Piet C. de Groen

According to our database, Piet C. de Groen authored at least 59 papers between 2003 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

VisActive: Visual-concept-based Active Learning for Image Classification under Class Imbalance.

Mohammed Khaleel, Azeez Idris, Wallapak Tavanapong, Jacob Pratt, Jung-Hwan Oh, Piet C. de Groen

ACM Trans. Multim. Comput. Commun. Appl., March, 2024

2023

Development and deployment of Computer-aided Real-Time feedback for improving quality of colonoscopy in a Multi-Center clinical trial.

Wallapak Tavanapong, Jacob Pratt, Jung-Hwan Oh, Mohammed Khaleel, Johnny S. Wong, Piet C. de Groen

Biomed. Signal Process. Control., May, 2023

Content Based Image Retrieval Using Depth Maps for Colonoscopy Images.

Md Marufi Rahman, Jung-Hwan Oh, Wallapak Tavanapong, Piet C. de Groen

Proceedings of the 16th International Joint Conference on Biomedical Engineering Systems and Technologies, 2023

2022

Artificial Intelligence for Colonoscopy: Past, Present, and Future.

Wallapak Tavanapong, Jung-Hwan Oh, Michael A. Riegler, Mohammed Khaleel, Bhuvan Mittal, Piet C. de Groen

IEEE J. Biomed. Health Informatics, 2022

Severity Classification of Ulcerative Colitis in Colonoscopy Videos by Learning from Confusion.

Md Farhad Mokter, Azeez Idris, Jung-Hwan Oh, Wallapak Tavanapong, Piet C. de Groen

Proceedings of the Advances in Visual Computing - 17th International Symposium, 2022

Training Strategy for Limited Labeled Data by Learning from Confusion.

Azeez Idris, Mohammed Khaleel, Wallapak Tavanapong, Jung-Hwan Oh, Piet C. de Groen

Proceedings of the 2022 IEEE International Conference on Image Processing, 2022

2021

Automated Bite-block Detection to Distinguish Colonoscopy from Upper Endoscopy Using Deep Learning.

Md Marufi Rahman, Jung-Hwan Oh, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the Advances in Visual Computing - 16th International Symposium, 2021

Hierarchical Visual Concept Interpretation for Medical Image Classification.

Mohammed Khaleel, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

Proceedings of the 34th IEEE International Symposium on Computer-Based Medical Systems, 2021

2020

Classification of Ulcerative Colitis Severity in Colonoscopy Videos Using Vascular Pattern Detection.

Md Farhad Mokter, Jung-Hwan Oh, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the Machine Learning in Medical Imaging - 11th International Workshop, 2020

Real-Time Feedback for Colonoscopy in a Multicenter Clinical Trial.

Wallapak Tavanapong, Jung-Hwan Oh, Gavin Kijkul, Jacob Pratt, Johnny Wong, Piet C. de Groen

Proceedings of the 33rd IEEE International Symposium on Computer-Based Medical Systems, 2020

2019

Enhanced Approach for Classification of Ulcerative Colitis Severity in Colonoscopy Videos Using CNN.

Sure Venkata Leela Lakshmi Tejaswini, Bhuvan Mittal, Jung-Hwan Oh, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the Advances in Visual Computing, 2019

Cross-document coreference: An approach to capturing coreference without context.

Kristin Wright-Bettner, Martha Palmer, Guergana Savova, Piet C. de Groen, Timothy A. Miller

Proceedings of the Tenth International Workshop on Health Text Mining and Information Analysis LOUHI@EMNLP 2019, 2019

2018

Similarity-Based Active Learning for Image Classification Under Class Imbalance.

Chuanhai Zhang, Wallapak Tavanapong, Gavin Kijkul, Johnny Wong, Piet C. de Groen, Jung-Hwan Oh

Proceedings of the IEEE International Conference on Data Mining, 2018

Non-Informative Frame Classification in Colonoscopy Videos Using CNNs.

A. B. M. Rezbaul Islam, Ali Alammari, Jung-Hwan Oh, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the 2018 3rd International Conference on Biomedical Imaging, 2018

2017

History of the Endoscope [Scanning Our Past].

Piet C. de Groen

Proc. IEEE, 2017

Real Data Augmentation for Medical Image Classification.

Chuanhai Zhang, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen, Jung-Hwan Oh

Proceedings of the Intravascular Imaging and Computer Assisted Stenting, and Large-Scale Annotation of Biomedical Data and Expert Label Synthesis, 2017

Classification of Ulcerative Colitis Severity in Colonoscopy Videos using CNN.

Ali Alammari, Abm Rezbaul Islam, Jung-Hwan Oh, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the 9th International Conference on Information Management and Engineering, Barcelona, Spain, October 09, 2017

Real-Time Instrument Scene Detection in Screening GI Endoscopic Procedures.

Chuanhai Zhang, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen, Jung-Hwan Oh

Proceedings of the 30th IEEE International Symposium on Computer-Based Medical Systems, 2017

2015

Polyp-Alert: Near real-time feedback during colonoscopy.

