Electrical Impedance Spectroscopy of the Human Prostate. - Ryan J. Halter; Alex Hartov; John A. Heaney; Keith D. Paulsen; Alan R. Schned (IEEE Trans. Biomed. Eng., 2007)

A Broadband High-Frequency Electrical Impedance Tomography System for Breast Imaging. - Ryan J. Halter; Alex Hartov; Keith D. Paulsen (IEEE Trans. Biomed. Eng., 2008)

Statistical Estimation of EIT Electrode Contact Impedance Using a Magic Toeplitz Matrix. - Eugene Demidenko; Andrea Borsic; Yuqing Wan; Ryan J. Halter; Alex Hartov (IEEE Trans. Biomed. Eng., 2011)

Electrical impedance spectroscopy for prostate cancer diagnosis. - Vaishali Mishra; Hamza Bouayad; Alan R. Schned; John A. Heaney; Ryan J. Halter (EMBC, 2012)

Incorporating a biopsy needle as an electrode in transrectal electrical impedance imaging. - Yuqing Wan; Andrea Borsic; Alex Hartov; Ryan J. Halter (EMBC, 2012)

Who Wears Me? Bioimpedance as a Passive Biometric. - Cory Cornelius; Jacob Sorber; Ronald A. Peterson; Joe Skinner; Ryan J. Halter; David Kotz (HealthSec, 2012)

A Real-Time Electrical Impedance Sensing Biopsy Needle. - V. Mishra; Hamza Bouayad; Alan R. Schned; Alex Hartov; John A. Heaney; Ryan J. Halter (IEEE Trans. Biomed. Eng., 2012)

A wearable system that knows who wears it. - Cory Cornelius; Ronald A. Peterson; Joseph Skinner; Ryan J. Halter; David Kotz (MobiSys, 2014)

Poster: Enabling computational jewelry for mHealth applications. - Andres Molina-Markham; Ronald A. Peterson; Joseph Skinner; Ryan J. Halter; Jacob Sorber; David Kotz (MobiSys, 2014)

Amulet: a secure architecture for mHealth applications for low-power wearable devices. - Andres Molina-Markham; Ronald A. Peterson; Joseph Skinner; Tianlong Yun; Bhargav Golla; Kevin Freeman; Travis Peters; Jacob Sorber; Ryan J. Halter; David Kotz (MMA@SenSys, 2014)

Toward Microendoscopic Electrical Impedance Tomography for Intraoperative Surgical Margin Assessment. - Ryan J. Halter; Young-Joong Kim (IEEE Trans. Biomed. Eng., 2014)

Towards a smart phone-based cardiac monitoring device using electrical impedance tomography. - Saaid H. Arshad; Jordan S. Kunzika; Ethan K. Murphy; Kofi Odame; Ryan J. Halter (BioCAS, 2015)

Towards intraoperative surgical margin assessment and visualization using bioimpedance properties of the tissue. - Shadab Khan; Aditya Mahara; Elias S. Hyams; Alan R. Schned; Ryan J. Halter (Computer-Aided Diagnosis, 2015)

A multimodal imaging framework for enhanced robot-assisted partial nephrectomy guidance. - Ryan J. Halter; Xiaotian Wu; Alex Hartov; John D. Seigne; Shadab Khan (Image-Guided Procedures, 2015)

Electrical impedance map (EIM) for margin assessment during robot-assisted laparoscopic prostatectomy (RALP) using a microendoscopic probe. - Aditya Mahara; Shadab Khan; Alan R. Schned; Elias S. Hyams; Ryan J. Halter (Image-Guided Procedures, 2015)

Real-Time Electrical Impedance Variations in Women With and Without Breast Cancer. - Ryan J. Halter; Alex Hartov; Steven P. Poplack; Roberta M. diFlorio-Alexander; Wendy A. Wells; Kari M. Rosenkranz; Richard J. Barth; Peter A. Kaufman; Keith D. Paulsen (IEEE Trans. Medical Imaging, 2015)

