IEEE

CIT-HAR: A High Accuracy and Lightweight Human Activity Recognition System Using CSI Heatmaps and a Hybrid Transformer Network

Abstract: Device-free human activity recognition (HAR) based on channel state information (CSI) has gained significant attention in the Internet of Things (IoT) domain. However, raw CSI data often ...
IEEE

Multioccupancy Activity Recognition Based on Deep Learning Models Fusing UWB Localization Heatmaps and Nearby-Sensor Interaction

Abstract: Human activity recognition (HAR) focuses on developing systems and techniques to recognize and categorize human actions automatically based on sensor data. This study combines ultrawideband ...
Rest of World

We mapped the world’s hottest data centers

On paper, Singapore is a terrible location for a data center. With average temperatures hitting 33 degrees Celsius (91 degrees Fahrenheit) and relative humidity levels of above 80%, the country is ...