Kuvanga no Gukata
Kuvanga na CutMix nuburyo bwo kongera amakuru uburyo bwo gukora ingero zamahugurwa muguhuza amashusho abiri nibirango byabo.
Incamake
Mixup linearly interpolates whole images and labels, while CutMix pastes a rectangular patch from one image onto another and mixes labels by patch area — both reduce overfitting and improve robustness.
Kwibira cyane
Kuvanga (Zhang et al., 2017) bigize icyitegererezo gishya nka x̃ = λ · x_a + (1 - λ) · x_b hamwe na label ỹ ivanze na λ imwe, aho λ yakuwe mubikwirakwizwa rya Beta. Ibi bishishikariza icyitegererezo kwitwara neza hagati yingero, koroshya imipaka yicyemezo no kunoza kalibrasi. CutMix (Yun et al., 2019) ahubwo igabanya akarere k'urukiramende kuva ku ishusho B hanyuma ikayishyira ku ishusho A; ikirango uburemere gishyirwaho nigipimo cya pigiseli buri shusho itanga. Kuberako CutMix igumana uturere twibishushanyo mbonera (aho guhuza imizimu), ibika imiterere yingirakamaro mugihe ikomeje guhatira icyitegererezo kwitabira ibintu byinshi nibice. Ubu buhanga bwombi bukora nkibisanzwe bisanzwe, kuzamura ukuri kubipimo ngenderwaho bya ImageNet, kandi byumwihariko kunoza imbaraga za ruswa hamwe ninyongeramusaruro.
Ubushishozi
Ubwo buryo bwombi buhindura intego yo gutakaza, ntabwo byinjijwe gusa. Ikirango gihinduka icyoroshye, kivanze intego, bityo igihombo cyambukiranya-entropiya ni λ-uburemere bwo guhuza ibyiciro bibiri - muburyo bwiza bwa label yoroshye yoroshye ihujwe na pigiseli ivanze. Muri CutMix, λ bingana igice cya pigiseli idahinduwe, ubarwa uhereye kumasanduku yagabanijwe agace kagabanijwe nigice rusange cyamashusho, bigatuma igipimo cya label gihuza nubunini bwa buri shusho igaragara.
Ingaruka z'Ingamba
Igiciro na bije
Ibyemezo byubwubatsi bitwara imikorere nigiciro cyimikorere kumyaka.
Ibyemezo bisobanutse
Ubuhanga bwa tekinike bufasha amakipe guhitamo umurongo ukwiye, ntabwo ari shyashya gusa.
Kugenzura ubuziranenge
Guhitamo neza bya injeniyeri bigabanya ibintu byizewe mubikorwa.
Kazoza ka Kuvanga na CutMix Kwiyongera
Kwiyongera kuvanze gushingiye kurisanzwe muburyo bukomeye bwo gushushanya-gutondekanya amashusho kandi bishimangira imiyoboro igezweho yo guhugura abahindura iyerekwa, akenshi ikenera guhinduka cyane. Ubushakashatsi burakomeje kubijyanye na saliency-variants (urugero, gushyira ibice mukarere kamenyesha amakuru), urwego-rwerekana kuvanga impinduka, no kwagura amajwi, inyandiko, hamwe namakuru ya 3D. Tegereza kuvanga ingamba kugirango ukomeze kuba igiciro gito kugirango uzamure ukuri, kalibrasi, nimbaraga nkuko inyubako ikura amakuru-ashonje.
Gushyira mu bikorwa Isi
Guhugura ImageNet itondekanya hamwe na CutMix kugirango uzamure top-1 neza kandi utezimbere aho ibintu bigeze.
Gukoresha mixup kugirango utezimbere kalibrasi yicyitegererezo bityo ibyiringiro byahanuwe bihuye neza nukuri.
Guhindura cyane ibyerekezo bihindura (urugero, DeiT) hamwe na mixup hamwe na CutMix guhugura kumakuru make.
Kongera imbaraga kuri ruswa yangiritse no hanze-yo kugabura inyongeramusaruro muri sisitemu yo kureba-umutekano.
Ingaruka & Kurinda
Gutezimbere igipimo kimwe gishobora guhisha intege nke za sisitemu.
Ibikorwa Remezo no kubungabunga akenshi usanga bidahabwa agaciro.
Icyuho cyumutekano no kwitegereza birashobora kwiyongera uko sisitemu igenda igorana.
Igishushanyo mbonera
Sobanura ubukererwe, ubuziranenge, nigiciro cyibiciro mbere yo kubishyira mubikorwa.
Ibipimo byerekana umutwaro ufatika hamwe namakuru yimiterere.
Gukurikirana ibikoresho kubikosa, drift, ningaruka zabakoresha.
Tegura inzira yo gusubiza ibyabaye mbere yo gupima.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
Ikizamini-Igihe cyo Kwiyongera
Ibibazo bikunze kubazwa
What is Mixup and CutMix Augmentation?
Kuvanga na CutMix nuburyo bwo kongera amakuru uburyo bwo gukora ingero zamahugurwa muguhuza amashusho abiri nibirango byabo. Kuvanga umurongo uhuza amashusho yose hamwe nibirango, mugihe CutMix yomekaho urukiramende ruva kumurongo umwe kurindi kandi ruvanga ibirango mukarere - byombi bigabanya gukabya no kunoza imbaraga.
Nigute Mixup ikora urugero rushya rwamahugurwa?
Ifishi yo kuvanga x̃ = λx_a + (1 - λ) x_b hanyuma ikavanga ibirango hamwe na λ yakuwe mubisaranganya Beta.
Ni irihe tandukaniro nyamukuru riri hagati ya CutMix na Mixup?
CutMix ikoporora akarere k'urukiramende kuva ku ishusho imwe ikajya mu rindi, igakomeza guhuza ibintu aho guhuza amashusho abiri hamwe.
Muri CutMix, ni gute kuvanga uburemere (lambda) kubirango byagenwe?
Ikirango cyagereranijwe muri CutMix gishyirwaho nubuso bwibisanduku byanditse ugereranije nishusho yose, bikomeza ibirango bihuye na pigiseli igaragara.
Usibye ishusho yinjiza, ni iki kindi Mixup na CutMix bihindura?
Ubwo buryo bwombi buvanga ibirango nabyo, bitanga intego yoroshye ikora nkuburyo bushingiye kumibare ya label yoroshye.
Ni ikihe gikwirakwizwa gikunze gukoreshwa mu kuvanga coefficient lambda?
Kuvanga na CutMix mubisanzwe bishushanya λ uhereye kuri Beta ikwirakwiza, igenzura uburyo ingero zombi zivanze.