7 papers · 1 filter
Reducing Spectral Oscillations for Robust Reference Frequency-Based Ultrasound Attenuation Estimation in Harmonic Imaging
U-Wai Lok, Jingke Zhang, Chengwu Huang +14
Ultrasound attenuation coefficient estimation (ACE) has emerged as a quantitative imaging biomarker for noninvasive assessment of hepatic steatosis. A system-independent technique…
Super-Resolution Posterior Ocular Microvascular Imaging Using 3-D Ultrasound Localization Microscopy With a 32X32 Matrix Array
Junhang Zhang, U-Wai Lok, Jingke Zhang +16
The purpose of this study is to enable in-vivo three-dimensional (3-D) ultrasound localization microscopy (ULM) of posterior ocular microvasculature using a 256-channel system and…
Effective Hyper-clutter Artifacts Suppression for Ultrafast Ultrasound Doppler Imaging
Lijie Huang, Jingyi Yin, Jingke Zhang +13
Objective: Hyper-clutter artifacts (HCA), arising from strong tissue reflections or physiological motion, present persistent challenges in ultrafast ultrasound Doppler imaging, oft…
Fast 3D Ultrasound Localization Microscopy via Projection-based Processing Framework
Jingke Zhang, Jingyi Yin, U-Wai Lok +10
Three-dimensional ultrasound localization microscopy (ULM) enables comprehensive visualization of the vasculature, thereby improving diagnostic reliability. Nevertheless, its clini…
Contrast-Free Ultrasound Microvascular Imaging via Radiality and Similarity Weighting
Jingyi Yin, Jingke Zhang, Lijie Huang +14
Microvascular imaging has advanced significantly with ultrafast data acquisition and improved clutter filtering, enhancing the sensitivity of power Doppler imaging to small vessels…
Optimizing In Vivo Data Acquisition for Robust Clinical Microvascular Imaging Using Ultrasound Localization Microscopy
Chengwu Huang, U-Wai Lok, Jingke Zhang +12
Ultrasound localization microscopy (ULM) enables microvascular imaging at spatial resolutions beyond the acoustic diffraction limit, offering significant clinical potentials. Howev…