Tactile Recognition by Probing: Identifying a Polygon on a Plane. - Randy E. Ellis; Edward M. Riseman; Allen R. Hanson (AAAI, 1986)

A multiple-scale measure of static tactile texture. - Randy E. Ellis (ICRA, 1986)

Acquiring tactile data for the recognition of planar objects. - Randy E. Ellis (ICRA, 1987)

Uncertainty estimates for polyhedral object recognition. - Randy E. Ellis (ICRA, 1989)

Dynamics identification and control of a teleoperational system. - D. T. Pawluk; Randy E. Ellis (ICRA, 1991)

Geometric uncertainties in polyhedral object recognition. - Randy E. Ellis (IEEE Trans. Robotics Autom., 1991)

Numerical stability of forward-dynamics algorithms. - Randy E. Ellis; O. M. Ismaeil; I. H. Carmichael (ICRA, 1992)

Two numerical issues in simulating constrained dynamics. - Randy E. Ellis; S. Laurie Ricker (ICRA, 1992)

2-D Finite-Element Models Of Tactile Sensors. - S. Laurie Ricker; Randy E. Ellis (ICRA (1), 1993)

Teleoperated Sensing by Grasping: Robot Sensors and Human Psychophysics. - S. R. Ganeshan; Randy E. Ellis; Susan J. Lederman (ISER, 1993)

Singular-Value and Finite-Element Analysis of Tactile Shape Recognition. - Randy E. Ellis; M. Qin (ICRA, 1994)

Grasping Using the Whole Finger. - O. M. Ismaeil; Randy E. Ellis (ICRA, 1994)

A tactile sensor based on thin-plate deformation. - Randy E. Ellis; S. R. Ganeshan; Susan J. Lederman (Robotica, 1994)

Two Numerical Issues in Simulating Constrained Robot Dynamics. - Randy E. Ellis; S. Laurie Ricker (IEEE Trans. Syst. Man Cybern. Syst., 1994)

Design and evaluation of a high-performance haptic interface. - Randy E. Ellis; O. M. Ismaeil; M. G. Lipsett (Robotica, 1996)

A method for evalutating CT-based surgical registration. - Randy E. Ellis; David J. Fleet; J. Tim Bryant; John F. Rudan; P. Fenton (CVRMed, 1997)

Interactive Visual and Force Rendering of Human-Knee Dynamics. - Randy E. Ellis; P. Zion; C. Y. Tso (ISER, 1997)

A Surgical Planning and Guidance System for High Tibial Osteotomies. - C. Y. Tso; Randy E. Ellis; John F. Rudan; M. M. Harrison (MICCAI, 1998)

Live-constraint-based control for contact transitions. - Nilanjan Sarkar; Xiaoping Yun; Randy E. Ellis (IEEE Trans. Robotics Autom., 1998)

Spotlights: A Robust Method for Surface-Based Registration in Orthopedic Surgery. - Burton Ma; Randy E. Ellis; David J. Fleet (MICCAI, 1999)

An Eigenscrew Analysis of Mechanism Compliance. - P. L. McAllister; Randy E. Ellis (ICRA, 2000)

A Strain-Energy Model of Passive Knee Kinematics for the Study of Surgical Implantation Strategies. - E. Chen; Randy E. Ellis; J. Tim Bryant (MICCAI, 2000)

Fixation-Based Surgery: A New Technique for Distal Radius Osteotomy. - H. Croitoru; Randy E. Ellis; Carolyn F. Small; David R. Pichora (MICCAI, 2000)

Fiducial Registration from a Single X-Ray Image: A New Technique for Fluoroscopic Guidance and Radiotherapy. - Thomas S. Y. Tang; Randy E. Ellis; Gabor Fichtinger (MICCAI, 2000)

Minimally Invasive Excision of Deep Bone Tumors. - Randy E. Ellis; D. Kerr; John F. Rudan; L. Davidson (MICCAI, 2001)

A computational model of postoperative knee kinematics. - E. Chen; Randy E. Ellis; J. Tim Bryant; John F. Rudan (Medical Image Anal., 2001)

Computer-Assisted Correction of Bone Deformities Using A 6-DOF Parallel Spatial Mechanism. - O. Iyun; Dan P. Borschneck; Randy E. Ellis (MICCAI (1), 2002)

Affine Transformations and Atlases: Assessing a New Navigation Tool for Knee Arthroplasty. - Burton Ma; John F. Rudan; Randy E. Ellis (MICCAI (1), 2002)

Two Bone Fragment Manipulation in Computer-Assisted Preoperative Planning: Restoration of the Radial Bow. - G. S. Athwal; S. Leclaire; Randy E. Ellis; David R. Pichora (MICCAI (2), 2003)

