Transcription of Learning Transferable Features with Deep Adaptation Networks
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Learning Transferable Features with Deep Adaptation NetworksMingsheng Long Cao Wang I. Jordan School of Software, TNList Lab for Info. Sci. & Tech., Institute for Data Science, Tsinghua University, China Department of Electrical Engineering and Computer Science, University of California, Berkeley, CA, USAA bstractRecent studies reveal that a deep neural networkcan learn Transferable Features which generalizewell to novel tasks for domain Adaptation . How-ever, as deep Features eventually transition fromgeneral to specific along the network, the featuretransferability drops significantly in higher layerswith increasing domain discrepancy. Hence, it isimportant to formally reduce the dataset bias andenhance the transferability in task-specific this paper, we propose a new Deep AdaptationNetwork (DAN) architecture, which generalizesdeep convolutional neural network to the domainadaptation scenario. In DAN, hidden representa-tions of all task-specific layers are embedded in areproducing kernel Hilbert space where the meanembeddings of different domain distributions canbe explicitly matched.
Deep Adaptation Networks In unsupervised domain adaptation, we are given a source domainDs = {(xs i,y s i)} ns i=1 withns labeledexamples,and a target domain Dt = {xt j} nt j=1 with nt unlabeled exam-ples. The source domain and target domain are charac-terized by probability distributions p and q, respectively.
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