Neural Implicit Surface Reconstruction of Freehand 3D Ultrasound Volume with Geometric Constraints

no code implementations • 11 Jan 2024 • Hongbo Chen, Logiraj Kumaralingam, Shuhang Zhang, Sheng Song, Fayi Zhang, Haibin Zhang, Thanh-Tu Pham, Edmond H. M. Lou, Kumaradevan Punithakumar, Lawrence H. Le, Rui Zheng

Three-dimensional (3D) freehand ultrasound (US) is a widely used imaging modality that allows non-invasive imaging of medical anatomy without radiation exposure.

Anatomy Surface Reconstruction

Intelligent Omni-Surface: Ubiquitous Wireless Transmission by Reflective-Transmissive Metasurface

no code implementations • 2 Nov 2020 • Shuhang Zhang, Hongliang Zhang, Boya Di, Yunhua Tan, Marco Di Renzo, Zhu Han, H. Vincent Poor, Lingyang Song

Intelligent reflecting surface (IRS), which is capable to adjust propagation conditions by controlling phase shifts of the reflected waves that impinge on the surface, has been widely analyzed for enhancing the performance of wireless systems.

Beyond Intelligent Reflecting Surfaces: Reflective-Transmissive Metasurface Aided Communications for Full-dimensional Coverage Extension

no code implementations • 15 Sep 2020 • Shuhang Zhang, Hongliang Zhang, Boya Di, Yunhua Tan, Zhu Han, Lingyang Song

In this paper, we study an intelligent omni-surface (IOS)-assisted downlink communication system, where the link quality of a mobile user (MU) can be improved with a proper IOS phase shift design.

Signal Processing

Sense-Store-Send: Trajectory Optimization for a Buffer-aided Internet of UAVs

no code implementations • 15 Sep 2020 • Yujie Jin, Hongliang Zhang, Shuhang Zhang, Zhu Han, Lingyang Song

To minimize the overall completion time for all the sensing tasks, we formulate a joint trajectory, sensing location, and sensing time optimization problem.