Vassilios Morellas

According to our database, Vassilios Morellas authored at least 59 papers between 1991 and 2022.

Collaborative distances:

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

2022

Robotic Embodiment of Human-Like Motor Skills via Reinforcement Learning.

Luis Guzman, Vassilios Morellas, Nikolaos Papanikolopoulos

IEEE Robotics Autom. Lett., 2022

Learning Log-Determinant Divergences for Positive Definite Matrices.

Anoop Cherian, Panagiotis Stanitsas, Jue Wang, Mehrtash Harandi, Vassilios Morellas, Nikolaos Papanikolopoulos

IEEE Trans. Pattern Anal. Mach. Intell., 2022

2021

A Methodology for the Detection of Nitrogen Deficiency in Corn Fields Using High-Resolution RGB Imagery.

Dimitris Zermas, Henry J. Nelson, Panagiotis Stanitsas, Vassilios Morellas, David J. Mulla, Nikos Papanikolopoulos

IEEE Trans Autom. Sci. Eng., 2021

2020

Image Descriptors for Weakly Annotated Histopathological Breast Cancer Data.

Panagiotis Stanitsas, Anoop Cherian, Vassilios Morellas, Resha Tejpaul, Nikolaos Papanikolopoulos, Alexander Truskinovsky

Frontiers Digit. Health, 2020

The Use of Immersive Environments for the Early Detection and Treatment of Neuropsychiatric Disorders.

Robert F. K. Martin, Patrick Leppink-Shands, Matthew Tlachac, Megan DuBois, Christine Conelea, Suma Jacob, Vassilios Morellas, Theodore Morris, Nikolaos Papanikolopoulos

Frontiers Digit. Health, 2020

3D model processing for high throughput phenotype extraction - the case of corn.

Dimitris Zermas, Vassilios Morellas, David J. Mulla, Nikos Papanikolopoulos

Comput. Electron. Agric., 2020

2018

Toward identifying behavioral risk markers for mental health disorders: an assistive system for monitoring children's movements in a preschool classroom.

Nicholas Walczak, Joshua Fasching, Kathryn Cullen, Vassilios Morellas, Nikolaos Papanikolopoulos

Mach. Vis. Appl., 2018

Extracting Phenotypic Characteristics of Corn Crops Through the Use of Reconstructed 3D Models.

Dimitris Zermas, Vassilios Morellas, David J. Mulla, Nikolaos Papanikolopoulos

Proceedings of the 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2018

2017

Learning Discriminative Alpha-Beta-divergence for Positive Definite Matrices (Extended Version).

Anoop Cherian, Panagiotis Stanitsas, Mehrtash Harandi, Vassilios Morellas, Nikolaos Papanikolopoulos

CoRR, 2017

A Web-Based Platform for Distributed Annotation of Computerized Tomography Scans.

Nicholas Heller, Panagiotis Stanitsas, Vassilios Morellas, Nikolaos Papanikolopoulos

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

Estimating the Leaf Area Index of crops through the evaluation of 3D models.

Dimitris Zermas, Vassilios Morellas, David J. Mulla, Nikolaos Papanikolopoulos

Proceedings of the 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2017

Active convolutional neural networks for cancerous tissue recognition.

Panagiotis Stanitsas, Anoop Cherian, Alexander Truskinovsky, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 2017 IEEE International Conference on Image Processing, 2017

Clustering Positive Definite Matrices by Learning Information Divergences.

Panagiotis Stanitsas, Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 2017 IEEE International Conference on Computer Vision Workshops, 2017

Learning Discriminative αβ-Divergences for Positive Definite Matrices.

Anoop Cherian, Panagiotis Stanitsas, Mehrtash Harandi, Vassilios Morellas, Nikos Papanikolopoulos

Proceedings of the IEEE International Conference on Computer Vision, 2017

2016

Bayesian Nonparametric Clustering for Positive Definite Matrices.

Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos

IEEE Trans. Pattern Anal. Mach. Intell., 2016

Exploring video descriptions for handwashing activities as part of an obsessive-compulsive disorder study.

Joshua Fasching, Nicholas Walczak, Tasoulla Hadjiyanni, Gail A. Bernstein, Kathryn Cullen, Mackenzie Mikkelsen, Nathan Studanski, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 24th Mediterranean Conference on Control and Automation, 2016

Active Constrained Clustering via non-iterative uncertainty sampling.

Panagiotis Stanitsas, Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 2016 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2016

Automated coding of activity videos from an OCD study.

Joshua Fasching, Nicholas Walczak, Gail A. Bernstein, Tasoulla Hadjiyanni, Kathryn Cullen, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 2016 IEEE International Conference on Robotics and Automation, 2016

Evaluation of feature descriptors for cancerous tissue recognition.