FPGA-Based Voltage and Current Dual Drive System for High Frame Rate Electrical Impedance Tomography. - Shadab Khan; Preston K. Manwaring; Andrea Borsic; Ryan J. Halter (IEEE Trans. Medical Imaging, 2015)

3D Microendoscopic Electrical Impedance Tomography for Margin Assessment During Robot-Assisted Laparoscopic Prostatectomy. - Aditya Mahara; Shadab Khan; Ethan K. Murphy; Alan R. Schned; Elias S. Hyams; Ryan J. Halter (IEEE Trans. Medical Imaging, 2015)

Respiratory-gated electrical impedance tomography: a potential technique for quantifying stroke volume. - Saaid H. Arshad; Ethan K. Murphy; Ryan J. Halter (Biomedical Applications in Molecular, Structural, and Functional Imaging, 2016)

Amulet: An Energy-Efficient, Multi-Application Wearable Platform. - Josiah D. Hester; Travis Peters; Tianlong Yun; Ronald A. Peterson; Joseph Skinner; Bhargav Golla; Kevin M. Storer; Steven Hearndon; Kevin Freeman; Sarah E. Lord; Ryan J. Halter; David Kotz; et al. (SenSys, 2016)

The Amulet Wearable Platform: Demo Abstract. - Josiah D. Hester; Travis Peters; Tianlong Yun; Ronald A. Peterson; Joseph Skinner; Bhargav Golla; Kevin M. Storer; Steven Hearndon; Sarah E. Lord; Ryan J. Halter; David Kotz; Jacob Sorber (SenSys, 2016)

An Inverse Problems Approach to MR-EPT Image Reconstruction. - Andrea Borsic; I. Perreard; Aditya Mahara; Ryan J. Halter (IEEE Trans. Medical Imaging, 2016)

Prostate Cancer Detection Using Composite Impedance Metric. - Shadab Khan; Aditya Mahara; Elias S. Hyams; Alan R. Schned; Ryan J. Halter (IEEE Trans. Medical Imaging, 2016)

Poster: Auracle: A Wearable Device for Detecting and Monitoring Eating Behavior. - Shengjie Bi; Ellen Davenport; Jun Gong; Ronald A. Peterson; Joseph Skinner; Kevin M. Storer; Tao Wang; Kelly Caine; Ryan J. Halter; David Kotz; Kofi Odame; Jacob Sorber; et al. (MobiSys, 2017)

Toward a Wearable Sensor for Eating Detection. - Shengjie Bi; Tao Wang; Ellen Davenport; Ronald A. Peterson; Ryan J. Halter; Jacob Sorber; David Kotz (WearSys@MobiSys, 2017)

ActivityAware: An app for real-time daily activity level monitoring on the Amulet wrist-worn device. - George Boateng; John A. Batsis; Ryan J. Halter; David Kotz (PerCom Workshops, 2017)

Signal-to-Noise Ratio Analysis of a Phase-Sensitive Voltmeter for Electrical Impedance Tomography. - Ethan K. Murphy; Mohammad Takhti; Joseph Skinner; Ryan J. Halter; Kofi Odame (IEEE Trans. Biomed. Circuits Syst., 2017)

Absolute Reconstructions Using Rotational Electrical Impedance Tomography for Breast Cancer Imaging. - Ethan K. Murphy; Aditya Mahara; Ryan J. Halter (IEEE Trans. Medical Imaging, 2017)

GeriActive: Wearable app for monitoring and encouraging physical activity among older adults. - George Boateng; John A. Batsis; Patrick Proctor; Ryan J. Halter; David Kotz (BSN, 2018)

An ultra-low resource wearable EDA sensor using wavelet compression. - Gunnar Pope; Varun Mishra 001; Stephanie Lewia; Byron Lowens; David Kotz; Sarah E. Lord; Ryan J. Halter (BSN, 2018)

