Karatun inji shine wani yayi wanda muke ciki a yanzu kuma muna tunanin cewa zamu iya amfani da shi don samun ingantattun shawarwari lokacin sauraron waɗannan jerin waƙoƙin kiɗan akan Google Play Music. Jiya muna yin tsokaci kan wasan babban G Tare da sabon sabuntawa da kuma wannan ilimin na inji wanda zai kara sani game da kai yayin da kake amfani da aikin.
Yanzu kuna son amfani da wannan injin ɗin don menene waɗannan hotunan waɗanda aka iyakance ta ƙudurin na'urar ko ta hanyar rage ƙwaƙwalwar cikin gida na na'urar. Google baya son rasa damar da ake buƙata don ɗaukar hotuna masu ƙuduri mafi girma, saboda allon fuska, kamar su TV masu kyau ko almara, suna buƙatar su. Abin da ya sa ke nan gabatar da dabarar da ake kira RAISR.
"RAISR: Hanya madaidaiciya da hoto mai ƙarfi"
Wata dabara ce wacce ta kunshi koyon inji domin samar da sifofi masu inganci na hotuna masu ƙarancin ƙarfi. RAISR yana samar da sakamako wanda yayi daidai da ko mafi kyau fiye da wadatattun hanyoyin ƙuduri, har ma yana inganta lokacin aiki da 10 zuwa 100 sau. Wannan saurin cikin aikin yana basu damar kasancewa akan na'urar a ainihin lokacin. Ko da daga baya, wannan dabarar za ta hana nishaɗin kayan jaka ko laƙabi waɗanda ke wanzu a cikin hotuna masu ƙarancin ƙarfi.
Na 'yan shekaru an yi dabara da ake kira upsampling, wanda ke samar da hoto mafi girma tare da adadin pixels mafi girma da hoto mafi inganci daga ƙaramar ƙuduri ɗaya. Dabarar da ke amfani da hanyoyin layi waɗanda ke cika ƙimar sabon pixel ta amfani da haɗakar ƙimomin da ke kewaye da shi. Wannan hanyar tana da sauri saboda su masu tace layi ne. Duk da yake abin da ke sa su yin sauri, yana sanya su rashin tasiri a gabatar da cikakken bayani a cikin sakamakon ƙuduri mafi girma. Hoton da ke ƙasa ya nuna shi daidai.
Yadda RAISR ke aiki
RAISR yana amfani da koyon na'ura tare da wasu hotuna. RAISR za a iya "horar da shi ta hanyoyi biyu." Na farko hanya ce kai tsaye, wacce ake koyon masu tace kai tsaye daga ƙananan hotuna masu ƙarancin ƙarfi da ƙarfi. Sauran hanyar tana wuce mai tace kwatankwacin hanyar "upsampler" zuwa hoton mai ƙarancin ƙarfi sannan kuma "koya" matattara na izinin da aka bayar da hoton ƙuduri.
Ko menene hanyar, RAISR tace an "horar dasu" gwargwadon halaye na "kololuwa" da aka samo a ƙananan facin hotuna, kamar launuka masu haske / haske, yankuna masu laushi ko filaye da ƙari, waɗanda ke da kwatankwacin shugabanci, ƙarfi da haɗin kai.
A takaice, a ainihin lokacin RAISR yana zaɓar kuma yana amfani da mafi dacewa matattara daga jerin waɗanda aka koya daga kowane pixel kusa da su a cikin hoton ƙuduri mai ƙarfi. Lokacin da aka yi amfani da waɗancan matattara zuwa mafi munin hoto, sake ƙirƙirar cikakkun bayanai waɗanda suke kwatankwacin inganci da asali babban ƙuduri. Wannan shine abin da yake yi don kawar da kayan tarihi masu juji kamar tsarin Moire da ƙari.
A yau, amfani da koyon inji, cikin shekarun da suka gabata na ci gaba a fasahar ɗaukar hoto, ya ba da damar ci gaba a aikin sarrafa hoto wanda ke cikin fa'idodi iri-iri masu fa'ida. Ofaya daga cikin misalan da Google ya bayar shine inganta alamar “tsunkulewa zuwa zuƙowa” ko kuma “tsunkulewa” a kan wayar, wanda zai cimma cewa za a iya kama shi, adana watsa hotuna a ƙaramin ƙuduri don haka daga ƙarshe ta kai ga inda aka nufa cikin ƙudurin da ya dace da ita. Wannan yana nufin babban adana cikin bayanan da aka yi amfani dasu a cikin canja wurin da kuma tsare-tsaren ajiyar.