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引用次数: 1

摘要

我们提出了一种在强化学习框架中使用风格迁移和对抗学习来学习风格不可知表征的新方法。这里的风格指的是与任务无关的细节,比如图像中背景的颜色,在不同风格的环境中泛化学习到的策略仍然是一个挑战。专注于学习风格不可知表示,我们的方法用一个固有的对抗性风格扰动生成器生成的不同图像风格来训练actor,该生成器在actor和生成器之间进行最小-最大博弈,而不需要专家知识来增强数据或额外的类标签来进行对抗性训练。我们验证了我们的方法在Procgen和distraction Control Suite基准测试上取得了与最先进的方法相比具有竞争力或更好的性能,并进一步研究了从我们的模型中提取的特征,表明该模型更好地捕获了不变量,并且较少受到转移风格的干扰。代码可在https://github.com/POSTECH-CVLab/style-agnostic-RL上获得。
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Style-Agnostic Reinforcement Learning
We present a novel method of learning style-agnostic representation using both style transfer and adversarial learning in the reinforcement learning framework. The style, here, refers to task-irrelevant details such as the color of the background in the images, where generalizing the learned policy across environments with different styles is still a challenge. Focusing on learning style-agnostic representations, our method trains the actor with diverse image styles generated from an inherent adversarial style perturbation generator, which plays a min-max game between the actor and the generator, without demanding expert knowledge for data augmentation or additional class labels for adversarial training. We verify that our method achieves competitive or better performances than the state-of-the-art approaches on Procgen and Distracting Control Suite benchmarks, and further investigate the features extracted from our model, showing that the model better captures the invariants and is less distracted by the shifted style. The code is available at https://github.com/POSTECH-CVLab/style-agnostic-RL.
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