Pardoel, S., Nantel, J., Kofman, J. and Lemaire, E.D. (2022). Prediction of Freezing of Gait in Parkinson’s Disease using Unilateral and Bilateral Plantar-Pressure Data. Frontiers in Neurology, 13, 831063, doi:10.3389/fneur.2022.831063.
Shalin, G., Pardoel, S., Lemaire, E.D., Nantel, J. and Kofman, J. (2021). Prediction and Detection of Freezing of Gait in Parkinson’s Disease from Plantar Pressure Data using Long Short-Term Memory Neural-Networks. Journal of NeuroEngineering and Rehabilitation,18, 167, doi:10.1186/s12984-021-00958-5.
Pardoel, S., Shalin, G., Lemaire, E.D.,
Kofman, J. and Nantel, J.
(2021). Grouping Successive Freezing of Gait Episodes has Neutral to Detrimental
Effect on Freeze Detection and Prediction in Parkinson’s Disease.
PLoS ONE 16(10): e0258544,
doi:10.1371/journal.pone.0258544.
Pardoel S., Shalin, G., Nantel, J., Lemaire, E.D. and Kofman, J. (2021). Early Detection of Freezing of Gait during Walking using Inertial Measurement Unit and Plantar Pressure Distribution Data. Sensors, 21(6), 2246, doi:10.3390/s21062246.
Wan, Y., Cao, Y. and Kofman, J. (2020). High-Accuracy 3D Surface Measurement using Hybrid Multi-Frequency Composite-Pattern Temporal Phase Unwrapping. Optics Express, 28(26), 39165-39180, doi:10.1364/OE.410690.
Wan, Y., Cao, Y., Liu, X., Tao, T. and Kofman, J. (2020). High-Frequency Color-Encoded Fringe-Projection Profilometry Based on Geometry Constraint for Large Depth Range. Optics Express, 28(9), 13043-13058, doi:10.1364/OE.388579.
Pardoel, S., Kofman, J., Nantel, J. and Lemaire, E.D. (2019). Wearable-Sensor-Based Detection and Prediction of Freezing of Gait in Parkinson’s Disease: A Review. Sensors, 19, 5141, doi:10.3390/s19235141.
Liu, X., Tao, T., Wan, Y. and Kofman, J. (2019). Real-Time Motion-Induced-Error Compensation in 3D Surface-Shape Measurement. Optics Express, 27(18), 25265-25279, doi:10.1364/OE.27.025265.
Liu, X. and Kofman, J. (2019). Real-Time 3D Surface-Shape Measurement using Background-Modulated Modified Fourier Transform Profilometry with Geometry-Constraint. Optics and Lasers in Engineering, 115, 217–224, doi:10.1016/j.optlaseng.2018.11.014.
Mohammadi, F. and Kofman, J. (2019). Multi-Wavelength Digital-Phase-Shifting Moiré Based on Moiré Wavelength. Applied Sciences, 9(9), 1917, doi:10.3390/app9091917.
Howcroft, J., Lemaire, E.D., Kofman, J. and McIlroy, W.E. (2018). Dual-Task Elderly Gait of Prospective Fallers and Non-Fallers: A Wearable-Sensor Based Analysis. Sensors, 18(4), 1275, doi:10.3390/s18041275.
Howcroft, J., Lemaire, E.D. and Kofman, J. (2018). Prospective Elderly Fall Prediction by Older-Adult Fall-Risk Modeling with Feature Selection. Biomedical Signal Processing and Control, 43, 320-328, doi:10.1016/j.bspc.2018.03.005.
Babaei, A., Saadatseresht, M. and Kofman, J. (2017). Exponential Fringe Pattern Projection Approach to Gamma-Independent Phase Computation Without Calibration for Gamma Nonlinearity in 3D Optical Metrology. Optics Express, 25(21), 24927-24938, doi:10.1364/OE.25.024927.
Liu, X. and Kofman, J. (2017). High-Frequency Background Modulation Fringe Patterns based on a Fringe-Wavelength Geometry-Constraint Model for 3D Surface-Shape Measurement. Optics Express, 25(14), 16618-16628, doi:10.1364/OE.25.016618.
Karimi, F., Kofman, J., Mrachacz-Kersting, N., Farina, D. and Jiang, N. (2017). Detection of Movement Related Cortical Potentials from EEG using Constrained ICA for Brain-Computer Interface Applications. Frontiers in Neuroscience, 11:356, doi:10.3389/fnins.2017.00356.
Drover, D., Howcroft, J., Kofman, J. and Lemaire, E.D. (2017). Faller Classification in Older Adults using Wearable Sensors Based on Turn and Straight-Walking Accelerometer-Based Features. Sensors, 17(6), 1321, doi:10.3390/s17061321.
Howcroft, J., Kofman, J. and Lemaire, E.D. (2017). Feature Selection for Elderly Faller Classification based on Wearable Sensors. Journal of NeuroEngineering and Rehabilitation, 14:47, doi:10.1186/s12984-017-0255-9.
Howcroft, J., Kofman, J. and Lemaire, E.D. (2017). Prospective Fall-Risk Prediction Models for Older Adults based on Wearable Sensors. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 25(10), 1812-1820, doi:10.1109/TNSRE.2017.2687100.
Liu, X. and Kofman, J. (2017). Background and Amplitude Encoded Fringe Patterns for 3D Surface-Shape Measurement. Optics and Lasers in Engineering, 94, 63-69, doi:10.1016/j.optlaseng.2017.02.014.
Howcroft, J., Lemaire, E.D., Kofman, J. and McIlroy, W.E. (2017). Elderly Fall Risk Prediction Using Static Posturography. PLoS ONE, 12(2): e0172398, doi:10.1371/journal.pone.0172398.
