Dean Ta
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Pixel-responsive optimization beamforming method for ultrasound transcranial imaging Open
The propagation of acoustic waves through bone remains a longstanding challenge in transcranial ultrasound imaging. As a highly scattering medium, the skull causes significant distortions in the ultrasonic wavefield, introducing complex ab…
Hydrodynamic Analysis of Point Absorber Wave Energy Converters Using ANSYS Aqwa Open
This study presents an analysis of a point absorber wave energy converter (WEC) system, employing advanced numerical modeling and time-domain simulations to evaluate and optimize the device’s performance. The wave energy converter consists…
Ultrafast ultrasound coded vector Doppler imaging of blood flow velocity and resistivity Open
Dynamic and precise measurement of cerebral blood flow velocity plays a critical role in neuroscience and the diagnosis of cerebrovascular diseases. Traditional color Doppler ultrasound can only measure the velocity component along the ult…
Dual-mode photoacoustic and ultrasonic quantitative evaluation of cancellous bone Open
Bone diseases, especially osteoporosis, is highly prevalent, and the chronic consequences often have debilitating effects on patients. Early diagnosis and intervention are desired, but existing bone assessment methods do not allow for regu…
Therapeutic effects of LIPUS on the elasticity of injured tendons: animal experiment Open
This paper aims to explore the efficacy and duration of low-intensity pulsed ultrasound (LIPUS) treatment in improving the elastic properties of injured tendons through animal experiments. 48 healthy 3-month-old New Zealand white rabbits (…
Improved subarray coherence factor beamformer for ultrasound plane-wave imaging Open
Coherent plane-wave compounding (CPWC) has gained significant traction in medical ultrasound imaging. The coherence factor (CF) weighting algorithm, a classical adaptive beamforming strategy, aims to enhance the CPWC imaging lateral resolu…
The deterioration of microstructure and biochemical components in cancellous bone characterizing by the photoacoustic microscopy imaging Open
Background/Objective : Osteoporosis is mainly characterized by a deterioration of microstructure and a loss of biochemical components in bone tissues. Developing an imaging technique for measuring bone tissue microstructure and the biochem…
Abdominal LIPUS stimulation prevents cognitive decline in hind limb unloaded mice by regulating gut microbiota Open
Weightlessness usually causes disruption of the gut microbiota and impairs cognitive function. There is a close connection between gut microbiota and neurological diseases. Low intensity pulsed ultrasound (LIPUS) has a beneficial effect on…
View article: Super-resolution reconstruction of ultrasound image using a modified diffusion model
Super-resolution reconstruction of ultrasound image using a modified diffusion model Open
Objective . This study aims to perform super-resolution (SR) reconstruction of ultrasound images using a modified diffusion model, designated as the diffusion model for ultrasound image super-resolution (DMUISR). SR involves converting low…
View article: Combining quantitative and qualitative analysis for scoring pleural line in lung ultrasound
Combining quantitative and qualitative analysis for scoring pleural line in lung ultrasound Open
Objective. Accurate assessment of pleural line is crucial for the application of lung ultrasound (LUS) in monitoring lung diseases, thereby aim of this study is to develop a quantitative and qualitative analysis method for pleural line. Ap…
Light on Alzheimer’s disease: from basic insights to preclinical studies Open
Alzheimer’s disease (AD), referring to a gradual deterioration in cognitive function, including memory loss and impaired thinking skills, has emerged as a substantial worldwide challenge with profound social and economic implications. As t…
Speckle Noise Reduction for Medical Ultrasound Images Using Hybrid CNN-Transformer Network Open
Ultrasound images are often affected by limited resolution, artifacts, and inherent speckle noise. To address these challenges, researchers have explored denoising approaches. Recently, deep learning methods have demonstrated distinct adva…
A Lightweight Ultrasound Image Denoiser Using Parallel Attention Modules and Capsule Generative Adversarial Network Open
The quality of ultrasound (US) imaging has been constrained by its limited contrast and resolution, inherent speckle noise, and the presence of other artifacts. Existing traditional and deep learning-based US denoising approaches have many…
View article: Weakly-Supervised Segmentation-Based Quantitative Characterization of Pulmonary Cavity Lesions in CT Scans
Weakly-Supervised Segmentation-Based Quantitative Characterization of Pulmonary Cavity Lesions in CT Scans Open
The proposed easily-trained and high-performance deep learning model provides a fast and effective way for the diagnosis and dynamic monitoring of pulmonary cavity lesions in clinic. Clinical and Translational Impact Statement: This model …
View article: Combining quantitative and qualitative analysis for scoring pleural line in lung ultrasound
Combining quantitative and qualitative analysis for scoring pleural line in lung ultrasound Open
Accurate assessment of pleural line is crucial for the application of lung ultrasound (LUS) in monitoring lung diseases, thereby aim of this study is to develop a quantitative analysis method of pleural line. At first, the novel cascaded d…
Deep learning method for cell count from transmitted-light microscope Open
Automatic cell counting provides an effective tool for medical research and diagnosis. Currently, cell counting can be completed by transmitted-light microscope, however, it requires expert knowledge and the counting accuracy which is unsa…
View article: Phase shift migration based plane-wave imaging of cortical bone
Phase shift migration based plane-wave imaging of cortical bone Open
Cortical bone, a highly attenuated, anisotropic, and multilayered biological medium with high acoustic impedance, presents significant challenges for high-frequency ultrasound to penetrate its complex structure and acquire high-quality ima…
View article: Combining quantitative and qualitative analysis for scoring pleural line in lung ultrasound
Combining quantitative and qualitative analysis for scoring pleural line in lung ultrasound Open
Accurate assessment of pleural line is crucial for the application of lung ultrasound (LUS) in monitoring lung diseases, thereby aim of this study is to develop a quantitative analysis method of pleural line. At first, the novel cascaded d…
Amplitude modulation excitation for cancellous bone evaluation using a portable ultrasonic backscatter instrumentation Open
The ultrasonic backscatter (UB) has the advantage of non-invasively obtaining bone density and structure, expected to be an assessment tool for early diagnosis osteoporosis. All former UB measurements were based on exciting a short single-…
Acoustic Hologram Reconstruction With Unsupervised Neural Network Open
An acoustic hologram is crucial in various acoustics applications. The reconstruction accuracy of the acoustic field from the hologram is important for determining the performance of the acoustic hologram system. However, challenges remain…
Photoacoustic characterization of bone physico-chemical information Open
Osteoporosis usually alters the chemical composition and physical microstructure of bone. Currently, most clinical techniques for bone assessment are focused on the either bone microstructure or bone mineral density (BMD). In this study, a…
Gross Tumor Volume Definition and Comparative Assessment for Esophageal Squamous Cell Carcinoma From 3D 18F-FDG PET/CT by Deep Learning-Based Method Open
Background The accurate definition of gross tumor volume (GTV) of esophageal squamous cell carcinoma (ESCC) can promote precise irradiation field determination, and further achieve the radiotherapy curative effect. This retrospective study…