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The rapid growth of video content demands efficient and precise retrieval systems. While vision-language models (VLMs) excel in representation learning, they often struggle with adaptive, time-sensitive video retrieval. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yicheng Duan , Xi Huang , Duo Chen

Fine-grained entity recognition is crucial for reasoning and decision-making in task-oriented dialogues, yet current large language models (LLMs) continue to face challenges in domain adaptation and retrieval controllability. We introduce…

Computation and Language · Computer Science 2025-11-18 Liang Xue , Haoyu Liu , Yajun Tian , Xinyu Zhong , Yang Liu

Event classification is inherently sequential and multimodal. Therefore, deep neural models need to dynamically focus on the most relevant time window and/or modality of a video. In this study, we propose the Multi-level Attention Fusion…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Mathilde Brousmiche , Jean Rouat , Stéphane Dupont

We introduce AutoVER, an Autoregressive model for Visual Entity Recognition. Our model extends an autoregressive Multi-modal Large Language Model by employing retrieval augmented constrained generation. It mitigates low performance on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Zilin Xiao , Ming Gong , Paola Cascante-Bonilla , Xingyao Zhang , Jie Wu , Vicente Ordonez

AI-driven video analytics has become increasingly important across diverse domains. However, existing systems are often constrained to specific, predefined tasks, limiting their adaptability in open-ended analytical scenarios. The recent…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Yuxuan Yan , Shiqi Jiang , Ting Cao , Yifan Yang , Qianqian Yang , Yuanchao Shu , Yuqing Yang , Lili Qiu

Human behavior understanding in videos is a complex, still unsolved problem and requires to accurately model motion at both the local (pixel-wise dense prediction) and global (aggregation of motion cues) levels. Current approaches based on…

Computer Vision and Pattern Recognition · Computer Science 2019-09-19 C. Spampinato , S. Palazzo , P. D'Oro , D. Giordano , M. Shah

The recent success in deep learning has lead to various effective representation learning methods for videos. However, the current approaches for video representation require large amount of human labeled datasets for effective learning. We…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Shruti Vyas , Yogesh S Rawat , Mubarak Shah

Intelligent anomaly detection in dynamic visual environments requires reconciling real-time performance with semantic interpretability. Conventional approaches address only fragments of this challenge. Reconstruction-based models capture…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Tayyab Rehman , Giovanni De Gasperis , Aly Shmahell

Large Multimodal Models (LMMs), or Vision-Language Models (VLMs), have shown impressive capabilities in a wide range of visual tasks. However, they often struggle with fine-grained visual reasoning, failing to identify domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Yucheng Shi , Quanzheng Li , Jin Sun , Xiang Li , Ninghao Liu

Retrieval-Augmented Generation (RAG) combines the language understanding and reasoning power of large language models (LLMs) with external retrieval to enable domain-grounded responses. Effectively adapting RAG systems to domain-specific…

Computation and Language · Computer Science 2026-04-14 Chris Xing Tian , Weihao Xie , Zhen Chen , Zhengyuan Yi , Hui Liu , Haoliang Li , Shiqi Wang , Siwei Ma

The rapid advancement of Multimodal Large Language Models (MLLMs) has extended CLIP-based frameworks to produce powerful, universal embeddings for retrieval tasks. However, existing methods primarily focus on natural images, offering…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Weijian Jian , Yajun Zhang , Dawei Liang , Chunyu Xie , Yixiao He , Dawei Leng , Yuhui Yin

Leveraging multiple Large Language Models(LLMs) has proven effective for addressing complex, high-dimensional tasks, but current approaches often rely on static, manually engineered multi-agent configurations. To overcome these constraints,…

Machine Learning · Computer Science 2025-07-21 Xiaowen Ma , Chenyang Lin , Yao Zhang , Volker Tresp , Yunpu Ma

Retrieval-augmented generation (RAG) combines knowledge from domain-specific sources into large language models to ground answer generation. Current RAG systems lack customizable visibility on the context documents and the model's…

Computation and Language · Computer Science 2024-11-05 Tevin Wang , Jingyuan He , Chenyan Xiong

Effectively retrieving, reasoning, and understanding multimodal information remains a critical challenge for agentic systems. Traditional Retrieval-augmented Generation (RAG) methods rely on linear interaction histories, which struggle to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Qiuchen Wang , Shihang Wang , Yu Zeng , Qiang Zhang , Fanrui Zhang , Zhuoning Guo , Bosi Zhang , Wenxuan Huang , Lin Chen , Zehui Chen , Pengjun Xie , Ruixue Ding

Multimodal Large Language Models (MLLMs) excel at descriptive tasks within images but often struggle with precise object localization, a critical element for reliable visual interpretation. In contrast, traditional object detection models…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Jingru Yang , Huan Yu , Yang Jingxin , Chentianye Xu , Yin Biao , Yu Sun , Shengfeng He

Recent large vision-language models have achieved strong performance on short- and medium-length video understanding, yet they remain inadequate for ultra-long or even infinite video reasoning, where models must preserve coherent memory…

Artificial Intelligence · Computer Science 2026-05-08 Peizheng Yan , Yu Zhao , Liang Xie , Juntong Qi , Mingming Wang , Erwei Yin

Efficiently retrieving and synthesizing information from large-scale multimodal collections has become a critical challenge. However, existing video retrieval datasets suffer from scope limitations, primarily focusing on matching…

In this paper, we propose an end-to-end Retrieval-Augmented Visual Language Model (REVEAL) that learns to encode world knowledge into a large-scale memory, and to retrieve from it to answer knowledge-intensive queries. REVEAL consists of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Ziniu Hu , Ahmet Iscen , Chen Sun , Zirui Wang , Kai-Wei Chang , Yizhou Sun , Cordelia Schmid , David A. Ross , Alireza Fathi

Human action recognition remains an important yet challenging task. This work proposes a novel action recognition system. It uses a novel Multiple View Region Adaptive Multi-resolution in time Depth Motion Map (MV-RAMDMM) formulation…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Mahmoud Al-Faris , John P. Chiverton , Yanyan Yang , David L. Ndzi

We study generalization and knowledge reuse capabilities of deep neural networks in the domain of abstract visual reasoning (AVR), employing Raven's Progressive Matrices (RPMs), a recognized benchmark task for assessing AVR abilities. Two…

Artificial Intelligence · Computer Science 2025-05-19 Mikołaj Małkiński , Jacek Mańdziuk