A Review of Domain Adaptation without Target Labels

Autor: Marco Loog, Wouter M. Kouw
Rok vydání: 2021
Předmět:
Zdroj: Kouw, W M & Loog, M 2021, ' A Review of Domain Adaptation without Target Labels ', IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 43, no. 3, 8861136, pp. 766-785 . https://doi.org/10.1109/TPAMI.2019.2945942
ISSN: 1939-3539
0162-8828
DOI: 10.1109/tpami.2019.2945942
Popis: Domain adaptation has become a prominent problem setting in machine learning and related fields. This review asks the question: how can a classifier learn from a source domain and generalize to a target domain? We present a categorization of approaches, divided into, what we refer to as, sample-based, feature-based and inference-based methods. Sample-based methods focus on weighting individual observations during training based on their importance to the target domain. Feature-based methods revolve around on mapping, projecting and representing features such that a source classifier performs well on the target domain and inference-based methods incorporate adaptation into the parameter estimation procedure, for instance through constraints on the optimization procedure. Additionally, we review a number of conditions that allow for formulating bounds on the cross-domain generalization error. Our categorization highlights recurring ideas and raises questions important to further research.
Comment: 20 pages, 5 figures
Databáze: OpenAIRE