Neural network learning of the inverse kinematic relationships for a robot arm. - Stuart Kieffer; Vassilios Morellas; Max Donath (ICRA, 1991)

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)

Implementation of real time spatial mapping in robotic systems through self-organizing neural networks. - Vassilios Morellas; Jon Minners; Max Donath (IROS (1), 1995)

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)

Urban surveillance systems: from the laboratory to the commercial world. - Ioannis T. Pavlidis; Vassilios Morellas; Panagiotis Tsiamyrtzis; Steve Harp (Proc. IEEE, 2001)

DETER: Detection of events for threat evaluation and recognition. - Vassilios Morellas; Ioannis T. Pavlidis; Panagiotis Tsiamyrtzis (Mach. Vis. Appl., 2003)

A Graph-Based Foreground Representation and its Application in Example Based People Matching in Video. - Kedar A. Patwardhan; Guillermo Sapiro; Vassilios Morellas (ICIP (5), 2007)

Robust Foreground Detection In Video Using Pixel Layers. - Kedar A. Patwardhan; Guillermo Sapiro; Vassilios Morellas (IEEE Trans. Pattern Anal. Mach. Intell., 2008)

Counting People in Groups. - Duc Fehr; Ravishankar Sivalingam; Vassilios Morellas; Nikolaos Papanikolopoulos; Osama A. Lotfallah; Youngchoon Park (AVSS, 2009)

Metric learning for semi-supervised clustering of Region Covariance Descriptors. - Ravishankar Sivalingam; Vassilios Morellas; Daniel Boley; Nikolaos Papanikolopoulos (ICDSC, 2009)

Accurate 3D ground plane estimation from a single image. - Anoop Cherian; Vassilios Morellas; Nikolaos Papanikolopoulos (ICRA, 2009)

Autonomous altitude estimation of a UAV using a single onboard camera. - Anoop Cherian; Jonathan Andersh; Vassilios Morellas; Nikolaos Papanikolopoulos; Bernard Mettler (IROS, 2009)

Counting pedestrians and bicycles in traffic scenes. - Guruprasad Somasundaram; Vassilios Morellas; Nikolaos Papanikolopoulos (ITSC, 2009)

Motion estimation of a miniature helicopter using a single onboard camera. - Anoop Cherian; Jonathan Andersh; Vassilios Morellas; Bernard Mettler; Nikos Papanikolopoulos (ACC, 2010)

Tensor Sparse Coding for Region Covariances. - Ravishankar Sivalingam; Daniel Boley; Vassilios Morellas; Nikolaos Papanikolopoulos (ECCV (4), 2010)

Dictionary learning based object detection and counting in traffic scenes. - Ravishankar Sivalingam; Guruprasad Somasundaram; Vassilios Morellas; Nikolaos Papanikolopoulos; Osama A. Lotfallah; Youngchoon Park (ICDSC, 2010)

Human motion patterns from single camera cues for medical applications. - Evan Ribnick; Vassilios Morellas; Nikos Papanikolopoulos (ICRA, 2010)

Dirichlet process mixture models on symmetric positive definite matrices for appearance clustering in video surveillance applications. - Anoop Cherian; Vassilios Morellas; Nikolaos Papanikolopoulos; Saad Bedros (CVPR, 2011)

A dynamic sensor placement algorithm for dense sampling. - Vineet Bhatawadekar; Duc Fehr; Vassilios Morellas; Nikolaos Papanikolopoulos (FUSION, 2011)

Positive definite dictionary learning for region covariances. - Ravishankar Sivalingam; Daniel Boley; Vassilios Morellas; Nikolaos Papanikolopoulos (ICCV, 2011)

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 (ICDL-EPIROB, 2012)

Robust Sparse Hashing. - Anoop Cherian; Vassilios Morellas; Nikolaos Papanikolopoulos (ICIP, 2012)

Object classification with efficient global self-similarity descriptors based on sparse representations. - Guruprasad Somasundaram; Vassilios Morellas; Nikolaos Papanikolopoulos (ICIP, 2012)

Compact covariance descriptors in 3D point clouds for object recognition. - Duc Fehr; Anoop Cherian; Ravishankar Sivalingam; Sam Nickolay; Vassilios Morellas; Nikolaos Papanikolopoulos (ICRA, 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 (ICRA, 2012)

Sparse representation of point trajectories for action classification. - Ravishankar Sivalingam; Guruprasad Somasundaram; Vineet Bhatawadekar; Vassilios Morellas; Nikolaos Papanikolopoulos (ICRA, 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 (IROS, 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 (WACV, 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)

Recognition of ballet micro-movements for use in choreography. - Justin Dancs; Ravishankar Sivalingam; Guruprasad Somasundaram; Vassilios Morellas; Nikolaos Papanikolopoulos (IROS, 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 (IROS, 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)

