Sudanthi Wijewickrema

Street Sign Recognition Using Histogram of Oriented Gradients and Artificial Neural Networks

Kh Tohidul Islam, Sudanthi Wijewickrema, Ram Gopal Raj, Stephen O'Leary

Journal article  |  2019  |  Journal of Imaging

A rotation and translation invariant method for 3D organ image classification using deep convolutional neural networks

Kh Tohidul Islam, Sudanthi Wijewickrema, Stephen O'Leary

Journal article  |  2019  |  PeerJ Computer Science

The Effect of Practice Distribution on Skill Retention in Virtual Reality Temporal Bone Surgery Training

Cassandra Williams, Sudanthi Wijewickrema, Patorn Piromchai, Stephen O'Leary

Conference Proceedings  |  2019  |  2019 IEEE 32nd International Symposium on Computer-Based Medical Systems (CBMS)

The importance of automated real-time performance feedback in virtual reality temporal bone surgery training

M Davaris, S Wijewickrema, Y Zhou, P Piromchai, J Bailey, G Kennedy, S O’Leary

Conference Proceedings  |  2019  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

© Springer Nature Switzerland AG 2019. Virtual reality (VR) is increasingly being used as a training platform in many fields inclu..

Identifying Diabetic Retinopathy from OCT Images using Deep Transfer Learning with Artificial Neural Networks

Kh Tohidul Islam, Sudanthi Wijewickrema, Stephen O'Leary

Conference Proceedings  |  2019  |  2019 IEEE 32nd International Symposium on Computer-Based Medical Systems (CBMS)

Development and Validation of a Virtual Reality Tutor to Teach Clinically Oriented Surgical Anatomy of the Ear

S Wijewickrema, B Copson, X Ma, R Briggs, J Bailey, G Kennedy, S Oleary

Conference Proceedings  |  2018  |  2018 IEEE 31st International Symposium on Computer-Based Medical Systems (CBMS)

© 2018 IEEE. Virtual reality (VR) is being increasingly used in medical education. However, investigations into its effectiveness ..

Dimensionality-Driven Learning with Noisy Labels

X Ma, Yisen Wang, Michael E Houle, Shuo Zhou, Sarah M Erfani, Shu-tao Xia, Sudanthi Wijewickrema, James Bailey

Conference Proceedings  |  2018  |  35th International Conference on Machine Learning, ICML 2018

Datasets with significant proportions of noisy (incorrect) class labels present challenges for training accurate Deep Neural Netwo..

Characterizing Adversarial Subspaces Using Local Intrinsic Dimensionality

X Ma, Bo Li, Yisen Wang, Sarah M. Erfani, Sudanthi Wijewickrema, Grant Schoenebeck, Dawn Song, Michael E Houle, james Bailey

Conference Proceedings  |  2018  |  6th International Conference on Learning Representations, ICLR 2018 - Conference Track Proceedings

Deep Neural Networks (DNNs) have recently been shown to be vulnerable against adversarial examples, which are carefully crafted in..

Presentation of automated procedural guidance in surgical simulation: results of two randomised controlled trials.

S Wijewickrema, Y Zhou, I Ioannou, B Copson, P Piromchai, C Yu, R Briggs, J Bailey, G Kennedy, S O'Leary

Journal article  |  2018  |  The Journal of Laryngology & Otology

OBJECTIVE: To investigate the effectiveness and usability of automated procedural guidance during virtual temporal bone surgery. M..

Do experts practice what they profess?

Yun Zhou, Sudanthi Wijewickrema, Ioanna Ioannou, James Bailey, Gregor Kennedy, Debra Nestel, Stephen O'Leary

Journal article  |  2018  |  PLOS ONE

Road Trail Classification Using Color Images for Autonomous Vehicle Navigation

Kh Tohidul Islam, Sudanthi Wijewickrema, Masud Pervez, Stephen O'Leary

Conference Proceedings  |  2018  |  2018 Digital Image Computing: Techniques and Applications (DICTA)

An Exploration of Deep Transfer Learning for Food Image Classification

Kh Tohidul Islam, Sudanthi Wijewickrema, Masud Pervez, Stephen O'Leary

Conference Proceedings  |  2018  |  2018 Digital Image Computing: Techniques and Applications (DICTA)

Providing automated real-time technical feedback for virtual reality based surgical training: Is the simpler the better?

