Michael L. Oelze
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View article: Quantitative Volumetric Analysis Using 3D Ultrasound Tomography for Breast Mass Characterization
Quantitative Volumetric Analysis Using 3D Ultrasound Tomography for Breast Mass Characterization Open
Breast cancer detection remains a significant challenge, with traditional mammography presenting barriers such as discomfort, radiation exposure, high false-positive rates, and financial burden. Moreover, younger women frequently fall outs…
View article: Acoustic Transparency Enabling Functional Ultrasound Imaging Through Mouse and Human Skulls
Acoustic Transparency Enabling Functional Ultrasound Imaging Through Mouse and Human Skulls Open
Ultrasound is one of the most widely used non-invasive imaging modalities for internal organs, yet its application to the brain has been hindered for decades by the skull’s acoustic barrier. This same barrier has kept functional ultrasound…
View article: Deep-Learning-Driven High Spatial Resolution Attenuation Imaging for Ultrasound Tomography (AI-UT)
Deep-Learning-Driven High Spatial Resolution Attenuation Imaging for Ultrasound Tomography (AI-UT) Open
Ultrasonic attenuation can be used to characterize tissue properties of the human breast. Both quantitative ultrasound (QUS) and ultrasound tomography (USCT) can provide attenuation estimation. However, limitations have been identified for…
View article: Toward Real‐Time Backscatter Coefficient Estimation Incorporating the U‐Net Segmentation and an In Vivo Reference Target
Toward Real‐Time Backscatter Coefficient Estimation Incorporating the U‐Net Segmentation and an In Vivo Reference Target Open
Quantitative ultrasound using spectral‐based techniques, like the backscatter coefficient (BSC), have demonstrated capabilities for tumor characterization and therapy monitoring. The incorporation of an in situ calibration target, that is,…
View article: Low-intensity focused ultrasound of the spine in the treatment of chronic pain and movement disorder: a scoping review
Low-intensity focused ultrasound of the spine in the treatment of chronic pain and movement disorder: a scoping review Open
Low-Intensity Focused Ultrasound Stimulation (LIFU) is a noninvasive and nondestructive neuromodulatory method with growing evidence for the safe and effective treatment of chronic pain. However, the effect of LIFU applied to the spine reg…
View article: Label-free Super-Resolution Microvessel Color Flow Imaging with Ultrasound
Label-free Super-Resolution Microvessel Color Flow Imaging with Ultrasound Open
We present phase subtraction imaging (PSI), a new spatial-temporal beamforming method that enables micrometer level resolution imaging of microvessels in live animals without labels, which are microbubbles in ultrasound super-resolution im…
View article: Quantitative Ultrasound Texture Analysis of Breast Tumors: A Comparison of a Cart-Based and a Wireless Ultrasound Scanner
Quantitative Ultrasound Texture Analysis of Breast Tumors: A Comparison of a Cart-Based and a Wireless Ultrasound Scanner Open
Previous work has demonstrated quantitative ultrasound (QUS) analysis techniques for extracting features and texture features from ultrasound radiofrequency data which can be used to distinguish between benign and malignant breast masses. …
View article: Migration of Deep Learning Models Across Ultrasound Scanners
Migration of Deep Learning Models Across Ultrasound Scanners Open
A transfer function approach has recently proven effective for calibrating deep learning (DL) algorithms in quantitative ultrasound (QUS), addressing data shifts at both the acquisition and machine levels. Expanding on this approach, we de…
View article: Underlying factors that affect ultrasound conspicuity of breast biopsy markers: an exploratory study
Underlying factors that affect ultrasound conspicuity of breast biopsy markers: an exploratory study Open
Viewing angle is not affected by any other settings on an ultrasound system besides probe position, suggesting that conspicuity may not be recoverable if repositioning cannot clarify clip location. Even when viewing angle is not a concern …
View article: Deep Learning-Driven High Spatial Resolution Attenuation Imaging for Ultrasound Tomography (AI-UT)
