Unsupervised Domain Adaptation via Regularized Conditional Alignment

Autor: Safa Cicek, Stefano Soatto
Rok vydání: 2019
Předmět:
FOS: Computer and information sciences
Computer Science - Machine Learning
Computer science
Computer Vision and Pattern Recognition (cs.CV)
Feature vector
Computer Science - Computer Vision and Pattern Recognition
Machine Learning (stat.ML)
02 engineering and technology
Disjoint sets
010501 environmental sciences
01 natural sciences
Regularization (mathematics)
Machine Learning (cs.LG)
Entropy (classical thermodynamics)
Statistics - Machine Learning
Joint probability distribution
0202 electrical engineering
electronic engineering
information engineering

Entropy (information theory)
Entropy (energy dispersal)
Entropy (arrow of time)
0105 earth and related environmental sciences
Artificial neural network
Entropy (statistical thermodynamics)
business.industry
Pattern recognition
Embedding
020201 artificial intelligence & image processing
Artificial intelligence
Marginal distribution
business
Entropy (order and disorder)
Zdroj: ICCV
DOI: 10.1109/iccv.2019.00150
Popis: We propose a method for unsupervised domain adaptation that trains a shared embedding to align the joint distributions of inputs (domain) and outputs (classes), making any classifier agnostic to the domain. Joint alignment ensures that not only the marginal distributions of the domains are aligned, but the labels as well. We propose a novel objective function that encourages the class-conditional distributions to have disjoint support in feature space. We further exploit adversarial regularization to improve the performance of the classifier on the domain for which no annotated data is available.
Databáze: OpenAIRE