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Towards Generalization in Target-Driven Visual Navigation by Using Deep Reinforcement Learning
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DOI：10.1109/TRO.2020.2994002.png)
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摘要
En 中文
Among the main challenges in robotics, target-driven visual navigation has gained increasing interest in recent years. In this task, an agent has to navigate in an environment to reach a user specified target, only through vision. Recent fruitful approaches rely on deep reinforcement learning, which has proven to be an effective framework to learn navigation policies. However, current state-of-the-art methods require to retrain, or at least fine-tune, the model for every new environment and object. In real scenarios, this operation can be extremely challenging or even dangerous. For these reasons, we address generalization in target-driven visual navigation by proposing a novel architecture composed of two networks, both exclusively trained in simulation. The first one has the objective of exploring the environment, while the other one of locating the target. They are specifically designed to work together, while separately trained to help generalization. In this article, we test our agent in both simulated and real scenarios, and validate its generalization capabilities through extensive experiments with previously unseen goals and unknown mazes, even much larger than the ones used for training.
Keyword:
Navigation
Visualization
Task analysis
Training
Machine learning
Simultaneous localization and mapping
Deep learning in robotics and automation
target-driven visual navigation
visual-based navigation
visual learning
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3.3K
被引数:
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