S Wijewickrema, X Ma, P Piromchai, R Briggs, J Bailey, G Kennedy, S O Leary

Conference Proceedings  |  2018  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

© Springer International Publishing AG, part of Springer Nature 2018. In surgery, where mistakes have the potential for dire conse..

Defining the Hook Region Anatomy of the Guinea Pig Cochlea for Modeling of Inner Ear Surgery

Jonathon Lo, Phillip Sale, Sudanthi Wijewickrema, Luke Campbell, Hayden Eastwood, Stephen John O'leary

Journal article  |  2017  |  Otology & Neurotology

Comparison of Experts and Residents Performing a Complex Procedure in a Temporal Bone Surgery Simulator

Ioanna Ioannou, Yun Zhou, Sudanthi Wijewickrema, Patorn Piromchai, Bridget Copson, Gregor Kennedy, Stephen O'Leary

Journal article  |  2017  |  Otology & Neurotology

Supporting skill acquisition in cochlear implant surgery through virtual reality simulation.

Bridget Copson, Sudanthi Wijewickrema, Yun Zhou, Patorn Piromchai, Robert Briggs, James Bailey, Gregor Kennedy, Stephen O'Leary

Journal article  |  2017  |  Cochlear Implants International

OBJECTIVES: To evaluate the effectiveness of a virtual reality (VR) temporal bone simulator in training cochlear implant surgery. ..

Parameter-free Hierarchical Image Segmentation

SM Abdullah, Peter Tischer, Sudanthi Wijewickrema, Andrew Paplinski

Conference Proceedings  |  2017  |  2017 IEEE Visual Communications and Image Processing (VCIP)

Providing effective real-time feedback in simulation-based surgical training

X Ma, S Wijewickrema, Y Zhou, S Zhou, S O Leary, J Bailey

Conference Proceedings  |  2017  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

© Springer International Publishing AG 2017. Virtual reality simulation is becoming popular as a training platform in surgical edu..

Adversarial generation of real-time feedback with neural networks for Simulation-based training

X Ma, S Wijewickrema, S Zhou, Y Zhou, Z Mhammedi, S O'Leary, J Bailey

Conference Proceedings  |  2017  |  IJCAI International Joint Conference on Artificial Intelligence

Simulation-based training (SBT) is gaining popularity as a low-cost and convenient training technique in a vast range of applicati..

Simulation for Training Cochlear Implant Electrode Insertion

Xingjun Ma, Sudanthi Wijewickrema, Yun Zhou, Bridget Copson, James Bailey, Gregor Kennedy, Stephen O'Leary

Conference Proceedings  |  2017  |  2017 IEEE 30th International Symposium on Computer-Based Medical Systems (CBMS)

Design and Evaluation of a Virtual Reality Simulation Module for Training Advanced Temporal Bone Surgery

Sudanthi Wijewickrema, Bridget Copson, Yun Zhou, Xingjun Ma, Robert Briggs, James Bailey, Gregor Kennedy, Stephen O'Leary

Conference Proceedings  |  2017  |  2017 IEEE 30th International Symposium on Computer-Based Medical Systems (CBMS)

Effects of anatomical variation on trainee performance in a virtual reality temporal bone surgery simulator

P Piromchai, I Ioannou, S Wijewickrema, P Kasemsiri, J Lodge, G Kennedy, S O'Leary

Journal article  |  2017  |  The Journal of Laryngology & Otology

Hierarchical Mutual Nearest Neighbour Image Segmentation

SM Abdullah, Peter Tischer, Sudanthi Wijewickrema, Andrew Paplinski

Conference Proceedings  |  2016  |  2016 International Conference on Digital Image Computing: Techniques and Applications (DICTA)

Provision of Automated Step-by-Step Procedural Guidance in Virtual Reality Surgery Simulation

Sudanthi Wijewickrema, Yun Zhou, James Bailey, Gregor Kennedy, Stephen O'Leary

Conference Proceedings  |  2016  |  Proceedings of the 22nd ACM Conference on Virtual Reality Software and Technology - VRST '16

Correlations of External Landmarks With Internal Structures of the Temporal Bone

Patorn Piromchai, Sudanthi Wijewickrema, Henrik Smeds, Gregor Kennedy, Stephen O'Leary

