LEARNING TO IMPUTE: A GENERAL FRAMEWORK FOR SEMI-SUPERVISED LEARNING

Anonymous

Sep 25, 2019 Blind Submission readers: everyone Show Bibtex
  • TL;DR: We proposed a general learning-to-learn framework for semi-supervised learning, which can be used for both classification and regression tasks.
  • Abstract: Recent semi-supervised learning methods have shown to achieve comparable results to their supervised counterparts while using only a small portion of labels in image classification tasks thanks to their regularization strategies. In this paper, we take a more direct approach for semi-supervised learning and propose learning to impute the labels of unlabeled samples such that a network achieves better generalization when it is trained on these labels. We pose the problem in a learning-to-learn formulation which can easily be incorporated to the state-of-the-art semi-supervised techniques and boost their performance especially when the labels are limited. We demonstrate that our method is applicable to both classification and regression problems including image classification and facial landmark detection tasks.
  • Code: https://anonymous.4open.science/r/a4721095-8266-4038-9cc6-8791ef61c610/
  • Keywords: Semi-supervised Learning, Meta-Learning, Learning to label
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