Uhlolojikelele
I-Mixup ne-CutMix izindlela zokwandisa idatha ezidala izibonelo zokuqeqesha ezintsha ngokuhlanganisa izithombe ezimbili namalebula azo. Ukuhlanganisa kuhlobanisa izithombe eziphelele namalebula ngokulandelana, kuyilapho i-CutMix inamathisela isiqeshana esingunxande sisuka kwesinye isithombe siye kwesinye futhi sixuba amalebula ngendawo yokunamathisela - kokubili kunciphisa ukugqwala futhi kuthuthukisa ukuqina.
I-Mixup ne-CutMix Augmentation iyibhulokhi yokwakha yobuchwepheshe ethinta ikhwalithi yemodeli, izindleko zengqalasizinda, ukubambezeleka, nokuthembeka esikalini.
I-Deep Dive
I-Mixup (Zhang et al., 2017) yenza isampula entsha njengokuthi x̃ = λ·x_a + (1−λ)·x_b ngelebula ỹ exutshwe ngu-λ ofanayo, lapho u-λ ethathwa ekusabalaliseni kwe-Beta. Lokhu kukhuthaza imodeli ukuthi iziphathe ngendlela eqondile phakathi kwezibonelo, ukwenza bushelelezi imingcele yezinqumo nokuthuthukisa ukulinganiswa. I-CutMix (Yun et al., 2019) esikhundleni salokho isika isifunda esingunxande isuka esithombeni B futhi isinamathisele esithombeni A; izisindo zelebula zisethwa ngenani lamaphikseli isithombe ngasinye esinikela ngaso. Ngenxa yokuthi i-CutMix igcina izifunda zesithombe ezihambisanayo endaweni (kunokuba ihlanganise izipoki), igcina isakhiwo esiwusizo sendawo ngenkathi isaphoqa imodeli ukuthi inakekele izinto nezingxenye eziningi. Zombili lezi zindlela zisebenza njengezijwayelekile eziqinile, zikhuphula ukunemba kumabhentshimakhi esikali se-ImageNet, futhi zithuthukise ngokuphawulekayo ukuqina ekonakaleni nokokufaka kokuphikisana.
I-Technical Insight
Zombili izindlela ziguqula okuhlosiwe kokulahlekelwa, hhayi okokufaka kuphela. Ilebula iba ithagethi ethambile, exubile, ngakho-ke ukulahlekelwa kwe-cross-entropy kuyinhlanganisela enesisindo esingu-λ yamakilasi amabili - ngempumelelo iwuhlobo lokushelela kwelebula eliboshelwe esilinganisweni sokuxutshwa kwephikseli. Ku-CutMix, u-λ ulingana nengxenye yamaphikseli angashintshiwe, ebalwa kusukela endaweni yebhokisi elisikiwe elihlukaniswe ngendawo yesithombe esiphelele, okugcina ingxenye yelebula ihambisana nokuthi singakanani isithombe ngasinye esibonakalayo.
I-Mastering Mixup kanye ne-CutMix Augmentation
I-Mixup ne-CutMix izindlela zokwandisa idatha ezidala izibonelo zokuqeqesha ezintsha ngokuhlanganisa izithombe ezimbili namalebula azo. Ukuhlanganisa kuhlobanisa izithombe eziphelele namalebula ngokulandelana, kuyilapho i-CutMix inamathisela isiqeshana esingunxande sisuka kwesinye isithombe siye kwesinye futhi sixuba amalebula ngendawo yokunamathisela - kokubili kunciphisa ukugqwala futhi kuthuthukisa ukuqina. I-Mixup ne-CutMix Augmentation iyibhulokhi yokwakha yobuchwepheshe ethinta ikhwalithi yemodeli, izindleko zengqalasizinda, ukubambezeleka, nokuthembeka esikalini. Ukuze wakhe ukuqonda okujulile, phatha i-Mixup ne-CutMix Augmentation njengemodeli yokusebenza, hhayi isici esisodwa: chaza imiphumela oyifunayo, ucacise ukucabanga, futhi uhlukanise lokho uhlelo olungakwenza ngokwethembeka kulokho okusadinga ukwahlulela kochwepheshe.
