English
Related papers

Related papers: Real-Time Moving Flock Detection in Pedestrian Tra…

200 papers

Skeleton based action recognition distinguishes human actions using the trajectories of skeleton joints, which provide a very good representation for describing actions. Considering that recurrent neural networks (RNNs) with Long Short-Term…

Computer Vision and Pattern Recognition · Computer Science 2016-03-28 Wentao Zhu , Cuiling Lan , Junliang Xing , Wenjun Zeng , Yanghao Li , Li Shen , Xiaohui Xie

Robot navigation in crowded pedestrian environments is a well-known challenge and we explore the practical deployment of group-based representations in this setting. Pedestrian groups have been empirically shown to enable a mobile robot's…

Robotics · Computer Science 2026-04-21 Allan Wang , Aaron Steinfeld

Location data collected from mobile devices represent mobility behaviors at individual and societal levels. These data have important applications ranging from transportation planning to epidemic modeling. However, issues must be overcome…

Machine Learning · Computer Science 2022-01-05 Alex Berke , Ronan Doorley , Kent Larson , Esteban Moro

Video-based vehicle detection and tracking is one of the most important components for Intelligent Transportation Systems (ITS). When it comes to road junctions, the problem becomes even more difficult due to the occlusions and complex…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Yuan Yuan , Yuwei Lu , Qi Wang

Accurate traffic participant prediction is the prerequisite for collision avoidance of autonomous vehicles. In this work, we predict pedestrians by emulating their own motion planning. From online observations, we infer a mixture density…

Computer Vision and Pattern Recognition · Computer Science 2017-06-21 Eike Rehder , Florian Wirth , Martin Lauer , Christoph Stiller

Human action recognition from well-segmented 3D skeleton data has been intensively studied and has been attracting an increasing attention. Online action detection goes one step further and is more challenging, which identifies the action…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Yanghao Li , Cuiling Lan , Junliang Xing , Wenjun Zeng , Chunfeng Yuan , Jiaying Liu

This study presents a novel method to recognize human physical activities using CNN followed by LSTM. Achieving high accuracy by traditional machine learning algorithms, (such as SVM, KNN and random forest method) is a challenging task…

Signal Processing · Electrical Eng. & Systems 2020-03-16 Waqar Ahmad , Misbah Kazmi , Hazrat Ali

This paper examines the use of deep recurrent neural networks to classify traffic patterns in smart cities. We propose a novel approach to traffic pattern classification based on deep recurrent neural networks, which can effectively capture…

Defining a multi-target motion model, which is an important step of tracking algorithms, can be very challenging. Using fixed models (as in several generative Bayesian algorithms, such as Kalman filters) can fail to accurately predict…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Mehryar Emambakhsh , Alessandro Bay , Eduard Vazquez

This paper presents a data-driven decentralized trajectory optimization approach for multi-robot motion planning in dynamic environments. When navigating in a shared space, each robot needs accurate motion predictions of neighboring robots…

Robotics · Computer Science 2021-02-25 Hai Zhu , Francisco Martinez Claramunt , Bruno Brito , Javier Alonso-Mora

Deep Learning-based object detectors can enhance the capabilities of smart camera systems in a wide spectrum of machine vision applications including video surveillance, autonomous driving, robots and drones, smart factory, and health…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Christos Kyrkou

In this work, we present a framework based on multi-stream convolutional neural networks (CNNs) for group activity recognition. Streams of CNNs are separately trained on different modalities and their predictions are fused at the end. Each…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Sina Mokhtarzadeh Azar , Mina Ghadimi Atigh , Ahmad Nickabadi

The evolution of many dynamical systems that describe relationships or interactions between objects can be effectively modeled by temporal networks, which are typically represented as a sequence of static network snapshots. In this paper,…

Social and Information Networks · Computer Science 2025-07-11 Filip Blašković , Tim O. F. Conrad , Stefan Klus , Nataša Djurdjevac Conrad

Decoding human activity accurately from wearable sensors can aid in applications related to healthcare and context awareness. The present approaches in this domain use recurrent and/or convolutional models to capture the spatio-temporal…

Human-Computer Interaction · Computer Science 2020-12-21 Satya P. Singh , Aimé Lay-Ekuakille , Deepak Gangwar , Madan Kumar Sharma , Sukrit Gupta

This research presents a novel active detection model utilizing deep reinforcement learning to accurately detect traffic objects in real-world scenarios. The model employs a deep Q-network based on LSTM-CNN that identifies and aligns target…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Xinyu Ren , Ruixuan Wang

Modeling crowd behavior relies on accurate data of pedestrian movements at a high level of detail. Imaging sensors such as cameras provide a good basis for capturing such detailed pedestrian motion data. However, currently available…

Computer Vision and Pattern Recognition · Computer Science 2012-10-11 Stefan Seer , Norbert Brändle , Carlo Ratti

Neural networks are increasingly used in robotics as policies, state transition models, state estimation models, or all of the above. With these components being learned from data, it is important to be able to analyze what behaviors were…

Machine Learning · Computer Science 2025-04-01 Joseph A. Vincent , Mac Schwager

Avoiding collisions with vulnerable road users (VRUs) using sensor-based early recognition of critical situations is one of the manifold opportunities provided by the current development in the field of intelligent vehicles. As especially…

Computer Vision and Pattern Recognition · Computer Science 2018-03-12 Michael Goldhammer , Sebastian Köhler , Stefan Zernetsch , Konrad Doll , Bernhard Sick , Klaus Dietmayer

With the recent advances in the object detection research field, tracking-by-detection has become the leading paradigm adopted by multi-object tracking algorithms. By extracting different features from detected objects, those algorithms can…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Michel Meneses , Leonardo Matos , Bruno Prado , André de Carvalho , Hendrik Macedo

Current multi-person localisation and tracking systems have an over reliance on the use of appearance models for target re-identification and almost no approaches employ a complete deep learning solution for both objectives. We present a…

Computer Vision and Pattern Recognition · Computer Science 2018-03-12 Tharindu Fernando , Simon Denman , Sridha Sridharan , Clinton Fookes