Jonathan Kofman

发表

Feature selection for elderly faller classification based on wearable sensors

Jennifer Howcroft, Jonathan Kofman, Edward D. Lemaire, 2017, Journal of NeuroEngineering and Rehabilitation.

Background and amplitude encoded fringe patterns for 3D surface-shape measurement

Jonathan Kofman, Xinran Liu, J. Kofman, 2017 .

Adaptive fringe-pattern projection for image saturation avoidance in 3D surface-shape measurement.

Dong Li, Jonathan Kofman, 2014, Optics express.

Multiple-line full-field laser-camera range sensor

Jonathan Kofman, Jeffrey T. Wu, Kiatchai Borribanbunpotkat, 2007, International Symposium on Optomechatronic Technologies.

Selection of Plantar-Pressure and Ankle-Acceleration Features for Freezing of Gait Detection in Parkinson's Disease using Minimum-Redundancy Maximum-Relevance

Jonathan Kofman, Edward D. Lemaire, Scott Pardoel, 2020, 2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC).

Two-step triangular phase-shifting method for 3-D object-shape measurement

Jonathan Kofman, Adam Deslauriers, Chad English, 2005, International Symposium on Optomechatronic Technologies.

Hand-held 3D scanner without sensor pose tracking or surface markers

Jonathan Kofman, Kiatchai Borribanbunpotkat, J. Kofman, 2013 .

Two-step triangular-pattern phase-shifting method for three-dimensional object-shape measurement

Jonathan Kofman, Chad English, Peirong Jia, 2007 .

Single-frame digital phase-shifting 3D shape measurement using pixel-wise moiré-wavelength refinement

Jonathan Kofman, Fatemeh Mohammadi, 2016 .

Hand-held 3D scanner for surface-shape measurement without sensor pose tracking or surface markers

Jonathan Kofman, Kiatchai Borribanbunpotkat, J. Kofman, 2014 .

Detection of Movement Related Cortical Potentials from EEG Using Constrained ICA for Brain-Computer Interface Applications

Ning Jiang, Natalie Mrachacz-Kersting, Jonathan Kofman, 2017, Front. Neurosci..

Mechanical and biomechanical analysis of a linear piston design for angular-velocity-based orthotic control.

Edward D Lemaire, Jonathan Kofman, Reza Samadi, 2013, Journal of rehabilitation research and development.

Error compensated camera-projector calibration in shape measurement

Jonathan Kofman, D Li, J. Kofman, 2013 .

Repeated phase-offset measurement for error compensation in two-step triangular phase-shifting profilometry

Jonathan Kofman, Chad English, Peirong Jia, 2006, SPIE Optics East.

Active exploratory q-learning for large problems

Hamid R. Tizhoosh, Jonathan Kofman, Xianghai Wu, 2007, 2007 IEEE International Conference on Systems, Man and Cybernetics.

Real-time 3D surface-shape measurement using background-modulated modified Fourier transform profilometry with geometry-constraint

Jonathan Kofman, Xinran Liu, J. Kofman, 2019, Optics and Lasers in Engineering.

Teleoperation of a robot manipulator from 3D human hand-arm motion

Jonathan Kofman, Siddharth Verma, Xianghai Wu, 2003, SPIE Optics East.

High-frequency color-encoded fringe-projection profilometry based on geometry constraint for large depth range.

Jonathan Kofman, Tianyang Tao, Yiping Cao, 2020, Optics express.

Registration and integration of narrow and spatiotemporally dense range views

George K. Knopf, Jonathan Kofman, J. Kofman, 1998, Optics & Photonics.

Deflection analysis of an optimized design of a flat-spring foot prosthesis

Hubert Labelle, Jonathan Kofman, Paul Allard, 1987 .

Prospective Fall-Risk Prediction Models for Older Adults Based on Wearable Sensors

Jennifer Howcroft, Jonathan Kofman, Edward D. Lemaire, 2017, IEEE Transactions on Neural Systems and Rehabilitation Engineering.

Optomechatronic Sensors, Instrumentation, and Computer-Vision Systems

Yasuhiro Takaya, Jonathan Kofman, J. Kofman, 2006 .

Optical scanner calibration by object-image planar mapping and 3-D object-shape reconstruction accuracy

Jonathan Kofman, A. Karlsson, B. Lindström, 1992 .

Surface reconstruction using neural network mapping of range-sensor images to object space

George K. Knopf, Jonathan Kofman, J. Kofman, 2002, J. Electronic Imaging.

Continuous unconstrained range sensing of free-form surfaces without sensor-head pose measurement

George K. Knopf, Jonathan Kofman, J. Kofman, 2003 .

Optomechatronic Computer-Vision Systems II

Claudio A. Perez, Shun'ichi Kaneko, Jonathan Kofman, 2007 .

Multisensor fusion for geometric-part inspection

George K. Knopf, Jonathan Kofman, 1999, Optics East.

Neural-network calibration of a multiple-line laser-camera range sensor for 3D surface-geometry measurement

Jonathan Kofman, Chris Yu-Liang Liu, 2008, International Symposium on Optomechatronic Technologies.

Neural network mapping of image-to-object coordinates for 3D shape reconstruction

George K. Knopf, Jonathan Kofman, 1996, Other Conferences.

Adaptive reconstruction of free-form surfaces using Bernstein basis function networks

George K. Knopf, Jonathan Kofman, J. Kofman, 2001 .

