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🔍 philipp herholz 📂 Engineering
Showing 15 results for "philipp herholz" in Engineering
Engineering Preprint PDF DOI

Patient-Adaptive Focused Transmit Beamforming using Cognitive Ultrasound

Wessel L. van Nierop, Oisin Nolan, Tristan S.W. Stevens, Ruud J.G. van Sloun · 2025

Focused transmit beamforming is the most commonly used acquisition scheme for echocardiograms, but suffers from relatively low frame rates, and in 3D, even lower volume rates. Fast imaging based on un…

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Engineering Preprint PDF DOI

Benchmarking Shortcutting Techniques for Multi-Robot-Arm Motion Planning

Philip Huang, Yorai Shaoul, Jiaoyang Li · 2025

Generating high-quality motion plans for multiple robot arms is challenging due to the high dimensionality of the system and the potential for inter-arm collisions. Traditional motion planning methods…

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Engineering Preprint PDF DOI

A Comprehensive Framework for Automated Segmentation of Perivascular Spaces in Brain MRI with the nnU-Net

William Pham, Alexander Jarema, Donggyu Rim, Zhibin Chen, Mohamed S. H. Khlif, Vaughan G. Macefield, Luke A. Henderson, Amy Brodtmann · 2024

Background: Enlargement of perivascular spaces (PVS) is common in neurodegenerative disorders including cerebral small vessel disease, Alzheimer's disease, and Parkinson's disease. PVS enlargement may…

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Engineering Preprint PDF DOI

Enhancing Generalized Fetal Brain MRI Segmentation using A Cascade Network with Depth-wise Separable Convolution and Attention Mechanism

Zhigao Cai, Xing-Ming Zhao · 2024

Automatic segmentation of the fetal brain is still challenging due to the health state of fetal development, motion artifacts, and variability across gestational ages, since existing methods rely on h…

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Engineering Preprint PDF DOI

Fast and accurate sparse-view CBCT reconstruction using meta-learned neural attenuation field and hash-encoding regularization

Heejun Shin, Taehee Kim, Jongho Lee, Se Young Chun, Seungryung Cho, Dongmyung Shin · 2023

Cone beam computed tomography (CBCT) is an emerging medical imaging technique to visualize the internal anatomical structures of patients. During a CBCT scan, several projection images of different an…

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Engineering Preprint PDF DOI

A Radiological Clip Design Using Ultrasound Identification to Improve Localization

Jenna Cario, Zhengchang Kou, Rita J. Miller, April Dickenson, Christine U. Lee, Michael L. Oelze · 2023

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 l…

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Engineering Preprint PDF DOI

Deep Learning Based Dominant Index Lesion Segmentation for MR-guided Radiation Therapy of Prostate Cancer

Josiah Simeth, Jue Jiang, Anton Nosov, Andreas Wibmer, Michael Zelefsky, Neelam Tyagi, Harini Veeraraghavan · 2023

Dose escalation radiotherapy allows increased control of prostate cancer (PCa) but requires segmentation of dominant index lesions (DIL), motivating the development of automated methods for fast, accu…

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Engineering Preprint PDF DOI

A Metal Artifact Reduction Scheme For Accurate Iterative Dual-Energy CT Algorithms

Tao Ge, Maria Medrano, Rui Liao, Jeffrey F. Williamson, David G. Politte, Bruce R. Whiting, Joseph A. O'Sullivan · 2022

CT images have been used to generate radiation therapy treatment plans for more than two decades. Dual-energy CT (DECT) has shown high accuracy in estimating electronic density or proton stopping-powe…

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Engineering Preprint PDF DOI

Whole Heart Anatomical Refinement from CCTA using Extrapolation and Parcellation

Hao Xu, Steven A. Niederer, Steven E. Williams, David E. Newby, Michelle C. Williams, Alistair A. Young · 2021

Coronary computed tomography angiography (CCTA) provides detailed an-atomical information on all chambers of the heart. Existing segmentation tools can label the gross anatomy, but addition of applica…

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Engineering Preprint PDF DOI

PHiLIP on the HiL: Automated Multi-platform OS Testing with External Reference Devices

Kevin Weiss, Michel Rottleuthner, Thomas C. Schmidt, Matthias Wahlisch · 2021

Developing an operating system (OS) for low-end embedded devices requires continuous adaptation to new hardware architectures and components, while serviceability of features needs to be assured for e…

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Engineering Preprint PDF DOI

Trajectory Tracking for Robotic Arms with Input Saturation and Only Position Measurements

Jochem van der Veen, Pablo Borja, Jacquelien M.A. Scherpen · 2020

In this work, we propose a passivity-based control approach that addresses the trajectory tracking problem for a class of mechanical systems that comprises a broad range of robotic arms. The resulting…

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Engineering Preprint PDF DOI

Motion Correction of 3D Dynamic Contrast-Enhanced Ultrasound Imaging without Anatomical Bmode Images

Jia-Shu Chen, Maged Goubran Ph.D., Gaeun Kim, Jurgen K. Willmann M.D., Michael Zeineh M.D., Ph.D., Dimitre Hristov Ph.D., Ahmed El Kaffas Ph.D · 2020

In conventional 2D DCE-US, motion correction algorithms take advantage of accompanying side-by-side anatomical Bmode images that contain time-stable features. However, current commercial models of 3D …

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Engineering Preprint PDF DOI

Fast Compression Method for Medical Images on the Web

Bas Hulsken (Philips Digital, Computational Pathology) · 2020

The need for fast diagnostic image viewing in zero footprint web applications and the ever increasing image sizes for new modalities such as digital pathology have painfully brought to light that the …

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Engineering Preprint PDF DOI

The Domain Shift Problem of Medical Image Segmentation and Vendor-Adaptation by Unet-GAN

Wenjun Yan, Yuanyuan Wang, Shengjia Gu, Lu Huang, Fuhua Yan, Liming Xia, Qian Tao · 2019

Convolutional neural network (CNN), in particular the Unet, is a powerful method for medical image segmentation. To date Unet has demonstrated state-of-art performance in many complex medical image se…

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Engineering Preprint PDF DOI

Implementing the Stochastics Brane Calculus in a Generic Stochastic Abstract Machine

Marino Miculan (Department of Mathematics, Computer Science, University of Udine, Italy), Ilaria Sambarino (Department of Mathematics, Computer Science, University of Udine, Italy) · 2012

In this paper, we deal with the problem of implementing an abstract machine for a stochastic version of the Brane Calculus. Instead of defining an ad hoc abstract machine, we consider the generic stoc…

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