4 papers
Unrevealed Threats: A Comprehensive Study of the Adversarial Robustness of Underwater Image Enhancement Models
Siyu Zhai, Zhibo He, Xiaofeng Cong +6
Learning-based methods for underwater image enhancement (UWIE) have undergone extensive exploration. However, learning-based models are usually vulnerable to adversarial examples s…
Multiperson Detection and Vital-Sign Sensing Empowered by Space-Time-Coding RISs
Xinyu Li, Jian Wei You, Ze Gu +4
Passive human sensing using wireless signals has attracted increasing attention due to its superiorities of non-contact and robustness in various lighting conditions. However, when…
Passive Human Sensing Enhanced by Reconfigurable Intelligent Surface: Opportunities and Challenges
Xinyu Li, Jian Wei You, Ze Gu +5
Reconfigurable intelligent surfaces (RISs) have flexible and exceptional performance in manipulating electromagnetic waves and customizing wireless channels. These capabilities ena…
A high-Q metasurface signal isolator for 1.5T surface coil magnetic resonance imaging on the go
Qun Ren, Yuxin Lang, Yuqi Ja +8
The combination of surface coils and metamaterials remarkably enhance magnetic resonance imaging (MRI) performance for significant local staging flexibility. However, due to the co…