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Recently, the tokens of images share the same static data flow in many dense networks. However, challenges arise from the variance among the objects in images, such as large variations in the spatial scale and difficulties of recognition…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Yuchen Ma , Zhengcong Fei , Junshi Huang

One of the main challenges in reinforcement learning (RL) is that the agent has to make decisions that would influence the future performance without having complete knowledge of the environment. Dynamically adjusting the level of epistemic…

Machine Learning · Computer Science 2026-03-02 Yupeng Wu , Wenyun Li , Wenjie Huang , Chin Pang Ho

Dynamic Difficulty Adjustment (DDA) is a viable approach to enhance a player's experience in video games. Recently, Reinforcement Learning (RL) methods have been employed for DDA in non-competitive games; nevertheless, they rely solely on…

Human-Computer Interaction · Computer Science 2023-08-25 Masoud Rahimi , Hadi Moradi , Abdol-hossein Vahabie , Hamed Kebriaei

Our work tackles the computational challenges of contrastive learning methods, particularly for the pretraining of Vision Transformers (ViTs). Despite the effectiveness of contrastive learning, the substantial computational resources…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Jinhong Lin , Cheng-En Wu , Yibing Wei , Pedro Morgado

We consider distributed online min-max resource allocation with a set of parallel agents and a parameter server. Our goal is to minimize the pointwise maximum over a set of time-varying and decreasing cost functions, without a priori…

Information Theory · Computer Science 2023-07-21 Jingrong Wang , Ben Liang

Transformers, composed of multiple self-attention layers, hold strong promises toward a generic learning primitive applicable to different data modalities, including the recent breakthroughs in computer vision achieving state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Sayak Paul , Pin-Yu Chen

We present an approach for reconfiguration of dynamic visual sensor networks with deep reinforcement learning (RL). Our RL agent uses a modified asynchronous advantage actor-critic framework and the recently proposed Relational Network…

Machine Learning · Computer Science 2018-08-14 Paul Jasek , Bernard Abayowa

Existing Multimodal Large Language Models (MLLMs) suffer from increased inference costs due to the additional vision tokens introduced by image inputs. In this work, we propose Visual Consistency Learning (ViCO), a novel training algorithm…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Long Cui , Weiyun Wang , Jie Shao , Zichen Wen , Gen Luo , Linfeng Zhang , Yanting Zhang , Yu Qiao , Wenhai Wang

Attention is sparse in vision transformers. We observe the final prediction in vision transformers is only based on a subset of most informative tokens, which is sufficient for accurate image recognition. Based on this observation, we…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Yongming Rao , Wenliang Zhao , Benlin Liu , Jiwen Lu , Jie Zhou , Cho-Jui Hsieh

The stability of visual odometry (VO) systems is undermined by degraded image quality, especially in environments with significant illumination changes. This study employs a deep reinforcement learning (DRL) framework to train agents for…

Robotics · Computer Science 2024-12-24 Shuyang Zhang , Jinhao He , Yilong Zhu , Jin Wu , Jie Yuan

Our research investigates the challenges Deep Reinforcement Learning (DRL) faces in complex, Partially Observable Markov Decision Processes (POMDP) such as autonomous driving (AD), and proposes a solution for vision-based navigation in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Shawan Mohammed , Alp Argun , Nicolas Bonnotte , Gerd Ascheid

Vision-language model (VLM) based GUI agents show promise for automating complex desktop and mobile tasks, but face significant challenges in applying reinforcement learning (RL): (1) slow multi-turn interactions with GUI environments for…

Vision-Language-Action (VLA) models have shown substantial potential in real-world robotic manipulation. However, fine-tuning these models through supervised learning struggles to achieve robust performance due to limited, inconsistent…

Robotics · Computer Science 2025-04-15 Yuhui Chen , Shuai Tian , Shugao Liu , Yingting Zhou , Haoran Li , Dongbin Zhao

Vision Transformers (ViTs) have achieved state-of-the-art accuracy on various computer vision tasks. However, their high computational complexity prevents them from being applied to many real-world applications. Weight and token pruning are…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-15 Dhruv Parikh , Shouyi Li , Bingyi Zhang , Rajgopal Kannan , Carl Busart , Viktor Prasanna

Parameter Server (PS) and Ring-AllReduce (RAR) are two widely utilized synchronization architectures in multi-worker Deep Learning (DL), also referred to as Distributed Deep Learning (DDL). However, PS encounters challenges with the…

Networking and Internet Architecture · Computer Science 2024-07-30 Zixuan Chen , Xuandong Liu , Minglin Li , Yinfan Hu , Hao Mei , Huifeng Xing , Hao Wang , Wanxin Shi , Sen Liu , Yang Xu

Vision Transformers (ViTs) have emerged as powerful models in the field of computer vision, delivering superior performance across various vision tasks. However, the high computational complexity poses a significant barrier to their…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Xinjian Wu , Fanhu Zeng , Xiudong Wang , Xinghao Chen

There still remains an extreme performance gap between Vision Transformers (ViTs) and Convolutional Neural Networks (CNNs) when training from scratch on small datasets, which is concluded to the lack of inductive bias. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Zhiying Lu , Hongtao Xie , Chuanbin Liu , Yongdong Zhang

Vision-language models (VLMs) have achieved remarkable multimodal understanding and reasoning capabilities, yet remain computationally expensive due to dense visual tokenization. Existing efficiency approaches either merge redundant visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Aditya Kumar Singh , Hitesh Kandala , Pratik Prabhanjan Brahma , Zicheng Liu , Emad Barsoum

Vision transformers (ViT) usually extract features via forwarding all the tokens in the self-attention layers from top to toe. In this paper, we introduce dynamic token-pass vision transformers (DoViT) for semantic segmentation, which can…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Yuang Liu , Qiang Zhou , Jing Wang , Fan Wang , Jun Wang , Wei Zhang

Vision-Language-Action (VLA) models enable embodied decision-making but rely heavily on imitation learning, leading to compounding errors and poor robustness under distribution shift. Reinforcement learning (RL) can mitigate these issues…