Detection and Monitoring of Repetitions Using an mHealth-Enabled Resistance Band. - Curtis L. Petersen; Emily V. Wechsler; Ryan J. Halter; George G. Boateng; Patrick O. Proctor; David F. Kotz; Summer B. Cook; John A. Batsis (CHASE, 2018)

The Case for a Commodity Hardware Solution for Stress Detection. - Varun Mishra 001; Gunnar Pope; Sarah E. Lord; Stephanie Lewia; Byron Lowens; Kelly Caine; Sougata Sen; Ryan J. Halter; David Kotz (UbiComp/ISWC Adjunct, 2018)

Automated segmentation and feature extraction in cardiac electrical impedance tomography images. - Saaid H. Arshad; Ethan K. Murphy; Ryan J. Halter (Biomedical Applications in Molecular, Structural, and Functional Imaging, 2018)

A real-time 4-bit imaging electrical impedance sensing biopsy needle for prostate cancer detection. - Alicia C. Everitt; Preston K. Manwaring; Ryan J. Halter (Biomedical Applications in Molecular, Structural, and Functional Imaging, 2018)

Intraoperative deformation during laryngoscopy of irradiated and non-irradiated patients. - Xiaotian Wu; Joseph A. Paydarfar; Ryan J. Halter (Image-Guided Procedures, 2018)

Auracle: Detecting Eating Episodes with an Ear-mounted Sensor. - Shengjie Bi; Tao Wang; Nicole Tobias; Josephine Nordrum; Shang Wang; George Halvorsen; Sougata Sen; Ronald A. Peterson; Kofi Odame; Kelly Caine; Ryan J. Halter; Jacob Sorber; et al. (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2018)

An Analog Front End ASIC for Cardiac Electrical Impedance Tomography. - Arun Rao; Yueh-Ching Teng; Chris Schaef; Ethan K. Murphy; Saaid H. Arshad; Ryan J. Halter; Kofi Odame (IEEE Trans. Biomed. Circuits Syst., 2018)

Multi-modal Framework for Image-guided Trans-oral Surgery with Intraoperative Imaging and Deformation Modeling. - Xiaotian Wu; C. Antonio Sánchez; Peter W. Kahng; Christiaan A. Rees; Aravind S. Ponukumati; Eric A. Eisen; David A. Pastel; Heather Borgard; John E. Lloyd; Sidney S. Fels; Joseph A. Paydarfar; Ryan J. Halter (EMBC, 2019)

Electrical impedance mapping for localizing evolving traumatic brain injury. - Alicia Everitt; Brandon K. Root; David F. Bauer; Ryan J. Halter (Biomedical Applications in Molecular, Structural, and Functional Imaging, 2019)

Study of separation between ex vivo malignant and benign prostatic tissue using magnetic resonance electrical property tomography. - Ethan K. Murphy; Elias S. Hyams; Alan R. Schned; Jason Pettus; Ryan J. Halter (Biomedical Applications in Molecular, Structural, and Functional Imaging, 2019)

Toward a framework for navigational guidance during surgical access. - Michael A. Kokko; John D. Seigne; Douglas W. Van Citters; Ryan J. Halter (Image-Guided Procedures, 2019)

Improving target localization during trans-oral surgery with use of intraoperative imaging. - Peter W. Kahng; Xiaotian Wu; Nithya P. Ramesh; David A. Pastel; Ryan J. Halter; Joseph A. Paydarfar (Int. J. Comput. Assist. Radiol. Surg., 2019)

Design and Implementation of an Ultra-Low Resource Electrodermal Activity Sensor for Wearable Applications ‡. - Gunnar Pope; Ryan J. Halter (Sensors, 2019)

Toward Electrical Impedance Tomography Coupled Ultrasound Imaging for Assessing Muscle Health. - Ethan K. Murphy; Joseph Skinner; Maria Martucci; Seward B. Rutkove; Ryan J. Halter (IEEE Trans. Medical Imaging, 2019)