Deep Learning-Driven High Spatial Resolution Attenuation Imaging for Ultrasound Tomography (AI-UT) Open
View article: The Art of the Steal: Purloining Deep Learning Models Developed for an Ultrasound Scanner to a Competitor Machine
The Art of the Steal: Purloining Deep Learning Models Developed for an Ultrasound Scanner to a Competitor Machine Open
A transfer function approach has recently proven effective for calibrating deep learning (DL) algorithms in quantitative ultrasound (QUS), addressing data shifts at both the acquisition and machine levels. Expanding on this approach, we de…
View article: A Radiological Clip Design Using Ultrasound Identification to Improve Localization
A Radiological Clip Design Using Ultrasound Identification to Improve Localization Open
Radiological clips are used to mark breast cancer being treated by neoadjuvant chemotherapy (NAC) via implant in or near treated lesions. As NAC progresses, available marking clips can lose visibility in ultrasound, the imaging modality of…
View article: Machine-to-Machine Transfer Function in Deep Learning-Based Quantitative Ultrasound
Machine-to-Machine Transfer Function in Deep Learning-Based Quantitative Ultrasound Open
A transfer function approach was recently demonstrated to mitigate data mismatches at the acquisition level for a single ultrasound scanner in deep learning (DL)-based quantitative ultrasound (QUS). As a natural progression, we further inv…
View article: High-Resolution Power Doppler Using Null Subtraction Imaging
High-Resolution Power Doppler Using Null Subtraction Imaging Open
To improve the spatial resolution of power Doppler (PD) imaging, we explored null subtraction imaging (NSI) as an alternative beamforming technique to delay-and-sum (DAS). NSI is a nonlinear beamforming approach that uses three different a…
View article: Grating lobe mitigation on large-pitch arrays using null subtraction imaging
Grating lobe mitigation on large-pitch arrays using null subtraction imaging Open
View article: In Vivo Validation of an In Situ Calibration Bead as a Reference for Backscatter Coefficient Calculation
In Vivo Validation of an In Situ Calibration Bead as a Reference for Backscatter Coefficient Calculation Open
View article: <i>In vivo</i>validation of an<i>in situ</i>calibration bead as a reference for backscatter coefficient calculation
<i>In vivo</i>validation of an<i>in situ</i>calibration bead as a reference for backscatter coefficient calculation Open
Objectives The study aims to assess the capability of Quantitative Ul-trasound (QUS) based on the backscatter coefficient (BSC) for classifying disease states, such as breast cancer response to neoadjuvant chemotherapy and quantifying fatt…
View article: Spectral-based Quantitative Ultrasound Imaging Processing Techniques: Comparisons of RF Versus IQ Approaches
Spectral-based Quantitative Ultrasound Imaging Processing Techniques: Comparisons of RF Versus IQ Approaches Open
Quantitative ultrasound (QUS) is an imaging technique which includes spectral-based parameterization. Typical spectral-based parameters include the backscatter coefficient (BSC) and attenuation coefficient slope (ACS). Traditionally, spect…
View article: A priori prediction of breast cancer response to neoadjuvant chemotherapy using quantitative ultrasound, texture derivative and molecular subtype
A priori prediction of breast cancer response to neoadjuvant chemotherapy using quantitative ultrasound, texture derivative and molecular subtype Open
The purpose of this study was to investigate the performances of the tumor response prediction prior to neoadjuvant chemotherapy based on quantitative ultrasound, tumour core-margin, texture derivative analyses, and molecular parameters in…
View article: Machine-to-Machine Transfer Function in Deep Learning-Based Quantitative Ultrasound
Machine-to-Machine Transfer Function in Deep Learning-Based Quantitative Ultrasound Open
A Transfer Function approach was recently demonstrated to mitigate data mismatches at the acquisition level for a single ultrasound scanner in deep learning (DL) based quantitative ultrasound (QUS). As a natural progression, we further inv…
