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Intelligently reasoning about the world often requires integrating data from multiple modalities, as any individual modality may contain unreliable or incomplete information. Prior work in multimodal learning fuses input modalities only…

Machine Learning · Computer Science 2020-11-17 George Barnum , Sabera Talukder , Yisong Yue

Audio-visual video parsing is the task of categorizing a video at the segment level with weak labels, and predicting them as audible or visible events. Recent methods for this task leverage the attention mechanism to capture the semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Yaru Chen , Ruohao Guo , Xubo Liu , Peipei Wu , Guangyao Li , Zhenbo Li , Wenwu Wang

Multi-modal hashing methods are widely used in multimedia retrieval, which can fuse multi-source data to generate binary hash code. However, the individual backbone networks have limited feature expression capabilities and are not jointly…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Jian Zhu , Mingkai Sheng , Zhangmin Huang , Jingfei Chang , Jinling Jiang , Jian Long , Cheng Luo , Lei Liu

Feature selection is a process of choosing a subset of relevant features so that the quality of prediction models can be improved. An extensive body of work exists on information-theoretic feature selection, based on maximizing Mutual…

Machine Learning · Computer Science 2016-12-05 Jilin Wu , Soumyajit Gupta , Chandrajit Bajaj

Our work explores the task of generating future sensor observations conditioned on the past. We are motivated by `predictive coding' concepts from neuroscience as well as robotic applications such as self-driving vehicles. Predictive video…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Tarasha Khurana , Deva Ramanan

Retrieving events from large-scale video datasets is challenging due to complex temporal, spatial, and multimodal information. This paper presents U-CESE, our solution for the AI Challenge HCMC 2025, a Unified Clip-based Event Search Engine…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Duc-Nhuan Le , Hoang-Phuc Nguyen , Thanh-Duy Lam , Minh-Nhut Dang , Minh-Hoang Le

Identifying a short segment in a long video that semantically matches a text query is a challenging task that has important application potentials in language-based video search, browsing, and navigation. Typical retrieval systems respond…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Bowen Zhang , Hexiang Hu , Joonseok Lee , Ming Zhao , Sheide Chammas , Vihan Jain , Eugene Ie , Fei Sha

Human-centric perception plays a vital role in vision and graphics. But their data annotations are prohibitively expensive. Therefore, it is desirable to have a versatile pre-train model that serves as a foundation for data-efficient…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Fangzhou Hong , Liang Pan , Zhongang Cai , Ziwei Liu

Comprehending extended audiovisual experiences remains challenging for computational systems, particularly temporal integration and cross-modal associations fundamental to human episodic memory. We introduce HippoMM, a computational…

Multimedia · Computer Science 2026-04-03 Yueqian Lin , Jingyang Zhang , Qinsi Wang , Hancheng Ye , Yuzhe Fu , Yudong Liu , Hai "Helen" Li , Yiran Chen

Video-and-language understanding has a variety of applications in the industry, such as video question answering, text-video retrieval, and multi-label classification. Existing video-and-language understanding methods generally adopt heavy…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Jiaqi Xu , Bo Liu , Yunkuo Chen , Mengli Cheng , Xing Shi

Recognizing complex behavioral states such as Ambivalence and Hesitancy (A/H) in naturalistic video settings remains a significant challenge in affective computing. Unlike basic facial expressions, A/H manifests as subtle, multimodal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Alexandre Pereira , Bruno Fernandes , Pablo Barros

Video instance segmentation (VIS) has gained significant attention for its capability in tracking and segmenting object instances across video frames. However, most of the existing VIS approaches unrealistically assume that the categories…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Jiahua Dong , Hui Yin , Wenqi Liang , Hanbin Zhao , Henghui Ding , Nicu Sebe , Salman Khan , Fahad Shahbaz Khan

Scam detection remains a critical challenge in cybersecurity as adversaries craft messages that evade automated filters. We propose a Hierarchical Scam Detection System (HSDS) that combines a lightweight multi-model voting front end with a…

Cryptography and Security · Computer Science 2025-11-11 Chen-Wei Chang , Shailik Sarkar , Hossein Salemi , Hyungmin Kim , Shutonu Mitra , Hemant Purohit , Fengxiu Zhang , Michin Hong , Jin-Hee Cho , Chang-Tien Lu

The recent growth of web video sharing platforms has increased the demand for systems that can efficiently browse, retrieve and summarize video content. Query-aware multi-video summarization is a promising technique that caters to this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Safa Messaoud , Ismini Lourentzou , Assma Boughoula , Mona Zehni , Zhizhen Zhao , Chengxiang Zhai , Alexander G. Schwing

Multimodal large language models (MLLMs) can simultaneously process visual, textual, and auditory data, capturing insights that complement human analysis. However, existing video question-answering (VidQA) benchmarks and datasets often…

Machine Learning · Computer Science 2024-12-23 Jean Park , Kuk Jin Jang , Basam Alasaly , Sriharsha Mopidevi , Andrew Zolensky , Eric Eaton , Insup Lee , Kevin Johnson

The interest for video anomaly detection systems has gained traction for the past few years. The current approaches use deep learning to perform anomaly detection in videos, but this approach has multiple problems. For starters, deep…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Vladimir Monakhov , Vajira Thambawita , Pål Halvorsen , Michael A. Riegler

The objective of this work is person-clustering in videos -- grouping characters according to their identity. Previous methods focus on the narrower task of face-clustering, and for the most part ignore other cues such as the person's…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Andrew Brown , Vicky Kalogeiton , Andrew Zisserman

Audio-visual segmentation (AVS) is an emerging task that aims to accurately segment sounding objects based on audio-visual cues. The success of AVS learning systems depends on the effectiveness of cross-modal interaction. Such a requirement…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yuanhong Chen , Chong Wang , Yuyuan Liu , Hu Wang , Gustavo Carneiro

Skeleton-based human action recognition has achieved remarkable progress in recent years. However, most existing GCN-based methods rely on short-range motion topologies, which not only struggle to capture long-range joint dependencies and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Ruosi Wang , Fangwei Zuo , Lei Li , Zhaoqiang Xia

Extending language models to video introduces two challenges: representation, where existing methods rely on lossy approximations, and long-context, where caption- or agent-based pipelines collapse video into text and lose visual fidelity.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Mohamed Eltahir , Ali Habibullah , Yazan Alshoibi , Lama Ayash , Tanveer Hussain , Naeemullah Khan