Mohammadi, F. and Kofman, J. (2016). Improved Grid-Noise Removal in Single-Frame Digital Moiré 3D Shape Measurement. Optics and Lasers in Engineering, 86, 143-155, doi:10.1016/j.optlaseng.2016.05.024.
Howcroft, J., Lemaire, E.D. and Kofman, J. (2016). Wearable-Sensor-Based Classification Models of Faller Status in Older Adults. PLoS ONE, 11(4): e0153240, doi:10.1371/journal.pone.0153240.
Howcroft, J., Kofman, J., Lemaire, E.D. and McIlroy, W.E. (2016). Analysis of Dual-Task Elderly Gait in Fallers and Non-Fallers using Wearable Sensors. Journal of Biomechanics, 49(7), 992-1001, doi:10.1016/j.jbiomech.2016.01.015.
Howcroft, J., Lemaire, E.D., Kofman, J. and Kendell, C. (2016). Understanding Responses to Gait Instability from Plantar Pressure Measurement and the Relationship to Balance and Mobility in Lower-Limb Amputees. Clinical Biomechanics, 32, 241–248, doi:10.1016/j.clinbiomech.2015.11.004.
Mohammadi, F. and Kofman, J. (2016) Single-Frame Digital Phase-Shifting 3D Shape Measurement Using Pixel-Wise Moiré-Wavelength Refinement. Optics and Lasers in Engineering, 78, 196–204, doi:10.1016/j.optlaseng.2015.08.011.
Kendell, C., Lemaire, E.D., Kofman, J. and Dudek, N.L. (2016). Gait Adaptations of Transfemoral Prosthesis Users Across Multiple Walking Tasks. Prosthetics and Orthotics International, 40(1), 89-95.
Howcroft, J., Lemaire, E.D., Kofman, J. and Kendell, C. (2015). Understanding Dynamic Stability from Pelvis Accelerometer Data and the Relationship to Balance and Mobility in Transtibial Amputees. Gait and Posture, 41(3), 808–812.
Li, D. and Kofman, J. (2014). Adaptive Fringe-Pattern Projection for Image Saturation Avoidance in 3D Surface-Shape Measurement. Optics Express, 22(8), 9887-9901, doi:10.1364/OE.22.009887.
Waddington, C. and Kofman, J. (2014). Camera-Independent Saturation Avoidance in Measuring High-Reflectivity-Variation Surfaces Using Pixel-Wise Composed Images from Projected Patterns of Different Maximum Gray Level. Optics Communications, 333, 32-37.
Waddington, C. and Kofman, J. (2014). Modified Sinusoidal Fringe-Pattern Projection for Variable Illuminance in Phase-Shifting 3-D Surface-Shape Metrology. Optical Engineering, 53(8), 084109, 1-9 .
Kofman, J. and Borribanbunpotkat, K. (2014). Hand-held 3D Scanner for Surface-Shape Measurement Without Sensor Pose Tracking or Surface Markers. Virtual and Physical Prototyping, 9(2), 81-95.
Howcroft, J., Kofman, J. and Lemaire, E.D. (2013). Review of Fall-Risk Assessment in Geriatric Populations Using Inertial Sensors. Journal of NeuroEngineering and Rehabilitation, 10:91, 1-12, doi:10.1186/1743-0003-10-91.
Lemaire, E.D., Samadi, R., Goudreau, L. and Kofman, J. (2013). Mechanical and Biomechanical Analysis of a Linear-Piston Design for Angular-Velocity-Based Orthotic Control. Journal of Rehabilitation Research and Development, 50(1), 43–52.
Spring, A.N., Kofman, J. and Lemaire, E.D. (2012). Design and Evaluation of an Orthotic Knee-Extension Assist. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 20(5), 678-687.
Kendell C., Lemaire, E.D., Dudek N.L. and Kofman J. (2010). Indicators of Dynamic Stability in Transtibial Prosthesis Users. Gait and Posture, 31(3), 375-379.
Waddington, C. and Kofman, J. (2010). Analysis of Measurement Sensitivity to Illuminance and Fringe-Pattern Gray Levels for Fringe-Pattern Projection Adaptive to Ambient Lighting. Optics and Lasers in Engineering, 48(2), 251-256.
Lemaire, E.D., Goudreau, L., Yakimovich, T. and Kofman, J. (2009). Angular-Velocity Control Approach for Stance-Control Orthoses. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 17(5), 497-503.
Yakimovich, T., Lemaire, E.D. and Kofman, J. (2009). Engineering Design Review of Stance-Control Knee-Ankle-Foot Orthoses. Journal of Rehabilitation Research and Development, 46(2), 257-268.
Biswas, A., Lemaire, E.D. and Kofman, J. (2008). Dynamic Gait Stability Index Based on Plantar Pressures and Fuzzy Logic. Journal of Biomechanics, 41(7), 1574-1581.
Jia, P., Kofman, J. and English, C. (2008). Error Compensation in Two-Step Triangular-Pattern Phase-Shifting Profilometry. Optics and Lasers in Engineering, 46(4), 311-320.
Kofman, J., Verma, S. and Wu, X. (2007). Robot-Manipulator Teleoperation by Markerless Vision-Based Hand-Arm Tracking. International Journal of Optomechatronics, 1(3), 331-357.
Jia, P., Kofman, J. and English, C. (2007). Intensity-Ratio Error Compensation for Triangular-Pattern Phase-Shifting Profilometry. Journal of the Optical Society of America A, 24(10), 3150-3158.
