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Video Large Language Models (Video-LLMs) excel at understanding videos in-context, provided they have full access to the video when answering queries. However, these models face challenges in streaming scenarios where hour-long videos must…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Vaggelis Dorovatas , Soroush Seifi , Gunshi Gupta , Rahaf Aljundi

This paper explores the potential of Large Language Models(LLMs) in zero-shot anomaly detection for safe visual navigation. With the assistance of the state-of-the-art real-time open-world object detection model Yolo-World and specialized…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Hao Wang , Jiayou Qin , Ashish Bastola , Xiwen Chen , John Suchanek , Zihao Gong , Abolfazl Razi

Despite significant advances in Multimodal Large Language Models (MLLMs), understanding complex temporal dynamics in videos remains a major challenge. Our experiments show that current Video Large Language Model (Video-LLM) architectures…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Ali Rasekh , Erfan Bagheri Soula , Omid Daliran , Simon Gottschalk , Mohsen Fayyaz

Vision Language Models (VLMs) have become essential backbones for multimodal intelligence, yet significant safety challenges limit their real-world application. While textual inputs are often effectively safeguarded, adversarial visual…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Yi Ding , Bolian Li , Ruqi Zhang

Temporal Video Grounding (TVG), the task of locating specific video segments based on language queries, is a core challenge in long-form video understanding. While recent Large Vision-Language Models (LVLMs) have shown early promise in…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Ye Wang , Ziheng Wang , Boshen Xu , Yang Du , Kejun Lin , Zihan Xiao , Zihao Yue , Jianzhong Ju , Liang Zhang , Dingyi Yang , Xiangnan Fang , Zewen He , Zhenbo Luo , Wenxuan Wang , Junqi Lin , Jian Luan , Qin Jin

Automating the detection of anomalous events within long video sequences is challenging due to the ambiguity of how such events are defined. We approach the problem by learning generative models that can identify anomalies in videos using…

计算机视觉与模式识别 · 计算机科学 2016-12-16 Jefferson Ryan Medel , Andreas Savakis

Adapting Multimodal Large Language Models (MLLMs) for hour-long videos is bottlenecked by context limits. Dense visual streams saturate token budgets and exacerbate the lost-in-the-middle phenomenon. Existing heuristics, like sparse…

This paper presents VideoStreaming, an advanced vision-language large model (VLLM) for video understanding, that capably understands arbitrary-length video with a constant number of video tokens streamingly encoded and adaptively selected.…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Rui Qian , Xiaoyi Dong , Pan Zhang , Yuhang Zang , Shuangrui Ding , Dahua Lin , Jiaqi Wang

Subtle abnormal events in videos often manifest as weak spatio-temporal cues that are easily overlooked by conventional anomaly detection systems. Existing video anomaly detection approaches typically provide coarse binary anomaly decisions…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Jihao Gu , Kun Li , He Wang , Kaan Akşit

Video large language models (Video-LLMs) can temporally ground language queries and retrieve video moments. Yet, such temporal comprehension capabilities are neither well-studied nor understood. So we conduct a study on prediction…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Minjoon Jung , Junbin Xiao , Byoung-Tak Zhang , Angela Yao

The Large Vision-Language Model (LVLM) has enhanced the performance of various downstream tasks in visual-language understanding. Most existing approaches encode images and videos into separate feature spaces, which are then fed as inputs…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Bin Lin , Yang Ye , Bin Zhu , Jiaxi Cui , Munan Ning , Peng Jin , Li Yuan

The development of Multi-modal Large Language Models (MLLMs) enhances Large Language Models (LLMs) with the ability to perceive data formats beyond text, significantly advancing a range of downstream applications, such as visual question…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Minbin Huang , Runhui Huang , Han Shi , Yimeng Chen , Chuanyang Zheng , Xiangguo Sun , Xin Jiang , Zhenguo Li , Hong Cheng

Predicting temporal progress from visual trajectories is important for intelligent robots that can learn, adapt, and improve. However, learning such progress estimator, or temporal value function, across different tasks and domains requires…

Video Large Language Models (Video LLMs) have achieved impressive performance on video-and-language tasks, such as video question answering. However, most existing Video LLMs neglect temporal information in video data, leading to struggles…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Zi-Yuan Hu , Yiwu Zhong , Shijia Huang , Michael R. Lyu , Liwei Wang

Token-based video representation has emerged as a promising approach for enabling large language models (LLMs) to interpret video content. However, existing token reduction techniques, such as pruning and merging, often disrupt essential…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Haichao Zhang , Yun Fu

Anomaly analysis in surveillance videos is a crucial topic in computer vision. In recent years, multimodal large language models (MLLMs) have outperformed task-specific models in various domains. Although MLLMs are particularly versatile,…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Haoran Chen , Dong Yi , Moyan Cao , Chensen Huang , Guibo Zhu , Jinqiao Wang

Fueled by the Large Language Models (LLMs) wave, Large Visual-Language Models (LVLMs) have emerged as a pivotal advancement, bridging the gap between image and text. However, video making it challenging for LVLMs to perform adequately due…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Yang Liu , Pengxiang Ding , Siteng Huang , Min Zhang , Han Zhao , Donglin Wang

While Large Language Models (LLMs) dominate tasks like natural language processing and computer vision, harnessing their power for spatial-temporal forecasting remains challenging. The disparity between sequential text and complex…

机器学习 · 计算机科学 2024-05-20 Lei Liu , Shuo Yu , Runze Wang , Zhenxun Ma , Yanming Shen

The rapid increase in video content production has resulted in enormous data volumes, creating significant challenges for efficient analysis and resource management. To address this, robust video analysis tools are essential. This paper…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Ulindu De Silva , Leon Fernando , Billy Lau Pik Lik , Zann Koh , Sam Conrad Joyce , Belinda Yuen , Chau Yuen

Video anomaly retrieval aims to localize anomalous events in videos using natural language queries to facilitate public safety. However, existing datasets suffer from severe limitations: (1) data scarcity due to the long-tail nature of…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Shuyu Yang , Yilun Wang , Yaxiong Wang , Li Zhu , Zhedong Zheng