Surface-geometry measurement using an untracked range-sensor head

George K. Knopf, Jonathan Kofman, 2001, SPIE Optics East.

Faller Classification in Older Adults Using Wearable Sensors Based on Turn and Straight-Walking Accelerometer-Based Features

Jennifer Howcroft, Jonathan Kofman, Edward D. Lemaire, 2017, Sensors.

Human-inspired robot task learning from human teaching

Jonathan Kofman, Xianghai Wu, J. Kofman, 2008, 2008 IEEE International Conference on Robotics and Automation.

Real-time estimation of 3D human arm motion from markerless images for human-machine interaction

Jonathan Kofman, Siddharth Verma, 2003, SPIE Optics East.

Engineering design review of stance-control knee-ankle-foot orthoses.

Edward D Lemaire, Jonathan Kofman, Terris Yakimovich, 2009, Journal of rehabilitation research and development.

High-accuracy 3D surface measurement using hybrid multi-frequency composite-pattern temporal phase unwrapping.

Jonathan Kofman, Yiping Cao, Yingying Wan, 2020, Optics express.

Multiple-step triangular-pattern phase shifting and the influence of number of steps and pitch on measurement accuracy.

Jonathan Kofman, Chad English, Peirong Jia, 2007, Applied optics.

Prediction of Freezing of Gait in Parkinson’s Disease from Foot Plantar-Pressure Arrays using a Convolutional Neural Network

Jonathan Kofman, Edward D. Lemaire, Scott Pardoel, 2020, 2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC).

Generating binary tags for fast medical image retrieval based on convolutional nets and Radon Transform

Hamid R. Tizhoosh, Jonathan Kofman, Xinran Liu, 2016, 2016 International Joint Conference on Neural Networks (IJCNN).

Robot-Manipulator Teleoperation by Markerless Vision-Based Hand-Arm Tracking

Jonathan Kofman, Siddharth Verma, Xianghai Wu, 2007 .

Wearable-Sensor-Based Detection and Prediction of Freezing of Gait in Parkinson’s Disease: A Review

Edward D Lemaire, Jonathan Kofman, Scott Pardoel, 2019, Sensors.

Dual-Task Elderly Gait of Prospective Fallers and Non-Fallers: A Wearable-Sensor Based Analysis

Jennifer Howcroft, Jonathan Kofman, Edward D. Lemaire, 2018, Sensors.

Point correspondences between successive range views using localized spin images

George K. Knopf, Jonathan Kofman, 1999, Optics East.

Comparison of linear and non-linear calibration methods for phase-shifting surface-geometry measurement

Jonathan Kofman, Adam Deslauriers, Chad English, 2005, International Symposium on Optomechatronic Technologies.

Multi-Wavelength Digital-Phase-Shifting Moiré Based on Moiré Wavelength

Jonathan Kofman, Fatemeh Mohammadi, 2019 .

Shape measurement using an experimental untracked range sensor

George K. Knopf, Jonathan Kofman, Archana Sangole, 2002, International Symposium on Optomechatronic Technologies.

Improved grid-noise removal in single-frame digital moiré 3D shape measurement

Jonathan Kofman, Fatemeh Mohammadi, 2016 .

Knee-extension-assist for knee-ankle-foot orthoses

Jonathan Kofman, Edward D. Lemaire, Alexander Spring, 2011, 2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

Neural-network approach to determine operator hand orientation for teleoperated control of a robot manipulator

Jonathan Kofman, Cedric Cocaud, Amor Jnifene, 2004, SPIE Optics East.

Teleoperation of a robot manipulator using a vision-based human-robot interface

Jonathan Kofman, Siddharth Verma, Xianghai Wu, 2005, IEEE Transactions on Industrial Electronics.

Innovations in Structured Light Methods and Optical Metrology

Jonathan Kofman, J. Kofman, 2019 .

Prospective elderly fall prediction by older-adult fall-risk modeling with feature selection

Jennifer Howcroft, Jonathan Kofman, Edward D. Lemaire, 2018, Biomed. Signal Process. Control..

Comparison of EEG spatial filters for movement related cortical potential detection

Dario Farina, Ning Jiang, Natalie Mrachacz-Kersting, 2016, 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

Triangular phase-shifting algorithms for surface measurement

Jonathan Kofman, Chad English, Peirong Jia, 2006, SPIE Optics East.

Lens distortion calibration by explicit straight-line to distorted-line geometric mapping

Jonathan Kofman, Xianghai Wu, 2004, SPIE Optics East.

Application of markerless image-based arm tracking to robot-manipulator teleoperation

Jonathan Kofman, Siddharth Verma, Xianghai Wu, 2004, First Canadian Conference on Computer and Robot Vision, 2004. Proceedings..

Calibration of a hand-held multi-line laser-camera 3D scanner

Jonathan Kofman, Kiatchai Borribanbunpotkat, J. Kofman, 2013 .

Wearable-Sensor-Based Classification Models of Faller Status in Older Adults

Edward D Lemaire, Jennifer Howcroft, Jonathan Kofman, 2016, PloS one.

Analysis of dual-task elderly gait using wearable plantar-pressure insoles and accelerometer

Jonathan Kofman, Edward D. Lemaire, William E. McIlroy, 2014, 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

Real-time full-field 3-D surface-shape measurement using off-the-shelf components and a single processor

Jonathan Kofman, Chad English, Peirong Jia, 2007, Sixth International Conference on 3-D Digital Imaging and Modeling (3DIM 2007).