View article: A Radiological Clip Design Using Ultrasound Identification to Improve Localization
A Radiological Clip Design Using Ultrasound Identification to Improve Localization Open
Objective: We demonstrate the use of ultrasound to receive an acoustic signal transmitted from a radiological clip designed from a custom circuit. This signal encodes an identification number and is localized and identified wirelessly by t…
View article: Detection of microcalcifications using nonlinear beamforming techniques
Detection of microcalcifications using nonlinear beamforming techniques Open
View article: A Priori Prediction of Breast Cancer Response to Neoadjuvant Chemotherapy using Quantitative Ultrasound, Texture Derivative and Molecular Subtype
A Priori Prediction of Breast Cancer Response to Neoadjuvant Chemotherapy using Quantitative Ultrasound, Texture Derivative and Molecular Subtype Open
The purpose of this study was to investigate the performances of the tumor response prediction prior to neoadjuvant chemotherapy based on quantitative ultrasound, tumour core-margin, texture derivative analyses, and molecular parameters in…
View article: High-Level Synthesis Design of Scalable Ultrafast Ultrasound Beamformer With Single FPGA
High-Level Synthesis Design of Scalable Ultrafast Ultrasound Beamformer With Single FPGA Open
Ultrafast ultrasound imaging is essential for advanced ultrasound imaging techniques such as ultrasound localization microscopy (ULM) and functional ultrasound (fUS). Current ultrafast ultrasound imaging is challenged by the ultrahigh data…
View article: Calibrating Data Mismatches in Deep Learning-Based Quantitative Ultrasound Using Setting Transfer Functions
Calibrating Data Mismatches in Deep Learning-Based Quantitative Ultrasound Using Setting Transfer Functions Open
Deep learning (DL) can fail when there are data mismatches between training and testing data distributions. Due to its operator-dependent nature, acquisition-related data mismatches, caused by different scanner settings, can occur in ultra…
View article: A Data-Efficient Deep Learning Strategy for Tissue Characterization via Quantitative Ultrasound: Zone Training
A Data-Efficient Deep Learning Strategy for Tissue Characterization via Quantitative Ultrasound: Zone Training Open
Deep learning (DL) powered biomedical ultrasound imaging is an emerging research field where researchers adapt the image analysis capabilities of DL algorithms to biomedical ultrasound imaging settings. A major roadblock to wider adoption …
View article: High-resolution Power Doppler Using Null Subtraction Imaging
High-resolution Power Doppler Using Null Subtraction Imaging Open
To improve the spatial resolution of power Doppler (PD) imaging, we explored null subtraction imaging (NSI) as an alternative beamforming technique to delay-and-sum (DAS). NSI is a nonlinear beamforming approach that uses three different a…
View article: Effects of acoustic nonlinearity on communication performance in soft tissues
Effects of acoustic nonlinearity on communication performance in soft tissues Open
Acoustic communication has been gaining traction as an alternative communication method in nontraditional media, such as underwater or through tissue. Acoustic propagation is known to be a nonlinear phenomenon; nonlinear propagation of aco…
View article: Grating Lobe Reduction in Plane-Wave Imaging With Angular Compounding Using Subtraction of Coherent Signals
Grating Lobe Reduction in Plane-Wave Imaging With Angular Compounding Using Subtraction of Coherent Signals Open
Plane-wave imaging (PWI) with angular compounding has gained in popularity over recent years, because it provides high frame rates and good image properties. However, most linear arrays used in clinical practice have a pitch that is equal …
View article: Grating lobe reduction in plane wave imaging with angular compounding using subtraction of coherent signals
Grating lobe reduction in plane wave imaging with angular compounding using subtraction of coherent signals Open
Plane wave imaging (PWI) with angular compounding has gained in popularity over recent years because it provides high frame rates and good image properties. However, most linear arrays used in clinical practice have a pitch that is equal t…