1984 …2019
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Research Output 1984 2019

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2019

2019 data fusion contest

Le Saux, B., Yokoya, N., Hansch, R., Brown, M. & Hager, G., Mar 1 2019, IEEE Geoscience and Remote Sensing Magazine, 7, 1, p. 103-105 3 p.

Research output: Contribution to specialist publicationArticle

multisensor fusion
Data fusion

Assessment of Automated Identification of Phases in Videos of Cataract Surgery Using Machine Learning and Deep Learning Techniques

Yu, F., Silva Croso, G., Kim, T. S., Song, Z., Parker, F., Hager, G., Reiter, A., Vedula, S. S., Ali, H. & Sikder, S., Apr 5 2019, In : JAMA network open. 2, 4, p. e191860

Research output: Contribution to journalArticle

Cataract
Learning
ROC Curve
Ophthalmology
Internship and Residency

Automated semantic labeling of pediatric musculoskeletal radiographs using deep learning

Yi, P. H., Kim, T. K., Wei, J., Shin, J., Hui, F., Sair, H., Hager, G. & Fritz, J., Jan 1 2019, In : Pediatric radiology.

Research output: Contribution to journalArticle

Semantics
Learning
Pediatrics
ROC Curve
Area Under Curve

Deep-Learning-Based Semantic Labeling for 2D Mammography and Comparison of Complexity for Machine Learning Tasks

Yi, P. H., Lin, A., Wei, J., Yu, A. C., Sair, H., Hui, F., Hager, G. & Harvey, S., Jan 1 2019, In : Journal of Digital Imaging.

Research output: Contribution to journalArticle

Open Access
Mammography
Semantics
Labeling
Learning systems
Learning

Deep Learning Method for Automated Classification of Anteroposterior and Posteroanterior Chest Radiographs

Kim, T. K., Yi, P. H., Wei, J., Shin, J. W., Hager, G., Hui, F., Sair, H. & Lin, C., Jan 1 2019, (Accepted/In press) In : Journal of Digital Imaging.

Research output: Contribution to journalArticle

Pediatrics
Thorax
Learning
Neural networks
Learning systems
Tomography
Navigation
Imaging techniques
Statistics
Endoscopy

Objective assessment of intraoperative technical skill in capsulorhexis using videos of cataract surgery

Kim, T. S., O’Brien, M., Zafar, S., Hager, G., Sikder, S. & Vedula, S. S., Jan 1 2019, In : International Journal of Computer Assisted Radiology and Surgery.

Research output: Contribution to journalArticle

Capsulorhexis
Optical flows
Ophthalmology
Cataract
Surgery

Segmenting and classifying activities in robot-assisted surgery with recurrent neural networks

DiPietro, R., Ahmidi, N., Malpani, A., Waldram, M., Lee, G. I., Lee, M. R., Vedula, S. S. & Hager, G., Jan 1 2019, In : International Journal of Computer Assisted Radiology and Surgery.

Research output: Contribution to journalArticle

Gestures
Recurrent neural networks
Surgery
Biomechanical Phenomena
Robots

Special issue on the International Symposium on Robotics Research, 2017

Amato, N. M., Hager, G., Thomas, S. & Torres-Torriti, M., Oct 1 2019, In : International Journal of Robotics Research. 38, 12-13, p. 1327-1328 2 p.

Research output: Contribution to journalArticle

Open Access

The deformable most-likely-point paradigm

Sinha, A., Billings, S. D., Reiter, A., Liu, X., Ishii, M., Hager, G. & Taylor, R. H., Jul 1 2019, In : Medical Image Analysis. 55, p. 148-164 17 p.

Research output: Contribution to journalArticle

Statistical Models
Experiments
Datasets
2018

Association between Surgical Trainee Daytime Sleepiness and Intraoperative Technical Skill When Performing Septoplasty

Tseng, Y. W., Swaroop Vedula, S., Malpani, A., Ahmidi, N., Boahene, D. O., Papel, I. D., Kontis, T. C., Maxwell, J., Wanamaker, J. R., Byrne, P. J., Malekzadeh, S., Hager, G., Ishii, L. E. & Ishii, M., Jan 1 2018, (Accepted/In press) In : JAMA Facial Plastic Surgery.

Research output: Contribution to journalArticle

Physicians
Visual Analog Scale
Otolaryngology
Plastic Surgery
Operating Rooms

Deep Supervision with Intermediate Concepts

Li, C., Zia, M. Z., Tran, Q. H., Yu, X., Hager, G. & Chandraker, M., Aug 10 2018, (Accepted/In press) In : IEEE Transactions on Pattern Analysis and Machine Intelligence.

