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Real-time motion-controllable video generation remains challenging due to the inherent latency of bidirectional diffusion models and the lack of effective autoregressive (AR) approaches. Existing AR video diffusion models are limited to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Kesen Zhao , Jiaxin Shi , Beier Zhu , Junbao Zhou , Xiaolong Shen , Yuan Zhou , Qianru Sun , Hanwang Zhang

We propose TraceRL, a trajectory-aware reinforcement learning framework for diffusion language models (DLMs) that incorporates preferred inference trajectory into post-training, and is applicable across different architectures. Equipped…

Computation and Language · Computer Science 2025-09-09 Yinjie Wang , Ling Yang , Bowen Li , Ye Tian , Ke Shen , Mengdi Wang

Over the past decade, neural network solvers powered by generative artificial intelligence have garnered significant attention in the domain of vehicle routing problems (VRPs), owing to their exceptional computational efficiency and…

Machine Learning · Computer Science 2026-03-10 Zhenwei Wang , Tiehua Zhang , Ning Xue , Ender Ozcan , Ling Wang , Ruibin Bai

Balancing exploration and exploitation during reinforcement learning fine-tuning of generative models presents a critical challenge, as existing approaches rely on fixed divergence regularization that creates an inherent dilemma: strong…

Machine Learning · Computer Science 2025-10-22 Jiajun Fan , Tong Wei , Chaoran Cheng , Yuxin Chen , Ge Liu

Existing offline reinforcement learning (RL) methods face a few major challenges, particularly the distributional shift between the learned policy and the behavior policy. Offline Meta-RL is emerging as a promising approach to address these…

Machine Learning · Computer Science 2022-07-14 Sen Lin , Jialin Wan , Tengyu Xu , Yingbin Liang , Junshan Zhang

Autoregressive (AR) models have achieved remarkable success in image synthesis, yet their sequential nature imposes significant latency constraints. Speculative Decoding offers a promising avenue for acceleration, but existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Elia Peruzzo , Guillaume Sautière , Amirhossein Habibian

While diffusion models demonstrate strong generative capabilities in image restoration (IR) tasks, their complex architectures and iterative processes limit their practical application compared to mainstream reconstruction-based general…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Xin Lu , Xueyang Fu , Jie Xiao , Zihao Fan , Yurui Zhu , Zheng-Jun Zha

Recently, reinforcement learning (RL) has been employed for improving generative image super-resolution (ISR) performance. However, the current efforts are focused on multi-step generative ISR, while one-step generative ISR remains…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Qiaosi Yi , Shuai Li , Rongyuan Wu , Lingchen Sun , Zhengqiang Zhang , Lei Zhang

This paper considers the problem of multi-target detection for massive multiple input multiple output (MMIMO) cognitive radar (CR). The concept of CR is based on the perception-action cycle that senses and intelligently adapts to the…

Signal Processing · Electrical Eng. & Systems 2021-03-03 Aya Mostafa Ahmed , Alaa Alameer Ahmad , Stefano Fortunati , Aydin Sezgin , Maria S. Greco , Fulvio Gini

Radiologists highly desire fully automated AI for radiology report generation (R2G), yet existing approaches fall short in clinical utility. Reinforcement learning (RL) holds potential to address these shortcomings, but its adoption in this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Zilin Lu , Ruifeng Yuan , Weiwei Cao , Wanxing Chang , Zhongyu Wei , Sinuo Wang , Yong Xia , Ling Zhang , Jianpeng Zhang

For deep reinforcement learning (RL) from pixels, learning effective state representations is crucial for achieving high performance. However, in practice, limited experience and high-dimensional inputs prevent effective representation…

Machine Learning · Computer Science 2022-10-11 Tao Yu , Zhizheng Zhang , Cuiling Lan , Yan Lu , Zhibo Chen

Masked Autoregressive (MAR) models promise better efficiency in visual generation than autoregressive (AR) models for the ability of parallel generation, yet their acceleration potential remains constrained by the modeling complexity of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Feihong Yan , Peiru Wang , Yao Zhu , Kaiyu Pang , Qingyan Wei , Huiqi Li , Linfeng Zhang

Intent detection, a critical component in task-oriented dialogue (TOD) systems, faces significant challenges in adapting to the rapid influx of integrable tools with complex interrelationships. Existing approaches, such as zero-shot…

Computation and Language · Computer Science 2025-04-22 Zihao Feng , Xiaoxue Wang , Ziwei Bai , Donghang Su , Bowen Wu , Qun Yu , Baoxun Wang

We consider the distributed pose-graph optimization (PGO) problem, which is fundamental in accurate trajectory estimation in multi-robot simultaneous localization and mapping (SLAM). Conventional iterative approaches linearize a highly…

Robotics · Computer Science 2025-10-28 Sai Krishna Ghanta , Ramviyas Parasuraman

Autoregressive (AR) video diffusion is a powerful paradigm for streaming and interactive video generation. However, its reliance on softmax self-attention leads to quadratic compute complexity in sequence length and memory usage due to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Kunyang Li , Mubarak Shah , Yuzhang Shang

Generative artificial intelligence holds significant potential for abuse, and generative image detection has become a key focus of research. However, existing methods primarily focused on detecting a specific generative model and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Peipei Yuan , Zijing Xie , Shuo Ye , Hong Chen , Yulong Wang

Recent advances demonstrate that reinforcement learning with verifiable rewards (RLVR) significantly enhances the reasoning capabilities of large language models (LLMs). However, standard RLVR faces challenges with reward sparsity, where…

Reinforcement learning (RL) has emerged as the predominant paradigm for training large language model (LLM)-based AI agents. However, existing backbone RL algorithms lack verified convergence guarantees in agentic scenarios, especially in…

Artificial Intelligence · Computer Science 2026-02-09 Tianyi Hu , Qingxu Fu , Yanxi Chen , Zhaoyang Liu , Bolin Ding

Large language models (LLMs) deployed on edge servers are increasingly used in latency-sensitive applications such as personalized assistants, recommendation, and content moderation. However, the non-stationary nature of user data…

Machine Learning · Computer Science 2025-10-07 Yufei Li , Yu Fu , Yue Dong , Cong Liu

Recent advances in reinforcement learning (RL) have demonstrated the powerful exploration capabilities and multimodality of generative diffusion-based policies. While substantial progress has been made in offline RL and off-policy RL…

Machine Learning · Computer Science 2026-01-23 Shutong Ding , Ke Hu , Shan Zhong , Haoyang Luo , Weinan Zhang , Jingya Wang , Jun Wang , Ye Shi