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Related papers: Hajj and Umrah Event Recognition Datasets

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We present the discovery of two new X-ray transients in archival Chandra data. The first transient, XRT 110103, occurred in January 2011 and shows a sharp rise of at least three orders of magnitude in count rate in less than 10 s, a flat…

High Energy Astrophysical Phenomena · Physics 2015-05-27 A. Glennie , P. G. Jonker , R. P. Fender , T. Nagayama , M. L. Pretorius

Event cameras, also known as neuromorphic cameras, are an emerging technology that offer advantages over traditional shutter and frame-based cameras, including high temporal resolution, low power consumption, and selective data acquisition.…

Image and Video Processing · Electrical Eng. & Systems 2023-09-22 Aniket Jagtap , RamaKrishna Venkatesh Saripalli , Joe Lemley , Waseem Shariff , Alan F. Smeaton

Activity recognition on extreme low-resolution videos, e.g., a resolution of 12*16 pixels, plays a vital role in far-view surveillance and privacy-preserving multimedia analysis. Low-resolution videos only contain limited information. Given…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Yucai Bai , Qin Zou , Xieyuanli Chen , Lingxi Li , Zhengming Ding , Long Chen

In this paper we present a large dataset with a variety of mobile mapping sensors collected using a handheld device carried at typical walking speeds for nearly 2.2 km through New College, Oxford. The dataset includes data from two…

Robotics · Computer Science 2022-07-01 Milad Ramezani , Yiduo Wang , Marco Camurri , David Wisth , Matias Mattamala , Maurice Fallon

Objective. Using raw, sub-second level, accelerometry data, we propose and validate a method for identifying and characterizing walking in the free-living environment. We focus on the sustained harmonic walking (SHW), which we define as…

As an important and practical way to obtain high dynamic range (HDR) video, HDR video reconstruction from sequences with alternating exposures is still less explored, mainly due to the lack of large-scale real-world datasets. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Yong Shu , Liquan Shen , Xiangyu Hu , Mengyao Li , Zihao Zhou

We present Multi-HMR, a strong sigle-shot model for multi-person 3D human mesh recovery from a single RGB image. Predictions encompass the whole body, i.e., including hands and facial expressions, using the SMPL-X parametric model and 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Fabien Baradel , Matthieu Armando , Salma Galaaoui , Romain Brégier , Philippe Weinzaepfel , Grégory Rogez , Thomas Lucas

The mainstream human activity recognition (HAR) algorithms are developed based on RGB cameras, which are easily influenced by low-quality images (e.g., low illumination, motion blur). Meanwhile, the privacy protection issue caused by…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Haoxiang Yang , Chengguo Yuan , Yabin Zhu , Lan Chen , Xiao Wang , Futian Wang

Sensor-based human activity recognition (HAR) is now a research hotspot in multiple application areas. With the rise of smart wearable devices equipped with inertial measurement units (IMUs), researchers begin to utilize IMU data for HAR.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-09 Fanyi Xiao , Ling Pei , Lei Chu , Danping Zou , Wenxian Yu , Yifan Zhu , Tao Li

Human pose estimation faces hurdles in real-world applications due to factors like lighting changes, occlusions, and cluttered environments. We introduce a unique RGB-Thermal Nearly Paired and Annotated 2D Pose Dataset, comprising over…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Avinash Upadhyay , Bhipanshu Dhupar , Manoj Sharma , Ankit Shukla , Ajith Abraham

A new automotive radar data set with measurements and point-wise annotations from more than four hours of driving is presented. Data provided by four series radar sensors mounted on one test vehicle were recorded and the individual…

Machine Learning · Computer Science 2024-02-20 Ole Schumann , Markus Hahn , Nicolas Scheiner , Fabio Weishaupt , Julius F. Tilly , Jürgen Dickmann , Christian Wöhler

Recent research into human action recognition (HAR) has focused predominantly on skeletal action recognition and video-based methods. With the increasing availability of consumer-grade depth sensors and Lidar instruments, there is a growing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 James Dickens

In this paper, we report a hierarchical deep learning model for classification of complex human activities using motion sensors. In contrast to traditional Human Activity Recognition (HAR) models used for event-based activity recognition,…

Machine Learning · Computer Science 2022-07-19 Eric Rosen , Doruk Senkal

Gait recognition is the characterization of unique biometric patterns associated with each individual which can be utilized to identify a person without direct contact. A public gait database with a relatively large number of subjects can…

While existing video benchmarks largely consider specialized downstream tasks like retrieval or question-answering (QA), contemporary multimodal AI systems must be capable of well-rounded common-sense reasoning akin to human visual…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Kate Sanders , Benjamin Van Durme

We present a dataset that contains object annotations with unique object identities (IDs) for the High Efficiency Video Coding (HEVC) v1 Common Test Conditions (CTC) sequences. Ground-truth annotations for 13 sequences were prepared and…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Takehiro Tanaka , Hyomin Choi , Ivan V. Bajić

Identifying potential abuses of human rights through imagery is a novel and challenging task in the field of computer vision, that will enable to expose human rights violations over large-scale data that may otherwise be impossible. While…

Computer Vision and Pattern Recognition · Computer Science 2018-05-15 Grigorios Kalliatakis , Shoaib Ehsan , Ales Leonardis , Klaus McDonald-Maier

The main goal of The Extreme Universe Space Observatory on a Super Pressure Balloon (EUSO-SPB1) was to observe from above extensive air showers caused by ultra-high energy cosmic rays. EUSO-SPB1 uses a fluorescence detector that observes…

Instrumentation and Methods for Astrophysics · Physics 2019-09-10 Michal Vrábel , Ján Genči , Pavol Bobik , Francesca Bisconti

Visual data collected from Unmanned Aerial Vehicles (UAVs) has opened a new frontier of computer vision that requires automated analysis of aerial images/videos. However, the existing UAV datasets primarily focus on object detection. An…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Murari Mandal , Lav Kush Kumar , Santosh Kumar Vipparthi

To properly assist humans in their needs, human activity recognition (HAR) systems need the ability to fuse information from multiple modalities. Our hypothesis is that multimodal sensors, visual and non-visual tend to provide complementary…

Computer Vision and Pattern Recognition · Computer Science 2022-11-09 Hyeongju Choi , Apoorva Beedu , Harish Haresamudram , Irfan Essa