Jia, P., Kofman, J. and English, C. (2007). Multiple-Step Triangular-Pattern Phase-Shifting and the Influence of Number of Steps and Pitch on Measurement Accuracy. Applied Optics, 46(16), 3253-3262.
Jia, P., Kofman, J. and English, C. (2007). Two-Step Triangular-Pattern Phase-Shifting Method for Three-Dimensional Object-Shape Measurement. Optical Engineering, 46(8), 083201, 1-9.
Jia, P., Kofman, J. and English, C. (2007). Comparison of Linear and Nonlinear Calibration Methods for Phase-Measuring Profilometry. Optical Engineering, 46(4), 043601, 1-10.
Yakimovich, T.S., Lemaire, E.D. and Kofman, J. (2006). Preliminary Kinematic Evaluation of a New Stance-Control Knee-Ankle-Foot Orthosis. Clinical Biomechanics, 21(10), 1081-1089.
Yakimovich, T., Kofman, J. and Lemaire, E.D. (2006). Design and Evaluation of a Stance-Control Knee-Ankle-Foot Orthosis Knee Joint. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 14(3), 361-369.
Kofman, J., Wu, X., Luu, T. and Verma, S. (2005) Teleoperation of a Robot Manipulator Using a Vision-Based Human-Robot Interface. IEEE Transactions on Industrial Electronics, 52(5), 1206-1219.
Kofman, J. and Knopf, G.K. (2003). Continuous Unconstrained Range Sensing of Free-Form Surfaces Without Sensor-Head Pose Measurement. Optical Engineering, 42(5), 1496-1510.
Knopf, G.K. and Kofman, J., (2002). Surface Reconstruction Using Neural Network Mapping of Range-Sensor Images to Object Space. Journal of Electronic Imaging, 11(2), 187-194.
Knopf, G.K. and Kofman, J., (2001). Adaptive Reconstruction of Free-Form Surfaces Using Bernstein Basis Function Networks. Engineering Applications of Artificial Intelligence, 14(5), 577-588.
Allard, P., Kofman, J., Labelle, H., Lévesque, C. and Duhaime, M. (1988). Preliminary Evaluation of an Optimally Designed Flat-Spring Foot Prosthesis for Children. Orthopädie-Technik, 39, 261-268.
Kofman, J., Allard, P., Duhaime, M., Labelle, H. and Vanasse, M. (1985). A Functional Knee-Ankle Orthosis for Duchenne Muscular Dystrophy Patients Using a Spring-Loaded Knee Joint Mechanism. Orthopädie-Technik, 36, 403-407.
Sirois, J.P., Allard, P., Duhaime, M., Geoffroy, G. and Kofman, J. (1984). Evaluation of Foot Deformity Using a Three-Dimensional Geometric Model. Canadian Journal of Neurological Sciences, 11, 578-581.
Öberg, K., Kofman, J., Karlsson, A., Lindström, B. and Sigblad, G. (1989). The CAPOD System - A Scandinavian CAD/CAM System for Prosthetic Sockets. Journal of Prosthetics and Orthotics, 1, 139-148.
Otani, Y., Bellouard, Y., Wen, J.T., Hodko, D., Katagiri, Y., Kassegne, S.K., Kofman, J., Kaneko, S., Perez, C.A., Coquin, D., Kaynak, O., Cho, Y., Fukuda, T., Yi, J. and Janabi-Sharifi, F. Eds. (2008), Optomechatronic Technologies 2008, Proc International Society for Optical Engineering (SPIE) 7266.
Kofman, J., Lopez de Meneses, Y., Kaneko, S., Perez, C.A. and Coquin, D. (2007). Optomechatronic Computer-Vision Systems II, Proc International Society for Optical Engineering (SPIE) 6718.
Takaya, Y. and Kofman J. (2006). Optomechatronic Sensors, Instrumentation, and Computer-Vision Systems, Proc International Society for Optical Engineering (SPIE) 6375.
Kofman, J. (2019). Advances in Real-Time Optical Metrology, 9th International Symposium on Precision Mechanical Measurements (ISPMM 2019), Oct. 18-21, 2019, Chongqing, China.
Kofman, J. (2019). Innovations in 3D Surface-Shape Measurement for Real-Time Applications, International Symposium on 3D Visual Perception and Applications (IS3DVPA), Oct. 17-20, 2019, Qingdao, Shandong, China.
Kofman, J. (2018). Innovations in Machine Vision and
Optical Metrology, 2018
International Frontier Science Summit
Forum for Optical Measurement and Machine Vision, July 20-22, 2018,
Xiangtan, Hunan, China.
Karimi, F., Kofman, J., Mrachcz-Kersting, N., Farina, D. and Jiang, N. (2016). Comparison of EEG Spatial Filters for Movement Related Cortical Potential Detection. IEEE Engineering in Medicine and Biology Society 38th Annual International Conference, Aug. 16-20, 2016, Orlando, FL, USA, 1576-1579.
Liu, X., Tizhoosh, H.R. and Kofman, J. (2016). Generating Binary Tags for Fast Medical Image Retrieval Based on Convolutional Nets and Radon Transform. IEEE World Congress on Computational Intelligence (IEEE WCCI), International Joint Conference on Neural Networks (IJCNN). July 24-29, 2016, Vancouver, BC, Canada, 2872-2878.
Mohammadi, F. and Kofman, J. (2016) Grid-Noise Removal for Single-Frame Digital Moiré Metrology. International Conference on Digital Optical and Imaging Methods Applied to Mechanical Engineering. May 8-13, 2016, Ascona, Switzerland, 124-127.
