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Related papers: Multimodal Classification of Urban Micro-Events

200 papers

Synchronization is a fundamental component of computational models of human behavior, at both intra-personal and inter-personal level. Event synchronization analysis was originally conceived with the aim of providing a simple and robust…

Human-Computer Interaction · Computer Science 2019-04-09 Paolo Alborno , Gualtiero Volpe , Maurizio Mancini , Radoslaw Niewiadomski , Stefano Piana , Antonio Camurri

Unsupervised feature learning methods have proven effective for classification tasks based on a single modality. We present multimodal sparse coding for learning feature representations shared across multiple modalities. The shared…

Machine Learning · Computer Science 2016-05-18 Youngjune Gwon , William Campbell , Kevin Brady , Douglas Sturim , Miriam Cha , H. T. Kung

Multimodal fusion focuses on integrating information from multiple modalities with the goal of more accurate prediction, which has achieved remarkable progress in a wide range of scenarios, including autonomous driving and medical…

Machine Learning · Computer Science 2024-11-04 Qingyang Zhang , Yake Wei , Zongbo Han , Huazhu Fu , Xi Peng , Cheng Deng , Qinghua Hu , Cai Xu , Jie Wen , Di Hu , Changqing Zhang

Recognizing Video events in long, complex videos with multiple sub-activities has received persistent attention recently. This task is more challenging than traditional action recognition with short, relatively homogeneous video clips. In…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Yikang Li , Tianshu Yu , Baoxin Li

Security is an important topic in our contemporary world, and the ability to automate the detection of any events of interest that can take place in a crowd is of great interest to a population. We hypothesize that the detection of events…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Matheus Schreiner Homrich da Silva , Paulo Brossard de Souza Pinto Neto , Rodolfo Migon Favaretto , Soraia Raupp Musse

Forecasting urban phenomena such as housing prices and public health indicators requires the effective integration of various geospatial data. Current methods primarily utilize task-specific models, while recent foundation models for…

Machine Learning · Computer Science 2025-10-16 Dominik J. Mühlematter , Lin Che , Ye Hong , Martin Raubal , Nina Wiedemann

Multi-modal crowd counting involves estimating crowd density from both visual and thermal/depth images. This task is challenging due to the significant gap between these distinct modalities. In this paper, we propose a novel approach by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Haoliang Meng , Xiaopeng Hong , Chenhao Wang , Miao Shang , Wangmeng Zuo

We consider a detection problem where sensors experience noisy measurements and intermittent communication opportunities to a centralized fusion center (or cloud). The objective of the problem is to arrive at the correct estimate of event…

Systems and Control · Electrical Eng. & Systems 2020-09-23 Michal Yemini , Stephanie Gil , Andrea Goldsmith

Increasing urban concentration raises operational challenges that can benefit from integrated monitoring and decision support. Such complex systems need to leverage the full stack of analytical methods, from state estimation using…

Computers and Society · Computer Science 2024-09-23 Sebastien Blandin , Laura Wynter , Hasan Poonawala , Sean Laguna , Basile Dura

We consider a centralized detection problem where sensors experience noisy measurements and intermittent connectivity to a centralized fusion center. The sensors collaborate locally within predefined sensor clusters and fuse their noisy…

Signal Processing · Electrical Eng. & Systems 2022-08-23 Michal Yemini , Stephanie Gil , Andrea J. Goldsmith

A new method for multimodal sensor fusion is introduced. The technique relies on a two-stage process. In the first stage, a multimodal generative model is constructed from unlabelled training data. In the second stage, the generative model…

Artificial Intelligence · Computer Science 2025-05-29 Robert J. Piechocki , Xiaoyang Wang , Mohammud J. Bocus

We propose a method called integrated diffusion for combining multimodal datasets, or data gathered via several different measurements on the same system, to create a joint data diffusion operator. As real world data suffers from both local…

Machine Learning · Computer Science 2022-03-07 Manik Kuchroo , Abhinav Godavarthi , Alexander Tong , Guy Wolf , Smita Krishnaswamy

Multi-sensor fusion is essential for accurate 3D object detection in self-driving systems. Camera and LiDAR are the most commonly used sensors, and usually, their fusion happens at the early or late stages of 3D detectors with the help of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Javed Ahmad , Alessio Del Bue

The problem of sequential detection of anomalies in multimodal data is considered. The objective is to observe physical sensor data from CCTV cameras, and social media data from Twitter and Instagram to detect anomalous behaviors or events.…

Applications · Statistics 2018-03-28 Taposh Banerjee , Gene Whipps , Prudhvi Gurram , Vahid Tarokh

More information leads to better decisions and predictions, right? Confirming this hypothesis, several studies concluded that the simultaneous use of optical and thermal images leads to better predictions in crowd counting. However, the way…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Martin Thißen , Elke Hergenröther

Social networks are quickly becoming the primary medium for discussing what is happening around real-world events. The information that is generated on social platforms like Twitter can produce rich data streams for immediate insights into…

Social and Information Networks · Computer Science 2019-07-26 Mateusz Fedoryszak , Brent Frederick , Vijay Rajaram , Changtao Zhong

Multi-modal fusion is a basic task of autonomous driving system perception, which has attracted many scholars' interest in recent years. The current multi-modal fusion methods mainly focus on camera data and LiDAR data, but pay little…

Robotics · Computer Science 2022-11-14 Yan Gong , Jianli Lu , Jiayi Wu , Wenzhuo Liu

Wear and tear detection in fleet and shared vehicle systems is a critical challenge, particularly in rental and car-sharing services, where minor damage, such as dents, scratches, and underbody impacts, often goes unnoticed or is detected…

Machine Learning · Computer Science 2025-10-21 Sara Khan , Mehmed Yüksel , Frank Kirchner

Perception of auditory events is inherently multimodal relying on both audio and visual cues. A large number of existing multimodal approaches process each modality using modality-specific models and then fuse the embeddings to encode the…

Sound · Computer Science 2022-07-19 Amir Shirian , Krishna Somandepalli , Victor Sanchez , Tanaya Guha

Driven by the recent advances in smart, miniaturized, and mass produced sensors, networked systems, and high-speed data communication and computing, the ability to collect and process larger volumes of higher veracity real-time data from a…

Other Computer Science · Computer Science 2018-09-03 Chun-An Chou , Xiaoning Jin , Amy Mueller , Sarah Ostadabbas