Curriculum Learning for Vision-and-Language NavigationDownload PDF

21 May 2021, 20:49 (modified: 21 Jan 2022, 19:58)NeurIPS 2021 PosterReaders: Everyone
Keywords: Vision-and-language navigation, curriculum learning, multimodal learning
TL;DR: We propose to use an efficient curriculum learning method for vision-and-language navigation task.
Abstract: Vision-and-Language Navigation (VLN) is a task where an agent navigates in an embodied indoor environment under human instructions. Previous works ignore the distribution of sample difficulty and we argue that this potentially degrade their agent performance. To tackle this issue, we propose a novel curriculum- based training paradigm for VLN tasks that can balance human prior knowledge and agent learning progress about training samples. We develop the principle of curriculum design and re-arrange the benchmark Room-to-Room (R2R) dataset to make it suitable for curriculum training. Experiments show that our method is model-agnostic and can significantly improve the performance, the generalizability, and the training efficiency of current state-of-the-art navigation agents without increasing model complexity.
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