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Long video understanding remains challenging for multimodal large language models (MLLMs) due to limited context windows, which necessitate identifying sparse query-relevant video segments. However, existing methods predominantly localize…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Ruoliu Yang , Chu Wu , Caifeng Shan , Ran He , Chaoyou Fu

Large-scale annotated datasets allow AI systems to learn from and build upon the knowledge of the crowd. Many crowdsourcing techniques have been developed for collecting image annotations. These techniques often implicitly rely on the fact…

人机交互 · 计算机科学 2016-10-07 Gunnar A. Sigurdsson , Olga Russakovsky , Ali Farhadi , Ivan Laptev , Abhinav Gupta

The proliferation of video-on-demand (VOD) services has led to a paradox of choice, overwhelming users with vast content libraries and revealing limitations in current recommender systems. This research introduces a novel approach by…

社会与信息网络 · 计算机科学 2025-01-09 Mehrdad Maghsoudi , Mohammad Hossein valikhani , Mohammad Hossein Zohdi

A dramatic increase in real-world video volume with extremely diverse and emerging topics naturally forms a long-tailed video distribution in terms of their categories, and it spotlights the need for Video Long-Tailed Recognition (VLTR). In…

计算机视觉与模式识别 · 计算机科学 2022-11-28 WonJun Moon , Hyun Seok Seong , Jae-Pil Heo

The explosively generated micro-videos on content sharing platforms call for recommender systems to permit personalized micro-video discovery with ease. Recent advances in micro-video recommendation have achieved remarkable performance in…

信息检索 · 计算机科学 2021-10-11 Yujie Lu , Yingxuan Huang , Shengyu Zhang , Wei Han , Hui Chen , Zhou Zhao , Fei Wu

Despite recent advances in Vision-Language Models (VLMs), long-video understanding remains a challenging problem. Although state-of-the-art long-context VLMs can process around 1000 input frames, they still struggle to effectively leverage…

机器学习 · 计算机科学 2025-07-04 Anurag Arnab , Ahmet Iscen , Mathilde Caron , Alireza Fathi , Cordelia Schmid

Micro-videos have recently gained immense popularity, sparking critical research in micro-video recommendation with significant implications for the entertainment, advertising, and e-commerce industries. However, the lack of large-scale…

信息检索 · 计算机科学 2023-09-28 Yongxin Ni , Yu Cheng , Xiangyan Liu , Junchen Fu , Youhua Li , Xiangnan He , Yongfeng Zhang , Fajie Yuan

Contrastive Language-Image Pre-training (CLIP) has been widely studied and applied in numerous applications. However, the emphasis on brief summary texts during pre-training prevents CLIP from understanding long descriptions. This issue is…

计算与语言 · 计算机科学 2024-10-07 Jiapeng Wang , Chengyu Wang , Kunzhe Huang , Jun Huang , Lianwen Jin

Typical video modeling methods, such as LLava, represent videos as sequences of visual tokens, which are then processed by the LLM backbone for effective video understanding. However, this approach leads to a massive number of visual…

计算与语言 · 计算机科学 2025-06-05 Hongzhi Zhang , Jingyuan Zhang , Xingguang Ji , Qi Wang , Fuzheng Zhang

Video Moment Retrieval (MR) aims to localize moments within a video based on a given natural language query. Given the prevalent use of platforms like YouTube for information retrieval, the demand for MR techniques is significantly growing.…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Seojeong Park , Jiho Choi , Kyungjune Baek , Hyunjung Shim

This paper proposes the synthetic long-video meta-evaluation (SLVMEval), a benchmark for meta-evaluating text-to-video (T2V) evaluation systems. The proposed SLVMEval benchmark focuses on assessing these systems on videos of up to 10,486 s…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Ryosuke Matsuda , Keito Kudo , Haruto Yoshida , Nobuyuki Shimizu , Jun Suzuki

Multi-camera systems are indispensable in movies, TV shows, and other media. Selecting the appropriate camera at every timestamp has a decisive impact on production quality and audience preferences. Learning-based view recommendation…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Kuan-Ying Lee , Qian Zhou , Klara Nahrstedt

We present a new model to determine relative skill from long videos, through learnable temporal attention modules. Skill determination is formulated as a ranking problem, making it suitable for common and generic tasks. However, for long…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Hazel Doughty , Walterio Mayol-Cuevas , Dima Damen

In recent years, social media users have spent significant amounts of time on short-form video platforms. As a result, established platforms in other domains, such as e-commerce, have begun introducing short-form video content to engage…

机器学习 · 计算机科学 2025-09-05 Andrii Dzhoha , Katya Mirylenka , Egor Malykh , Marco-Andrea Buchmann , Francesca Catino

Sequential recommendations have drawn significant attention in modeling the user's historical behaviors to predict the next item. With the booming development of multimodal data (e.g., image, text) on internet platforms, sequential…

信息检索 · 计算机科学 2024-12-12 Changhong Li , Zhiqiang Guo

In the context of long-term video understanding with large multimodal models, many frameworks have been proposed. Although transformer-based visual compressors and memory-augmented approaches are often used to process long videos, they…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Sosuke Yamao , Natsuki Miyahara , Yuankai Qi , Shun Takeuchi

Temporal cues in videos provide important information for recognizing actions accurately. However, temporal-discriminative features can hardly be extracted without using an annotated large-scale video action dataset for training. This paper…

计算机视觉与模式识别 · 计算机科学 2020-08-06 Jinpeng Wang , Yiqi Lin , Andy J. Ma , Pong C. Yuen

Video summarization techniques have been proven to improve the overall user experience when it comes to accessing and comprehending video content. If the user's preference is known, video summarization can identify significant information…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Brian Chen , Xiangyuan Zhao , Yingnan Zhu

Long video understanding poses a significant challenge for current Multi-modal Large Language Models (MLLMs). Notably, the MLLMs are constrained by their limited context lengths and the substantial costs while processing long videos.…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Yan Shu , Zheng Liu , Peitian Zhang , Minghao Qin , Junjie Zhou , Zhengyang Liang , Tiejun Huang , Bo Zhao

Despite the recent success of neural networks in image feature learning, a major problem in the video domain is the lack of sufficient labeled data for learning to model temporal information. In this paper, we propose an unsupervised…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Linchao Zhu , Zhongwen Xu , Yi Yang