Mixup uye CutMix Augmentation
Mixup uye CutMix inzira dzekuwedzera-data dzinogadzira mienzaniso mitsva yekudzidzisa nekusanganisa mifananidzo miviri nemazita avo.
Pfupiso
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.
Kudzika Kwakadzika
Mixup (Zhang et al., 2017) inoumba sampuli itsva se x̃ = λ·x_a + (1−λ)·x_b ine label ỹ yakasanganiswa ne λ yakafanana, apo λ inotorwa kubva mukugovera Beta. Izvi zvinokurudzira modhi kuita mutsara pakati pemienzaniso, kutsetsenura miganhu yesarudzo uye kugadzirisa kuenzanisa. CutMix (Yun et al., 2019) panzvimbo pacho inocheka dunhu rine rectangular kubva pamufananidzo B uye inonamira pamufananidzo A; huremu hwezita hunoiswa nechikamu chepixels imwe neimwe inopihwa nemufananidzo. Nekuti CutMix inochengeta matunhu akabatana emifananidzo (pane ghostly blends), inochengetedza inobatsira nzvimbo chimiro ichiri kumanikidza modhi kuti uende kune akawanda zvinhu uye zvikamu. Matekinoroji ese ari maviri anoshanda seakasimba enguva dzose, anosimudza huchokwadi paImageNet-chikero mabhenji, uye zvakanyanya kunatsiridza kusimba kune huwori uye neanopinza.
Technical Insight
Nzira mbiri idzi dzinoshandura chinangwa chekurasikirwa, kwete kungoisa. Iyo label inova yakapfava, yakasanganiswa chinangwa, saka iyo muchinjiko-entropy kurasikirwa ndeye λ-yakayerwa musanganiswa wemakirasi maviri - zvinobudirira chimiro chelabel kutsetseka chakasungirirwa kune pixel musanganiswa ratio. MuCutMix, λ inoenzana nechikamu chemapikisi asina kuchinjwa, akaverengerwa kubva panzvimbo yebhokisi rakachekwa yakakamurwa nenzvimbo yemufananidzo, izvo zvinoita kuti chikamu chezita chienderane nekuwanda kwemufananidzo wega wega.
Strategic Impact
Mutengo uye bhajeti
Zvisarudzo zvezvivakwa zvinotyaira kuita uye mutengo wekushandisa kwemakore.
Sarudzo dzakajeka
Dzidzo yehunyanzvi inobatsira zvikwata kusarudza murwi wakakodzera, kwete iwo mutsva chete.
Kudzora kwemhando yepamusoro
Sarudzo dzeinjiniya dziri nani dzinoderedza zviitiko zvekuvimbika mukugadzira.
Ramangwana reMixup uye CutMix Augmentation
Mix-based augmentation ikozvino yakajairwa mune yakasimba-yemhando-yemhando yekubika uye inosimbisa mapaipi emazuva ano ekudzidzisa ekuchinja kwechiratidzo, ayo anowanzoda inorema kurongeka. Tsvagiridzo inoenderera mberi pamusoro pezvakasiyana-siyana zvinozivikanwa (semuenzaniso, kuisa zvidimbu pamatunhu ane ruzivo), token-level kusanganisa kwevanoshandura, uye mawedzero kune odhiyo, zvinyorwa, uye 3D data. Tarisira nzira dzekusanganisa kuti urambe uri mutengo wakaderera wekusimudzira huroyi, kuenzanisa, uye kusimba sezvo zvivakwa zvinokura zvakanyanya-nzara yedata.
Real-World Implementation
Kudzidzisa ImageNet classifiers neCutMix kusimudza yepamusoro-1 kunyatsoita uye kugadzirisa nzvimbo yezvinhu.
Kushandisa Mixup kunatsiridza modhi calibration saka zvakafanotaurwa zvakavanzika zvirinani kuenzanisa chokwadi chaicho.
Kunyanya kushandura maonero ekushandura (semuenzaniso, DeiT) ine yakasanganiswa Mixup uye CutMix kudzidzisa pane shoma data.
Kuwedzera kusimba kuhuwori hwemufananidzo uye kunze-kwe-kugovera zvigadzirwa mukuchengetedza-yakakosha kuona masisitimu.
Njodzi & Guardrails
Kugadzirisa imwe bhenji kunogona kuvanza yakafara system kushaya simba.
Infrastructure uye mari yekugadzirisa inowanzotarisirwa pasi.
Chengetedzo uye kucherechedzwa mapundu anogona kukura sezvo masisitimu anowedzera kuoma.
Implementation Roadmap
Tsanangura latency, mhando, uye mutengo zvinangwa usati waitwa.
Benchmark pasi pechokwadi mutoro uye data mamiriro.
Chishandiso chekutarisa zvikanganiso, kudonha, uye mushandisi maitiro.
Gadzirira nzira dzekudzosera kumashure uye dzezviitiko usati wawedzera.
Ramba Uchiongorora
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Gaidhi rinotevera
Kuwedzera-Nguva Yekuedza
Mibvunzo inowanzo bvunzwa
What is Mixup and CutMix Augmentation?
Mixup uye CutMix inzira dzekuwedzera-data dzinogadzira mienzaniso mitsva yekudzidzisa nekusanganisa mifananidzo miviri nemazita avo. Kusanganisa mutsara kunopindirana nemifananidzo yakazara uye mavara, ukuwo CutMix inonamira rectangular chigamba kubva pane chimwe chifananidzo ichienda kune chimwe uye chinosanganisa mavara nenzvimbo yechigamba - zvese zvinoderedza kuwandisa uye kugadzirisa kusimba.
Ko Mixup inogadzira sei muenzaniso mutsva wekudzidzisa?
Mamisanganiswa emafomu x̃ = λx_a + (1−λ)x_b uye anosanganisa mavara neamwechete λ akatorwa kubva mukugovera Beta.
Ndeupi musiyano mukuru pakati peCutMix uye Mixup?
CutMix inokopa dunhu rine rectangular kubva kune imwe mufananidzo kuenda kune imwe, ichichengeta munharaunda inopindirana zvemukati pane ghosting mifananidzo miviri pamwechete.
MuCutMix, huremu hwekusanganisa (lambda) hwemazitapu hunotemwa sei?
Chiyero chezita muCutMix chakaiswa nenzvimbo yebhokisi rakanamirwa zvine chekuita nemufananidzo wese, kuchengetedza mavara achienderana nemapikseli anooneka.
Kunze kwemufananidzo wekuisa, chii chimwe chinogadziridza Mixup uye CutMix?
Maitiro ese ari maviri anosanganisa mavara zvakare, achigadzira zvinyoro zvinyoro zvinoita senge data-inotsamira fomu yelabel kutsetseka.
Ndeipi kugovera kunowanzo shandiswa kuenzanisa kusanganisa coefficient lambda?
Mixup uye CutMix inowanzo dhirowa λ kubva mukugovera Beta, iyo inodzora kuti mienzaniso miviri yakasanganiswa sei.