A Spatial-Stiffness Analysis of Fiducial Registration Accuracy. - Burton Ma; Randy E. Ellis (MICCAI (1), 2003)

Computer Assisted Alignment of the Oxford Unicompartmental Knee Arthroplasty: The Kingston Experience with Three Techniques. - D. J. Mayman; John F. Rudan; David R. Pichora; D. Watson; Randy E. Ellis (MICCAI (2), 2003)

Accuracy of a Fluoroscopy Technique for Assessing Patellar Tracking. - Thomas S. Y. Tang; N. J. MacIntyre; H. S. Gill; R. A. Fellows; N. A. Hill; D. R. Wilson; Randy E. Ellis (MICCAI (1), 2003)

Robust registration for computer-integrated orthopedic surgery: Laboratory validation and clinical experience. - Burton Ma; Randy E. Ellis (Medical Image Anal., 2003)

Wrist Kinematics from Computed Tomography Data. - Maarten Beek; Carolyn F. Small; Steve Csongvay; Richard W. Sellens; Randy E. Ellis; David R. Pichora (MICCAI (2), 2004)

Surface-Based Registration with a Particle Filter. - Burton Ma; Randy E. Ellis (MICCAI (1), 2004)

Spatial-Stiffness Analysis of Surface-Based Registration. - Burton Ma; Randy E. Ellis (MICCAI (1), 2004)

Hardware-Assisted 2D/3D Intensity-Based Registration for Assessing Patellar Tracking. - Thomas S. Y. Tang; N. J. MacIntyre; H. S. Gill; R. A. Fellows; N. A. Hill; D. R. Wilson; Randy E. Ellis (MICCAI (2), 2004)

A Tactile Magnification Instrument for Minimally Invasive Surgery. - Hsin-Yun Yao; Vincent Hayward; Randy E. Ellis (MICCAI (2), 2004)

Editorial. - Randy E. Ellis; Terry M. Peters (Medical Image Anal., 2004)

Accurate assessment of patellar tracking using fiducial and intensity-based fluoroscopic techniques. - Thomas S. Y. Tang; N. J. MacIntyre; H. S. Gill; R. A. Fellows; N. A. Hill; D. R. Wilson; Randy E. Ellis (Medical Image Anal., 2004)

Ligament Strains Predict Knee Motion After Total Joint Replacement. - Elvis C. S. Chen; Joel L. Lanovaz; Randy E. Ellis (MICCAI, 2005)

Experimental Validation of a 3D Dynamic Finite-Element Model of a Total Knee Replacement. - Joel L. Lanovaz; Randy E. Ellis (MICCAI, 2005)

Unified Point Selection and Surface-Based Registration Using a Particle Filter. - Burton Ma; Randy E. Ellis (MICCAI, 2005)

Computer-Assisted Deformity Correction Using the Ilizarov Method. - Amber L. Simpson; Burton Ma; Dan P. Borschneck; Randy E. Ellis (MICCAI, 2005)

Kinematic Geometry of Osteotomies. - Erin Janine Smith; J. Tim Bryant; Randy E. Ellis (MICCAI, 2005)

2D/3D Deformable Registration Using a Hybrid Atlas. - Thomas S. Y. Tang; Randy E. Ellis (MICCAI (2), 2005)

An Estimation/Correction Algorithm for Detecting Bone Edges in CT Images. - Weiguang Yao; Purang Abolmaesumi; Michael A. Greenspan; Randy E. Ellis (IEEE Trans. Medical Imaging, 2005)

Validation and Improved Registration of Bone Segmentation Using Contour Coherency. - Michael A. Greenspan; Liping Ingrid Wang; Randy E. Ellis (EMBC, 2006)

Automated 3D Freehand Ultrasound Calibration with Real-Time Accuracy Control. - Thomas Kuiran Chen; Purang Abolmaesumi; Adrian D. Thurston; Randy E. Ellis (MICCAI (1), 2006)

An Inverse Kinematics Model For Post-operative Knee. - Elvis C. S. Chen; Randy E. Ellis (MICCAI (1), 2006)

Towards Scarless Surgery: An Endoscopic-Ultrasound Navigation System for Transgastric Access Procedures. - Raúl San José Estépar; Nicholas Stylopoulos; Randy E. Ellis; Eigil Samset; Carl-Fredrik Westin; Christopher C. Thompson; Kirby G. Vosburgh (MICCAI (1), 2006)

Analytic Expressions for Fiducial and Surface Target Registration Error. - Burton Ma; Randy E. Ellis (MICCAI (2), 2006)

