Assessment of automated identification of phases in videos of cataract surgery using machine learning and deep learning techniques
JAMA network open
TS Kim, M O’Brien, S Zafar, GD Hager, S Sikder, S Vedula
Objective assessment of intraoperative technical skill in capsulorhexis using videos of cataract surgery
Int Journal of Computer Assisted Radiology and Surgery (IJCARS) – IPCAI 2019
R DiPietro, N Ahmidi, A Malpani, M Waldram, GI Lee, MR Lee, S Vedula, GD Hager
Segmenting and classifying activities in robot-assisted surgery with recurrent neural networks
Int Journal of Computer Assisted Radiology and Surgery (IJCARS) – IPCAI 2019
J Jones, GD Hager, S Khudanpur
Toward computer vision systems that understand real-world assembly processes
Winter Conference on Applications of Computer Vision (WACV) 2019
TS Kim, M Peven, W Qiu, A Yuille, GD Hager
Synthesizing Attributes with Unreal Engine for Fine-grained Activity Analysis
Winter Applications of Computer Vision Workshops (WACVW) 2019
Endoscopic navigation in the absence of CT imaging
Medical Image Computing and Computer-Assisted Intervention (MICCAI)
R DiPietro, GD Hager
Unsupervised learning for surgical motion by learning to predict the future
Medical Image Computing and Computer-Assisted Intervention (MICCAI)
S Leonard, A Sinha, A Reiter, M Ishii, GL Galia, RH Taylor, GD Hager
Evaluation and Stability Analysis of Video-Based Navigation System for Functional Endoscopic Sinus Surgery on In-Vivo Clinical Data
IEEE Transactions on Medical Imaging
Crowdsourcing annotation of surgical instruments in videos of cataract surgery
MICCAI Workshop on Large-Scale Annotation of Biomedical Data and Expert Label Synthesis (LABELS) 2018
X Liu, A Sinha, M Unberath, M Ishii, GD Hager, RH Taylor, A Reiter
Self-supervised Learning for Dense Depth Estimation in Monocular Endoscopy
MICCAI Workshop on Computer-Assisted and Robotic Endoscopy (CARE) 2018
TS Kim, A Malpani, A Reiter, GD Hager, S Sikder, S Vedula
Crowdsourcing annotation of surgical instruments in videos of cataract surgery
MICCAI Workshop on Large-scale Annotation of Biomedical Data and Expert Label Synthesis (LABELS) 2018
Regularizing Face Verification Nets For Pain Intensity Regression
International Conference on Image Processing (ICIP) 2017
C Paxton, A Hundt, F Jonathan, K Guerin, GD Hager
CoSTAR: Instructing collaborative robots with behavior trees and vision
International Conference on Robotics and Automation (ICRA) 2017
C Li, MZ Zia, QH Tran, X Yu, GD Hager, M Chandraker
Deep Supervision with Shape Concepts for Occlusion-Aware 3D Object Parsing
Computer Vision and Pattern Recognition (CVPR) 2017
C Lea, MD Flynn, R Vidal, A Reiter, GD Hager
Temporal convolutional networks for action segmentation and detection
Computer Vision and Pattern Recognition (CVPR) 2017
N Ahmidi, L Tao, S Sefati, Y Gao, C Lea, BB Haro, L Zappella, S Khudanpur, R Vidal (Fellow, IEEE), GD Hager
A Dataset and Benchmarks for Segmentation and Recognition of Gestures in Robotic Surgery
Transaction of Biomedical Engineering (TBME) 2017
A Sinha, A Reiter, S Leonard, M Ishii, RH Taylor, GD Hager
Simultaneous segmentation and correspondence improvement using statistical modes
SPIE Medical Imaging 2017
Interpretable 3D Human Action Analysis with Temporal Convolutional Networks
CVPR workshop on Brave New Ideas for Motion Representations in Video 2
Do what I want, not what I did: Imitation of skills by planning sequences of actions
International Conference on Intelligent Robots and Systems (IROS) 2016
C Lea, A Reiter, R Vidal, GD Hager
Segmental Spatiotemporal CNNs for Fine-grained Action Segmentation
European Converence on Computer Vision (ECCV) 2016
C Rupprecht*, C Lea*, F Tombari, N Navab, GD Hager
Sensor Substitution for Video-based Action Recognition
International Conference on Intelligent Robots and Systems (IROS) 2016
SD Billings, A Sinha, A Reiter, S Leonard, M Ishii, GD Hager, and RH Taylor
Anatomically Constrained Video-CT Registration via the V-IMLOP Algorithm
Medical Image Computing and Computer-Assisted Intervention (MICCAI)
R DiPietro, C Lea, A Malpani, N Ahmidi, SS Vedula, G Lee, M Lee, and GD Hager
Recognizing Surgical Activities with Recurrent Neural Networks
Medical Image Computing and Computer-Assisted Intervention (MICCAI)
A Malpani, C Lea, CCG Chen, and GD Hager
System events: readily accessible features for surgical phase detection
Int Journal of Computer Assisted Radiology and Surgery (IJCARS) – IPCAI 2016 Issue
Y Gao, SS Vedula, G Lee, M Lee, S Khudanpur, and GD Hager
Query-by-example surgical activity detection
Int Journal of Computer Assisted Radiology and Surgery (IJCARS) – IPCAI 2016 Issue
C Li, J Bohren, E Carlson, and GD Hager.