Remote Rehabilitation: A Field-Based Feasibility Study of an mHealth Resistance Exercise Band. - Curtis L. Petersen; Colin M. Minor; Suehayla Mohieldin; Linda G. Park; Ryan J. Halter; John A. Batsis (CHASE, 2020)

Bioimpedance Sensing Surgical Drill - Computational Modelling and Experimental Validation. - Harshavardhan Devaraj; Ethan K. Murphy; Ryan J. Halter (EMBC, 2020)

Measuring children's eating behavior with a wearable device. - Shengjie Bi; Yiyang Lu; Nicole Tobias; Ella Ryan; Travis D. Masterson; Sougata Sen; Ryan J. Halter; Jacob Sorber; Diane Gilbert-Diamond; David Kotz (ICHI, 2020)

Modeling the surgical exposure of anatomy in robot-assisted laparoscopic partial nephrectomy. - Michael A. Kokko; John D. Seigne; Douglas W. Van Citters; Ryan J. Halter (Image-Guided Procedures, 2020)

Development of a novel tumor phantom model for head and neck squamous cell carcinoma and its applications. - Michael Sramek; Yuan Shi; Erick Quintanilla; Xiaotian Wu; Aravind S. Ponukumati; David A. Pastel; Ryan J. Halter; Joseph A. Paydarfar (Image-Guided Procedures, 2020)

Estimating tongue deformation during laryngoscopy using hybrid FEM-multibody model and intraoperative tracking: a cadaver pilot study. - Xiaotian Wu; C. Antonio Sánchez; John E. Lloyd; Heather Borgard; Sidney S. Fels; Joseph A. Paydarfar; Ryan J. Halter (Image-Guided Procedures, 2020)

Continuous Detection of Physiological Stress with Commodity Hardware. - Varun Mishra 001; Gunnar Pope; Sarah E. Lord; Stephanie Lewia; Byron Lowens; Kelly Caine; Sougata Sen; Ryan J. Halter; David Kotz (ACM Trans. Comput. Heal., 2020)

A 1 MHz Miniaturized Electrical Impedance Tomography System for Prostate Imaging. - Arun Rao; Ethan K. Murphy; Ryan J. Halter; Kofi M. Odame (IEEE Trans. Biomed. Circuits Syst., 2020)

A System for Characterizing Intraoperative Force Distribution During Operative Laryngoscopy. - Aravind S. Ponukumati; Xiaotian Wu; Peter W. Kahng; Joseph Skinner; Joseph A. Paydarfar; Ryan J. Halter (IEEE Trans. Biomed. Eng., 2020)

Phantom Studies of Fused-Data TREIT Using Only Biopsy-Probe Electrodes. - Ethan K. Murphy; Xiaotian Wu; Alicia C. Everitt; Ryan J. Halter (IEEE Trans. Medical Imaging, 2020)

BandPass: A Bluetooth-Enabled Remote Monitoring Device for Sarcopenia. - Suehayla Mohieldin; Colin M. Minor; Curtis L. Petersen; John A. Batsis; Ryan J. Halter (ICC Workshops, 2021)

Multi-body statistical shape representation of anatomy for navigation in robot-assisted laparoscopic partial nephrectomy. - Michael A. Kokko; John D. Seigne; Douglas W. Van Citters; Ryan J. Halter (Image-Guided Procedures, 2021)

Imaging-compatible oral retractor system for use in image-guided transoral robotic surgery. - Yuan Shi; Xiaotian Wu; Joseph A. Paydarfar; Ryan J. Halter (Image-Guided Procedures, 2021)

Bioimpedance Sensing Surgical Drill - In Vivo Porcine Model. - Harshavardhan Devaraj; Ethan K. Murphy; Ryan J. Halter (EMBC, 2022)