Empeleni, amaqembu aqinile asebenzisa i-Mixup ne-CutMix Augmentation athuthukisa izakhiwo, idatha, nokukhetha kwengqalasizinda ngokumelene nokuthembeka nezindleko. Babhala imibandela yempumelelo ecacile, ukuhlola okuqhathaniswa nedatha engokoqobo nokugeleza komsebenzi, futhi baphindaphinde ngokusekelwe kumaphethini okuhluleka aqashiwe esikhundleni sokuwina kwebhentshimakhi yesikhathi esisodwa. Yilapho ukuqonda kwethiyori kuguquka kube amandla ahlala njalo kuwo wonke umkhiqizo, inqubomgomo, kanye nokusebenza.
Izinqumo zezakhiwo ziqhuba ukusebenza kanye nezindleko zokusebenza iminyaka. Ngesikhathi esifanayo, Ukuthuthukisa ibhentshimakhi eyodwa kungafihla ubuthakathaka obubanzi besistimu. Indlela eqine kakhulu iwukuhlanganisa isivinini sokuhlola nesiyalo sokuphatha: qhuba abashayeli bezindiza, bamba ubufakazi, ushicilele amalogi ezinqumo, futhi ubuyekeze izivikelo ngokuqhubekayo njengoba imodeli yokuziphatha, okulindelwe ngabasebenzisi, kanye nezimfuneko zokulawula zishintsha.
I-Strategic Impact
Izinqumo zezakhiwo ziqhuba ukusebenza kanye nezindleko zokusebenza iminyaka.
Izinqumo zezakhiwo ziqhuba ukusebenza kanye nezindleko zokusebenza iminyaka. Ekusetshenzisweni kwekhwalithi ephezulu, lokhu kuhunyushwa emithethweni yokusebenza elinganisekayo, imingcele yobunikazi, nemikhuba yokubuyekeza ephindelelayo ukuze amaqembu akwazi ukukala ukuzethemba esikhundleni sokukala ukungaqondakali.
Imfundo yobuchwepheshe isiza amaqembu ukuthi akhethe isitaki esifanele, hhayi nje esisha.
Imfundo yobuchwepheshe isiza amaqembu ukuthi akhethe isitaki esifanele, hhayi nje esisha. Ekusetshenzisweni kwekhwalithi ephezulu, lokhu kuhunyushwa emithethweni yokusebenza elinganisekayo, imingcele yobunikazi, nemikhuba yokubuyekeza ephindelelayo ukuze amaqembu akwazi ukukala ukuzethemba esikhundleni sokukala ukungaqondakali.
Izinketho ezingcono zobunjiniyela zinciphisa izehlakalo ezinokwethenjelwa ekukhiqizeni.
Izinketho ezingcono zobunjiniyela zinciphisa izehlakalo ezinokwethenjelwa ekukhiqizeni. Ekusetshenzisweni kwekhwalithi ephezulu, lokhu kuhunyushwa emithethweni yokusebenza elinganisekayo, imingcele yobunikazi, nemikhuba yokubuyekeza ephindelelayo ukuze amaqembu akwazi ukukala ukuzethemba esikhundleni sokukala ukungaqondakali.
Ukuqaliswa Komhlaba Wangempela
Ukuqeqesha izigaba ze-ImageNet nge-CutMix ukuze ukhuphule ukunemba okuphezulu koku-1 futhi uthuthukise ukwenziwa kwasendaweni kwezinto.
Ukusebenzisa i-Mixup ukuthuthukisa ukulinganiswa kwemodeli ukuze izimfihlo ezibikezelwe zifane kangcono nokunemba kweqiniso.
Iziguquli zombono ezijwayeleke kakhulu (isb., i-DeiT) ne-Mixup ne-CutMix ehlanganisiwe ukuze ziqeqeshe ngedatha elinganiselwe.
