Multi-Task Variational Information Bottleneck

• URL: http://arxiv.org/abs/2007.00339v4
• Date: Mon, 1 Mar 2021 12:12:22 GMT
• Title: Multi-Task Variational Information Bottleneck
• Authors: Weizhu Qian, Bowei Chen, Yichao Zhang, Guanghui Wen and Franck Gechter
• Abstract summary: Multi-task learning (MTL) is an important subject in machine learning and artificial intelligence. This article proposes an MTL model based on the architecture of the variational information bottleneck (VIB) Extensive observations on three public data sets under adversarial attacks show that the proposed model is competitive to the state-of-the-art algorithms.
• Score: 8.55293326934818
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Multi-task learning (MTL) is an important subject in machine learning and artificial intelligence. Its applications to computer vision, signal processing, and speech recognition are ubiquitous. Although this subject has attracted considerable attention recently, the performance and robustness of the existing models to different tasks have not been well balanced. This article proposes an MTL model based on the architecture of the variational information bottleneck (VIB), which can provide a more effective latent representation of the input features for the downstream tasks. Extensive observations on three public data sets under adversarial attacks show that the proposed model is competitive to the state-of-the-art algorithms concerning the prediction accuracy. Experimental results suggest that combining the VIB and the task-dependent uncertainties is a very effective way to abstract valid information from the input features for accomplishing multiple tasks.

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