activity
20222024
most citedDexterous Robotic Manipulation using Deep Reinforcement Learning and Knowledge Transfer for Complex Sparse Reward-based Tasks

17 citations · 36 across the 18 of their papers we have counts for

collaborators

18 papers

cs.CV2024

An accurate detection is not all you need to combat label noise in web-noisy datasets

Paul Albert, Jack Valmadre, Eric Arazo +3

Training a classifier on web-crawled data demands learning algorithms that are robust to annotation errors and irrelevant examples. This paper builds upon the recent empirical obse…

cs.LG2024

Dataset Clustering for Improved Offline Policy Learning

Qiang Wang, Yixin Deng, Francisco Roldan Sanchez +4

Offline policy learning aims to discover decision-making policies from previously-collected datasets without additional online interactions with the environment. As the training da…

cs.CV2023

Learning Saliency From Fixations

Yasser Abdelaziz Dahou Djilali, Kevin McGuiness, Noel O'Connor

We present a novel approach for saliency prediction in images, leveraging parallel decoding in transformers to learn saliency solely from fixation maps. Models typically rely on co…

cs.RO2023

Learning and reusing primitive behaviours to improve Hindsight Experience Replay sample efficiency

Francisco Roldan Sanchez, Qiang Wang, David Cordova Bulens +3

Hindsight Experience Replay (HER) is a technique used in reinforcement learning (RL) that has proven to be very efficient for training off-policy RL-based agents to solve goal-base…

cs.CV2023

Video Anomaly Detection via Spatio-Temporal Pseudo-Anomaly Generation : A Unified Approach

Ayush K. Rai, Tarun Krishna, Feiyan Hu +4

Video Anomaly Detection (VAD) is an open-set recognition task, which is usually formulated as a one-class classification (OCC) problem, where training data is comprised of videos w…

cs.CV2023

Enhancing CLIP with GPT-4: Harnessing Visual Descriptions as Prompts

Mayug Maniparambil, Chris Vorster, Derek Molloy +3

Contrastive pretrained large Vision-Language Models (VLMs) like CLIP have revolutionized visual representation learning by providing good performance on downstream datasets. VLMs a…

cs.CV2023

Self-Supervised and Semi-Supervised Polyp Segmentation using Synthetic Data

Enric Moreu, Eric Arazo, Kevin McGuinness +1

Early detection of colorectal polyps is of utmost importance for their treatment and for colorectal cancer prevention. Computer vision techniques have the potential to aid professi…

cs.CV2023★ 7 cited

Joint one-sided synthetic unpaired image translation and segmentation for colorectal cancer prevention

Enric Moreu, Eric Arazo, Kevin McGuinness +1

Deep learning has shown excellent performance in analysing medical images. However, datasets are difficult to obtain due privacy issues, standardization problems, and lack of annot…

eess.IV2023★ 2 cited

An Ensemble Deep Learning Approach for COVID-19 Severity Prediction Using Chest CT Scans

Sidra Aleem, Mayug Maniparambil, Suzanne Little +2

Chest X-rays have been widely used for COVID-19 screening; however, 3D computed tomography (CT) is a more effective modality. We present our findings on COVID-19 severity predictio…

cs.LG2023

Improving Behavioural Cloning with Positive Unlabeled Learning

Qiang Wang, Robert McCarthy, David Cordova Bulens +6

Learning control policies offline from pre-recorded datasets is a promising avenue for solving challenging real-world problems. However, available datasets are typically of mixed q…

cs.LG2023

Unifying Synergies between Self-supervised Learning and Dynamic Computation

Tarun Krishna, Ayush K Rai, Alexandru Drimbarean +5

Computationally expensive training strategies make self-supervised learning (SSL) impractical for resource constrained industrial settings. Techniques like knowledge distillation (…

cs.RO2022

Hierarchical reinforcement learning for in-hand robotic manipulation using Davenport chained rotations

Francisco Roldan Sanchez, Qiang Wang, David Cordova Bulens +3

End-to-end reinforcement learning techniques are among the most successful methods for robotic manipulation tasks. However, the training time required to find a good policy capable…

cs.CV2022★ 4 cited

Is your noise correction noisy? PLS: Robustness to label noise with two stage detection

Paul Albert, Eric Arazo, Tarun Krishna +2

Designing robust algorithms capable of training accurate neural networks on uncurated datasets from the web has been the subject of much research as it reduces the need for time co…

cs.CV2022

Motion Aware Self-Supervision for Generic Event Boundary Detection

Ayush K. Rai, Tarun Krishna, Julia Dietlmeier +3

The task of Generic Event Boundary Detection (GEBD) aims to detect moments in videos that are naturally perceived by humans as generic and taxonomy-free event boundaries. Modeling…

cs.CV2022★ 6 cited

BaseTransformers: Attention over base data-points for One Shot Learning

Mayug Maniparambil, Kevin McGuinness, Noel O'Connor

Few shot classification aims to learn to recognize novel categories using only limited samples per category. Most current few shot methods use a base dataset rich in labeled exampl…

cs.RO2022

Towards advanced robotic manipulation

Francisco Roldan Sanchez, Stephen Redmond, Kevin McGuinness +1

Robotic manipulation and control has increased in importance in recent years. However, state of the art techniques still have limitations when required to operate in real world app…

eess.IV2022

Cardiac Segmentation using Transfer Learning under Respiratory Motion Artifacts

Carles Garcia-Cabrera, Eric Arazo, Kathleen M. Curran +2

Methods that are resilient to artifacts in the cardiac magnetic resonance imaging (MRI) while performing ventricle segmentation, are crucial for ensuring quality in structural and…

cs.RO2022★ 17 cited

Dexterous Robotic Manipulation using Deep Reinforcement Learning and Knowledge Transfer for Complex Sparse Reward-based Tasks

Qiang Wang, Francisco Roldan Sanchez, Robert McCarthy +7

This paper describes a deep reinforcement learning (DRL) approach that won Phase 1 of the Real Robot Challenge (RRC) 2021, and then extends this method to a more difficult manipula…