Howcroft, J., Kofman, J., Lemaire, E.D. and McIlroy, W.E. (2015). Static Posturography of Elderly Fallers and Non-Fallers with Eyes Open and Closed. World Congress on Medical Physics and Biomedical Engineering, June 7-12, 2015, Toronto, ON, Canada. International Federation for Medical and Biological Engineering (IFMBE) Proceedings 51, 966-969.
Howcroft, J., Lemaire, E.D., Kofman, J., and McIlroy, W.E. (2014). Analysis of Dual-Task Elderly Gait Using Wearable Plantar-Pressure Insoles and Accelerometer. IEEE Engineering in Medicine and Biology Society 36th Annual International Conference, Aug. 2014, Chicago, IL, USA, 5003-5006.
Li, D. and Kofman J. (2013). Adaptive Fringe-Pattern Projection for Image Saturation Avoidance in 3D Surface-Shape Measurement. International Symposium on Optomechatronic Technologies (ISOT) 2013, Jeju, South Korea, M2C-4:1-7.
Kofman J. and Borribanbunpotkat, K. (2013). Hand-Held 3D Scanner Without Sensor Pose Tracking or Surface Markers. High Value Manufacturing: Advanced Research in Virtual and Rapid Prototyping: Proceedings 6th International Conference on Advanced Research in Virtual and Rapid Prototyping, Oct. 2013, Leiria, Portugal, 429-434.
Borribanbunpotkat, K. and Kofman J. (2013). Calibration of a Hand-Held Multi-Line Laser-Camera 3D Scanner. High Value Manufacturing: Advanced Research in Virtual and Rapid Prototyping: Proceedings 6th International Conference on Advanced Research in Virtual and Rapid Prototyping, Oct. 2013, Leiria, Portugal, 435-440.
Li, D. and Kofman J. (2013). Error Compensated Camera-Projector Calibration in Shape Measurement. High Value Manufacturing: Advanced Research in Virtual and Rapid Prototyping: Proceedings 6th International Conference on Advanced Research in Virtual and Rapid Prototyping, Oct. 2013, Leiria, Portugal, 441-446.
Spring, A., Kofman J. and Lemaire E. (2011). Knee-Extension-Assist for Knee-Ankle-Foot Orthoses. IEEE Engineering in Medicine and Biology Society 33rd Annual International Conference, August 2011, Boston, MA, USA, 8259-8262.
Waddington, C. and Kofman, J. (2010). Saturation Avoidance by Adaptive Fringe Projection in Phase-Shifting 3D Surface-Shape Measurement, International Symposium on Optomechatronic Technologies (ISOT) 2010,Toronto, ON, Canada. IEEE Digital Library DOI 10.1109/ISOT.2010.5687390, 1-4.
Waddington, C. and Kofman, J. (2010). Sinusoidal Fringe-Pattern Projection for 3-D Surface Measurement with Variable Illuminance, International Symposium on Optomechatronic Technologies (ISOT) 2010,Toronto, ON, Canada. IEEE Digital Library DOI 10.1109/ISOT.2010.5687389, 1-5.
Liu, C.Y.L. and Kofman, J. (2008). Neural-Network Calibration of a Multiple-Line Laser-Camera Range Sensor for 3D Surface-Geometry Measurement, in Optomechatronic Computer-Vision Systems III, International Symposium on Optomechatronic Technologies (ISOT) 2008, San Diego, CA, USA, Proc. SPIE 7266, 72661J-1 - 72661J-6.
Lemaire, E.D., Goudreau, L., Yakimovich, T. and Kofman, J. (2008). Angular-Velocity Control Approach for Stance-Control Knee Ankle Foot Orthoses, Rehabilitation - Volume VII, Suppl. 5th Regional Central European International Society for Prosthetics and Orthotics (ISPO) Conference, Sept., 2008, Portorož, Slovenia, 89-91.
Yakimovich, T., Lemaire, E.D., Goudreau, L. and Kofman, J. (2008). Design and Development of an Angular-Velocity Activated Hydraulic Knee Orthosis, 31st Canadian Medical and Biological Engineering Conference (CMBEC31), June 2008, Montreal, QC, Canada, 4 pages.
Wu, X. and Kofman, J. (2008). Human-Inspired Robot Task Learning from Human Teaching. IEEE International Conference on Robotics and Automation (ICRA 2008), May 2008, Pasadena, CA, USA, 3334-3339.
Kofman, J., Wu, J. and Borribanbunpotkat, K. (2007). Multiple-Line Full-Field Laser-Camera Range Sensor, in Optomechatronic Computer-Vision Systems II, J. Kofman, Y. Lopez de Meneses, S. Kaneko, C. A. Perez, D. Coquin, (Eds.) International Symposium on Optomechatronic Technologies (ISOT) 2007, Lausanne, Switzerland, Proc. SPIE 6718, 67180A, 1-9.
Wu, X., Kofman, J. and Tizhoosh, H.R. (2007). Active Exploratory Q-Learning for Large Problems. IEEE International Conference on Systems, Man, and Cybernetics (SMC 2007), Montréal, QC, Canada, 4040-4045..
Jia, P., Kofman, J. and English, C. (2007). Real-Time Full-Field 3-D Surface-Shape Measurement Using Off-the-Shelf Components and a Single Processor. IEEE 6th International Conference on 3-D Digital Imaging and Modeling, August 2007, Montréal, QC, Canada, 382-389.
Biswas, A., Lemaire E.D. and Kofman J. (2007) Dynamic Gait Stability Index Based on Foot-Pressure Parameters and Fuzzy Logic, 30th Canadian Medical and Biological Engineering Conference, June, 2007, Toronto ON, Canada, (4 pages).