Using Registration Uncertainty Visualization in a User Study of a Simple Surgical Task. - Amber L. Simpson; Burton Ma; Elvis C. S. Chen; Randy E. Ellis; A. James Stewart (MICCAI (2), 2006)

Validation of bone segmentation and improved 3-D registration using contour coherency in CT data. - Liping Ingrid Wang; Michael A. Greenspan; Randy E. Ellis (IEEE Trans. Medical Imaging, 2006)

Enhancing Depth Perception in Translucent Volumes. - Marta Kersten; James Stewart; Nikolaus F. Troje; Randy E. Ellis (IEEE Trans. Vis. Comput. Graph., 2006)

On Fiducial Target Registration Error in the Presence of Anisotropic Noise. - Burton Ma; Mehdi Hedjazi Moghari; Randy E. Ellis; Purang Abolmaesumi (MICCAI (2), 2007)

Proof of Concept of a Simple Computer-Assisted Technique for Correcting Bone Deformities. - Burton Ma; Amber L. Simpson; Randy E. Ellis (MICCAI (2), 2007)

Quantification of Edematic Effects in Prostate Brachytherapy Interventions. - Mohamed S. Hefny; Purang Abolmaesumi; Zahra Karimaghaloo; David G. Gobbi; Randy E. Ellis; Gabor Fichtinger (MICCAI (2), 2008)

A real-time ultrasound calibration system with automatic accuracy control and incorporation of ultrasound section thickness. - Thomas Kuiran Chen; Adrian D. Thurston; Mehdi Hedjazi Moghari; Randy E. Ellis; Purang Abolmaesumi (Image-Guided Procedures, 2008)

Validation of a new surgical procedure for percutaneous scaphoid fixation using intra-operative ultrasound. - Maarten Beek; Purang Abolmaesumi; Suriya Luenam; Randy E. Ellis; Richard W. Sellens; David R. Pichora (Medical Image Anal., 2008)

Wavelet-based variational deformable registration for ultrasound. - Mohamed S. Hefny; Randy E. Ellis (ISBI, 2010)

Calibration and Use of Intraoperative Cone-Beam Computed Tomography: An In-Vitro Study for Wrist Fracture. - Erin Janine Smith; Anton Oentoro; Hisham Al-Sanawi; Braden Gammon; Paul St. John; David R. Pichora; Randy E. Ellis (MICCAI (3), 2010)

Representing flexible endoscope shapes with hermite splines. - Elvis C. S. Chen; Sharyle A. Fowler; Lawrence C. Hookey; Randy E. Ellis (Image-Guided Procedures, 2010)

High-accuracy registration of intraoperative CT imaging. - Anton Oentoro; Randy E. Ellis (Image-Guided Procedures, 2010)

Estimation of Optimal Fiducial Target Registration Error in the Presence of Heteroscedastic Noise. - Burton Ma; Mehdi Hedjazi Moghari; Randy E. Ellis; Purang Abolmaesumi (IEEE Trans. Medical Imaging, 2010)

Uncertainty propagation and analysis of image-guided surgery. - Amber L. Simpson; Burton Ma; Randy E. Ellis; A. James Stewart; Michael I. Miga (Image-Guided Procedures, 2011)

Validation of visual surface measurement using computed tomography. - Amy M. VanBerlo; Aaron R. Campbell; Randy E. Ellis (Image-Guided Procedures, 2011)

On the Use of Laser Scans to Validate Reverse Engineering of Bony Anatomy. - Joseph B. Anstey; Erin Janine Smith; Brian Rasquinha; John F. Rudan; Randy E. Ellis (MMVR, 2011)

Registration Stability of Physical Templates in Hip Surgery. - Manuela Kunz; John F. Rudan; Gavin C. A. Wood; Randy E. Ellis (MMVR, 2011)

Computed Tomography as Ground Truth for Stereo Vision Measurements of Skin. - Amy M. Vanberlo; Aaron R. Campbell; Randy E. Ellis (MMVR, 2011)

Articular surface remodeling of the hip after periacetabular osteotomy. - Brian Rasquinha; Junaid Sayani; John F. Rudan; Gavin C. A. Wood; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2012)

Volume slicing of cone-beam computed tomography images for navigation of percutaneous scaphoid fixation. - Erin Janine Smith; Hisham Al-Sanawi; Braden Gammon; Paul St. John; David R. Pichora; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2012)

Analyzing shoulder translation with navigation technology. - Sima Zakani; Gabriel Venne; Erin Janine Smith; R. Bicknell; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2012)

A statistical shape model of femoral head-neck cross sections using principal tangent components. - Mohamed S. Hefny; Randy E. Ellis (ISBI, 2013)