Ukwandisa ukuqina ezithombeni zenkohlakalo kanye nokokufaka ngaphandle kokusatshalaliswa kwezinhlelo zombono ezibaluleke kakhulu zokuphepha.
Amaphethini Okusebenzisa
I-Mixup ne-CutMix Augmentation ekusebenzeni
Ukuqeqesha izigaba ze-ImageNet nge-CutMix ukuze ukhuphule ukunemba okuphezulu koku-1 futhi uthuthukise ukwenziwa kwasendaweni kwezinto.
Ukuqeqesha abahlukanisi be-ImageNet nge-CutMix ukuze kukhuliswe ukunemba okuphezulu koku-1 futhi kuthuthukiswe ukwenziwa kwasendaweni kwezinto Amathimba ngokuvamile athola imiphumela engcono uma echaza izilinganiso zekhwalithi ngaphambili, egcina indlela yokukhuphuka komuntu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
I-Mixup ne-CutMix Augmentation ekusebenzeni
Ukusebenzisa i-Mixup ukuthuthukisa ukulinganiswa kwemodeli ukuze izimfihlo ezibikezelwe zifane kangcono nokunemba kweqiniso.
Ukusebenzisa i-Mixup ukuze kuthuthukiswe ukulinganiswa kwemodeli ukuze izithenjwa ezibikezelwe zifane kangcono nokunemba kweqiniso Kwamathimba ngokuvamile athola imiphumela engcono uma echaza izilinganiso zekhwalithi ngaphambili, agcina indlela yokukhuphuka yabantu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
I-Mixup ne-CutMix Augmentation ekusebenzeni
Iziguquli zombono ezijwayeleke kakhulu (isb., i-DeiT) ne-Mixup ne-CutMix ehlanganisiwe ukuze ziqeqeshe ngedatha elinganiselwe.
Iziguquli zombono ezijwayekile kakhulu (isb., i-DeiT) ne-Mixup ne-CutMix ehlanganisiwe ukuze aziqeqeshe ngedatha elinganiselwe Amaqembu ngokuvamile athola imiphumela engcono uma echaza imingcele yekhwalithi ngaphambili, egcina indlela yokukhuphuka komuntu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
I-Mixup ne-CutMix Augmentation ekusebenzeni
Ukwandisa ukuqina ezithombeni zenkohlakalo kanye nokokufaka ngaphandle kokusatshalaliswa kwezinhlelo zombono ezibaluleke kakhulu zokuphepha.
Ukwenyuka kokuqina ezithombeni zenkohlakalo kanye nokuphuma ngaphandle kokusatshalaliswa kwezinhlelo zombono ezibaluleke kakhulu kwezokuphepha Amathimba ngokuvamile athola imiphumela engcono lapho echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka komuntu ezimweni ezibucayi, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Izingozi & Guardrails
Ukuthuthukisa ibhentshimakhi eyodwa kungafihla ubuthakathaka obubanzi besistimu.
Izindleko zengqalasizinda nezokulungisa zivame ukubukelwa phansi.
Izikhala zokuphepha nokubonakala zingakhula njengoba izinhlelo ziba nzima kakhulu.
Ukuqalisa Umhlahlandlela
Chaza ukubambezeleka, ikhwalithi, nezindleko ezihlosiwe ngaphambi kokuqaliswa.
Chaza ukubambezeleka, ikhwalithi, nezindleko ezihlosiwe ngaphambi kokuqaliswa. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.
Ibhentshimakhi ngaphansi komthwalo wangempela nezimo zedatha.
Ibhentshimakhi ngaphansi komthwalo wangempela nezimo zedatha. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.
Ukuqapha amathuluzi amaphutha, ukukhukhuleka, nomthelela wabasebenzisi.
Ukuqapha amathuluzi amaphutha, ukukhukhuleka, nomthelela wabasebenzisi. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.
Lungiselela izindlela zokuhlehlisa nezigameko ngaphambi kokukala.
Lungiselela izindlela zokuhlehlisa nezigameko ngaphambi kokukala. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.