Panagiotis Stanitsas, Anoop Cherian, Xinyan Li, Alexander Truskinovsky, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 23rd International Conference on Pattern Recognition, 2016

2015

Tensor Dictionary Learning for Positive Definite Matrices.

Ravishankar Sivalingam, Daniel Boley, Vassilios Morellas, Nikolaos Papanikolopoulos

IEEE Trans. Image Process., 2015

Automation solutions for the evaluation of plant health in corn fields.

Dimitris Zermas, Da Teng, Panagiotis Stanitsas, Michael Bazakos, Daniel Kaiser, Vassilios Morellas, David J. Mulla, Nikolaos Papanikolopoulos

Proceedings of the 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2015

Classification of motor stereotypies in video.

Joshua Fasching, Nicholas Walczak, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2015

2014

Efficient Nearest Neighbors via Robust Sparse Hashing.

Anoop Cherian, Suvrit Sra, Vassilios Morellas, Nikolaos Papanikolopoulos

IEEE Trans. Image Process., 2014

Tensor Sparse Coding for Positive Definite Matrices.

Ravishankar Sivalingam, Daniel Boley, Vassilios Morellas, Nikolaos Papanikolopoulos

IEEE Trans. Pattern Anal. Mach. Intell., 2014

Action recognition using global spatio-temporal features derived from sparse representations.

Guruprasad Somasundaram, Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos

Comput. Vis. Image Underst., 2014

An automated system for persistent real-time truck parking detection and information dissemination.

Doug J. Cook, Ted Morris, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 2014 IEEE International Conference on Robotics and Automation, 2014

2013

Classification and Counting of Composite Objects in Traffic Scenes Using Global and Local Image Analysis.

Guruprasad Somasundaram, Ravishankar Sivalingam, Vassilios Morellas, Nikolaos Papanikolopoulos

IEEE Trans. Intell. Transp. Syst., 2013

Video Human Segmentation using Fuzzy Object Models and its Application to Body Pose Estimation of Toddlers for Behavior Studies.

Thiago Vallin Spina, Mariano Tepper, Amy Esler, Vassilios Morellas, Nikolaos Papanikolopoulos, Alexandre X. Falcão, Guillermo Sapiro

CoRR, 2013

Locating occupants in preschool classrooms using a multiple RGB-D sensor system.

Nicholas Walczak, Joshua Fasching, William D. Toczyski, Vassilios Morellas, Guillermo Sapiro, Nikolaos Papanikolopoulos

Proceedings of the 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2013

Recognition of ballet micro-movements for use in choreography.

Justin Dancs, Ravishankar Sivalingam, Guruprasad Somasundaram, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2013

2012

Computer vision tools for the non-invasive assessment of autism-related behavioral markers

Jordan Hashemi, Thiago Vallin Spina, Mariano Tepper, Amy Esler, Vassilios Morellas, Nikolaos Papanikolopoulos, Guillermo Sapiro

CoRR, 2012

A nonintrusive system for behavioral analysis of children using multiple RGB+depth sensors.

Nicholas Walczak, Joshua Fasching, William D. Toczyski, Ravishankar Sivalingam, Nathaniel D. Bird, Kathryn Cullen, Vassilios Morellas, Barbara Murphy, Guillermo Sapiro, Nikolaos Papanikolopoulos

Proceedings of the IEEE Workshop on Applications of Computer Vision, 2012

Detecting risk-markers in children in a preschool classroom.

Joshua Fasching, Nicholas Walczak, Ravishankar Sivalingam, Kathryn Cullen, Barbara Murphy, Guillermo Sapiro, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

Sparse representation of point trajectories for action classification.

Ravishankar Sivalingam, Guruprasad Somasundaram, Vineet Bhatawadekar, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the IEEE International Conference on Robotics and Automation, 2012

A multi-sensor visual tracking system for behavior monitoring of at-risk children.

Ravishankar Sivalingam, Anoop Cherian, Joshua Fasching, Nicholas Walczak, Nathaniel D. Bird, Vassilios Morellas, Barbara Murphy, Kathryn Cullen, Kelvin O. Lim, Guillermo Sapiro, Nikolaos Papanikolopoulos

Proceedings of the IEEE International Conference on Robotics and Automation, 2012

Compact covariance descriptors in 3D point clouds for object recognition.

Duc Fehr, Anoop Cherian, Ravishankar Sivalingam, Sam Nickolay, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the IEEE International Conference on Robotics and Automation, 2012

Object classification with efficient global self-similarity descriptors based on sparse representations.

Guruprasad Somasundaram, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 19th IEEE International Conference on Image Processing, 2012

Robust Sparse Hashing.

Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 19th IEEE International Conference on Image Processing, 2012

A computer vision approach for the assessment of autism-related behavioral markers.