Research output: Contribution to journalArticle

Neural Networks
Neural networks
Human Vision
Pascal
Machine Vision
Navigation systems
Surgery
Nasolacrimal Duct
Endoscopes
Paranasal Sinuses
2017

A Dataset and Benchmarks for Segmentation and Recognition of Gestures in Robotic Surgery

Ahmidi, N., Tao, L., Sefati, S., Gao, Y., Lea, C., Haro, B. B., Zappella, L., Khudanpur, S., Vidal, R. & Hager, G., Sep 1 2017, In : IEEE Transactions on Biomedical Engineering. 64, 9, p. 2025-2041 17 p., 7805258.

Research output: Contribution to journalArticle

Hidden Markov models
Benchmarking
Time series
Dynamical systems
Kinematics

Objective Assessment of Surgical Technical Skill and Competency in the Operating Room

Vedula, S. S., Ishii, M. & Hager, G., Jun 21 2017, In : Annual Review of Biomedical Engineering. 19, p. 301-325 25 p.

Research output: Contribution to journalArticle

Operating rooms
Operating Rooms
Safety Management
Quality of Health Care
Patient Safety

Transition state clustering: Unsupervised surgical trajectory segmentation for robot learning

Krishnan, S., Garg, A., Patil, S., Lea, C., Hager, G., Abbeel, P. & Goldberg, K., Dec 1 2017, In : International Journal of Robotics Research. 36, 13-14, p. 1595-1618 24 p.

Research output: Contribution to journalArticle

Robot learning
Unsupervised Clustering
Transition State
Segmentation
Robot
2016

Analysis of the structure of surgical activity for a suturing and knot-tying task

Vedula, S. S., Malpani, A. O., Tao, L., Chen, G., Gao, Y., Poddar, P., Ahmidi, N., Paxton, C., Vidal, R., Khudanpur, S., Hager, G. & Chen, C. C. G., Mar 1 2016, In : PLoS One. 11, 3, e0149174.

Research output: Contribution to journalArticle

Transition flow
Gestures
knots
surgeons
Semantics

Guest Editorial: Special Section on CVPR 2013

Freeman, W. T., Szeliski, R. & Hager, G., Apr 1 2016, In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 38, 4, p. 625-626 2 p., 7425363.

Research output: Contribution to journalArticle

Message from the General Chair and Program Chairs

Bajcsy, R., Hager, G., Ma, Y., Ikeuchi, K., Schnörr, C., Sivic, J. & Vidal, R., Feb 11 2016, In : Unknown Journal. 2016-February, p. xvii-xviii 7406354.

Research output: Contribution to journalArticle

Query-by-example surgical activity detection

Gao, Y., Vedula, S. S., Lee, G. I., Lee, M. R., Khudanpur, S. & Hager, G., Apr 12 2016, (Accepted/In press) In : International journal of computer assisted radiology and surgery. p. 1-10 10 p.

Research output: Contribution to journalArticle

Data recording
Information retrieval
Template matching
Time series
Teaching

System events: readily accessible features for surgical phase detection

Malpani, A., Lea, C., Chen, C. C. G. & Hager, G., May 13 2016, (Accepted/In press) In : International journal of computer assisted radiology and surgery. p. 1-9 9 p.

Research output: Contribution to journalArticle

Dissection
Labels
Operating rooms
Convolution
Computer vision

Task-Level vs. Segment-Level Quantitative Metrics for Surgical Skill Assessment

Vedula, S. S., Malpani, A., Ahmidi, N., Khudanpur, S., Hager, G. & Chen, C. C. G., 2016, (Accepted/In press) In : Journal of Surgical Education.

Research output: Contribution to journalArticle

Gestures
Robotics
Area Under Curve
trainee
surgery
2015

An automated images-to-graphs framework for high resolution connectomics

Gray Roncal, W. R., Kleissas, D. M., Vogelstein, J. T., Manavalan, P., Lillaney, K., Pekala, M., Burns, R., Vogelstein, R. J., Priebe, C. E., Chevillet, M. A. & Hager, G., Aug 15 2015, In : Frontiers in Neuroinformatics. 9, AUGUST, 20.

Research output: Contribution to journalArticle

Connectome
Brain
Pipelines
Electron microscopy
Neurons

A study of crowdsourced segment-level surgical skill assessment using pairwise rankings

Malpani, A., Vedula, S. S., Chen, C. C. G. & Hager, G., Jun 30 2015, In : International journal of computer assisted radiology and surgery. 10, 9, p. 1435-1447 13 p.

Research output: Contribution to journalArticle

Crowdsourcing
Classifiers
Reproducibility of Results
Education
Specifications

Automated objective surgical skill assessment in the operating room from unstructured tool motion in septoplasty

Ahmidi, N., Poddar, P., Jones, J. D., Vedula, S. S., Ishii, L. E., Hager, G. & Ishii, M., Apr 17 2015, In : International journal of computer assisted radiology and surgery. 10, 6, p. 981-991 11 p.

