Towards freehand 3d synthetic aperture imaging with a 1d probe using differentiable beamforming

D Hyun - 2023 IEEE International Ultrasonics Symposium (IUS), 2023 - ieeexplore.ieee.org
We present a proof-of-concept approach to freehand 3D synthetic aperture imaging using a
linear 1D probe without external tracking, based on differentiable beamforming …

Flexible array curvature and sound speed estimations with a maximum spatial lag-one coherence metric

J Zhang, K Ding, MAL Bell - Photons Plus Ultrasound: Imaging …, 2024 - spiedigitallibrary.org
Flexible transducer arrays have the potential to conform to various organ shapes and sizes
during photoacoustic image-guided interventions. However, incorrect sound speeds and …

Differentiable Beamforming for Distributed Attenuation Estimation and Spatial Gain Compensation (SGC)

BN Frey, D Hyun, W Simson, T Brevett… - 2024 IEEE …, 2024 - ieeexplore.ieee.org
Ultrasound imaging with automatic differentiation has emerged as a technique to map many
model-based approaches for estimating physical beamforming or tissue parameters onto a …

Spatial Calibration for Swept Synthetic Aperture Imaging Using Differentiable Beamforming

AS Perez, J Spainhour, I Martinez… - 2024 IEEE Ultrasonics …, 2024 - ieeexplore.ieee.org
Ultrasound imaging is valued for its affordability, non-invasiveness, and ease of use but is
fundamentally limited in lateral resolution by diffraction, especially at depth. Previously, we …

An Optically Tracked Platform for Swept Synthetic Aperture Ultrasound Imaging

A Sanchez, I Martinez, J Spainhour… - 2024 IEEE Conference …, 2024 - ieeexplore.ieee.org
Ultrasound imaging, crucial for clinical diagnostics, is limited by diffraction, affecting
resolution at depth. Swept Synthetic Aperture (SSA), counters this issue by simulating a …