Yokkateg waxtu test
Test-time augmentation (TTA) dafay doxal ab model buñu tàggat ci yenn versioŋ yuñ soppi ci benn duggal bi ba noppi di xayma liñu séentu.
Résumé
It is a simple, training-free trick that often squeezes out a few extra points of accuracy and makes predictions more robust.
Plongeur bu xóot
Test-time augmentation dafay jël benn dugal, sos ay kopi yu bari yuñ soppi (flips, crops, rotations, coppite melo, wala versions scaled), dafay daw bu nekk ci benn model fixe, ba noppi boole génne yi - lu bari ci probabilite wala logits. Intuition bi: yokk bu nekk dafay wane model bi ci anam wu wuute tuuti, te njuumte yi ci gis-gis yi dañuy fomm suñu leen boole, melni ensemble bu ndaw buñ tabax ci benn reso. Li gëna am solo mooy TTA soxlawul ñu tàggataat ko, soxlawul yeneen etiket; ci inference bi moo gëna njëg ndax model bi dafay daw N yoon ci échantillon bu nekk. Ñu ngi ko gëna siiw ci wàllu gis-gis ci ordinatër (espesialeman ci joŋante Kaggle ak nataali pajum) waaye dafay feeñ itam ci audio ak bind. Augmentations yi war nañu baña yàq etiket bi - flipping rayon X ci dënn bi baaxna, waaye flipping benn sifre '6' ci '9' baaxul.
Gis-gis xarala
Sudee njuumti yi ci wax luy waaja am ci xeetu gis-gis yiñ yokk amul benn korrelaasioŋ, moyenne dafay wàññi variance ni ensemble - waaye di jëfandikoo benn poid. Ngir xaaj, dangay faral di xayma probabilite softmax (wala logits) ci kaw gis-gis yi; ngir segmenter danga wara soppi soppi geometrik bu nekk balaa ngay boole suko defee kàrtu pixel yi méngoowaat. Tann yokkute yiy baña yàq etiket yi lu am solo la: coppite buy soppi klaas bu dëggu bi dafay dugal njuumte ludul fomm bruit bi.
njeextalu pexe
Njëgg ak budget
Dogal yi architecture di jël dañuy indi njariñ ak njëgu liggéey bi ay at ci ginaaw.
dogal yu gëna leer
Njàngalem xarala yi dafay jàppale ekip yi ñu tànn li gën, te baña yam ci li gëna bees daal.
Xool kalite
Tanneef yu gëna baax ci wàllu ingeñër dina wàññi jafe-jafe yi ci wàllu wóor ci liggéey bi.
Ëlëgu yokk waxtu test
Gëstu mingi jubal ci TTA buñ jàng te mëna ànd, fu benn politik bu ndaw di tànn augmentations yiy jàppale ci bépp dugal bu amul benn ensemble. Seetug 'Gredy' ak TTA-politik bu wuute, boole ci moyenne bu wóorul bu gëna wóolu xalaat yu wóolu, ay barab yu am solo lañu. Xaarandil TTA ngir jaxasoo ak tàggat yaram ci diiru test ak mën ànd ak sa bopp, bàyyi model yiñ dugal ñu mëna ànd ak coppite séddale ci saa si, boole ci baña soppi moomeel gi.
Doxal ci àdduna dëgg
Liggéeyu xayma yi ci kaw flip horizontal ak dagg yu bari ci benn nataal ngir gëna dëgëral xaaj ImageNet ci inference.
Delloosi rotation / flips ak mask moyenne ci segmentation nataal medikaal (lu melni, tumër wala cër) ngir gëna dëgër.
Kaggle concurrents jëfandikoo fukki-crop wala multi-scale TTA ngir am benn wàll ci pursaa ci tablo njiit yi te duñu tàggataat.
Dawal wax wala audio classifiers ci kaw clips yu toxal tuuti waxtu wala ton perturbed ak pooling génne ngir etiket yu gëna stabil.
Risk yi ak balustrade yi
Optimize benn benchmark mën na nëbb ñakk kattan yu gëna yaatu ci sistem bi.
Njëg li ñuy fay ci infrastructure yi ak ci toppatoo dañuy faral di suufeel.
Bu sistem yi di gëna xawa jafee xam, jafe-jafe yi am ci wàllu kaaraange ak seetlu mën nañu gëna bari.
Roadmap ngir samp gi
Mandargal latency, kalite, ak njëg yi laata ngay jëfandikoo.
Benchmark ci biir sargal ak done yu dëggu.
Jumtukaay bi di saytu njuumte yi, derive bi ak njeextalu jëfandikukat bi.
Waajal rollback ak yooni tontu ci jafe-jafe yi laata ngay eskale.
Weyal di banneexu
Free newsletter
Get the daily AI briefing
Three verified AI stories every weekday morning, written in plain English. Free forever, no ads.
One email each weekday. Unsubscribe in one click. We never sell or share your address.
Test yourself
Take the Test-Time Augmentation quiz
Instant feedback on every answer, and a shareable certificate with a verifiable ID once you pass a course.
Support free AI education. AI Understanding is a 501(c)(3) nonprofit — no ads, no paywall, ever. Make a donation
Gis bi ci topp
Taggat ci waxtu test
Laaj yi ñuy faral di laaj
What is Test-Time Augmentation?
Test-time augmentation (TTA) dafay doxal ab model buñu tàggat ci yenn versioŋ yuñ soppi ci benn duggal bi ba noppi di xayma liñu séentu. Kaf gu yomb la, te soxlawul nga tàggat sa bopp, te dafay faral di dindi yenn poñ yu gëna dëggu, ba noppi gëna dëgëral wax luy waaja am.
Lan mooy xalaat bu mag bi ci ginaaw yokk waxtu test yi?
TTA dafay dundal ay xeetu yokk yu bari ci benn dugal jaaraleko ci benn xeetu tàggat ba noppi boole li ñu séentu, te amul benn tàggataat bu ci bokk.
Lu tax TTA di faral di yokk njub?
Moyenne ci gis-gis yu bari dafay nuru ensemble bu benn reso, wàññi variance sudee njuumti yi ci gis-gis bu nekk amul benn korrelaasioŋ.
Lan mooy njëgu jëfandikoo TTA?
Ndax dugal bu nekk dafay jaar ci reso bi N yoon, inference dafay gëna seer lu tollu ci N yoon.
Ban tanneef ci yokkute moo mëna gaañ benn klassifikatëru sifar?
Augmentations yi dañu wara tëye etiketu dëgg gi; flipping yenn cifre yi dañuy soppi seen dàntite ba noppi di indi njuumte.
Ci segmentation, ban jéego bu gëna am solo lañu soxla balaa ñuy jël moyenne yi ci TTA yi?
Yokkateg geometrik yi dañuy toxal pixel yi, kon masku génne bu nekk dañu ko wara soppi dellu ci kaadar coordonnée bi njëkk balaa ñuy boole.