Pourmohammadali, H., Kofman, J. and Khajepour, A. (2007) Design of a Multiple-User Intelligent Feeding Robot for Elderly and Disabled People, 30th Canadian Medical and Biological Engineering Conference, June, 2007, Toronto ON, Canada, (4 pages).
Yakimovich, T., Lemaire, E.D. and Kofman, J. (2006). Gait Evaluation of a New Electromechanical Stance-Control Knee-Ankle-Foot Orthosis. IEEE Engineering in Medicine and Biology Society 28th Annual International Conference, New York, NY, USA, 5924-5927.
Lemaire, E.D., Biswas, A. and Kofman, J. (2006). Plantar Pressure Parameters for Dynamic Gait Stability Analysis. IEEE Engineering in Medicine and Biology Society 28th Annual International Conference, New York, NY, USA, 4465-4468.
Jia, P., Kofman, J. and English, C. (2006). Repeated Phase-Offset Measurement for Error Compensation in Two-Step Triangular Phase-Shifting Profilometry, in Optomechatronic Sensors, Instrumentation, and Computer-Vision Systems, Y. Takaya, J. Kofman, (Eds.) Proc International Society for Optical Engineering (SPIE) 6375, 63750D, 1-8.
Jia, P., Kofman, J. and English, C. (2006). Triangular Phase-Shifting Algorithms for Surface Measurement, in Optomechatronic Sensors, Instrumentation, and Computer-Vision Systems, Y. Takaya, J. Kofman, (Eds.) Proc International Society for Optical Engineering (SPIE) 6375, 63750C, 1-12.
* Yakimovich, T., Kofman, J., and Lemaire, E. (2005). Design, Construction and Evaluation of an Electromechanical Stance-Control Knee-Ankle-Foot Orthosis. IEEE Engineering in Medicine and Biology Society 27th Annual International Conference, Shanghai, China, 2333-2340.
Also published on pages: 6934–6941. (Regular paper and award winning paper)
Jia, P., Kofman, J., English, C. and Deslauriers, A. (2005). Two-Step Triangular Phase-Shifting Method for 3-D Object-Shape Measurement, Optomechatronic Sensors and Instrumentation, International Society for Optical Engineering (SPIE) International Symposium on Optomechatronic Technologies (ISOT 2005), Dec. 2005, Sapporo, Japan, Proc SPIE 6049, 141-150.
Jia, P., Kofman, J., English, C. and Deslauriers, A. (2005). Comparison of Linear and Non-linear Calibration Methods for Phase-Shifting Surface-Geometry Measurement. Optomechatronic Machine Vision, International Society for Optical Engineering (SPIE) International Symposium on Optomechatronic Technologies (ISOT 2005), Dec. 2005, Sapporo, Japan, Proc SPIE 6051, 60510G 1-12.
Verma, S., Kofman, J. and Wu, X. (2004). Application of Markerless Image-Based Arm Tracking
to Robot-Manipulator Teleoperation, Proc. IEEE 1st Canadian Conference on Computer and Robot Vision (CRV2004), London, ON, Canada, 201-208.
* Wu, X. and Kofman, J. (2004). Lens Distortion Calibration by Explicit Straight-Line to Distorted-Line Geometric Mapping, in Machine Vision and its Opto-mechatronic Applications, S. Kaneko, H. Cho, G.K. Knopf, R. Tutsch, (Eds.), Proc. Soc. Photo-Opt. Instr. Eng. (SPIE), 5603, 162-173.
Cocaud, C., Kofman, J. and Jnifene, A. (2004). Neural-Network Approach to Determine Operator Hand Orientation for Teleoperated Control of a Robot Manipulator, in Opto-Mechatronic Sensors, Actuators, and Control, K.S. Moon, (Ed.), Proc. Soc. Photo-Opt. Instr. Eng. (SPIE), 5602, 172-183.
Kofman, J., Verma, S., Wu, X. and Luu, T. (2003). Teleoperation of a Robot Manipulator from 3D Human Hand-Arm Motion, in Optomechatronic Systems IV, G.K. Knopf, (Ed.), Proc. Soc. Photo-Opt. Instr. Eng. (SPIE) 5264, 257-265.
Verma, S. and Kofman, J. (2003). Real-Time Estimation of 3D Human-Arm Motion from Markerless Images for Human-Machine Interaction, in Optomechatronic Systems IV, G.K. Knopf, (Ed.), Proc. Soc. Photo-Opt. Instr. Eng. (SPIE) 5264, 9-19.
Kofman, J., Luu, T. and Verma, S. (2003). A Vision-Based Human-Robot-Manipulator Interface. Fourth International Conference on Industrial Automation, Montréal, Québec, Canada, 4 pages.
Verma, S. and Kofman, J. (2003). Vision-Based Markerless Human-Arm Tracking. Fourth International Conference on Industrial Automation, Montréal, Québec, Canada, 4 pages.
Kofman J. and Xie W. (2003). Arm-Joint Position Estimation in Initialization of Markerless Hand-Arm Tracking. Fourth International Conference on Industrial Automation, Montréal, Québec, Canada, 4 pages.
Knopf, G.K., Sangole, A. and Kofman, J. (2002). Shape Measurement Using an Experimental Untracked Range Sensor, in Optomechatronic Systems III, T. Yoshizawa (Ed.), Proc. Soc. Photo-Opt. Instr. Eng. (SPIE) 4902, 42-51.
Kofman, J. and Knopf, G.K. (2001). Surface-Geometry Measurement Using an Untracked Range-Sensor Head, in Optomechatronic Systems, H. Cho and G.K. Knopf, (Eds.), Proc. Soc. Photo-Opt. Instr. Eng. (SPIE) 4190, 102-114.