The Aspherical Human Hip: Implication for Early Osteoarthritis. - Mohamed S. Hefny; Andrew W. L. Dickinson; Andrew E. Giles; Gavin C. A. Wood; Randy E. Ellis (MMVR, 2013)

Overall Wrist Biomechanics Are Conserved by Phenol-Based Embalming. - Andrew W. L. Dickinson; Craig B. Casier; Richard W. Sellens; David R. Pichora; Randy E. Ellis (MMVR, 2014)

A Matrix Lie Group Approach to Statistical Shape Analysis of Bones. - Mohamed S. Hefny; John F. Rudan; Randy E. Ellis (MMVR, 2014)

A laboratory comparison of computer navigation and individualized guides for distal radius osteotomy. - Burton Ma; Manuela Kunz; Braden Gammon; Randy E. Ellis; David R. Pichora (Int. J. Comput. Assist. Radiol. Surg., 2014)

Investigating the performance of a wrist stabilization device for image-guided percutaneous scaphoid fixation. - Erin Janine Smith; Gregory Allan; Braden Gammon; Richard W. Sellens; Randy E. Ellis; David R. Pichora (Int. J. Comput. Assist. Radiol. Surg., 2014)

A Liver Atlas Using the Special Euclidean Group. - Mohamed S. Hefny; Toshiyuki Okada; Masatoshi Hori; Yoshinobu Sato; Randy E. Ellis (MICCAI (2), 2015)

Crossing-Lines Registration for Direct Electromagnetic Navigation. - Brian J. Rasquinha; Andrew W. L. Dickinson; Gabriel Venne; David R. Pichora; Randy E. Ellis (MICCAI (2), 2015)

Computer-assisted hip resurfacing planning using Lie group shape models. - Mohamed S. Hefny; John F. Rudan; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2015)

The influence of osteophyte depiction in CT for patient-specific guided hip resurfacing procedures. - Manuela Kunz; S. Balaketheeswaran; Randy E. Ellis; John F. Rudan (Int. J. Comput. Assist. Radiol. Surg., 2015)

Electromagnetic tracking in surgical and interventional environments: usability study. - Elodie Lugez; Hossein Sadjadi; David R. Pichora; Randy E. Ellis; Selim G. Akl; Gabor Fichtinger (Int. J. Comput. Assist. Radiol. Surg., 2015)

Personalized Guides for Registration in Surgical Navigation. - Andrew W. L. Dickinson; Brian J. Rasquinha; John F. Rudan; Randy E. Ellis (MMVR, 2016)

A Toroidal Probe for Measuring Surgically Exposed Joint Centers. - Brian J. Rasquinha; Kate S. M. Loe; Andrew W. L. Dickinson; John F. Rudan; Randy E. Ellis (MMVR, 2016)

Calibration of mobile-gantry computed tomography for surgical navigation. - Anna Belkova; David R. Pichora; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2016)

Intraoperative application of hand-held structured light scanning: a feasibility study. - Brandon Chan; Jason Auyeung; John F. Rudan; Randy E. Ellis; Manuela Kunz (Int. J. Comput. Assist. Radiol. Surg., 2016)

Electromagnetically tracked personalized templates for surgical navigation. - Andrew W. L. Dickinson; Michelle L. Zec; David R. Pichora; Brian J. Rasquinha; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2017)

Principal components of wrist circumduction from electromagnetic surgical tracking. - Brian J. Rasquinha; Michael J. Rainbow; Michelle L. Zec; David R. Pichora; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2017)

Translatory hip kinematics measured with optoelectronic surgical navigation. - Sima Zakani; John F. Rudan; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2017)

Deformable multimodal registration for navigation in beating-heart cardiac surgery. - Jacob J. Peoples; Gianluigi Bisleri; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2019)

A Generalizable Framework for Domain-Specific Nonrigid Registration: Application to Cardiac Ultrasound. - Jacob J. Peoples; Randy E. Ellis (ISBI, 2020)

Composition of Transformations in the Registration of Sets of Points or Oriented Points. - Jacob J. Peoples; Randy E. Ellis (ShapeMI@MICCAI, 2020)

Metabolomics patterns of breast cancer tumors using mass spectrometry imaging. - Rachel L. Theriault; Martin Kaufmann; Kevin Yi Mi Ren; Sonal Varma; Randy E. Ellis (Int. J. Comput. Assist. Radiol. Surg., 2021)

Efficient automatic 2D/3D registration of cardiac ultrasound and CT images. - Katy Scott; Duncan Stuart; Jacob J. Peoples; Gianluigi Bisleri; Randy E. Ellis (Comput. methods Biomech. Biomed. Eng. Imaging Vis., 2021)