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Multi-goal reinforcement learning (RL) aims to qualify the agent to accomplish multi-goal tasks, which is of great importance in learning scalable robotic manipulation skills. However, reward engineering always requires strenuous efforts in…

Robotics · Computer Science 2021-09-27 Deyu Yang , Hanbo Zhang , Xuguang Lan , Jishiyu Ding

(This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible.) To improve the efficiency of deep reinforcement learning (DRL)-based…

Artificial Intelligence · Computer Science 2021-05-25 Gang Peng , Jin Yang , Xinde Lia , Mohammad Omar Khyam

In the field of 3D dynamic scene reconstruction, how to balance model convergence rate and rendering quality has long been a critical challenge that urgently needs to be addressed, particularly in high-precision modeling of scenes with…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Nengbo Lu , Minghua Pan , Shaohua Sun , Yizhou Liang

A single-pass driving clip frequently results in incomplete scanning of the road structure, making reconstructed scene expanding a critical requirement for sensor simulators to effectively regress driving actions. Although contemporary 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Sicong Du , Jiarun Liu , Qifeng Chen , Hao-Xiang Chen , Tai-Jiang Mu , Sheng Yang

We approach the continuous-time mean-variance (MV) portfolio selection with reinforcement learning (RL). The problem is to achieve the best tradeoff between exploration and exploitation, and is formulated as an entropy-regularized, relaxed…

Portfolio Management · Quantitative Finance 2019-05-07 Haoran Wang , Xun Yu Zhou

Since the debut of Evolution Strategies (ES) as a tool for Reinforcement Learning by Salimans et al. 2017, there has been interest in determining the exact relationship between the Evolution Strategies gradient and the gradient of a similar…

Neural and Evolutionary Computing · Computer Science 2020-01-07 John C. Raisbeck , Matthew Allen , Ralph Weissleder , Hyungsoon Im , Hakho Lee

Studies have shown evolution strategies (ES) to be a promising approach for reinforcement learning (RL) with deep neural networks. However, the issue of high sample complexity persists in applications of ES to deep RL over long horizons.…

Neural and Evolutionary Computing · Computer Science 2022-11-15 Nick Zhang , Abhishek Gupta , Zefeng Chen , Yew-Soon Ong

We present RLSS: a reinforcement learning algorithm for sequential scene generation. This is based on employing the proximal policy optimization (PPO) algorithm for generative problems. In particular, we consider how to effectively reduce…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Azimkhon Ostonov , Peter Wonka , Dominik L. Michels

Applying Reinforcement Learning (RL) to sequence generation models enables the direct optimization of long-term rewards (\textit{e.g.,} BLEU and human feedback), but typically requires large-scale sampling over a space of action sequences.…

Computation and Language · Computer Science 2023-08-07 Chenglong Wang , Hang Zhou , Yimin Hu , Yifu Huo , Bei Li , Tongran Liu , Tong Xiao , Jingbo Zhu

A fundamental challenge for machine learning models is how to generalize learned models for out-of-distribution (OOD) data. Among various approaches, exploiting invariant features by Domain Adversarial Training (DAT) received widespread…

Machine Learning · Computer Science 2023-02-02 YiFan Zhang , Xue Wang , Jian Liang , Zhang Zhang , Liang Wang , Rong Jin , Tieniu Tan

This paper introduces an approach that integrates self-adaptive Evolution Strategies (ES) with Large Language Models (LLMs) to enhance the explainability of complex optimization processes. By employing a self-adaptive ES equipped with a…

Neural and Evolutionary Computing · Computer Science 2024-08-06 Jill Baumann , Oliver Kramer

Learning rate scheduling plays a critical role in the optimization of deep neural networks, directly influencing convergence speed, stability, and generalization. While existing schedulers such as cosine annealing, cyclical learning rates,…

Machine Learning · Computer Science 2026-03-05 Ayush K. Varshney , Šarūnas Girdzijauskas , Konstantinos Vandikas , Aneta Vulgarakis Feljan

Deep reinforcement learning has achieved impressive success in control tasks. However, its policies, represented as opaque neural networks, are often difficult for humans to understand, verify, and debug, which undermines trust and hinders…

Machine Learning · Computer Science 2026-03-11 Qinglong Hu , Xialiang Tong , Mingxuan Yuan , Fei Liu , Zhichao Lu , Qingfu Zhang

The study of provable adversarial robustness for deep neural networks (DNNs) has mainly focused on static supervised learning tasks such as image classification. However, DNNs have been used extensively in real-world adaptive tasks such as…

Machine Learning · Computer Science 2022-05-31 Aounon Kumar , Alexander Levine , Soheil Feizi

In this work we propose a novel data-driven, real-time power system voltage control method based on the physics-informed guided meta evolutionary strategy (ES). The main objective is to quickly provide an adaptive control strategy to…

Systems and Control · Electrical Eng. & Systems 2021-11-30 Yan Du , Qiuhua Huang , Renke Huang , Tianzhixi Yin , Jie Tan , Wenhao Yu , Xinya Li

Many evolutionary algorithms (EAs) take advantage of parallel evaluation of candidates. However, if evaluation times vary significantly, many worker nodes (i.e.,\ compute clients) are idle much of the time, waiting for the next generation…

Neural and Evolutionary Computing · Computer Science 2024-01-02 Jason Liang , Hormoz Shahrzad , Risto Miikkulainen

Reinforcement learning has become the central approach for language models (LMs) to learn from environmental reward or feedback. In practice, the environmental feedback is usually sparse and delayed. Learning from such signals is…

Machine Learning · Computer Science 2026-02-17 Taiwei Shi , Sihao Chen , Bowen Jiang , Linxin Song , Longqi Yang , Jieyu Zhao

The local gradient points to the direction of the steepest slope in an infinitesimal neighborhood. An optimizer guided by the local gradient is often trapped in local optima when the loss landscape is multi-modal. A directional Gaussian…

Machine Learning · Computer Science 2020-11-05 Hoang Tran , Guannan Zhang

Evolutionary Reinforcement Learning (ERL) that applying Evolutionary Algorithms (EAs) to optimize the weight parameters of Deep Neural Network (DNN) based policies has been widely regarded as an alternative to traditional reinforcement…

Neural and Evolutionary Computing · Computer Science 2023-02-01 Lan Tang , Xiaxi Li , Jinyuan Zhang , Guiying Li , Peng Yang , Ke Tang

The ability to autonomously explore and resolve tasks with minimal human guidance is crucial for the self-development of embodied intelligence. Although reinforcement learning methods can largely ease human effort, it's challenging to…

Robotics · Computer Science 2024-12-19 Changxin Huang , Yanbin Chang , Junfan Lin , Junyang Liang , Runhao Zeng , Jianqiang Li
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