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Ad-hoc Video Search (AVS) enables users to search for unlabeled video content using on-the-fly textual queries. Current deep learning-based models for AVS are trained to optimize holistic similarity between short videos and their associated…

多媒体 · 计算机科学 2024-01-17 Aozhu Chen , Fangming Zhou , Ziyuan Wang , Xirong Li

Multi-modal Large language models (MLLMs) show remarkable ability in video understanding. Nevertheless, understanding long videos remains challenging as the models can only process a finite number of frames in a single inference,…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Yucheng Suo , Fan Ma , Linchao Zhu , Tianyi Wang , Fengyun Rao , Yi Yang

Recent advancements in language-model-based video understanding have been progressing at a remarkable pace, spurred by the introduction of Large Language Models (LLMs). However, the focus of prior research has been predominantly on devising…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Yizhou Wang , Ruiyi Zhang , Haoliang Wang , Uttaran Bhattacharya , Yun Fu , Gang Wu

In this paper, we introduce PruneVid, a visual token pruning method designed to enhance the efficiency of multi-modal video understanding. Large Language Models (LLMs) have shown promising performance in video tasks due to their extended…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Xiaohu Huang , Hao Zhou , Kai Han

In recent years, the development of Large Language Models (LLMs) has significantly advanced, extending their capabilities to multimodal tasks through Multimodal Large Language Models (MLLMs). However, video understanding remains a…

Recent developments in Multimodal Large Language Models (MLLMs) have significantly improved Vision-Language (VL) reasoning in 2D domains. However, extending these capabilities to 3D scene understanding remains a major challenge. Existing 3D…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Haijier Chen , Bo Xu , Shoujian Zhang , Haoze Liu , Jiaxuan Lin , Jingrong Wang

This paper presents Audio-Visual LLM, a Multimodal Large Language Model that takes both visual and auditory inputs for holistic video understanding. A key design is the modality-augmented training, which involves the integration of…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Fangxun Shu , Lei Zhang , Hao Jiang , Cihang Xie

Multi-view multi-label learning frequently suffers from simultaneous feature absence and incomplete annotations, due to challenges in data acquisition and cost-intensive supervision. To tackle the complex yet highly practical problem while…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Quanjiang Li , Zhiming Liu , Tianxiang Xu , Tingjin Luo , Chenping Hou

Multimedia information retrieval from videos remains a challenging problem. While recent systems have advanced multimodal search through semantic, object, and OCR queries - and can retrieve temporally consecutive scenes - they often rely on…

Online video understanding is essential for applications like public surveillance and AI glasses. However, applying Multimodal Large Language Models (MLLMs) to this domain is challenging due to the large number of video frames, resulting in…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Xinqi Jin , Hanxun Yu , Bohan Yu , Kebin Liu , Jian Liu , Keda Tao , Yixuan Pei , Huan Wang , Fan Dang , Jiangchuan Liu , Weiqiang Wang

Long-context modeling has drawn more and more attention in the area of Large Language Models (LLMs). Continual training with long-context data becomes the de-facto method to equip LLMs with the ability to process long inputs. However, it…

计算与语言 · 计算机科学 2025-10-14 Jianghao Chen , Junhong Wu , Yangyifan Xu , Jiajun Zhang

Due to excessive memory overhead, most Multimodal Large Language Models (MLLMs) can only process videos of limited frames. In this paper, we propose an effective and efficient paradigm to remedy this shortcoming, termed One-shot video-Clip…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Tao Chen , Shaobo Ju , Qiong Wu , Chenxin Fang , Kun Zhang , Jun Peng , Hui Li , Yiyi Zhou , Rongrong Ji

Video Large Language Models (Video-LLMs) have made remarkable progress in video understanding tasks. However, they are constrained by the maximum length of input tokens, making it impractical to input entire videos. Existing frame selection…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Sicheng Yu , Chengkai Jin , Huanyu Wang , Zhenghao Chen , Sheng Jin , Zhongrong Zuo , Xiaolei Xu , Zhenbang Sun , Bingni Zhang , Jiawei Wu , Hao Zhang , Qianru Sun

The success of VLMs often relies on the dynamic high-resolution schema that adaptively augments the input images to multiple crops, so that the details of the images can be retained. However, such approaches result in a large number of…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Jiayi Han , Liang Du , Yiwen Wu , Xiangguo Zhou , Hongwei Du , Weibo Zheng

Existing Video Anomaly Detection (VAD) methods typically rely on task-specific training, leading to strong domain dependency and high training costs. Moreover, most existing methods output only scalar anomaly scores, providing limited…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Hyeongmuk Lim , Youngbum Hur

Video large language models (Video-LLMs) have made significant progress in understanding videos. However, processing multiple frames leads to lengthy visual token sequences, presenting challenges such as the limited context length cannot…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Hui Sun , Shiyin Lu , Huanyu Wang , Qing-Guo Chen , Zhao Xu , Weihua Luo , Kaifu Zhang , Ming Li

While 3D Multi-modal Large Language Models (MLLMs) demonstrate remarkable scene understanding capabilities, their practical deployment faces critical challenges due to computational inefficiency. The key bottleneck stems from processing…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Wencan Huang , Daizong Liu , Wei Hu

Video Large Language Models (Video LLMs) have recently exhibited remarkable capabilities in general video understanding. However, they mainly focus on holistic comprehension and struggle with capturing fine-grained spatial and temporal…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Yuqian Yuan , Hang Zhang , Wentong Li , Zesen Cheng , Boqiang Zhang , Long Li , Xin Li , Deli Zhao , Wenqiao Zhang , Yueting Zhuang , Jianke Zhu , Lidong Bing

As Video Large Multimodal Models (VLMMs) rapidly advance, their inherent complexity introduces significant safety challenges, particularly the issue of mismatched generalization where static safety alignments fail to transfer to dynamic…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Yixu Wang , Jiaxin Song , Yifeng Gao , Xin Wang , Yang Yao , Yan Teng , Xingjun Ma , Yingchun Wang , Yu-Gang Jiang

Understanding of video creativity and content often varies among individuals, with differences in focal points and cognitive levels across different ages, experiences, and genders. There is currently a lack of research in this area, and…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Minghui Wu , Chenxu Zhao , Anyang Su , Donglin Di , Tianyu Fu , Da An , Min He , Ya Gao , Meng Ma , Kun Yan , Ping Wang