A reliable gait phase detection system

IPI Pappas, MR Popovic, T Keller… - IEEE Transactions on …, 2001 - ieeexplore.ieee.org
A new highly reliable gait phase detection system, which can be used in gait analysis applications
and to control the gait cycle of a neuroprosthesis for walking, is described. The system …

A reliable gyroscope-based gait-phase detection sensor embedded in a shoe insole

IPI Pappas, T Keller, S Mangold… - IEEE sensors …, 2004 - ieeexplore.ieee.org
This paper presents results of patient experiments using a new gait-phase detection sensor (GPDS)
together with a programmable functional electrical stimulation (FES) system for …

Stability criterion for controlling standing in able-bodied subjects

MR Popović, IPI Pappas, K Nakazawa, T Keller… - Journal of …, 2000 - Elsevier
A new stability criterion that can be used to assess the standing condition of a subject from
center of pressure (CoP) measurements is presented. This criterion can be applied, for …

Transcutaneous functional electrical stimulator “Compex Motion”

T Keller, MR Popovic, IPI Pappas, PY Müller - Artificial organs, 2002 - Wiley Online Library
Research groups in the field of functional electrical stimulation (FES) are often confronted
with the fact that existing and commercially available FES stimulators do not provide sufficient …

A reliable, gyroscope based gait phase detection sensor embedded in a shoe insole

IPI Pappas, T Keller, S Mangold - SENSORS, 2002 IEEE, 2002 - ieeexplore.ieee.org
This paper describes a new gait phase detection sensor (GPDS) and its application together
with a functional electrical stimulation (FES) system for subjects with a drop-foot walking …

Automatic method to assess local ct–mr imaging registration accuracy on images of the head

IPI Pappas, M Styner, P Malik… - American journal …, 2005 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Precise registration of CT and MR images is crucial in many
clinical cases for proper diagnosis, decision making or navigation in surgical interventions…

Improved targeting device and computer navigation for accurate placement of brachytherapy needles

IPI Pappas, P Ryan, P Cossmann, J Kowal… - Medical …, 2005 - Wiley Online Library
Successful treatment of skull base tumors with interstitial brachytherapy requires high targeting
accuracy for the brachytherapy needles to avoid harming vital anatomical structures. To …

New method to assess the registration of CT-MR images of the head

IPI Pappas, P Malik, MA Styner, J Liu… - … Imaging 2004: Image …, 2004 - spiedigitallibrary.org
Due to their complementary information content, both X-ray computed tomography (CT) and
magnetic resonance (MR) imaging are employed in certain clinical cases to improve the …

[PDF][PDF] Programmable and portable electrical stimulator for transcutaneous FES applications–compex motion

MR Popovic, T Keller, IPI Pappas… - Proceedings of the 6th …, 2001 - academia.edu
A new portable and programmable electrical stimulator Compex Motion that can be used for
a wide range of transcutaneous Functional Electrical Stimulation (FES) applications is …

Compex motion—New portable transcutaneous stimulator for neuroprosthetic applications

MR Popovic, T Keller, IPI Pappas… - 2001 European Control …, 2001 - ieeexplore.ieee.org
A new portable and programmable transcutaneous electric stimulator Compex Motion that
can be used for a wide range of Functional Electrical Stimulation (FES) applications is …