Yi Wang, Wallapak Tavanapong, Johnny S. Wong, Jung-Hwan Oh, Piet C. de Groen

Comput. Methods Programs Biomed., 2015

Detection of ulcerative colitis severity in colonoscopy video frames.

Ashok Dahal, Jung-Hwan Oh, Wallapak Tavanapong, Johnny S. Wong, Piet C. de Groen

Proceedings of the 13th International Workshop on Content-Based Multimedia Indexing, 2015

2014

Part-Based Multiderivative Edge Cross-Sectional Profiles for Polyp Detection in Colonoscopy.

Yi Wang, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

IEEE J. Biomed. Health Informatics, 2014

Temporal Annotation in the Clinical Domain.

William F. Styler IV, Steven Bethard, Sean Finan, Martha Palmer, Sameer Pradhan, Piet C. de Groen, Bradley James Erickson, Timothy A. Miller, Chen Lin, Guergana K. Savova, James Pustejovsky

Trans. Assoc. Comput. Linguistics, 2014

Abnormal image detection in endoscopy videos using a filter bank and local binary patterns.

Ruwan Dharshana Nawarathna, Jung-Hwan Oh, Jayantha Muthukudage, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen, Shou Jiang Tang

Neurocomputing, 2014

3D Reconstruction of virtual colon structures from colonoscopy images.

DongHo Hong, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

Comput. Medical Imaging Graph., 2014

Challenges associated with introduction of real-time quality monitoring and feedback during colonoscopy within a secure, tightly regulated healthcare network.

Piet C. de Groen, Wallapak Tavanapong, Jung-Hwan Oh, Johnny Wong

Proceedings of the Smart Digital Futures 2014, 2014

Narrative Event and Temporal Relation Visualization Tool.

Sean Finan, Piet C. de Groen, Guergana Savova

Proceedings of the AMIA 2014, 2014

2013

Near Real-Time Retroflexion Detection in Colonoscopy.

Yi Wang, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

IEEE J. Biomed. Health Informatics, 2013

SAPPHIRE: A toolkit for building efficient stream programs for medical video analysis.

Sean Stanek, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Ruwan Dharshana Nawarathna, Jayantha Muthukudage, Piet C. de Groen

Comput. Methods Programs Biomed., 2013

2012

Automatic real-time detection of endoscopic procedures using temporal features.

Sean Stanek, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

Comput. Methods Programs Biomed., 2012

Real-Time Phase Boundary Detection for Colonoscopy Videos Using Motion Vector Templates.

Ruwan Dharshana Nawarathna, Jung-Hwan Oh, Jayantha Muthukudage, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the Abdominal Imaging. Computational and Clinical Applications, 2012

2011

Color Based Stool Region Detection in Colonoscopy Videos for Quality Measurements.

Jayantha Muthukudage, Jung-Hwan Oh, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the Advances in Image and Video Technology - 5th Pacific Rim Symposium, 2011

Colon fold contour estimation for 3D visualization of colon structure from 2D colonoscopy images.

DongHo Hong, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

Proceedings of the 8th IEEE International Symposium on Biomedical Imaging: From Nano to Macro, 2011

Computer-aided detection of retroflexion in colonoscopy.

Yi Wang, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

Proceedings of the 24th IEEE International Symposium on Computer-Based Medical Systems, 2011

SAPPHIRE middleware and software development kit for medical video analysis.

Sean Stanek, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Ruwan Dharshana Nawarathna, Jayantha Muthukudage, Piet C. de Groen

Proceedings of the 24th IEEE International Symposium on Computer-Based Medical Systems, 2011

Effective and Accelerated Informative Frame Filtering in Colonoscopy Videos using Graphics Processing Unit.

Venkata Praveen Karri, Jung-Hwan Oh, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the BIOSIGNALS 2011, 2011

2010

Detection of Quality Visualization of Appendiceal Orifices Using Local Edge Cross-Section Profile Features and Near Pause Detection.

Yi Wang, Wallapak Tavanapong, Johnny S. Wong, Jung-Hwan Oh, Piet C. de Groen

IEEE Trans. Biomed. Eng., 2010

Automated measurement of quality of mucosa inspection for colonoscopy.

Xuemin Liu, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

Proceedings of the International Conference on Computational Science, 2010

2009

Measuring Objective Quality of Colonoscopy.

Jung-Hwan Oh, Sae Hwang, Yu Cao, Wallapak Tavanapong, Danyu Liu, Johnny S. Wong, Piet C. de Groen

IEEE Trans. Biomed. Eng., 2009

Automatically extracting cancer disease characteristics from pathology reports into a Disease Knowledge Representation Model.

Anni Coden, Guergana K. Savova, Igor L. Sominsky, Michael A. Tanenblatt, James J. Masanz, Karin Schuler, James W. Cooper, Wei Guan, Piet C. de Groen

J. Biomed. Informatics, 2009

3D Reconstruction of Colon Segments from Colonoscopy Images.

DongHo Hong, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

Proceedings of the Ninth IEEE International Conference on Bioinformatics and Bioengineering, 2009

2008

Deadline-constrained media uploading systems.