* Knopf, G.K. and Kofman J. (1999). Free-Form Surface Reconstruction Using Bernstein Basis Function Networks, in Smart Engineering System Design: Neural Networks, Fuzzy Logic, Evolutionary Programming, Data Mining & Complex Systems, C.H. Dagli et al. (Eds.), ASME, 797-802.
Knopf, G.K. and Kofman, J. (1999). Multi-Sensor Fusion for Geometric Part Inspection,
in Sensors and Controls for Intelligent Machining II, P.E. Orban et al. (Eds.), Proc. Soc. Photo-Opt. Instr. Eng. (SPIE) 3832, 88-99.
Kofman, J. and Knopf, G.K. (1999). Point Correspondences Between Successive Range Views Using Localized Spin Images, in Intelligent Robots & Computer Vision XVIII: Algorithms, Techniques & Active Vision, D.P. Casasent, (Ed.), Proc SPIE 3837, 289-298.
* Knopf, G.K. and Kofman J. (1998). Range Sensor Calibration Using a Neural Network, in Smart Engineering Systems: Neural Networks, Fuzzy Logic, Evolutionary Programming, Data Mining and Rough Sets, C.H. Dagli et al. (Eds.), ASME, 491-496.
Kofman, J. and Knopf, G.K. (1998). Range Sensing by an Unconstrained and Continuously Moving Laser-Scanner Without Sensor-Head Pose Measurement. Proc. 2nd International Symp Intelligent Manufacturing Systems - IMS ‘98, Sakarya, Turkey, 783-793.
Kofman, J. and Knopf, G.K. (1998). Registration and Integration of Narrow and Spatiotemporally-Dense Range Views, in Vision Geometry VII, R.A. Melter et al. (Eds.), Proc. Soc. Photo-Opt. Instr. Eng. (SPIE) 3454, 99-109.
Knopf, G.K. and Kofman, J. (1996). Neural Network Mapping of Image-to-Object Coordinates for 3D Shape Reconstruction, in Intelligent Robots and Computer Vision XV: Algorithms, Techniques, Active Vision and Materials Handling, D.P. Casasent, (Ed.), Proc. Soc. Photo-Opt. Instr. Eng. (SPIE) 2904, 129-137.
Kofman, J., Öberg, K., Karlsson, A., Lindström, B. (1990). Computer-Aided-Design and Manufacturing of Prosthetic Sockets From Stump Shape Data: Clinical Experience, in Advances In External Control of Human Extremities X, D.B. Popovic, (Ed.), NAUKA, Belgrade, 475-481.
Allard, P., Kofman, J., Labelle, H., Drouin, G. and Duhaime, M. (1987). Application of an Arched-Cantilever Beam Model to a Flat-Spring Foot Prosthesis. 9th Annual Meeting of the Engineering in Medicine and Biology Society, Boston, Mass., U.S.A.
Babaei, A., Saadatseresht, M. and Kofman, J. (2018). Multi-Ray Exponential Fringe-Pattern Projection for 3D Surface Measurement with Off-the-Shelf Hardware. 19th International Symposium on Optomechatronic Technology (ISOT) 2018, Cancún, México, Nov. 5-7, 2018.
Mohammadi, F. and Kofman, J. (2016). Temporal Phase Unwrapping in Digital Moiré. International Symposium on Optomechatronic Technologies (ISOT) 2016, Nov 2016, Tokyo, Japan, B6-3:1-2.
Lemaire, E., Samadi, R., Goudreau, L., Kofman, J. (2011) Preliminary Evaluation of a Linear Hydraulic Angular-Velocity Control Knee Ankle-Foot Orthosis. 6th ISPO Central European Conference, Nyíregyháza, August 2011, Hungary, In: Rehabilitáció, 21, 163.
Lemaire, E.D., Kendell, C., Kofman, J. and Dudek, N. (2010). Dynamic Stability Comparisons between Transfemoral and Transtibial Prosthetic Gait. 17th Biennial Canadian Association for Prosthetics and Orthotics (CAPO) Conference, Québec, QC, Canada.
Lemaire, E.D., Samadi, R. and Kofman, J. (2010). A New Design of an Angular-Velocity-Triggered Stance-Control Orthosis. 17th Biennial Canadian Association for Prosthetics and Orthotics (CAPO) Conference, Québec, QC, Canada.
Kendell, C., Lemaire, E.D., Kofman, J and Dudek, N. (2010). Stability Parameters: Intact and Prosthetic Limbs. 13th World Congress of the International Society for Prosthetics and Orthotics (ISPO), Leipzig, Germany, May, 2010.
Kendell C., Lemaire E.D. and Kofman J. (2010). Range of Acceleration as an Indicator of Stability for Transtibial-Prosthesis Users. 13th World Congress of the International Society for Prosthetics and Orthotics (ISPO), Leipzig, Germany, May, 2010.
Samadi, R., Lemaire, E.D., Goudreau, L. and Kofman, J. (2010). Load Evaluation of a Hydraulic Stance-Control Knee Orthosis. 13th World Congress of the International Society for Prosthetics and Orthotics (ISPO), Leipzig, Germany, May, 2010.
Yakimovich, T., Lemaire, E.D. and Kofman, J. (2007). Refinement of a Stance-Control Knee-Ankle-Foot Orthosis Design, 12th World Congress of the International Society for Prosthetics and Orthotics, Vancouver, BC, Canada, July, 2007.
Kofman, J., Miller, D.I., Knopf, G.K. and Zecevic A. (1998). Calibration and Measurement Accuracy of a Stereophotogrammetric System Using the Direct Linear Transformation. 3rd North American Congress on Biomechanics (NACOB 98) – Joint American Society Biomechanics & Canadian Soc Biomechanics, Waterloo, ON, Canada, 187-188.
