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Reinforcement Learning (RL) can be considered as a sequence modeling task: given a sequence of past state-action-reward experiences, an agent predicts a sequence of next actions. In this work, we propose State-Action-Reward Transformer…

Machine Learning · Computer Science 2023-01-05 Jinghuan Shang , Kumara Kahatapitiya , Xiang Li , Michael S. Ryoo

Safe Reinforcement Learning (RL) aims to find a policy that achieves high rewards while satisfying cost constraints. When learning from scratch, safe RL agents tend to be overly conservative, which impedes exploration and restrains the…

Robotics · Computer Science 2023-10-16 Jinning Li , Xinyi Liu , Banghua Zhu , Jiantao Jiao , Masayoshi Tomizuka , Chen Tang , Wei Zhan

Labels are widely used in augmented reality (AR) to display digital information. Ensuring the readability of AR labels requires placing them occlusion-free while keeping visual linkings legible, especially when multiple labels exist in the…

Human-Computer Interaction · Computer Science 2024-05-14 Chen Zhu-Tian , Daniele Chiappalupi , Tica Lin , Yalong Yang , Johanna Beyer , Hanspeter Pfister

Reward design remains a critical bottleneck in visual reinforcement learning (RL) for robotic manipulation. In simulated environments, rewards are conventionally designed based on the distance to a target position. However, such precise…

Machine Learning · Computer Science 2025-09-29 Nan Tang , Jing-Cheng Pang , Guanlin Li , Chao Qian , Yang Yu

Temporal information is essential to learning effective policies with Reinforcement Learning (RL). However, current state-of-the-art RL algorithms either assume that such information is given as part of the state space or, when learning…

Machine Learning · Computer Science 2021-01-07 Wenling Shang , Xiaofei Wang , Aravind Srinivas , Aravind Rajeswaran , Yang Gao , Pieter Abbeel , Michael Laskin

Distributed Deep Reinforcement Learning (DRL) aims to leverage more computational resources to train autonomous agents with less training time. Despite recent progress in the field, reproducibility issues have not been sufficiently…

Machine Learning · Computer Science 2023-10-03 Shengyi Huang , Jiayi Weng , Rujikorn Charakorn , Min Lin , Zhongwen Xu , Santiago Ontañón

Registration between preoperative CT and intraoperative laparoscopic video plays a crucial role in augmented reality (AR) guidance for minimally invasive surgery. Learning-based methods have recently achieved registration errors comparable…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Hanyuan Zhang , Lucas He , Zijie Cheng , Abdolrahim Kadkhodamohammadi , Danail Stoyanov , Brian R. Davidson , Evangelos B. Mazomenos , Matthew. J Clarkson

Despite recent progress in large-scale reinforcement learning (RL) for reasoning, the training recipe for building high-performing reasoning models remains elusive. Key implementation details of frontier models, such as DeepSeek-R1,…

Machine Learning · Computer Science 2025-06-06 Yang Chen , Zhuolin Yang , Zihan Liu , Chankyu Lee , Peng Xu , Mohammad Shoeybi , Bryan Catanzaro , Wei Ping

Real-time talking avatar generation requires low latency and minute-level temporal stability. Autoregressive (AR) forcing enables streaming inference but suffers from exposure bias, which causes errors to accumulate and become irreversible…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Liyuan Cui , Wentao Hu , Wenyuan Zhang , Zesong Yang , Fan Shi , Xiaoqiang Liu

We study online fine-tuning of pretrained control policies for autonomous driving using Real-Time Recurrent Reinforcement Learning (RTRRL), a memory-efficient algorithm that updates policy parameters at every time step without…

Robotics · Computer Science 2026-05-19 Julian Lemmel , Felix Resch , Mónika Farsang , Ramin Hasani , Daniela Rus , Radu Grosu

Reinforcement learning (RL) has emerged as a powerful paradigm for fine-tuning large-scale generative models, such as diffusion and flow models, to align with complex human preferences and user-specified tasks. A fundamental limitation…

Machine Learning · Computer Science 2026-01-21 Jinmei Liu , Haoru Li , Zhenhong Sun , Chaofeng Chen , Yatao Bian , Bo Wang , Daoyi Dong , Chunlin Chen , Zhi Wang

Dynamic adaptive streaming over HTTP (DASH) has been widely used in video streaming recently. In DASH, the client downloads video chunks in order from a server. The rate adaptation function at the video client enhances the user's…

Networking and Internet Architecture · Computer Science 2023-08-24 Nghia T. Nguyen , Long Luu , Phuong L. Vo , Thi Thanh Sang Nguyen , Cuong T. Do , Ngoc-thanh Nguyen

We propose a streaming non-autoregressive (non-AR) decoding algorithm to deliberate the hypothesis alignment of a streaming RNN-T model. Our algorithm facilitates a simple greedy decoding procedure, and at the same time is capable of…

Computation and Language · Computer Science 2022-04-18 Weiran Wang , Ke Hu , Tara N. Sainath

Reinforcement learning from verifiable rewards (RLVR) has demonstrated remarkable effectiveness in improving the reasoning capabilities of large language models. As models evolve into natively multimodal architectures, extending RLVR to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Chuanyu Qin , Chenxu Yang , Qingyi Si , Naibin Gu , Dingyu Yao , Zheng Lin , Peng Fu , Nan Duan , Jiaqi Wang

The learning objective of vision-language approach of CLIP does not effectively account for the noisy many-to-many correspondences found in web-harvested image captioning datasets, which contributes to its compute and data inefficiency. To…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Alex Andonian , Shixing Chen , Raffay Hamid

Recent advances in autoregressive video diffusion have enabled real-time frame streaming, yet existing solutions still suffer from temporal repetition, drift, and motion deceleration. We find that naively applying StreamingLLM-style…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Jung Yi , Wooseok Jang , Paul Hyunbin Cho , Jisu Nam , Heeji Yoon , Seungryong Kim

Autoregressive (AR) Large Language Models (LLMs) have demonstrated significant success across numerous tasks. However, the AR modeling paradigm presents certain limitations; for instance, contemporary autoregressive LLMs are trained to…

Machine Learning · Computer Science 2025-02-10 Justin Deschenaux , Caglar Gulcehre

In recent years, a variety of tasks have been accomplished by deep reinforcement learning (DRL). However, when applying DRL to tasks in a real-world environment, designing an appropriate reward is difficult. Rewards obtained via actual…

Machine Learning · Computer Science 2023-10-04 Kanata Suzuki , Tetsuya Ogata

Diffusion models excel at modeling complex data distributions, including those of images, proteins, and small molecules. However, in many cases, our goal is to model parts of the distribution that maximize certain properties: for example,…

Artificial intelligence (AI) and neuroscience share a rich history, with advancements in neuroscience shaping the development of AI systems capable of human-like knowledge retention. Leveraging insights from neuroscience and existing…

Machine Learning · Computer Science 2024-04-24 Hikmat Khan , Nidhal Carla Bouaynaya , Ghulam Rasool