Works by Loukas, Constantinos

Results: 31

Prediction of remaining surgery duration based on machine learning methods and laparoscopic annotation data.

Published in:

Biomedical Engineering / Biomedizinische Technik, 2025, v. 70, n. 3, p. 229, doi. 10.1515/bmt-2024-0431

By:

Kostopoulos, Spiros;
Cavouras, Dionisis;
Glotsos, Dimitris;
Loukas, Constantinos

Publication type:

Article

Pulmonary valve replacement in patients with corrected tetralogy of Fallot.

Published in:

Journal of Cardiovascular & Thoracic Research, 2017, v. 9, n. 2, p. 71, doi. 10.15171/jcvtr.2017.12

By:

Mitropoulos, Fotios A.;
Kanakis, Meletios A.;
Ntellos, Christos;
Loukas, Constantinos;
Davlouros, Periklis;
Kousi, Theophili;
Chatzis, Andrew C.

Publication type:

Article

Surgical Gesture Recognition in Laparoscopic Tasks Based on the Transformer Network and Self-Supervised Learning.

Published in:

Bioengineering (Basel), 2022, v. 9, n. 12, p. 737, doi. 10.3390/bioengineering9120737

By:

Gazis, Athanasios;
Karaiskos, Pantelis;
Loukas, Constantinos

Publication type:

Article

Surgical Performance Analysis and Classification Based on Video Annotation of Laparoscopic Tasks.

Published in:

Journal of the Society of Laparoscopic & Robotic Surgeons (JSLS), 2020, v. 24, n. 4, p. 1, doi. 10.4293/JSLS.2020.00057

By:

Loukas, Constantinos;
Gazis, Athanasios;
Kanakis, Meletios A.

Publication type:

Article

Machine Learning Approaches for Evaluating the Progress of Surgical Training on a Virtual Reality Simulator.

Published in:

Applied Sciences (2076-3417), 2024, v. 14, n. 21, p. 9677, doi. 10.3390/app14219677

By:

Prevezanou, Konstantina;
Seimenis, Ioannis;
Karaiskos, Pantelis;
Pikoulis, Emmanouil;
Lykoudis, Panagis M.;
Loukas, Constantinos

Publication type:

Article

A Deep Learning Approach to Upscaling "Low-Quality" MR Images: An In Silico Comparison Study Based on the UNet Framework.

Published in:

Applied Sciences (2076-3417), 2022, v. 12, n. 22, p. 11758, doi. 10.3390/app122211758

By:

Sharma, Rishabh;
Tsiamyrtzis, Panagiotis;
Webb, Andrew G.;
Seimenis, Ioannis;
Loukas, Constantinos;
Leiss, Ernst;
Tsekos, Nikolaos V.

Publication type:

Article

Artificial intelligence in hepatocellular carcinoma diagnosis: a comprehensive review of current literature.

Published in:

Journal of Gastroenterology & Hepatology, 2024, v. 39, n. 10, p. 1994, doi. 10.1111/jgh.16663

By:

Chatzipanagiotou, Odysseas P.;
Loukas, Constantinos;
Vailas, Michail;
Machairas, Nikolaos;
Kykalos, Stylianos;
Charalampopoulos, Georgios;
Filippiadis, Dimitrios;
Felekouras, Evangellos;
Schizas, Dimitrios

Publication type:

Article

A Virtual Reality Simulation Curriculum for Intravenous Cannulation Training.

Published in:

Academic Emergency Medicine, 2010, v. 17, n. 10, p. 1142, doi. 10.1111/j.1553-2712.2010.00876.x

By:

Loukas, Constantinos;
Nikiteas, Nikolaos;
Kanakis, Meletios;
Moutsatsos, Argyris;
Leandros, Emmanuel;
Georgiou, Evangelos

Publication type:

Article

eComment. How trainees perform and develop their skills on the simulator.

Published in:

Interactive Cardiovascular & Thoracic Surgery, 2015, v. 20, n. 1, p. 5, doi. 10.1093/icvts/ivu379

By:

Kanakis, Meletios A.;
Loukas, Constantinos;
Georgiou, Evangelos;
Lioulias, Achilleas

Publication type:

Article

eComment. Coronary anastomosis simulation: assessing surgical dexterity.