Kofman, J., Sheil, E., Slack, M., Naumann, S., Lee, M., Wedge, J., and Belbin, G. (1994). Strain and Deformation in Ankle-Foot-Orthoses During Gait. Second World Congress of Biomechanics, Amsterdam, The Netherlands.
Ryan, S., Rigby, P., From, W. and Kofman, J. (1993). Toward Obtaining Useful Consumer Feedback From Young Children With Disabilities. Rehab Engineering & Assistive Technology Soc North America - RESNA Intl 93, Las Vegas, Nevada, USA.
Kofman, J., Öberg, K., Karlsson, A. and Lindström, B. (1992). Comparison of Camera-Parameter Dependent and Independent Methods of Optical Scanner Calibration and 3-D Stump-Shape Reconstruction. International Society for Prosthetics and Orthotics, VII World Congress, Chicago, Illinois, USA, 152.
Kofman, J., Lindström, B., Karlsson, A. and Öberg, K. (1991). Optical Scanner Calibration by Object-Image Planar Mapping and 3-D Object-Shape Reconstruction Accuracy. 15th Annual Meeting of the American Society of Biomechanics, Tempe, Arizona, USA, 258-259.
Kofman, J., Öberg, K., Karlsson, A. and Lindström, B. (1990). Computer-Aided-Design and Manufacturing of Prosthetic Sockets From Stump Shape Data: Clinical Experience. Tenth International Symposium on External Control of Human Extremities, Dubrovnik, Croatia, Yugoslavia.
Kofman, J., Öberg, K., Karlsson, A. and Lindström, B. (1989). A Single-Camera Laser Scanner for Stump-Shape Sensing. International Society for Prosthetics and Orthotics, VI World Congress, Kobe, Japan, 224.
Öberg, K., Kofman, J., Karlsson, A. and Lindström, B. (1989). The CAPOD System - CAD/CAM for Prosthetics. International Society for Prosthetics and Orthotics, VI World Congress, Kobe, Japan, 232.
Öberg, K., Kofman, J., Karlsson, A. and Lindström, B. (1989). Preliminary Clinical Results of BK-Amputee Prosthetic Fitting Using the Scandinavian CAD/CAM System. International Society for Prosthetics and Orthotics, VI World Congress, Kobe, Japan, 223.
Öberg, K., Kofman, J., Karlsson, A. and Lindström, B. (1989). A Scandinavian System for Computer-Aided-Design and Manufacturing of Below-Knee Prosthetic Sockets. Annual Meeting of the Swedish Orthopedic Society, Sundsvall, Sweden, 71.
Allard, P., Labelle, H., Drouin, G., Duhaime, M. and Kofman, J. (1988). Design of a Flat-Spring Foot Prosthesis for Children and Preliminary Evaluation. 23rd Annual Meeting of the Canadian Orthopaedic Research Society, Ottawa, Ontario, Canada.
Allard, P., Kofman, J., Labelle, H., Lévesque, C. and Duhaime, M. (1988). Preliminary Evaluation of an Optimally Designed Flat-Spring Foot Prosthesis for Children. Congress Orthopädie & Reha-Technik 1988 International, Nuremberg, West Germany.
Kofman, J., Allard, P., Drouin, G. and Labelle, H. (1987). Use of an Arched Cantilever Beam Model to Simulate Deflection of a Flat Spring Foot Prosthesis During Gait. XIth International Congress of Biomechanics, Amsterdam, The Netherlands, 166.
Kofman, J., Allard, P., Drouin, G., Labelle, H. and Duhaime, M. (1987). Deflection Analysis of an Optimized Design of a Flat-Spring Foot Prosthesis. 11th Annual Meeting of the American Society of Biomechanics, Davis, California, U.S.A., 33-34.
Kofman, J., Allard, P., Drouin, G. and Labelle, H. (1986). Use of Kinematic and Kinetic Gait Simulation in the Design of a Flexible Prosthetic Foot for Child Amputees. International Conference - 'Trends in Human Biomechanics Research and Applications in Medicine and Surgery', Riga, Latvian SSR, USSR.
Kofman, J., Allard, P., Sibille, J., Duhaime, M. and Vanasse, M. (1984). A Spring- Loaded Knee-Ankle Orthosis in the Management of Duchenne Muscular Dystrophy Patients. Second International Conference on Rehabilitation Engineering, Ottawa, Ontario, Canada, 255-256.
Kofman, J., Allard, P., Duhaime, M. and Vanasse, M. (1984). A New Dynamic Knee- Ankle Orthosis in the Management of Duchenne Muscular Dystrophy Patients. Canadian Physiotherapy Association Annual Congress, Ottawa, Ontario, Canada.
Allard, P., Duhaime, M., Kofman, J. and Vanasse, M. (1984). A New Spring-Loaded Knee Joint Orthosis for Duchenne Muscular Dystrophy Patients. 18th Annual Meeting of the Canadian Orthopaedic Research Society, Winnipeg, Manitoba, Canada.
Kofman, J., Liu, X., Wan, Y., and Tao, T. (2019). Real-Time 3D Surface-Shape Measurement for Moving and Deforming Surfaces, International Symposium on Optomechatronic Technology (ISOT), Goa, India, Nov. 11–13, 2019.
Kofman, J. and Liu, X. (2019). Innovations in Structured Light Methods and Optical Metrology, in Optical Technology and Measurement for Industrial Applications, Optics and Photonics International Congress, Yokohama, Japan, April 23–26, 2019. Proc. Soc. Photo-Opt. Instr. Eng (SPIE) 11142, 31-32.
