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Current vision-language models (VLMs) still exhibit inferior performance on knowledge-intensive tasks, primarily due to the challenge of accurately encoding all the associations between visual objects and scenes to their corresponding…

计算与语言 · 计算机科学 2024-10-16 Jingyuan Qi , Zhiyang Xu , Rulin Shao , Yang Chen , Jin Di , Yu Cheng , Qifan Wang , Lifu Huang

Vision-language-action (VLA) models finetuned from vision-language models (VLMs) hold the promise of leveraging rich pretrained representations to build generalist robots across diverse tasks and environments. However, direct fine-tuning on…

机器人学 · 计算机科学 2025-09-18 Shresth Grover , Akshay Gopalkrishnan , Bo Ai , Henrik I. Christensen , Hao Su , Xuanlin Li

Large Language Models (LLMs) have transformed both everyday life and scientific research. However, adapting LLMs from general-purpose models to specialized tasks remains challenging, particularly in resource-constrained environments.…

机器学习 · 计算机科学 2025-09-12 Hao Zhang , Bo Huang , Zhenjia Li , Xi Xiao , Hui Yi Leong , Zumeng Zhang , Xinwei Long , Tianyang Wang , Hao Xu

Pretrained on web-scale open data, VLMs offer powerful capabilities for solving downstream tasks after being adapted to task-specific labeled data. Yet, data labeling can be expensive and may demand domain expertise. Active Learning (AL)…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Tong Wang , Jiaqi Wang , Shu Kong

Instruction fine-tuning of large language models (LLMs) is a powerful method for improving task-specific performance, but it can inadvertently lead to a phenomenon where models generate harmful responses when faced with malicious prompts.…

计算与语言 · 计算机科学 2025-08-13 Satya Swaroop Gudipudi , Sreeram Vipparla , Harpreet Singh , Shashwat Goel , Ponnurangam Kumaraguru

Human action recognition in long-term videos, characterized by complex backgrounds and subtle action differences, poses significant challenges for traditional deep learning models due to computational overhead, difficulty in capturing…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Kaining Li , Shuwei He , Zihan Xu

Pre-trained large vision-language models (VLMs) like CLIP demonstrate impressive generalization ability. Existing prompt-based and adapter-based works have made significant progress in fine-tuning VLMs but still face the challenges of…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Jiahui Wang , Qin Xu , Bo Jiang , Bin Luo

Automatic machine learning (\AML) is a family of techniques to automate the process of training predictive models, aiming to both improve performance and make machine learning more accessible. While many recent works have focused on aspects…

机器学习 · 计算机科学 2020-03-24 Nadiia Chepurko , Ryan Marcus , Emanuel Zgraggen , Raul Castro Fernandez , Tim Kraska , David Karger

A long-standing challenge in developing accurate recommendation models is simulating user behavior, mainly due to the complex and stochastic nature of user interactions. Towards this, one promising line of work has been the use of Large…

信息检索 · 计算机科学 2025-09-15 Himanshu Thakur , Eshani Agrawal , Smruthi Mukund

Understanding long-form video content presents significant challenges due to its temporal complexity and the substantial computational resources required. In this work, we propose an agent-based approach to enhance both the efficiency and…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Sullam Jeoung , Goeric Huybrechts , Bhavana Ganesh , Aram Galstyan , Sravan Bodapati

Recently, large multimodal models (LMMs) have achieved significant advancements. When dealing with high-resolution images, dominant LMMs typically divide them into multiple local images and a global image, leading to a large number of…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Zhibin Lan , Liqiang Niu , Fandong Meng , Wenbo Li , Jie Zhou , Jinsong Su

Force/torque feedback can substantially improve Vision-Language-Action (VLA) models on contact-rich manipulation, but most existing approaches fuse all modalities at a single operating frequency. This design ignores the mismatched sampling…

Conventional Low-Rank Adaptation (LoRA) methods employ a fixed rank, imposing uniform adaptation across transformer layers and attention heads despite their heterogeneous learning dynamics. This paper introduces Adaptive Rank Dynamic LoRA…

机器学习 · 计算机科学 2025-12-19 Haseeb Ullah Khan Shinwari , Muhammad Usama

Fine-tuning large language models (LLMs) aims to adapt pre-trained models to specific tasks using relatively small and domain-specific datasets. Among Parameter-Efficient Fine-Tuning (PEFT) methods, Low-Rank Adaptation (LoRA) stands out by…

计算与语言 · 计算机科学 2026-04-16 Yarui Cao , Kai Liu

Fine-tuning Large Language Models (LLMs) has become a crucial technique for adapting pre-trained models to downstream tasks. However, the enormous size of LLMs poses significant challenges in terms of computational complexity and resource…

计算与语言 · 计算机科学 2024-10-28 Yifei Zhang , Hao Zhu , Aiwei Liu , Han Yu , Piotr Koniusz , Irwin King

Explorations in fine-tuning Vision-Language Models (VLMs), such as Low-Rank Adaptation (LoRA) from Parameter Efficient Fine-Tuning (PEFT), have made impressive progress. However, most approaches rely on explicit weight updates, overlooking…

机器学习 · 计算机科学 2025-12-30 Mingyuan Zhang , Yue Bai , Yifan Wang , Yiyang Huang , Yun Fu

Low-Rank Adaptation (LoRA) has emerged as one of the most widely used parameter-efficient fine-tuning (PEFT) methods for adapting large language models (LLMs) to downstream tasks. While highly effective in single-task settings, it struggles…

计算与语言 · 计算机科学 2025-10-14 Bo Cheng , Xu Wang , Jinda Liu , Yi Chang , Yuan Wu

Vision-language models (VLMs) demonstrate impressive zero-shot and few-shot learning capabilities, making them essential for several downstream tasks. However, fine-tuning these models at scale remains challenging, particularly in federated…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Arkajyoti Mitra , Afia Anjum , Paul Agbaje , Mert Pesé , Habeeb Olufowobi

Long-form video understanding remains challenging for Vision-Language Models (VLMs) due to the inherent tension between computational constraints and the need to capture information distributed across thousands of frames. Existing…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Junbo Zou , Ziheng Huang , Shengjie Zhang , Liwen Zhang , Weining Shen

Multimodal object detection offers a promising prospect to facilitate robust detection in various visual conditions. However, existing two-stream backbone networks are challenged by complex fusion and substantial parameter increments. This…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Weiying Xie , Yusi Zhang , Tianlin Hui , Jiaqing Zhang , Jie Lei , Yunsong Li