Published in:

Interactive Cardiovascular & Thoracic Surgery, 2013, v. 16, n. 6, p. 776, doi. 10.1093/icvts/ivt199

By:

Kanakis, Meletios A.;
Mitropoulos, Fotios A.;
Chatzis, Andrew C.;
Loukas, Constantinos

Publication type:

Article

Video content analysis of surgical procedures.

Published in:

2018

By:

Loukas, Constantinos

Publication type:

journal article

Video analysis in basic skills training: a way to expand the value and use of BlackBox training?

Published in:

2018

By:

Oussi, Ninos;
Loukas, Constantinos;
Kjellin, Ann;
Lahanas, Vasileios;
Georgiou, Konstantinos;
Henningsohn, Lars;
Felländer-Tsai, Li;
Georgiou, Evangelos;
Enochsson, Lars

Publication type:

journal article

Virtual reality-based assessment of basic laparoscopic skills using the Leap Motion controller.

Published in:

2017

By:

Lahanas, Vasileios;
Loukas, Constantinos;
Georgiou, Konstantinos;
Lababidi, Hani;
Al-Jaroudi, Dania

Publication type:

journal article

A simple sensor calibration technique for estimating the 3D pose of endoscopic instruments.

Published in:

2016

By:

Lahanas, Vasileios;
Loukas, Constantinos;
Georgiou, Evangelos

Publication type:

journal article

A novel augmented reality simulator for skills assessment in minimal invasive surgery.

Published in:

Surgical Endoscopy & Other Interventional Techniques, 2015, v. 29, n. 8, p. 2224, doi. 10.1007/s00464-014-3930-y

By:

Lahanas, Vasileios;
Loukas, Constantinos;
Smailis, Nikolaos;
Georgiou, Evangelos

Publication type:

Article

A head-to-head comparison between virtual reality and physical reality simulation training for basic skills acquisition.

Published in:

Surgical Endoscopy & Other Interventional Techniques, 2012, v. 26, n. 9, p. 2550, doi. 10.1007/s00464-012-2230-7

By:

Loukas, Constantinos;
Nikiteas, Nikolaos;
Schizas, Dimitrios;
Lahanas, Vasileios;
Georgiou, Evangelos

Publication type:

Article

Tumor Hypoxia and Blood Vessel Detection.

Published in:

Annals of the New York Academy of Sciences, 2002, v. 980, n. 1, p. 125, doi. 10.1111/j.1749-6632.2002.tb04893.x

By:

LOUKAS, CONSTANTINOS G.;
WILSON, GEORGE D.;
VOJNOVIC, BORIVOJ;
LINNEY, ALF

Publication type:

Article

The role of hand motion connectivity in the performance of laparoscopic procedures on a virtual reality simulator.

Published in:

Medical & Biological Engineering & Computing, 2013, v. 51, n. 8, p. 911, doi. 10.1007/s11517-013-1063-4

By:

Loukas, Constantinos;
Rouseas, Constantinos;
Georgiou, Evangelos

Publication type:

Article

Editorial for "MRI-Based Multiple Instance Convolutional Neural Network (MICNN) for Increased Accuracy in the Differentiation of Borderline and Malignant Epithelial Ovarian Tumors".

Published in:

2022

By:

Loukas, Constantinos;
L. Kelekis, Nikolaos

Publication type:

Editorial

Prediction of remaining surgery duration in laparoscopic videos based on visual saliency and the transformer network.

Published in:

International Journal of Medical Robotics & Computer Assisted Surgery, 2024, v. 20, n. 2, p. 1, doi. 10.1002/rcs.2632

By:

Loukas, Constantinos;
Seimenis, Ioannis;
Prevezanou, Konstantina;
Schizas, Dimitrios

Publication type:

Article

Multiple instance convolutional neural network for gallbladder assessment from laparoscopic images.