Research output: Contribution to journalArticle

Operating rooms
Dissection
Operating Rooms
Hidden Markov models
Tissue

Five-dimensional ultrasound system for soft tissue visualization

Deshmukh, N. P., Caban, J. J., Taylor, R. H., Hager, G. & Boctor, E., Dec 1 2015, In : International journal of computer assisted radiology and surgery. 10, 12, p. 1927-1939 13 p.

Research output: Contribution to journalArticle

Elasticity Imaging Techniques
Visualization
Ultrasonics
Tissue
Transfer functions

Surgical performance assessment

Kumar, S., Ahmidi, N., Hager, G., Singhal, P., Corso, J. & Krovi, V., Sep 1 2015, Mechanical Engineering, 137, 9, p. 7-10 4 p.

Research output: Contribution to specialist publicationArticle

2014

Automated image alignment and segmentation to follow progression of geographic atrophy in age-related macular degeneration

Ramsey, D. J., Sunness, J. S., Malviya, P., Applegate, C., Hager, G. & Handa, J., 2014, In : Retina. 34, 7, p. 1296-1307 12 p.

Research output: Contribution to journalArticle

Geographic Atrophy
Macular Degeneration
Color
Cluster Analysis

Elastography using multi-stream GPU: An application to online tracked ultrasound elastography, in-vivo and the da Vinci surgical system

Deshmukh, N. P., Kang, H. J., Billings, S. D., Taylor, R. H., Hager, G. & Boctor, E., Dec 26 2014, In : PLoS One. 9, 12, e115881.

Research output: Contribution to journalArticle

Elasticity Imaging Techniques
Ultrasonics
probes (equipment)
Ablation
Palpation

Fundus image mosaicking for information augmentation in computer-assisted slit-lamp imaging

Richa, R., Linhares, R., Comunello, E., Von Wangenheim, A., Schnitzler, J. Y., Wassmer, B., Guillemot, C., Thuret, G., Gain, P., Hager, G. & Taylor, R. H., 2014, In : IEEE Transactions on Medical Imaging. 33, 6, p. 1304-1312 9 p., 6754152.

Research output: Contribution to journalArticle

Electric lamps
Imaging techniques
Retina
Computational efficiency
Navigation

Ultrasound elastography using multiple images

Rivaz, H., Boctor, E., Choti, M. A. & Hager, G., 2014, In : Medical Image Analysis. 18, 2, p. 314-329 16 p.

Research output: Contribution to journalArticle

Elasticity Imaging Techniques
Ultrasonics
Noise
Costs and Cost Analysis
Physics
2013

A freehand ultrasound elastography system with tracking for in vivo applications

Foroughi, P., Kang, H. J., Carnegie, D. A., van Vledder, M. G., Choti, M. A., Hager, G. & Boctor, E., Feb 2013, In : Ultrasound in Medicine and Biology. 39, 2, p. 211-225 15 p.

Research output: Contribution to journalArticle

Elasticity Imaging Techniques
Radio
radio frequencies
fuses
Palpation

Anatomical reconstructions of pediatric airways from endoscopic images: A pilot study of the accuracy of quantitative endoscopy

Meisner, E. M., Hager, G., Ishman, S. L., Brown, D., Tunkel, D. E. & Ishii, M., Nov 2013, In : Laryngoscope. 123, 11, p. 2880-2887 8 p.

Research output: Contribution to journalArticle

Endoscopy
Pediatrics
Tomography
Bronchoscopy
Laryngoscopes

Dynamic template tracking and recognition

Chaudhry, R., Hager, G. & Vidal, R., Oct 2013, In : International Journal of Computer Vision. 105, 1, p. 19-48 30 p.

Research output: Contribution to journalArticle

Textures
Dynamical systems
Optical flows
Smoke
Fires

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

Mirota, D. J., Uneri, A., Schafer, S., Nithiananthan, S., Reh, D. D., Ishii, M., Gallia, G. L., Taylor, R. H., Hager, G. D. & Siewerdsen, J. H., 2013, In : IEEE Transactions on Medical Imaging. 32, 7, p. 1215-1226 12 p., 6422396.

Research output: Contribution to journalArticle

Cone-Beam Computed Tomography
Skull Base
Surgery
Tomography
Cones

Message from the general and program chairs

Medioni, G., Zabih, R., Hebert, M., Freeman, B., Hager, G. & Szeliski, R., 2013, In : Unknown Journal. 6618849.

Research output: Contribution to journalArticle

Surgical gesture classification from video and kinematic data

Zappella, L., Béjar, B., Hager, G. & Vidal, R., Oct 2013, In : Medical Image Analysis. 17, 7, p. 732-745 14 p.

