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Related papers: Multimodal Classification of Urban Micro-Events

200 papers

In emergency management for mass gathering, the knowledge about crowd types can highly assist with providing timely response and effective resource allocation. Crowd monitoring can be achieved using computer vision based approaches and…

Computers and Society · Computer Science 2016-06-03 Minh Quan Ngo , Pari Delir Haghighi , Frada Burstein

Social media platforms enable the propagation of hateful content across different modalities such as textual, auditory, and visual, necessitating effective detection methods. While recent approaches have shown promise in handling individual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Girish A. Koushik , Diptesh Kanojia , Helen Treharne

This paper introduces a novel asynchronous, event-driven algorithm for real-time detection of small event clusters in event camera data. Like other hierarchical agglomerative clustering algorithms, the algorithm detects the event clusters…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 David El-Chai Ben-Ezra , Adar Tal , Daniel Brisk

Training a model to detect patterns of interrelated events that form situations of interest can be a complex problem: such situations tend to be uncommon, and only sparse data is available. We propose a hybrid neuro-symbolic architecture…

As the world population gets older, the healthcare system must be adapted, among others by providing continuous health monitoring at home and in the city. The social activities have a significant role in everyone health status. Hence, this…

Computers and Society · Computer Science 2016-12-01 Loïc Sevrin , Bertrand Massot , Norbert Noury , Nacer Abouchi , Fabrice Jumel , Jacques Saraydaryan

The world provides us with data of multiple modalities. Intuitively, models fusing data from different modalities outperform their uni-modal counterparts, since more information is aggregated. Recently, joining the success of deep learning,…

Machine Learning · Computer Science 2021-10-27 Yu Huang , Chenzhuang Du , Zihui Xue , Xuanyao Chen , Hang Zhao , Longbo Huang

Due to the growing demand for improving surveillance capabilities in smart cities, systems need to be developed to provide better monitoring capabilities to competent authorities, agencies responsible for strategic resource management, and…

Sound · Computer Science 2020-02-04 Tito Spadini , Dimitri Leandro de Oliveira Silva , Ricardo Suyama

How should representations from complementary sensors be integrated for autonomous driving? Geometry-based sensor fusion has shown great promise for perception tasks such as object detection and motion forecasting. However, for the actual…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Aditya Prakash , Kashyap Chitta , Andreas Geiger

This research presents a novel multimodal data fusion methodology for pain behavior recognition, integrating statistical correlation analysis with human-centered insights. Our approach introduces two key innovations: 1) integrating…

Artificial Intelligence · Computer Science 2025-01-22 Xingrui Gu , Zhixuan Wang , Irisa Jin , Zekun Wu

In high population cities, the gatherings of large crowds in public places and public areas accelerate or jeopardize people safety and transportation, which is a key challenge to the researchers. Although much research has been carried out…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Muhammad Siraj

The role of spatial data in tackling city-related tasks has been growing in recent years. To use them in machine learning models, it is often necessary to transform them into a vector representation, which has led to the development in the…

Machine Learning · Computer Science 2021-11-05 Piotr Gramacki

Clustering is crucial for many computer vision applications such as robust tracking, object detection and segmentation. This work presents a real-time clustering technique that takes advantage of the unique properties of event-based vision…

Robotics · Computer Science 2018-07-11 Francisco Barranco , Cornelia Fermuller , Eduardo Ros

Inspired by the fact that humans use diverse sensory organs to perceive the world, sensors with different modalities are deployed in end-to-end driving to obtain the global context of the 3D scene. In previous works, camera and LiDAR inputs…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Qingwen Zhang , Mingkai Tang , Ruoyu Geng , Feiyi Chen , Ren Xin , Lujia Wang

Multispectral pedestrian detection has attracted increasing attention from the research community due to its crucial competence for many around-the-clock applications (e.g., video surveillance and autonomous driving), especially under…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Chengyang Li , Dan Song , Ruofeng Tong , Min Tang

Emotion recognition is a core research area at the intersection of artificial intelligence and human communication analysis. It is a significant technical challenge since humans display their emotions through complex idiosyncratic…

Human-Computer Interaction · Computer Science 2018-09-14 Paul Pu Liang , Amir Zadeh , Louis-Philippe Morency

While the widely available embedded sensors in smartphones and other wearable devices make it easier to obtain data of human activities, recognizing different types of human activities from sensor-based data remains a difficult research…

Signal Processing · Electrical Eng. & Systems 2024-08-15 Taoran Sheng , Manfred Huber

Transportation modes prediction is a fundamental task for decision making in smart cities and traffic management systems. Traffic policies designed based on trajectory mining can save money and time for authorities and the public. It may…

Artificial Intelligence · Computer Science 2018-09-07 Mohammad Etemad , Amilcar Soares Junior , Stan Matwin

Event cameras are ideal for object tracking applications due to their ability to capture fast-moving objects while mitigating latency and data redundancy. Existing event-based clustering and feature tracking approaches for surveillance and…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Stephanie Aelmore , Richard C. Ordonez , Shibin Parameswaran , Justin Mauger

This study introduces a novel multimodal food recognition framework that effectively combines visual and textual modalities to enhance classification accuracy and robustness. The proposed approach employs a dynamic multimodal fusion…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Prateek Mittal , Puneet Goyal , Joohi Chauhan

Estimating dense 2D optical flow and 3D scene flow is essential for dynamic scene understanding. Recent work combines images, LiDAR, and event data to jointly predict 2D and 3D motion, yet most approaches operate in separate heterogeneous…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Ruishan Guo , Ciyu Ruan , Haoyang Wang , Zihang Gong , Jingao Xu , Xinlei Chen