Journal article  |  2015  |  Otology & Neurotology

Developing Effective Automated Feedback in Temporal Bone Surgery Simulation

Sudanthi Wijewickrema, Patorn Piromchai, Yun Zhou, Ioanna Ioannou, James Bailey, Gregor Kennedy, Stephen O'Leary

Journal article  |  2015  |  Otolaryngology–Head and Neck Surgery

Automated Segmentation of Surgical Motion for Performance Analysis and Feedback

Yun Zhou, Ioanna Ioannou, Sudanthi Wijewickrema, James Bailey, Gregor Kennedy, Stephen O'Leary

Conference Proceedings  |  2015  |  MEDICAL IMAGE COMPUTING AND COMPUTER-ASSISTED INTERVENTION - MICCAI 2015, PT I

Region-Specific Automated Feedback in Temporal Bone Surgery Simulation

Sudanthi Wijewickrema, Ioanna Ioannou, Yun Zhou, Patorn Piromchai, James Bailey, Gregor Kennedy, Stephen O'Leary

Conference Proceedings  |  2015  |  Computer-Based Medical Systems (CBMS), 2015 IEEE 28th International Symposium on

A Temporal Bone Surgery Simulator with Real-Time Feedback for Surgical Training

SN Wijewickrema, I Ioannou, Y ZHOU, P PIROMCHAI, J Bailey, GE Kennedy, SJ O'Leary

Conference Proceedings  |  2014  |  Medicine Meets Virtual Reality 21

The Construct Validity and Reliability of an Assessment Tool for Competency in Cochlear Implant Surgery

Patorn Piromchai, Pornthep Kasemsiri, Sudanthi Wijewickrema, Ioanna Ioannou, Gregor Kennedy, Stephen O'Leary

Journal article  |  2014  |  BioMed Research International

Transfer Learning of a Temporal Bone Performance Model via Anatomical Feature Registration

Y Zhou, I Ioannou, S Wijewickrema, J BAILEY

Conference Proceedings  |  2014  |  2014 22nd International Conference on Pattern Recognition

Algorithms for projecting points onto conics

N Chernov, S Wijewickrema

Journal article  |  2013  |  Journal of Computational and Applied Mathematics

Adaptation of Marching Cubes for the Simulation of Material Removal from Segmented Volume Data

Sudanthi Wijewickrema, Ioanna Ioannou, Gregor Kennedy

Conference Proceedings  |  2013  |  Computer-Based Medical Systems - CBMS 2013

Pattern-based real-time feedback for a temporal bone simulator

Y ZHOU, J Bailey, I Ioannou, SN Wijewickrema, SJ O'Leary, GE Kennedy

Conference Proceedings  |  2013  |  Proceedings of the 19th ACM Symposium on Virtual Reality Software and Technology

Constructive real time feedback for a temporal bone simulator

Y ZHOU, J Bailey, I Ioannou, SN Wijewickrema, GE Kennedy, SJ O'Leary

Conference Proceedings  |  2013  |  Medical Image Computing and Computer-Assisted Intervention – MICCAI 2013

Orthogonal distance least squares fitting: A novel approach

S Wijewickrema, C Esson, A Papliński

Conference Proceedings  |  2010  |  Communications in Computer and Information Science

A novel approach to orthogonal distance least squares fitting of general conics

S Wijewickrema, C Esson, A Papliński

Conference Proceedings  |  2009  |  VISAPP 2009 - Proceedings of the 4th International Conference on Computer Vision Theory and Applications

Reconstruction of spheres using occluding contours from stereo images

SNR Wijewickrema, AP Papliński, CE Esson

Conference Proceedings  |  2006  |  18th International Conference on Pattern Recognition (ICPR'06)

Reconstruction of ellipsoids on rollers from stereo images using occluding contours

SNR Wijewickrema, AP Papliński, CE Esson

Conference Proceedings  |  2006  |  VISAPP 2006 - Proceedings of the 1st International Conference on Computer Vision Theory and Applications

Generalized Hebbian Learning for ellipse fitting

SNR Wijewickrema, AP Papliński

Conference Proceedings  |  2005  |  13th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2005, WSCG'2005 - In Co-operation with EUROGRAPHICS, Full Papers

Principal component analysis for the approximation of an image as an ellipse

SNR Wijewickrema, AP Papliński

Conference Proceedings  |  2005  |  13th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2005, WSCG'2005 - In Co-operation with EUROGRAPHICS, Full Papers