Published in:

International Journal of Medical Robotics & Computer Assisted Surgery, 2022, v. 18, n. 6, p. 1, doi. 10.1002/rcs.2445

By:

Loukas, Constantinos;
Gazis, Athanasios;
Schizas, Dimitrios

Publication type:

Article

Multi‐instance multi‐label learning for surgical image annotation.

Published in:

International Journal of Medical Robotics & Computer Assisted Surgery, 2020, v. 16, n. 2, p. 1, doi. 10.1002/rcs.2058

By:

Loukas, Constantinos;
Sgouros, Nicholas P.

Publication type:

Article

An automated skills assessment framework for laparoscopic training tasks.

Published in:

International Journal of Medical Robotics & Computer Assisted Surgery, 2018, v. 14, n. 1, p. 1, doi. 10.1002/rcs.1853

By:

Sgouros, Nicholas P.;
Loukas, Constantinos;
Koufi, Vassiliki;
Troupis, Theodore G.;
Georgiou, Evangelos

Publication type:

Article

Performance comparison of various feature detector-descriptors and temporal models for video-based assessment of laparoscopic skills.

Published in:

International Journal of Medical Robotics & Computer Assisted Surgery, 2016, v. 12, n. 3, p. 387, doi. 10.1002/rcs.1702

By:

Loukas, Constantinos;
Georgiou, Evangelos

Publication type:

Article

Smoke detection in endoscopic surgery videos: a first step towards retrieval of semantic events.

Published in:

International Journal of Medical Robotics & Computer Assisted Surgery, 2015, v. 11, n. 1, p. 80, doi. 10.1002/rcs.1578

By:

Loukas, Constantinos;
Georgiou, Evangelos

Publication type:

Article

An integrated approach to endoscopic instrument tracking for augmented reality applications in surgical simulation training.

Published in:

International Journal of Medical Robotics & Computer Assisted Surgery, 2013, v. 9, n. 4, p. e34, doi. 10.1002/rcs.1485

By:

Loukas, Constantinos;
Lahanas, Vasileios;
Georgiou, Evangelos

Publication type:

Article

Shot boundary detection in endoscopic surgery videos using a variational Bayesian framework.

Published in:

International Journal of Computer Assisted Radiology & Surgery, 2016, v. 11, n. 11, p. 1937, doi. 10.1007/s11548-016-1431-2

By:

Loukas, Constantinos;
Nikiteas, Nikolaos;
Schizas, Dimitrios;
Georgiou, Evangelos

Publication type:

Article

The Effect of Mixed-Task Basic Training in the Acquisition of Advanced Laparoscopic Skills.

Published in:

Surgical Innovation, 2015, v. 22, n. 4, p. 418, doi. 10.1177/1553350614556365

By:

Loukas, Constantinos;
Lahanas, Vasileios;
Kanakis, Meletios;
Georgiou, Evangelos

Publication type:

Article

The Contribution of Simulation Training in Enhancing Key Components of Laparoscopic Competence.

Published in:

American Surgeon, 2011, v. 77, n. 6, p. 708, doi. 10.1177/000313481107700625

By:

LOUKAS, CONSTANTINOS;
NIKITEAS, NIKOLAOS;
KANAKIS, MELETIOS;
GEORGIOU, EVANGELOS

Publication type:

Article

Lung cancer histology classification from CT images based on radiomics and deep learning models.

Published in:

2021

By:

Marentakis, Panagiotis;
Karaiskos, Pantelis;
Kouloulias, Vassilis;
Kelekis, Nikolaos;
Argentos, Stylianos;
Oikonomopoulos, Nikolaos;
Loukas, Constantinos

Publication type:

journal article

The relationship between oscillatory activity and motor reaction time in the parkinsonian subthalamic nucleus.

Published in:

European Journal of Neuroscience, 2005, v. 21, n. 1, p. 249, doi. 10.1111/j.1460-9568.2004.03817.x

By:

Williams, David;
Kühn, Andrea;
Kupsch, Andreas;
Tijssen, Marina;
Van Bruggen, Gerard;
Speelman, Hans;
Hotton, Gary;
Loukas, Constantinos;
Brown, Peter

Publication type:

Article