Hierarchical Semantic Parsing for Object Pose Estimation in Densely Cluttered Scenes
International Conference on Robotics and Automation (ICRA)
C Lea, R Vidal, and GD Hager
Learning Convolutional Action Primitives for Fine-grained Action Recognition
International Conference on Robotics and Automation (ICRA)
Y Gao, SS Vedula, G Lee, M Lee, S Khudanpur, and GD Hager
Unsupervised surgical data alignment with application to automatic activity annotation
International Conference on Robotics and Automation (ICRA)
SS Vedula, A Malpani, N Ahmidi, S Khudanpur, GD Hager, and G Chen
Task-level versus segment-level quantitative metrics for surgical skill assessment
Journal of Surgical Education
SS Vedula, A Malpani, L Tao, G Chen, Y Gao, P Poddar, N Ahmidi, C Paxton, R Vidal, S Khudanpur, and GD Hager
Analysis of the Structure of Surgical Activity for a Suturing and Knot-Tying Task
PLOS ONE
A Sinha, S Leonard, A Reiter, M Ishii, RH Taylor, and GD Hager
Automatic segmentation and statistical shape modeling of the paranasal sinuses to estimate natural variations
SPIE Medical Imaging
S Leonard, A Reiter, A Sinha, M Ishii, RH Taylor, and GD Hager
Image-based navigation for functional endoscopic sinus surgery using structure from motion
SPIE Medical Imaging
A Reiter, S Leonard, A Sinha, M Ishii, RH Taylor, and GD Hager
Endoscopic-CT: learning-based photometric reconstruction for endoscopic sinus surgery
SPIE Medical Imaging
Beyond Spatial Pooling: Fine-Grained Representation Learning in Multiple Domains
Computer Vision and Pattern Recognition (CVPR)
K Guerin, C Lea, C Paxton, G Hager
A Framework for End-User Instruction of a Robot Assistant for Manufacturing
International Conference on Robotics and Automation (ICRA)
E AM Ghalamzan, C Paxton, G Hager, and L Bascetta
An incremental approach to learning generalizable robot tasks from human demonstration
International Conference on Robotics and Automation (ICRA)
S Krishnan, A Garg, S Patil, C Lea, G Hager, P Abbeel and K Goldberg
Transition state clustering: Unsupervised surgical trajectory segmentation for robot learning
International Symposium of Robotics Research (ISRR)
C Li, J Bohren, GD Hager.