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)

An automated system for persistent real-time truck parking detection and information dissemination. - Doug J. Cook; Ted Morris; Vassilios Morellas; Nikolaos Papanikolopoulos (ICRA, 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)

Tensor Sparse Coding for Positive Definite Matrices. - Ravishankar Sivalingam; Daniel Boley; Vassilios Morellas; Nikolaos Papanikolopoulos (IEEE Trans. Pattern Anal. Mach. Intell., 2014)

Efficient Nearest Neighbors via Robust Sparse Hashing. - Anoop Cherian; Suvrit Sra; Vassilios Morellas; Nikolaos Papanikolopoulos (IEEE Trans. Image Process., 2014)

Classification of motor stereotypies in video. - Joshua Fasching; Nicholas Walczak; Vassilios Morellas; Nikolaos Papanikolopoulos (IROS, 2015)

Automation solutions for the evaluation of plant health in corn fields. - Dimitris Zermas; Da Teng; Panagiotis Stanitsas; Michael Bazakos; Daniel Kaiser 003; Vassilios Morellas; David J. Mulla; Nikolaos Papanikolopoulos (IROS, 2015)

Tensor Dictionary Learning for Positive Definite Matrices. - Ravishankar Sivalingam; Daniel Boley; Vassilios Morellas; Nikolaos Papanikolopoulos (IEEE Trans. Image Process., 2015)

Evaluation of feature descriptors for cancerous tissue recognition. - Panagiotis Stanitsas; Anoop Cherian; Xinyan Li; Alexander Truskinovsky; Vassilios Morellas; Nikolaos Papanikolopoulos (ICPR, 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 (ICRA, 2016)

Active Constrained Clustering via non-iterative uncertainty sampling. - Panagiotis Stanitsas; Anoop Cherian; Vassilios Morellas; Nikolaos Papanikolopoulos (IROS, 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 (MED, 2016)

Bayesian Nonparametric Clustering for Positive Definite Matrices. - Anoop Cherian; Vassilios Morellas; Nikolaos Papanikolopoulos (IEEE Trans. Pattern Anal. Mach. Intell., 2016)

Learning Discriminative αβ-Divergences for Positive Definite Matrices. - Anoop Cherian; Panagiotis Stanitsas; Mehrtash Harandi; Vassilios Morellas; Nikos Papanikolopoulos (ICCV, 2017)

Clustering Positive Definite Matrices by Learning Information Divergences. - Panagiotis Stanitsas; Anoop Cherian; Vassilios Morellas; Nikolaos Papanikolopoulos (ICCV Workshops, 2017)

Active convolutional neural networks for cancerous tissue recognition. - Panagiotis Stanitsas; Anoop Cherian; Alexander Truskinovsky; Vassilios Morellas; Nikolaos Papanikolopoulos (ICIP, 2017)

Estimating the Leaf Area Index of crops through the evaluation of 3D models. - Dimitris Zermas; Vassilios Morellas; David J. Mulla; Nikolaos Papanikolopoulos (IROS, 2017)

A Web-Based Platform for Distributed Annotation of Computerized Tomography Scans. - Nicholas Heller; Panagiotis Stanitsas; Vassilios Morellas; Nikolaos Papanikolopoulos (CVII-STENT/LABELS@MICCAI, 2017)

Learning Discriminative Alpha-Beta-divergence for Positive Definite Matrices (Extended Version). - Anoop Cherian; Panagiotis Stanitsas; Mehrtash Harandi; Vassilios Morellas; Nikolaos Papanikolopoulos (CoRR, 2017)

Extracting Phenotypic Characteristics of Corn Crops Through the Use of Reconstructed 3D Models. - Dimitris Zermas; Vassilios Morellas; David J. Mulla; Nikolaos Papanikolopoulos (IROS, 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)

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)

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)

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)

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)

Learning Log-Determinant Divergences for Positive Definite Matrices. - Anoop Cherian; Panagiotis Stanitsas; Jue Wang 010; Mehrtash Harandi; Vassilios Morellas; Nikolaos Papanikolopoulos (IEEE Trans. Pattern Anal. Mach. Intell., 2022)

Robotic Embodiment of Human-Like Motor Skills via Reinforcement Learning. - Luis Guzman; Vassilios Morellas; Nikolaos Papanikolopoulos (IEEE Robotics Autom. Lett., 2022)

From Human Hands to Robotic Limbs: A Study in Motor Skill Embodiment for Telemanipulation. - Haoyi Shi; Mingxi Su; Ted Morris; Vassilios Morellas; Nikolaos Papanikolopoulos (CoRR, 2025)