Jordan Hashemi, Thiago Vallin Spina, Mariano Tepper, Amy Esler, Vassilios Morellas, Nikolaos Papanikolopoulos, Guillermo Sapiro

Proceedings of the 2012 IEEE International Conference on Development and Learning and Epigenetic Robotics, 2012

2011

Positive definite dictionary learning for region covariances.

Ravishankar Sivalingam, Daniel Boley, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the IEEE International Conference on Computer Vision, 2011

A dynamic sensor placement algorithm for dense sampling.

Vineet Bhatawadekar, Duc Fehr, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 14th International Conference on Information Fusion, 2011

Dirichlet process mixture models on symmetric positive definite matrices for appearance clustering in video surveillance applications.

Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos, Saad Bedros

Proceedings of the 24th IEEE Conference on Computer Vision and Pattern Recognition, 2011

2010

Human motion patterns from single camera cues for medical applications.

Evan Ribnick, Vassilios Morellas, Nikos Papanikolopoulos

Proceedings of the IEEE International Conference on Robotics and Automation, 2010

Dictionary learning based object detection and counting in traffic scenes.

Ravishankar Sivalingam, Guruprasad Somasundaram, Vassilios Morellas, Nikolaos Papanikolopoulos, Osama A. Lotfallah, Youngchoon Park

Proceedings of the 2010 Fourth ACM/IEEE International Conference on Distributed Smart Cameras, Atlanta, GA, USA - August 31, 2010

Tensor Sparse Coding for Region Covariances.

Ravishankar Sivalingam, Daniel Boley, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the Computer Vision, 2010

Motion estimation of a miniature helicopter using a single onboard camera.

Anoop Cherian, Jonathan Andersh, Vassilios Morellas, Bernard Mettler, Nikos Papanikolopoulos

Proceedings of the American Control Conference, 2010

2009

Counting pedestrians and bicycles in traffic scenes.

Guruprasad Somasundaram, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 12th International IEEE Conference on Intelligent Transportation Systems, 2009

Autonomous altitude estimation of a UAV using a single onboard camera.

Anoop Cherian, Jonathan Andersh, Vassilios Morellas, Nikolaos Papanikolopoulos, Bernard Mettler

Proceedings of the 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009

Accurate 3D ground plane estimation from a single image.

Anoop Cherian, Vassilios Morellas, Nikolaos Papanikolopoulos

Proceedings of the 2009 IEEE International Conference on Robotics and Automation, 2009

Metric learning for semi-supervised clustering of Region Covariance Descriptors.

Ravishankar Sivalingam, Vassilios Morellas, Daniel Boley, Nikolaos Papanikolopoulos

Proceedings of the Third ACM/IEEE International Conference on Distributed Smart Cameras, 2009

Counting People in Groups.

Duc Fehr, Ravishankar Sivalingam, Vassilios Morellas, Nikolaos Papanikolopoulos, Osama A. Lotfallah, Youngchoon Park

Proceedings of the Sixth IEEE International Conference on Advanced Video and Signal Based Surveillance, 2009

2008

Robust Foreground Detection In Video Using Pixel Layers.

Kedar A. Patwardhan, Guillermo Sapiro, Vassilios Morellas

IEEE Trans. Pattern Anal. Mach. Intell., 2008

2007

A Graph-Based Foreground Representation and its Application in Example Based People Matching in Video.

Kedar A. Patwardhan, Guillermo Sapiro, Vassilios Morellas

Proceedings of the International Conference on Image Processing, 2007

2003

DETER: Detection of events for threat evaluation and recognition.

Vassilios Morellas, Ioannis T. Pavlidis, Panagiotis Tsiamyrtzis

Mach. Vis. Appl., 2003

2001

Urban surveillance systems: from the laboratory to the commercial world.

Ioannis T. Pavlidis, Vassilios Morellas, Panagiotis Tsiamyrtzis, Steve Harp

Proc. IEEE, 2001

2000

A vehicle occupant counting system based on near-infrared phenomenology and fuzzy neural classification.

Ioannis T. Pavlidis, Vassilios Morellas, Nikolaos Papanikolopoulos

IEEE Trans. Intell. Transp. Syst., 2000

1995

Implementation of real time spatial mapping in robotic systems through self-organizing neural networks.

Vassilios Morellas, Jon Minners, Max Donath

Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems, 1995

1993

Automated process planning: reasoning from first principles based on geometric relation constraints.

Cornelius Nevrinceanu, Vassilios Morellas, Max Donath

Artif. Intell. Eng. Des. Anal. Manuf., 1993

1991

Neural network learning of the inverse kinematic relationships for a robot arm.

Stuart Kieffer, Vassilios Morellas, Max Donath

Proceedings of the 1991 IEEE International Conference on Robotics and Automation, 1991