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Large Multimodal Models (LMMs) have demonstrated impressive performance in short video understanding tasks but face great challenges when applied to long video understanding. In contrast, Large Language Models (LLMs) exhibit outstanding…

计算机视觉与模式识别 · 计算机科学 2024-10-03 Hongchen Wei , Zhenzhong Chen

Human Motion Segmentation (HMS), which aims to partition a video into non-overlapping segments corresponding to different human motions, has recently attracted increasing research attention. Existing HMS approaches are predominantly based…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Xianghan Meng , Zhiyuan Huang , Zhengyu Tong , Chun-Guang Li

Most existing real-time deep models trained with each frame independently may produce inconsistent results across the temporal axis when tested on a video sequence. A few methods take the correlations in the video sequence into…

计算机视觉与模式识别 · 计算机科学 2022-02-28 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

Pre-trained vision-language models provide a robust foundation for efficient transfer learning across various downstream tasks. In the field of video action recognition, mainstream approaches often introduce additional modules to capture…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Haoxing Chen , Zizheng Huang , Yan Hong , Yanshuo Wang , Zhongcai Lyu , Zhuoer Xu , Jun Lan , Zhangxuan Gu

Large language models (LLMs) often rely on user-specific memories distilled from past interactions to enable personalized generation. A common practice is to concatenate these memories with the input prompt, but this approach quickly…

计算与语言 · 计算机科学 2026-01-27 Ondrej Bohdal , Pramit Saha , Umberto Michieli , Mete Ozay , Taha Ceritli

Surgical video understanding is crucial for facilitating Computer-Assisted Surgery (CAS) systems. Despite significant progress in existing studies, two major limitations persist, including inadequate visual content perception and…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Zhen Chen , Xingjian Luo , Kun Yuan , Jinlin Wu , Danny T. M. Chan , Nassir Navab , Hongbin Liu , Zhen Lei , Jiebo Luo

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

Video foreground segmentation (VFS) is an important computer vision task wherein one aims to segment the objects under motion from the background. Most of the current methods are image-based, i.e., rely only on spatial cues while ignoring…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Praveen Kumar Pokala , Jaya Sai Kiran Patibandla , Naveen Kumar Pandey , Balakrishna Reddy Pailla

Existing video-language pre-training methods primarily focus on instance-level alignment between video clips and captions via global contrastive learning but neglect rich fine-grained local information in both videos and text, which is of…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Yuanhao Xiong , Long Zhao , Boqing Gong , Ming-Hsuan Yang , Florian Schroff , Ting Liu , Cho-Jui Hsieh , Liangzhe Yuan

In this paper, we present StrucTexTv2, an effective document image pre-training framework, by performing masked visual-textual prediction. It consists of two self-supervised pre-training tasks: masked image modeling and masked language…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Yuechen Yu , Yulin Li , Chengquan Zhang , Xiaoqiang Zhang , Zengyuan Guo , Xiameng Qin , Kun Yao , Junyu Han , Errui Ding , Jingdong Wang

Multimodal video summarization requires visual features that align semantically with language generation. Traditional approaches rely on CNN features trained for object classification, which represent visual concepts as discrete categories…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Maham Nazir , Muhammad Aqeel , Richong Zhang , Francesco Setti

We introduce TemporalVLM, a video large language model (video LLM) for temporal reasoning and fine-grained understanding in long videos. Our approach includes a visual encoder for mapping a long-term video into features which are time-aware…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Fawad Javed Fateh , Umer Ahmed , Hamza Khan , M. Zeeshan Zia , Quoc-Huy Tran

Referring Video Object Segmentation (RVOS) aims to segment target objects in videos based on natural language descriptions. However, fixed keyframe-based approaches that couple a vision language model with a separate propagation module…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Jihwan Hong , Jaeyoung Do

Multimodal self-supervised learning is getting more and more attention as it allows not only to train large networks without human supervision but also to search and retrieve data across various modalities. In this context, this paper…

Medical vision-language pre-training methods mainly leverage the correspondence between paired medical images and radiological reports. Although multi-view spatial images and temporal sequences of image-report pairs are available in…

人工智能 · 计算机科学 2024-05-31 Jinxia Yang , Bing Su , Wayne Xin Zhao , Ji-Rong Wen

Multimodal large language models (MLLMs) have demonstrated remarkable potential for enhancing scene understanding in autonomous driving systems through powerful logical reasoning capabilities. However, the deployment of these models faces…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Yunsheng Ma , Amr Abdelraouf , Rohit Gupta , Ziran Wang , Kyungtae Han

Multivariate Time-Series (MTS) clustering discovers intrinsic grouping patterns of temporal data samples. Although time-series provide rich discriminative information, they also contain substantial redundancy, such as steady-state machine…

机器学习 · 计算机科学 2025-12-09 Zexi Tan , Xiaopeng Luo , Yunlin Liu , Yiqun Zhang

Data plays a fundamental role in the training of Large Language Models (LLMs). While attention has been paid to the collection and composition of datasets, determining the data sampling strategy in training remains an open question. Most…

计算与语言 · 计算机科学 2024-06-04 Yunfan Shao , Linyang Li , Zhaoye Fei , Hang Yan , Dahua Lin , Xipeng Qiu

Cluster analysis plays a crucial role in various domains and applications, such as customer segmentation in marketing. These contexts often involve multimodal data, including both tabular and textual datasets, making it challenging to…

计算与语言 · 计算机科学 2025-02-05 Fillipe dos Santos Silva , Gabriel Kenzo Kakimoto , Julio Cesar dos Reis , Marcelo S. Reis

Assigning consistent temporal identifiers to multiple moving objects in a video sequence is a challenging problem. A solution to that problem would have immediate ramifications in multiple object tracking and segmentation problems. We…

计算机视觉与模式识别 · 计算机科学 2021-11-08 Abubakar Siddique , Reza Jalil Mozhdehi , Henry Medeiros