Ingxaki
Yintoni ebonakala ilula ebantwini — ukuchonga "umxholo ophambili" yefoto - inzima ngokumangalisayo kwiikhompyuter. Umfanekiso yigridi yeepixels ezinemibala. Akukho mbhalo wendalo othi "le pixel ngumntu" kwaye "le pixel ludonga ngasemva kwabo."
Iindlela zakwaNtu ezisetyenzisiweyo ezinje ngombala we-thresholding (susa zonke iipixels zombala othile) okanye ukuchongwa komphetho (fumana imida phakathi kwezinto). Ezi zisebenze kwiimeko ezilula kodwa zasilela ngemiboniso entsonkothileyo, imibala efanayo phakathi kwesihloko nemvelaphi, okanye iinkcukacha ezintsonkothileyo.
Ngena kwiZifundo zoomatshini
Ukususwa kwemvelaphi ye-AI yangoku kusebenzisa ukufunda okunzulu-ngokukodwa, iimodeli zokwahlulwa kwemifanekiso. Nalu uguqulelo olwenziwe lula lwendlela esebenza ngayo:
1. Uqeqesho
Inethiwekhi ye-neural iboniswa ngezigidi zemifanekiso apho umxholo sele uchongiwe ngesandla (uphawulwe). Ngokuhamba kwexesha, imodeli ifunda iipatheni: indlela abantu ababukeka ngayo, indlela izinto ezibunjwe ngayo, izifundo zahluke njani kwimvelaphi. Ifunda ukuqaphela imiphetho, ukuthungwa, kunye nomxholo.
2. Ukuthelekelela (Usebenzisa iModeli)
Xa unika imodeli eqeqeshiweyo umfanekiso omtsha engazange yawubona ngaphambili, ihlalutya idatha ye-pixel kwaye ivelise "imaski" - imephu enika ipixel nganye ithuba lokuba ngumphambili (isihloko) okanye imvelaphi. Iiphikseli zangaphambili ezinokuzithemba okuphezulu zigcinwa; iipixels ezingasemva ezizithembayo eziphezulu ziyasuswa.
3. UkuPhathwa komda
Utshintsho phakathi kwangaphambili kunye nemvelaphi ibalulekile. Iimodeli zale mihla zivelisa imiphetho ethambileyo (inxalenye engafihliyo) kunokuba kunqunyulwe i-binary cuts enzima. Oku kudala iziphumo zenkangeleko yendalo, ngakumbi kwimiphetho entsonkothileyo.
Kutheni iiGPUs zibalulekile
Uthungelwano lweNeural luseta imifanekiso ngamawaka eemisebenzi zemathematika ngaxeshanye. Ii-GPUs (iiYunithi zokuLungiselela imizobo) ziyilelwe kanye olu hlobo lokubala oluhambelanayo. Umsebenzi onokuthatha imizuzwana engama-30 kwi-CPU unokugqiba kwi-2-3 imizuzwana kwi-GPU.
Kungenxa yesi sizathu le nto izixhobo ezifana ne-QuickRemove inkxaso ye-GPU yokukhawulezisa ukusuka kwi-NVIDIA, AMD, kunye ne-Intel GPUs. Imodeli ye-AI isebenza ngokuthe ngqo kwi-GPU yakho ukuze iqhutywe ngokukhawuleza. Ukuba akukho GPU ehambelanayo ekhoyo, isoftware ibuyela kwi-CPU processing - isasebenza, ithatha nje ixesha elide.
Yintoni i-AI elungile kuyo
- Abantu kunye nemifanekiso - le yinto eqhelekileyo yokusetyenziswa, kwaye iimodeli ziqeqeshwe kakuhle kuyo
- Izilwanyana kunye nezilwanyana zasekhaya - iimodeli zibamba uboya kunye neemilo zezilwanyana kakuhle
- Iimveliso kunye nezinto - izinto ezichazwe kakuhle ezinemida ecacileyo
- Izithuthi - iimoto, iibhayisikili, kunye nezinto ezifanayo
- Imvelaphi entsonkothileyo — i-AI inokwahlula izifundo kwimvelaphi exakekileyo, eneenkcukacha
Imingeni ye-AI
- Izinto ezicacileyo - iglasi, amanzi, kunye nezinye izinto ezibonakalayo zinobuqili (QuickRemove ibandakanya ukuphatha okukhethekileyo oku)
- Ukufana kombala - xa umxholo kunye nemvelaphi zifana kakhulu ngombala, imida kunzima ukuyibona
- Imiboniso entsonkothileyo kakhulu - izifundo ezininzi ezithelelanayo okanye umphambili ongaqondakaliyo/umva
I-Post-Processing
Emva kokuba i-AI ivelise imaski yokuqala, i-post-processing ilungisa umphumo. Izixhobo ezifana ne-QuickRemove offer:
- Edge feathering — ukuthambisa inguqu phakathi kwesihloko nemvelaphi
- Smoothing — ukunciphisa imiphetho ejijekileyo
- Ukucocwa kombala — ukususa ukuchitheka kombala apho umbala ongasemva wopha kwincam yesifundo
- Ibhrashi/into yokucima ngesandla — ukulungiselela izilungiso ezicikizekileyo i-AI inokuphoswa
Umgca ongezantsi
Ukususwa kwemvelaphi ye-AI kuye kwafikelela kwinqanaba apho ivelisa iziphumo zobungcali bomgangatho ngemizuzwana. Ngelixa ingagqibelelanga kuyo yonke imeko, iphatha uninzi lweemeko zokusetyenziswa okuqhelekileyo ngokuchaneka okuchukumisayo - ukwenza ukususwa kwemvelaphi kufikeleleke kuye wonke umntu, hayi iingcali zePhotoshop kuphela.