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Page 1: Return of Frustratingly Easy Domain Adaptationadas.cvc.uab.es › task-cv2015 › materials › Baochen... · Return of Frustratingly Easy Domain Adaptation DomainShift CORrelation

Baochen Sun*, Jiashi Feng**, Kate Saenko**UMass Lowell, **UC Berkeley & NationalUniversityofSingapore

[email protected], [email protected], [email protected]

Return of Frustratingly Easy Domain Adaptation

Domain Shift CORrelation ALignment (CORAL)

ThisresearchwassupportedbyNSFAwardsIIS-1451244andIIS-1212928.

TrainClassifieronTransformedSourceandTestonTarget

WhiteningbothDomains

TASK-CV 2015

FullpapertoappearinproceedingsofAAAI-16,preprintisavailableonarXiv.

WhiteningSource Re-ColoringwithTargetCov

FailstoAlignCovs

Covsarelikelylowrank

Ø DistributionsaredifferentØ AlignDsbyaligningCovs

Ø ClosedformsolutionØ Whiteningfollowedbyre-coloring

ConclusionØ ImprovementisconsistentØ Largerimprovementonstronglycorrelated

features(e.g.,deepfeatures)

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