A novel abdominal phantom model for laparoscopic and robotic exposure of retroperitoneal structures. - Michael A. Kokko; John D. Seigne; Douglas W. Van Citters; Ryan J. Halter (Image-Guided Procedures, 2022)

Surgical navigation system for image-guided transoral robotic surgery: a proof of concept. - Yuan Shi; Yajie Lou; Iroha Shirai; Xiaotian Wu; Joseph A. Paydarfar; Ryan J. Halter (Image-Guided Procedures, 2022)

A particle filter approach to dynamic kidney pose estimation in robotic surgical exposure. - Michael A. Kokko; Douglas W. Van Citters; John D. Seigne; Ryan J. Halter (Int. J. Comput. Assist. Radiol. Surg., 2022)

Novel Electrode Placement in Electrical Bioimpedance-Based Stroke Detection: Effects on Current Penetration and Injury Characterization in a Finite Element Model. - Theodore S. Bronk; Alicia C. Everitt; Ethan K. Murphy; Ryan J. Halter (IEEE Trans. Biomed. Eng., 2022)

Towards intraoperative surgical margin assessment: Validation of an electrical impedance-based probe with ex vivo bovine tissue. - Allaire F. Doussan; Sophie Lloyd; Ethan K. Murphy; Ryan J. Halter (EMBC, 2023)

Evaluating a PSMNet-based pipeline for intraoperative stereo reconstruction with the da Vinci Xi. - Michael A. Kokko; Lucas C. Andersen; Ryan J. Halter (Image-Guided Procedures, 2023)

Initial image-plane assessment of kinematic-based stereo overlay in trans-oral robotic surgery. - Michael A. Kokko; Yuan Shi; Joseph A. Paydarfar; Ryan J. Halter (Image-Guided Procedures, 2023)

Depth sensing capabilities of an interoperative impedance sensing probe. - Sophie Lloyd; Ethan K. Murphy; Zenia Valdiviezo; Ryan J. Halter (EMBC, 2024)

Assessing Pulmonary Function in ALS using Electrical Impedance Tomography. - Ethan K. Murphy; Allaire F. Doussan; Sarah Verga; Elijah W. Stommel; Courtney E. McIlduff; Ryan J. Halter; Seward B. Rutkove (EMBC, 2024)

Evaluating EIT, hdEEG, and iPhone Electrode Localization for Stroke Applications. - Ethan K. Murphy; Alicia C. Everitt; Haley Richards; Yinchen Song; Erik J. Kobylarz; Timothy Lukovits; Diana M. Rojas-Soto; Ryan J. Halter (EMBC, 2024)

Evaluating an impedance-based smart drill system in a preliminary human cadaver model. - Safina Sahil Suratwala; Alicia Everitt; Michael Salin; Ryan J. Halter (EMBC, 2024)

A Lightweight Algorithm for Classifying Ex Vivo Tissues Samples. - Tzu-Hao Li; Ethan K. Murphy; Allaire F. Doussan; Ryan J. Halter; Kofi Odame (CoRR, 2024)

Development of an Electrical Impedance Tomography Coupled Surgical Stapler for Tissue Characterization. - Ethan K. Murphy; Harshavardhan Devaraj; Matthew Eschbach; Robert Knapp; Brian Holden; Ryan J. Halter (IEEE Trans. Biomed. Eng., 2024)

A Clinically Feasible Electrode Array for 3D Intraoperative Electrical Impedance Tomography-Based Surgical Margin Assessment in Robot-Assisted Radical Prostatectomy. - Shannon E. Kossmann; Ethan K. Murphy; Allaire F. Doussan; Sophie Lloyd; Ryan J. Halter (IEEE Trans. Biomed. Eng., 2024)

Comparison of Complex Open Domain Electrical Impedance Tomography Methods. - Allaire F. Doussan; Ethan K. Murphy; Sophie Lloyd; Ryan J. Halter (IEEE Trans. Biomed. Eng., 2025)