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Results for "matrix array": 8 found

BEST IN PHYSICS ULTRASOUND: A Calibration Framework for Quantifying Element Misalignment in 2D Matrix Array Transducers Used in 3D Quantitative Ultrasound

Authors: Cristel Baiu, Laura Castaneda Martinez, Ivan M. Rosado-Mendez

Affiliation: University of Wisconsin, Department of Medical Physics, University of Wisconsin-Madison, Departments of Medical Physics and Radiology, University of Wisconsin-Madison

Abstract Preview: Purpose: 2D matrix array transducers (2DMAT) are advancing volumetric ultrasound due to their ability to provide more isotropic 3D resolution, fast volumetric imaging, and highly customizable focusing...

Comparison Analysis of Three Kind of Solutions for Head and Neck Cancer VMAT Verification

Authors: Wenwen Bai

Affiliation: The Fourth Hospital of Hebei Medical University

Abstract Preview: Purpose: To compare three kind of solutions (EDR2 Film, MatriXX, COMPASS) for VMA quality assurance at head and Neck in Monaco plannig system.
Methods: Monacao 5.1 planning system optimazed 10 case...

Dosimetry Impact of Beam Flatness on a Clinical Synchrocyclotron Proton System

Authors: Winter Green, Yao Hao, Nels C. Knutson, Matthew C. Schmidt, Xiandong Zhao

Affiliation: Washington University School of Medicine in St. Louis, Washington University School of Medicine, Department of Radiation Oncology, Washington University School of Medicine, WashU Medicine

Abstract Preview: Purpose: Beam profile flatness is crucial for both photon and proton radiotherapy systems. This work investigated the dosimetry impact of beam flatness on a clinical synchrocyclotron proton system.

Dual-Modality Protoacoustic and Ultrasound Imaging for Real-Time Monitoring of Proton Therapy In Vivo

Authors: Kristina Bjegovic, Yong Chen, Lucia Rodriguez Gonzalez, Marti Roper, Liangzhong Xiang

Affiliation: University of California, Irvine, University of California Irvine, University of Oklahoma Health Sciences Center, University of Oklahoma Health Science Center

Abstract Preview: Purpose: Proton therapy is an increasingly popular cancer treatment due to its precision, enabled by the Bragg Peak (BP), which minimizes side effects. This profile necessitates in-patient localizatio...

Dynamic X-Ray Acoustic Computed Tomography (XACT)

Authors: Leshan Sun, Liangzhong Xiang, Yifei Xu, Yuchen Yan

Affiliation: University of California, Irvine

Abstract Preview: Purpose: X-ray Acoustic Computed Tomography (XACT) is a transformative innovation in medical imaging, overcoming the limitations of conventional X-ray techniques. It introduces new possibilities in cl...

Enhancing Image Quality in Acoustic Imaging Using the Segment Anything Model (SAM)

Authors: Jadon Buller, Zhuoran Jiang, Yankun Lang, Lei Ren, Leshan Sun, Liangzhong Xiang, Yifei Xu

Affiliation: University of Maryland School of Medicine, University of California, Irvine, University of California, Stanford University

Abstract Preview: Purpose: Electroacoustic tomography (EAT) and Protoacoustic (PA) imaging are novel modalities for treatment verification of electroporation and proton therapy. However, the limited acquisition angle i...

Real-Time 3D Visualization of Electric Field with Electroacoustic Tomography

Authors: Jadon O Buller, Yankun Lang, Liangzhong Xiang, Andrea Paulina Yanez

Affiliation: University of Maryland School of Medicine, University of California, Irvine

Abstract Preview: Purpose: With the widespread adoption of electroporation, there is growing interest in deep-tissue electric field monitoring. Electroporation therapy ablates target regions by generating electric fiel...

Tactile Image Prototype for Interpretation of Medical Images

Authors: Lily Jo Bertemes, Careesa Billante, Ashley Cetnar, Maximilian Stephen Meineke, Runhe Tan

Affiliation: The Ohio State University James Cancer Hospital, The James Cancer Center, The Ohio State University, The Ohio State University - James Cancer Hospital

Abstract Preview: Purpose: As accessibility is becoming a topic of increasing importance, we can consider how to make medical physics more accessible to those with various disabilities, including those with visual impa...