Contactless material identification with millimeter wave vibrometry

H Shanbhag, S Madani, A Isanaka, D Nair… - Proceedings of the 21st …, 2023 - dl.acm.org
This paper introduces RFVibe, a system that enables contactless material and object
identification through the fusion of millimeter wave wireless signals with acoustic signals. In …

HearFire: Indoor fire detection via inaudible acoustic sensing

Z Wang, Y Wang, M Tian, J Shen - … of the ACM on interactive, mobile …, 2023 - dl.acm.org
Indoor conflagration causes a large number of casualties and property losses worldwide
every year. Yet existing indoor fire detection systems either suffer from short sensing range …

Liqdetector: enabling container-independent liquid detection with mmwave signals based on a dual-reflection model

Z Wang, Y Guo, Z Ren, W Song, Z Sun… - Proceedings of the …, 2024 - dl.acm.org
With the advancement of wireless sensing technologies, RF-based contact-less liquid
detection attracts more and more attention. Compared with other RF devices, the mmWave …

PowDew: Detecting Counterfeit Powdered Food Products using a Commodity Smartphone

J Yun, K Lee, K Lee, B Sun, J Jeon, J Ko… - Proceedings of the …, 2024 - dl.acm.org
The prevalence of counterfeit infant formulas worldwide poses serious threats to infant
health and safety, a concern highlighted by the notorious Melamine Milk Scandal that …

[HTML][HTML] FireSonic: Design and Implementation of an Ultrasound Sensing-Based Fire Type Identification System

Z Wang, Y Wang, M Liao, Y Sun, S Wang, X Sun, X Shi… - Sensors, 2024 - mdpi.com
Accurate and prompt determination of fire types is essential for effective firefighting and
reducing damage. However, traditional methods such as smoke detection, visual analysis …

Hedgehog: Detecting drink spiking on wearables

Z Yin, M Liyanage, A Zuniga, P Nurmi… - Proceedings of the 24th …, 2023 - dl.acm.org
People increasingly carry wearables and the capabilities of these devices have reached a
point where it is increasingly possible to harness the devices to support everyday …

RemoteGesture: Room-scale Acoustic Gesture Recognition for Multiple Users

M Tian, Y Wang, Z Wang, J Situ, X Sun… - 2023 20th Annual …, 2023 - ieeexplore.ieee.org
As a promising way, controlling smart devices through gestures offers the benefits of non-
contact interaction, efficiency and convenience. Previous researches on acoustic-based …

LIZARD: Pervasive sensing for autonomous plastic litter monitoring

F Dar, M Olapade, AR Ottun, Z Yin… - 2024 IEEE/ACM …, 2024 - ieeexplore.ieee.org
Littering is a significant environmental concern that causes significant damage to the natural
ecosystem and contributes adversely to human health. Monitoring litter accumulation is …

RF-TMS-CNNam: Non-destructive Passive Liquid Concentration Detection using RFID Systems

M Zhang, P Li, S Bao, H Xu, F Zhu - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
It is essential to accurately detect liquid concentration in the production processes. Radio
Frequency Identification (RFID) is commonly used for item identification and detection due to …

EarHear: Enabling the Deaf to Hear the World via Smartphone Speakers and Microphones

Z Hao, Y Wang, Z Zhang, X Dang - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
Sign language plays a vital role in communication and learning for individuals with hearing
and speech disabilities, serving as a common language for the deaf. Current state-of-the-art …