Bridging the Robot Perception Gap With Mid-Level Vision
International Symposium of Robotics Research (ISRR)
C Lea, G Hager, and R Vidal
An improved model for segmentation and recognition of fine-grained activities with application to surgical training tasks
Winter Conference on Applications of Computer Vision (WACV)
WR Gray Roncal, DM Kleissas, JT Vogelstein, P Manavalan, K Lillaney, M Pekala, R Burns, RJ Vogelstein, CE Priebe, MA Chevillet and others
An automated images-to-graphs framework for high resolution connectomics
Frontiers in Neuroinformatics
Y Otake, S Leonard, A Reiter, P Rajan, JH Siewerdsen, GL Gallia, M Ishii, RH Taylor, and GD Hager
Rendering-based video-CT registration with physical constraints for image-guided endoscopic sinus surgery
SPIE Medical Imaging
I Fleming, G Hager, X Guo, HJ Kang, and E Boctor
Iterative motion compensation approach for ultrasonic thermal imaging
SPIE Medical Imaging
N Ahmidi, P Poddar, JD Jones, SS Vedula, L Ishii, G Hager and M Ishii
Automated objective surgical skill assessment in the operating room from unstructured tool motion in septoplasty
International Journal of Computer Assisted Radiology and Surgery (IJCARS)
A Malpani, SS Vedula, CCG Chen and GD Hager
A study of crowdsourced segment-level surgical skill assessment using pairwise rankings
International Journal of Computer Assisted Radiology and Surgery (IJCARS)
NP Deshmukh, JJ Caban, RH Taylor, GD Hager and EM Boctor
Five-dimensional ultrasound system for soft tissue visualization
International Journal of Computer Assisted Radiology and Surgery (IJCARS)
S Kumar, N Ahmidi, GD Hager, P Singhal, J Corso, V Krovi
Surgical Performance Assessment
American Society of Mechanical Engineers
N Ahmidi, P Poddar, JD Jones, SS Vedula, L Ishii, GD Hager, and M Ishii
Automated objective surgical skill assessment in the operating room using unstructured tool motion
Information Processing in Computer-Assisted Interventions
The jhu-isi gesture and skill assessment dataset (jigsaws): A surgical activity working set for human motion modeling
Medical Image Computing and Computer-Assisted Intervention (MICCAI)
X Xiang, D Mirota, A Reiter, and GD Hager
Is Multi-model Feature Matching Better for Endoscopic Motion Estimation?
MICCAI Workshop on Computer-Assisted and Robotic Endoscopy (CARE)
CCG Chen, E Tanner, A Malpani, SS Vedula, AN Fader, SA Scheib, IC Green, and GD Hager
Warm-Up Before Robotic Hysterectomy Does Not Improve Trainee Operative Performance: A Randomized Trial
Journal of Minimally Invasive Gynecology, Vol. 6 Issue 6 Supplement (Abstracts of the 44th AAGL Global Congress of Minimally Invasive Gynecology)
Surgical Needle for a Surgical System with Optical Recognition
US Patent 20,150,148,668
P Stolka, P Foroughi, M Rendina, G Hager,
ULTRASOUND SYSTEM WITH STEREO IMAGE GUIDANCE OR TRACKING
US Patent 20,150,148,664
Elastography Using Multi-Stream GPU: An Application to Online Tracked Ultrasound Elastography, In-Vivo and the da Vinci Surgical System
PloS one
KR Guerin, SD Riedel, J Bohren and GD Hager
Adjutant: A framework for flexible human-machine collaborative systems
Intelligent Robots and Systems (IROS)
H Rivaz, EM Boctor, MA Choti and GD Hager
Ultrasound elastography using multiple images
Medical Image Analysis
DJ Ramsey, JS Sunness, P Malviya, C Applegate, G Hager and JT Handa
Automated image alignment and segmentation to follow progression of geographic atrophy in age-related macular degeneration
Retina
R Richa, R Linhares, E Comunello, A von Wangenheim, JY Schnitzler, B Wassmer, C Guillemot, G Thuret, P Gain, G Hager and others
Fundus Image Mosaicking for Information Augmentation in Computer-Assisted Slit-Lamp Imaging
IEEE Transactions on Medical Imaging
A Malpani, SS Vedula, CCG Chen and GD Hager
Pairwise Comparison-Based Objective Score for Automated Skill Assessment of Segments in a Surgical Task
Information Processing in Computer-Assisted Interventions (IPCAI)
PJ Stolka, P Foroughi, M Rendina, CR Weiss, GD Hager and EM Boctor
Needle guidance using handheld stereo vision and projection for ultrasound-based interventions
Medical Image Computing and Computer-Assisted Intervention (MICCAI)
Towards a Standard for Grounding Symbols for Robotic Task Ontologies
IROS Workshop on Standardized Knowledge Representation and Ontologies for Robotics and Automation