Research output: Contribution to journalArticle

Gestures
Biomechanical Phenomena
Surgical Instruments
Kinematics
Dynamical systems

Unified detection and tracking of instruments during retinal microsurgery

Sznitman, R., Richa, R., Taylor, R. H., Jedynak, B. & Hager, G., 2013, In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 35, 5, p. 1263-1273 11 p., 6319313.

Research output: Contribution to journalArticle

Target
Time series
Entropy
Local Optimization
Testing

Vision-based control of a handheld surgical micromanipulator with virtual fixtures

Becker, B. C., Maclachlan, R. A., Lobes, L. A., Hager, G. & Riviere, C. N., 2013, In : IEEE Transactions on Robotics. 29, 3, p. 674-683 10 p., 6464625.

Research output: Contribution to journalArticle

Micromanipulators
Position measurement
Peeling
Surgery
Frequency bands
2012
Statistical Models
Credentialing
Surgeons
Endoscopes
Electromagnetic Phenomena

Assessing system operation skills in robotic surgery trainees

Kumar, R., Jog, A., Malpani, A., Vagvolgyi, B., Yuh, D., Nguyen, H., Hager, G. & Chen, C. C. G., Mar 2012, In : International Journal of Medical Robotics and Computer Assisted Surgery. 8, 1, p. 118-124 7 p.

Research output: Contribution to journalArticle

Robotics
Urology
Statistical Models
Dissection
Telemetering

Assessment of crohn's disease lesions in wireless capsule endoscopy images

Kumar, R., Zhao, Q., Seshamani, S., Mullin, G., Hager, G. & Dassopoulos, T., Feb 2012, In : IEEE Transactions on Biomedical Engineering. 59, 2, p. 355-362 8 p., 6051474.

Research output: Contribution to journalArticle

Endoscopy
Supervised learning
Image analysis
Classifiers

A system for video-Based navigation for endoscopic endonasal skull base surgery

Mirota, D. J., Wang, H., Taylor, R. H., Ishii, M., Gallia, G. L. & Hager, G., Apr 2012, In : IEEE Transactions on Medical Imaging. 31, 4, p. 963-976 14 p., 6084839.

Research output: Contribution to journalArticle

Endoscopy
Skull Base
Navigation systems
Surgery
Navigation

Objective measures for longitudinal assessment of robotic surgery training

Kumar, R., Jog, A., Vagvolgyi, B., Nguyen, H., Hager, G., Chen, C. C. G. & Yuh, D., Mar 2012, In : Journal of Thoracic and Cardiovascular Surgery. 143, 3, p. 528-534 7 p.

Research output: Contribution to journalArticle

Robotics
Clinical Competence
Benchmarking
Learning Curve
Longitudinal Studies

Special issue on robotic vision

Kragic, D. & Hager, G., Apr 2012, In : International Journal of Robotics Research. 31, 4, p. 379-380 2 p.

Research output: Contribution to journalArticle

Robotics
Vision

Ultrasound elastography as a tool for imaging guidance during prostatectomy: Initial experience

Fleming, I. N., Kut, C., Macura, K., Su, L. M., Rivaz, H., Schneider, C., Hamper, U. M., Lotan, T., Taylor, R. H., Hager, G. & Boctor, E., 2012, In : Medical Science Monitor. 18, 11

Research output: Contribution to journalArticle

Elasticity Imaging Techniques
Prostatectomy
Palpation
Robotics
Prostate

Vision-based proximity detection in retinal surgery

Richa, R., Balicki, M., Sznitman, R., Meisner, E., Taylor, R. H. & Hager, G., 2012, In : IEEE Transactions on Biomedical Engineering. 59, 8, p. 2291-2301 11 p., 6212340.

Research output: Contribution to journalArticle

Surgery
Visualization
Feedback
Microscopes
Silicon
2011

A meta method for image matching

Seshamani, S., Kumar, R., Mullin, G., Dassopoulos, T. & Hager, G., Aug 2011, In : IEEE Transactions on Medical Imaging. 30, 8, p. 1468-1479 12 p., 5720317.

Research output: Contribution to journalArticle

Capsule Endoscopy
Image matching
Endoscopy
Crohn Disease
Experiments

Real-time regularized ultrasound elastography

Rivaz, H., Boctor, E., Choti, M. A. & Hager, G., Apr 2011, In : IEEE Transactions on Medical Imaging. 30, 4, p. 928-945 18 p., 5629442.

Research output: Contribution to journalArticle

Elasticity Imaging Techniques
Ultrasonics
Cost functions
Ablation
Costs and Cost Analysis

Review of methods for objective surgical skill evaluation

Reiley, C. E., Lin, H. C., Yuh, D. D. & Hager, G., Feb 2011, In : Surgical Endoscopy and Other Interventional Techniques. 25, 2, p. 356-366 11 p.

Research output: Contribution to journalArticle

Statistical Models
Robotics
PubMed
Information Systems
Health Care Costs