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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 35 / No. 11: AAAI-21 Technical Tracks 11

Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction

February 1, 2023

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Authors

Hongyao Tang

College of Intelligence of Computing, Tianjin University


Zhaopeng Meng

College of Intelligence of Computing, Tianjin University


Guangyong Chen

Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences


Pengfei Chen

The Chinese University of Hong Kong


Chen Chen

Huawei Noah’s Ark Lab


Yaodong Yang

Huawei Noah's Ark Lab


Luo Zhang

Tianjin University


Wulong Liu

Huawei Noah's Ark Lab


Jianye Hao

College of Intelligence of Computing, Tianjin University Huawei Noah's Ark Lab


DOI:

10.1609/aaai.v35i11.17182


Abstract:

Value function is the central notion of Reinforcement Learning (RL). Value estimation, especially with function approximation, can be challenging since it involves the stochasticity of environmental dynamics and reward signals that can be sparse and delayed in some cases. A typical model-free RL algorithm usually estimates the values of a policy by Temporal Difference (TD) or Monte Carlo (MC) algorithms directly from rewards, without explicitly taking dynamics into consideration. In this paper, we propose Value Decomposition with Future Prediction (VDFP), providing an explicit two-step understanding of the value estimation process: 1) first foresee the latent future, 2) and then evaluate it. We analytically decompose the value function into a latent future dynamics part and a policy-independent trajectory return part, inducing a way to model latent dynamics and returns separately in value estimation. Further, we derive a practical deep RL algorithm, consisting of a convolutional model to learn compact trajectory representation from past experiences, a conditional variational auto-encoder to predict the latent future dynamics and a convex return model that evaluates trajectory representation. In experiments, we empirically demonstrate the effectiveness of our approach for both off-policy and on-policy RL in several OpenAI Gym continuous control tasks as well as a few challenging variants with delayed reward.

Topics: AAAI

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HOW TO CITE:

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction Proceedings of the AAAI Conference on Artificial Intelligence (2021) 9834-9842.

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction AAAI 2021, 9834-9842.

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao (2021). Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction. Proceedings of the AAAI Conference on Artificial Intelligence, 9834-9842.

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao. Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction. Proceedings of the AAAI Conference on Artificial Intelligence 2021 p.9834-9842.

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao. 2021. Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction. "Proceedings of the AAAI Conference on Artificial Intelligence". 9834-9842.

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao. (2021) "Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction", Proceedings of the AAAI Conference on Artificial Intelligence, p.9834-9842

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao, "Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction", AAAI, p.9834-9842, 2021.

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao. "Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction". Proceedings of the AAAI Conference on Artificial Intelligence, 2021, p.9834-9842.

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao. "Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction". Proceedings of the AAAI Conference on Artificial Intelligence, (2021): 9834-9842.

Hongyao Tang||Zhaopeng Meng||Guangyong Chen||Pengfei Chen||Chen Chen||Yaodong Yang||Luo Zhang||Wulong Liu||Jianye Hao. Foresee then Evaluate: Decomposing Value Estimation with Latent Future Prediction. AAAI[Internet]. 2021[cited 2023]; 9834-9842.


ISSN: 2374-3468


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