C Lea, G Hager and R Vidal
Using Vision to Improve Activity Recognition for Surgical Training Tasks
IROS Workshop on The Role of Human Sensorimotor Control in Surgical Robotics
A Malpani and GD Hager
Evaluating Surgical Training Task Segments: using the Crowd and the Machine
IROS Workshop on The Role of Human Sensorimotor Control in Surgical Robotics
Automated Objective Surgical Skill Assessment in the Operating Room Using Unstructured Tool Motion
arXiv preprint arXiv:1412.6163
X Xiang, M Dao, GD Hager and TD Tran
Hierarchical Sparse and Collaborative Low-Rank Representation for Emotion Recognition
arXiv preprint arXiv:1410.1606
W Gray Roncal, DM Kleissas, JT Vogelstein, P Manavalan, R Burns, RJ Vogelstein, CE Priebe, MA Chevillet and GD Hager
An Automated Images-to-Graphs Pipeline for High Resolution Connectomics
arXiv preprint arXiv:1411.6880
W Gray Roncal, V Kaynig-Fittkau, N Kasthuri, D Berger, JT Vogelstein, LR Fernandez, JW Lichtman, RJ Vogelstein, H Pfister and GD Hager
Volumetric exploitation of synaptic information using context localization and evaluation
arXiv preprint arXiv:1403.3724
Method and system for processing ultrasound data
US Patent 8,824,762
P Stolka, P Foroughi, M Rendina, G Hager, E Boctor
Surgical needle for a surgical system with optical recognition
US Patent 8,880,151
Dynamic template tracking and recognition
International Journal of Computer Vision (IJCV)
R Sznitman, R Richa, R Taylor, B Jedynak and G Hager
Unified detection and tracking of instruments during retinal microsurgery
Pattern Analysis and Machine Intelligence (PAMI)
P Foroughi, HJ Kang, DA Carnegie, MG van Vledder, MA Choti, GD Hager, and EM Boctor
A freehand ultrasound elastography system with tracking for in vivo applications
Ultrasound in Medicine & Biology
DJ Mirota, A Uneri, S Schafer, S Nithiananthan, DD Reh, M Ishii, GL Gallia, RH Taylor, GD Hager, and JH Siewerdsen
Evaluation of a system for high-accuracy 3D image-based registration of endoscopic video to c-arm cone-beam CT for image-guided skull base surgery
IEEE Transactions on Medical Imaging
BC Becker, R MacLachlan, LA Lobes, G Hager, CN Riviere and others
Vision-based control of a handheld surgical micromanipulator with virtual fixtures
IEEE Transactions on Robotics
J Bohren, C Papazov, D Burschka, K Krieger, S Parusel, S Haddadin, WL Shepherdson, G Hager and LL Whitcomb
A pilot study in vision-based augmented telemanipulation for remote assembly over high-latency networks
International Conference on Robotics and Automation (ICRA)
L Zappella, B Bejar, G Hager and R Vidal
Surgical gesture classification from video and kinematic data
Medical Image Analysis
EM Meisner, G Hager, SL Ishman, D Brown, DE Tunkel and M Ishii
Anatomical reconstructions of pediatric airways from endoscopic images: A pilot study of the accuracy of quantitative endoscopy
The Laryngoscope
C Guillemot, R Richa, E Comunello, A Von Wangenheim, JY Schnitzler, B Wassmer, G Hager, R Taylor, G Thuret and P Gain
Live retinal image mosaicking during fundus examination with a computer-assisted slit-lamp prototype
Acta Ophthalmologica
L Tao, L Zappella, G Hager, and R Vidal
Surgical gesture segmentation and recognition
Medical Image Computing and Computer-Assisted Intervention (MICCAI)
N Ahmidi, Y Gao, B Bejar, S Vedula, S Khudanpur, R Vidal, and GD Hager
String motif-based description of tool motion for detecting skill and gestures in robotic surgery
Medical Image Computing and Computer-Assisted Intervention (MICCAI)
T Bergen, T Wittenberg, C Munzenmayer, CCG Chen and GD Hager
A graph-based approach for local and global panorama imaging in cystoscopy
SPIE Medical Imaging
C Lea, J Facker, G Hager, R Taylor, S Saria
3d sensing algorithms towards building an intelligent intensive care unit
AMIA summits on translational science proceedings
Dockable Tool Framework for Interaction with Large Scale Wall Displays
US Patent App. 14/026,152
G Hager, M Ishii, EM Meisner, DJ Marota, HN Tokgozoglu
Imaging system and method for use of same to determine metric scale of imaged bodily anatomy
US Patent App. 13/895,813
H Rivaz, EM Boctor, G Fichtinger and G Hager
Robust and accurate freehand 3D ultrasound
US Patent 8,559,685
For older publications visit Greg Hager’s Google Scholar page.