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Building a video retrieval system that is robust and reliable, especially for the marine environment, is a challenging task due to several factors such as dealing with massive amounts of dense and repetitive data, occlusion, blurriness, low…

Computer Vision and Pattern Recognition · Computer Science 2023-06-08 Tan-Sang Ha , Hai Nguyen-Truong , Tuan-Anh Vu , Sai-Kit Yeung

One of the most fundamental tasks in data science is to assist a user with unknown preferences in finding high-utility tuples within a large database. To accurately elicit the unknown user preferences, a widely-adopted way is by asking the…

Databases · Computer Science 2023-07-07 Guangyi Zhang , Nikolaj Tatti , Aristides Gionis

We propose a novel, efficient, modular and scalable framework for content based visual media retrieval systems by leveraging the power of Deep Learning which is flexible to work both for images and videos conjointly and we also introduce an…

Machine Learning · Computer Science 2021-05-19 Ambareesh Ravi , Amith Nandakumar

Given the explosive growth of online videos, it is becoming increasingly important to relieve the tedious work of browsing and managing the video content of interest. Video summarization aims at providing such a technique by transforming…

Computer Vision and Pattern Recognition · Computer Science 2017-07-14 Zhong Ji , Yaru Ma , Yanwei Pang , Xuelong Li

Unlike offline processing, streaming video vision-language models face two fundamental constraints: causality and accumulation. Causality prevents access to future frames that offline methods exploit, while accumulation causes tokens to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Xueyi Chen , Keda Tao , Kele Shao , Huan Wang

The society produces textual data online in several ways, e.g., via reviews and social media posts. Therefore, numerous researchers have been working on discovering patterns in textual data that can indicate peoples' opinions, interests,…

Query-based video situation detection (as opposed to manual or customized algorithms) is critical for diverse applications such as traffic monitoring, surveillance1 , and other types of environmental/infrastructure monitoring. Video…

Databases · Computer Science 2022-11-29 Hafsa Billah , Mayur Arora , Sharma Chakravarthy

Proactive streaming video understanding requires models to continuously process video streams and decide when to respond, rather than merely what to respond. This naturally introduces a decision-making problem under partial observations,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Ao Li , Zihan Xiao , Zihao Yue , Boshen Xu , Linli Yao , Jiaze Li , Pei Fu , Jianzhong Ju , Jian Luan , Qin Jin

Machine unlearning aims to remove knowledge of the specific training data in a well-trained model. Currently, machine unlearning methods typically handle all forgetting data in a single batch, removing the corresponding knowledge all at…

Machine Learning · Computer Science 2025-07-22 Shaofei Shen , Chenhao Zhang , Yawen Zhao , Alina Bialkowski , Weitong Chen , Miao Xu

In this paper, we propose a new approach for retrieval of video segments using natural language queries. Unlike most previous approaches such as concept-based methods or rule-based structured models, the proposed method uses image…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Sangkuk Lee , Daesik Kim , Myunggi Lee , Jihye Hwang , Nojun Kwak

The proliferation of automated data collection schemes and the advances in sensorics are increasing the amount of data we are able to monitor in real-time. However, given the high annotation costs and the time required by quality…

Machine Learning · Statistics 2023-07-17 Davide Cacciarelli , Murat Kulahci , John Sølve Tyssedal

Efficiently retrieving relevant data from massive Internet of Things (IoT) networks is essential for downstream tasks such as machine learning. This paper addresses this challenge by proposing a novel data sourcing protocol that combines…

Information Theory · Computer Science 2025-09-12 Anders E. Kalør , Petar Popovski , Kaibin Huang

This paper presents an integrated multi-agents architecture for indexing and retrieving video information.The focus of our work is to elaborate an extensible approach that gathers a priori almost of the mandatory tools which palliate to the…

Information Retrieval · Computer Science 2014-08-01 Yasser El Madani El Alami , El Habib Nfaoui , Omar El Beqqali

We propose a method for online news stream clustering that is a variant of the non-parametric streaming K-means algorithm. Our model uses a combination of sparse and dense document representations, aggregates document-cluster similarity…

Computation and Language · Computer Science 2021-01-28 Kailash Karthik Saravanakumar , Miguel Ballesteros , Muthu Kumar Chandrasekaran , Kathleen McKeown

In this paper, we propose a user-based video indexing method, that automatically generates thumbnails of the most important scenes of an online video stream, by analyzing users' interactions with a web video player. As a test bench to…

Multimedia · Computer Science 2018-04-17 Ioannis Leftheriotis , Chrysoula Gkonela , Konstantinos Chorianopoulos

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…

Information Retrieval · Computer Science 2025-12-09 Van-Thinh Vo , Minh-Khoi Nguyen , Minh-Huy Tran , Anh-Quan Nguyen-Tran , Duy-Tan Nguyen , Khanh-Loi Nguyen , Anh-Minh Phan

Catastrophic forgetting of previous knowledge is a critical issue in continual learning typically handled through various regularization strategies. However, existing methods struggle especially when several incremental steps are performed.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Chang Liu , Giulia Rizzoli , Francesco Barbato , Andrea Maracani , Marco Toldo , Umberto Michieli , Yi Niu , Pietro Zanuttigh

We introduce an audiovisual method for long-range text-to-video retrieval. Unlike previous approaches designed for short video retrieval (e.g., 5-15 seconds in duration), our approach aims to retrieve minute-long videos that capture complex…

Computer Vision and Pattern Recognition · Computer Science 2022-08-03 Yan-Bo Lin , Jie Lei , Mohit Bansal , Gedas Bertasius

Recently, semantic video segmentation gained high attention especially for supporting autonomous driving systems. Deep learning methods made it possible to implement real time segmentation and object identification algorithms on videos.…

Image and Video Processing · Electrical Eng. & Systems 2019-10-30 Beril Sirmacek , Nicolò Botteghi , Santiago Sanchez Escalonilla Plaza

Recent temporal action segmentation approaches need frame annotations during training to be effective. These annotations are very expensive and time-consuming to obtain. This limits their performances when only limited annotated data is…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Sovan Biswas , Anthony Rhodes , Ramesh Manuvinakurike , Giuseppe Raffa , Richard Beckwith