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Large Language Models (LLMs) often experience performance degradation during long-running interactions due to increasing context length, memory saturation, and computational overhead. This paper presents an adaptive context compression…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Payal Fofadiya , Sunil Tiwari

Long video understanding is essential for human-like intelligence, enabling coherent perception and reasoning over extended temporal contexts. While the emerging thinking-with-frames paradigm, which alternates between global temporal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Pengfei Hu , Meng Cao , Yingyao Wang , Yi Wang , Jiahua Dong , Jun Song , Yu Cheng , Bo Zheng , Xiaodan Liang

Vision-Language Models (VLMs) have enabled substantial progress in video understanding by leveraging cross-modal reasoning capabilities. However, their effectiveness is limited by the restricted context window and the high computational…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zeyu Xu , Junkang Zhang , Qiang Wang , Yi Liu

Recent advancements in video understanding within visual large language models (VLLMs) have led to notable progress. However, the complexity of video data and contextual processing limitations still hinder long-video comprehension. A common…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Yanan Guo , Wenhui Dong , Jun Song , Shiding Zhu , Xuan Zhang , Hanqing Yang , Yingbo Wang , Yang Du , Xianing Chen , Bo Zheng

Vision-Language Models (VLMs) are crucial for applications requiring integrated understanding textual and visual information. However, existing VLMs struggle with long videos due to computational inefficiency, memory limitations, and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Anxhelo Diko , Tinghuai Wang , Wassim Swaileh , Shiyan Sun , Ioannis Patras

Traditional recommendation algorithms are not designed to provide personalized recommendations based on user preferences provided through text, e.g., "I enjoy light-hearted comedies with a lot of humor". Large Language Models (LLMs) have…

Information Retrieval · Computer Science 2025-07-11 Aaron Goldstein , Ayan Dutta

Large pre-trained vision-language (VL) models have shown significant promise in adapting to various downstream tasks. However, fine-tuning the entire network is challenging due to the massive number of model parameters. To address this…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Jingchen Sun , Jiayu Qin , Zihao Lin , Changyou Chen

Vision-language models (VLMs) integrate visual and textual information, enabling a wide range of applications such as image captioning and visual question answering, making them crucial for modern AI systems. However, their high…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Gaurav Shinde , Anuradha Ravi , Emon Dey , Shadman Sakib , Milind Rampure , Nirmalya Roy

Large Language Models (LLMs) increasingly rely on automatic prompt engineering in graphical user interfaces (GUIs) to refine user inputs and enhance response accuracy. However, the diversity of user requirements often leads to unintended…

Computation and Language · Computer Science 2025-06-24 Chong Zhang , Xiang Li , Jia Wang , Shan Liang , Haochen Xue , Xiaobo Jin

Recently, with the rise of web videos, managing and understanding large-scale video datasets has become increasingly important. Video Large Language Models (VideoLLMs) have emerged in recent years due to their strong video understanding…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Hao Liang , Jiapeng Li , Tianyi Bai , Xijie Huang , Linzhuang Sun , Zhengren Wang , Conghui He , Bin Cui , Chong Chen , Wentao Zhang

Research on 3D Vision-Language Models (3D-VLMs) is gaining increasing attention, which is crucial for developing embodied AI within 3D scenes, such as visual navigation and embodied question answering. Due to the high density of visual…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Hongyan Zhi , Peihao Chen , Junyan Li , Shuailei Ma , Xinyu Sun , Tianhang Xiang , Yinjie Lei , Mingkui Tan , Chuang Gan

Large Language Models (LLMs) with billions of parameters are known for their impressive predicting capabilities but require lots of resources to run. With their massive rise in popularity, even a small reduction in required resources could…

Computation and Language · Computer Science 2024-07-30 Domas Grigaliūnas , Mantas Lukoševičius

Engagement recognition in video datasets, unlike traditional image classification tasks, is particularly challenged by subjective labels and noise limiting model performance. To overcome the challenges of subjective and noisy engagement…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Alexander Vedernikov , Puneet Kumar , Haoyu Chen , Tapio Seppänen , Xiaobai Li

High-dimensional similarity search underpins modern retrieval systems, yet uniform search strategies fail to exploit the heterogeneous nature of real-world query distributions. We present an adaptive prefiltering framework that leverages…

Information Retrieval · Computer Science 2026-02-27 Teodor-Ioan Calin

While Video Large Language Models (Video-LLMs) have shown significant potential in multimodal understanding and reasoning tasks, how to efficiently select the most informative frames from videos remains a critical challenge. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Shihao Wang , Guo Chen , De-an Huang , Zhiqi Li , Minghan Li , Guilin Liu , Jose M. Alvarez , Lei Zhang , Zhiding Yu

Current Multimodal Large Language Models (MLLMs) often perform poorly in long video understanding, primarily due to resource limitations that prevent them from processing all video frames and their associated information. Efficiently…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Xuyi Yang , Wenhao Zhang , Hongbo Jin , Lin Liu , Hongbo Xu , Yongwei Nie , Fei Yu , Fei Ma

The rise of short-form video platforms and the emergence of multimodal large language models (MLLMs) have amplified the need for scalable, effective, zero-shot text-to-video retrieval systems. While recent advances in large-scale…

Information Retrieval · Computer Science 2026-02-24 Jiaxin Wu , Xiao-Yong Wei , Qing Li

We study the problem of selecting a subset of vectors from a large set, to obtain the best signal representation over a family of functions. Although greedy methods have been widely used for tackling this problem and many of those have been…

Signal Processing · Electrical Eng. & Systems 2023-05-16 Ehsan Tohidi , Mario Coutino , David Gesbert

Despite recent progress in video and language representation learning, the weak or sparse correspondence between the two modalities remains a bottleneck in the area. Most video-language models are trained via pair-level loss to predict…

Machine Learning · Computer Science 2022-10-12 Zixu Wang , Yujie Zhong , Yishu Miao , Lin Ma , Lucia Specia

Large language models (LLMs) have demonstrated exceptional capabilities in text understanding, which has paved the way for their expansion into video LLMs (Vid-LLMs) to analyze video data. However, current Vid-LLMs struggle to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Ming Nie , Dan Ding , Chunwei Wang , Yuanfan Guo , Jianhua Han , Hang Xu , Li Zhang