no code implementations • SLTAT (LREC) 2022 • Athanasia-Lida Dimou, Vassilis Papavassiliou, John McDonald, Theodore Goulas, Kyriaki Vasilaki, Anna Vacalopoulou, Stavroula-Evita Fotinea, Eleni Efthimiou, Rosalee Wolfe
One major goal of the project is the direct involvement of sign language (SL) users at every stage of development of the project’s signing avatar.
no code implementations • SLTAT (LREC) 2022 • John McDonald, Ronan Johnson, Rosalee Wolfe
An avatar that produces legible, easy-to-understand signing is one of the essential components to an effective automatic signed/spoken translation system.
no code implementations • SLTAT (LREC) 2022 • Rosalee Wolfe, John McDonald, Ronan Johnson, Ben Sturr, Syd Klinghoffer, Anthony Bonzani, Andrew Alexander, Nicole Barnekow
This paper describes efforts to improve avatar mouthing by addressing these challenges, resulting in a new approach for mouthing animation.
no code implementations • SignLang (LREC) 2022 • Michael Filhol, John McDonald
One of the key features of signed discourse is the geometric placements of gestural units in signing space.
1 code implementation • 7 Apr 2024 • Saravanabalagi Ramachandran, Jonathan Horgan, Ganesh Sistu, John McDonald
Based on our empirical analysis of multiple runs, we identify that continuity and distinctiveness are crucial characteristics for an optimal global descriptor that enable efficient and scalable hierarchical mapping, and present a methodology for quantifying and contrasting these characteristics across different global descriptors.
no code implementations • 31 Dec 2023 • Saravanabalagi Ramachandran, Nathaniel Cibik, Ganesh Sistu, John McDonald
Motion segmentation is a complex yet indispensable task in autonomous driving.
no code implementations • 26 Oct 2022 • Saravanabalagi Ramachandran, Jonathan Horgan, Ganesh Sistu, John McDonald
We train a Variational Autoencoder in an unsupervised manner and map images to a constrained multi-dimensional latent space and use the latent vectors as compact embeddings that serve as global descriptors for images.
no code implementations • 21 Sep 2022 • Anna Konrad, John McDonald, Rudi Villing
We present the Grasp Proposal Network (GP-net), a Convolutional Neural Network model which can generate 6-DoF grasps from flexible viewpoints, e. g. as experienced by mobile manipulators.
no code implementations • 26 Jun 2022 • Saravanabalagi Ramachandran, Ganesh Sistu, Varun Ravi Kumar, John McDonald, Senthil Yogamani
Object detection is a comprehensively studied problem in autonomous driving.
1 code implementation • 31 May 2022 • Pramit Dutta, Ganesh Sistu, Senthil Yogamani, Edgar Galván, John McDonald
In this paper, we evaluate the use of vision transformers (ViT) as a backbone architecture to generate BEV maps.
no code implementations • 16 Nov 2021 • Ciaran Eising, Leroy-Francisco Pereira, Jonathan Horgan, Anbuchezhiyan Selvaraju, John McDonald, Paul Moran
We show, by experimental results with a DGPS/IMU reference, that this model provides highly accurate odometry estimates, compared with existing methods.
no code implementations • 17 Jul 2021 • Saravanabalagi Ramachandran, Ganesh Sistu, John McDonald, Senthil Yogamani
This challenge served as a medium to investigate the challenges and new methodologies to handle the complexities with perception on fisheye images.
1 code implementation • 15 Jul 2021 • Saravanabalagi Ramachandran, John McDonald
OdoViz is a reactive web-based tool for 3D visualization and processing of autonomous vehicle datasets designed to support common tasks in visual place recognition research.
no code implementations • 6 May 2021 • Paul Moran, Leroy-Francisco Periera, Anbuchezhiyan Selvaraju, Tejash Prakash, Pantelis Ermilios, John McDonald, Jonathan Horgan, Ciarán Eising
This paper proposes a method to estimate the pose of a sensor mounted on a vehicle as the vehicle moves through the world, an important topic for autonomous driving systems.
no code implementations • 26 Apr 2021 • Markus Heimberger, Jonathan Horgan, Ciaran Hughes, John McDonald, Senthil Yogamani
In this paper, we discuss the design and implementation of an automated parking system from the perspective of computer vision algorithms.
no code implementations • 26 Apr 2021 • Jonathan Horgan, Ciarán Hughes, John McDonald, Senthil Yogamani
Vision-based driver assistance systems is one of the rapidly growing research areas of ITS, due to various factors such as the increased level of safety requirements in automotive, computational power in embedded systems, and desire to get closer to autonomous driving.
no code implementations • 27 Feb 2021 • Anna Konrad, Ciarán Eising, Ganesh Sistu, John McDonald, Rudi Villing, Senthil Yogamani
Keypoint detection and description is a commonly used building block in computer vision systems particularly for robotics and autonomous driving.
no code implementations • LREC 2014 • Rosalee Wolfe, John McDonald, Larwan Berke, Marie Stumbo
Corpus analysis is a powerful tool for signed language synthesis.
no code implementations • 29 Aug 2013 • Karim Hammoudi, Fadi Dornaika, Bahman Soheilian, Bruno Vallet, John McDonald, Nicolas Paparoditis
In this paper we present a practical approach for generating an occlusion-free textured 3D map of urban facades by the synergistic use of terrestrial images, 3D point clouds and area-based information.