Liu, X. and Kofman, J. (2018). Real-Time 3D Measurement using Background-Modulated Modified Fourier Transform Profilometry. 19th International Symposium on Optomechatronic Technology (ISOT), Cancún, México, Nov. 5-7, 2018.
Babaei, A., Saadatseresht, M. and Kofman, J. (2017). Gamma Correction using Exponential Fringe Patterns for 3D Surface-Shape Measurement. International Symposium on Optomechatronic Technology (ISOT) 2017, Nov 6-8 2017, Tainan, Taiwan, PB-1:1-2.
Kofman, J. and Mohammadi, F. (2016). New Approaches in Digital Moiré. International Conference on Digital Optical and Imaging Methods Applied to Mechanical Engineering. May 8-13, 2016, Ascona, Switzerland, 10-13.
Samadi, R., Lemaire, E.D., Goudreau, L., and Kofman, J. (2011). Hydraulic Safety Knee. International Society for Prosthetics and Orthotics (ISPO) Canada Symposium: Innovations in Prosthetics and Orthotics, September 2011, Ottawa, ON, Canada.
Spring, A., Lemaire, E.D., and Kofman, J. (2011). Design and Evaluation of a Knee Extension Assist for Sit-Stand Movement. International Society for Prosthetics and Orthotics (ISPO) Canada Symposium: Innovations in Prosthetics and Orthotics, September 2011, Ottawa, ON, Canada.
Lemaire, E.D., Samadi, R., Goudreau, L., and Kofman, J. (2009). A Velocity-Triggered Stance Control Knee Orthosis. International Society for Prosthetics and Orthotics (ISPO) Canada Symposium, October 2009, Toronto, ON, Canada.
Kofman, J. (2007). Three-Dimensional (3D) Scanning Technologies and Biometrics. 4th Conference on Technologies for Border Security, Defense and Commerce (COMDEF 2007), Tucson, AZ, USA.
Kofman, J. (2007). Robotics in Prosthetics and Orthotics. Symposium on Robotics in Prosthetics and Orthotics, International Society for Prosthetics and Orthotics (ISPO) 12th World Congress, July-August 2007, Vancouver, BC, Canada.
Lemaire, E.D., Kofman, J. and Yakimovich, T. (2006). Electromechanical Approach for Stance Control Knee Ankle Foot Orthoses. Prosthetics Orthotics Academy in Osaka: 13th Scientific Meeting of the Japanese Academy of Prosthetists and Orthotists, Osaka, Japan.
Yakimovich, T., Lemaire, E. and Kofman, J. (2005). A New Stance Control KAFO Design. International Society for Prosthetics and Orthotics – Canada Symposium 2005, Toronto, Ontario, Canada.
Yakimovich, T., Lemaire, E. and Kofman, J. (2003). Engineering Aspects for Stance-Control Knee-Ankle-Foot Orthoses. International Society for Prosthetics and Orthotics – Canada Symposium 2003, Toronto, Ontario, Canada.
Öberg, K. and Kofman, J. (1990). The CAPOD CAD/CAM System for Prosthetic Sockets. Canadian National Society of Prosthetics and Orthotics Symposium, Winnipeg, Manitoba, Canada.
Öberg, K. and Kofman, J. (1990). CAD/CAM Applications in Prosthetics, Orthotics, and Footwear. Canadian National Society of Prosthetics and Orthotics Symposium, Winnipeg, Manitoba, Canada.
Kofman, J., Allard, P., Lévesque, C., Drouin, G., Labelle, H. and Duhaime, M. (1989). A New Generation of Prosthetic Feet - Flat-Spring and Energy-Storing. International Society for Prosthetics and Orthotics, VI World Congress, Kobe, Japan.
Allard, P., Kofman, J., Drouin, G., Labelle, H. and Duhaime, M. (1988). Application of Gait Analysis and CAD Techniques in the Design of a Prosthetic Foot for Young Amputees. Fifth Biennial Conference of the Canadian Society for Biomechanics and Symposium on Human Locomotion, Ottawa, Ontario, Canada.
Kofman, J., Allard, P., Duhaime, M., Labelle, H. and Vanasse, M. (1985). A Functional Knee Joint Orthosis for Duchenne Muscular Dystrophy Patients. Orthopädie & Rehatechnik 85 – International Conference, Essen, West Germany.
Kofman, J., Lindström, B., Karlsson, A. and Öberg, K. (1992). Optical Scanner Calibration by Object-Image Planar Mapping and 3-D Object-Shape Reconstruction Accuracy. Journal of Biomechanics. 25, 683.
Öberg, K., Kofman, J., Karlsson, A. and Lindström, B. (1989). A Scandinavian System for Computer-Aided-Design and Manufacturing of Below-Knee Prosthetic Sockets. Acta Orthopaedica Scandinavica, 60, Suppl. 231, 49.
Kofman, J., Allard, P., Drouin, G., Labelle, H. and Duhaime, M. (1987). Analyse du comportement durant la démarche d'un pied prothétique conçu à l'aide d'optimisation. L'Union Médicale du Canada.
Kofman, J., Allard, P., Drouin, G., Labelle, H. and Duhaime, M. (1987). Deflection Analysis of an Optimized Design of a Flat-Spring Foot Prosthesis. Journal of Biomechanics, 20, 892.
Kofman, J., Allard, P., Drouin, G. and Labelle, H. (1986). Application de la simulation de la démarche dans la conception d'un nouveau pied prothétique pour les jeunes amputés. L'Union Médicale du Canada, 115, 602.
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