Mu Zhang, Johnny Wong, Wallapak Tavanapong, Jung-Hwan Oh, Piet C. de Groen

Multim. Tools Appl., 2008

Word sense disambiguation across two domains: Biomedical literature and clinical notes.

Guergana K. Savova, Anni Coden, Igor L. Sominsky, Rie Johnson, Philip V. Ogren, Piet C. de Groen, Christopher G. Chute

J. Biomed. Informatics, 2008

2007

Computer-Aided Detection of Diagnostic and Therapeutic Operations in Colonoscopy Videos.

Yu Cao, Danyu Liu, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

IEEE Trans. Biomed. Eng., 2007

Informative frame classification for endoscopy video.

Jung-Hwan Oh, Sae Hwang, JeongKyu Lee, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Medical Image Anal., 2007

Arthemis: Annotation software in an integrated capturing and analysis system for colonoscopy.

Danyu Liu, Yu Cao, Kihwan Kim, Sean Stanek, Bancha Doungratanaex-Chai, Kungen Lin, Wallapak Tavanapong, Johnny S. Wong, Jung-Hwan Oh, Piet C. de Groen

Comput. Methods Programs Biomed., 2007

Automatic polyp region segmentation for colonoscopy images using watershed algorithm and ellipse segmentation.

Sae Hwang, Jung-Hwan Oh, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the Medical Imaging 2007: Computer-Aided Diagnosis, San Diego, 2007

Polyp Detection in Colonoscopy Video using Elliptical Shape Feature.

Sae Hwang, Jung-Hwan Oh, Wallapak Tavanapong, Johnny Wong, Piet C. de Groen

Proceedings of the International Conference on Image Processing, 2007

2006

Automatic Classification of Images with Appendiceal Orifice in Colonoscopy Videos.

Yu Cao, Danyu Liu, Wallapak Tavanapong, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

Proceedings of the 28th International Conference of the IEEE Engineering in Medicine and Biology Society, 2006

Manual Annotation of Colonoscopy Videos: A First Step towards Automation.

Piet C. de Groen, Wallapak Tavanapong, Jung-Hwan Oh, Johnny Wong

Proceedings of the AMIA 2006, 2006

2005

Automatic measurement of quality metrics for colonoscopy videos.

Sae Hwang, Jung-Hwan Oh, JeongKyu Lee, Yu Cao, Wallapak Tavanapong, Danyu Liu, Johnny Wong, Piet C. de Groen

Proceedings of the 13th ACM International Conference on Multimedia, 2005

Informative-frame filtering in endoscopy videos.

Yong Hwan An, Sae Hwang, Jung-Hwan Oh, JeongKyu Lee, Wallapak Tavanapong, Piet C. de Groen, Johnny Wong

Proceedings of the Medical Imaging 2005: Image Processing, 2005

Feature Mining for Prediction of Degree of Liver Fibrosis.

Benjamin W. Mayer, Huzefa Rangwala, Rohit Gupta, Jaideep Srivastava, George Karypis, Vipin Kumar, Piet C. de Groen

Proceedings of the AMIA 2005, 2005

2004

Synergy between medical informatics and bioinformatics: facilitating genomic medicine for future health care.

Fernando Martín-Sánchez, Ilias Iakovidis, S. Nørager, Victor Maojo, Piet C. de Groen, Johan van der Lei, T. Jones, Klaus Abraham-Fuchs, Rolf Apweiler, Ankica Babic

J. Biomed. Informatics, 2004

Blurry-frame detection and shot segmentation in colonoscopy videos.

Jung-Hwan Oh, Sae Hwang, Wallapak Tavanapong, Piet C. de Groen, Johnny Wong

Proceedings of the Storage and Retrieval Methods and Applications for Multimedia 2004, 2004

Parsing and browsing tools for colonoscopy videos.

Yu Cao, Dalei Li, Wallapak Tavanapong, Jung-Hwan Oh, Johnny Wong, Piet C. de Groen

Proceedings of the 12th ACM International Conference on Multimedia, 2004

A framework for parsing colonoscopy videos for semantic units.

Yu Cao, Wallapak Tavanapong, Kihwan Kim, Johnny Wong, Jung-Hwan Oh, Piet C. de Groen

Proceedings of the 2004 IEEE International Conference on Multimedia and Expo, 2004

A Visual Model Approach for Parsing Colonoscopy Videos.

Yu Cao, Wallapak Tavanapong, Dalei Li, Jung-Hwan Oh, Piet C. de Groen, Johnny S. Wong

Proceedings of the Image and Video Retrieval: Third International Conference, 2004

2003

Design and implementation of an Internet-based medical image viewing system.

Shawn P. Laird, Johnny S. Wong, William J. Schaller, Bradley James Erickson, Piet C. de Groen

J. Syst. Softw., 2003

Mayo Clinic/IBM Computational Biology Collaboration: A Simple User Interface for Complex Queries.

Piet C. de Groen, Richard Dettinger, Pete Johnson

Proceedings of the Human-Computer Interaction: Universal Access in HCI: Inclusive Design in the Information Society, 2003