thiab cov ntsiab lus.
2. Inference (Siv tus qauv)
Thaum koj muab tus qauv cob qhia cov duab tshiab uas nws tsis tau pom dua ua ntej, nws txheeb xyuas cov ntaub ntawv pixel thiab tsim "daim npog" - ib daim ntawv qhia uas muab txhua pixel qhov tshwm sim ntawm qhov ua ntej (kev kawm) lossis keeb kwm yav dhau. Kev ntseeg siab rau pem hauv ntej pixels tau khaws cia; kev ntseeg siab tom qab pixels raug tshem tawm.
3. Ntug tuav
Kev hloov pauv ntawm foreground thiab keeb kwm yav dhau yog qhov tseem ceeb. Cov qauv niaj hnub tsim cov npoo mos (ib nrab pob tshab) es tsis yog qhov nyuaj binary txiav. Qhov no tsim cov txiaj ntsig zoo nkauj, tshwj xeeb tshaj yog nyob ib puag ncig cov npoo.
Vim li cas GPUs tseem ceeb
Neural networks ua cov duab los ntawm ntau txhiab tus lej ua haujlwm ib txhij. GPUs (Graphics Processing Units) yog tsim los rau qhov zoo ntawm kev sib piv piv. Ib txoj haujlwm uas yuav siv sijhawm 30 vib nas this ntawm CPU tuaj yeem ua tiav hauv 2-3 vib nas this ntawm GPU.
Qhov no yog vim li cas cov cuab yeej zoo li QuickRemove txhawb GPU acceleration los ntawm NVIDIA, AMD, thiab Intel GPUs. Tus qauv AI khiav ncaj qha ntawm koj lub GPU rau kev ua haujlwm ceev. Yog tias tsis muaj GPU sib xws, software poob rov qab rau CPU ua haujlwm - nws tseem ua haujlwm, tsuas yog siv sijhawm ntev dua.
Dab tsi AI yog qhov zoo ntawm
- Tib neeg thiab portraits - qhov no yog cov ntaub ntawv siv ntau tshaj plaws, thiab cov qauv tau kawm zoo rau nws
- Tsiaj txhu thiab tsiaj - cov qauv ua rau cov plaub hau thiab tsiaj cov duab zoo
- Cov khoom lag luam thiab cov khoom lag luam - cov khoom siv tau zoo nrog cov ciam teb meej
- Tsheb - tsheb, tsheb kauj vab, thiab cov khoom zoo sib xws
- Cov keeb kwm nyuaj - AI tuaj yeem cais cov ncauj lus los ntawm kev tsis khoom, cov ncauj lus kom ntxaws
Kev sib tw rau AI
- Cov khoom pob tshab - iav, dej, thiab lwm yam khoom pom los ntawm kev ua kom yuam kev (QuickRemove suav nrog kev tuav tshwj xeeb rau qhov no)
- Xim zoo sib xws - thaum cov ntsiab lus thiab keeb kwm yav dhau zoo sib xws hauv cov xim, ciam teb nyuaj dua los kuaj xyuas
- Cov xwm txheej nyuaj heev - ntau yam sib tshooj lossis tsis meej pem hauv ntej / keeb kwm yav dhau
Tom qab ua tiav
Tom qab AI tsim lub ntsej muag thawj zaug, tom qab ua tiav cov txiaj ntsig tau zoo. Cov cuab yeej zoo li QuickRemove muaj:
- Ntug feathering - softening qhov kev hloov ntawm kev kawm thiab keeb kwm yav dhau
- Smoothing - txo jagged npoo
- Xim decontamination - tshem tawm cov xim nchuav qhov twg cov xim keeb kwm yav dhau los ntshav mus rau ntawm cov npoo
- Kev txhuam txhuam / txhuam - rau kev kho kom zoo lub AI yuav plam
Kab hauv qab
AI tom qab tshem tawm tau mus txog qhov chaw uas nws tsim cov txiaj ntsig zoo hauv vib nas this. Txawm hais tias nws tsis zoo tag nrho hauv txhua qhov xwm txheej, nws ua haujlwm feem ntau ntawm cov neeg siv feem ntau nrog qhov tseeb zoo - ua rau kev tshem tawm keeb kwm yav dhau los siv tau rau txhua tus, tsis yog cov kws tshaj lij Photoshop xwb.