activity
20182023
most citedOnline Fall Detection using Recurrent Neural Networks

90 citations · 104 across the 21 of their papers we have counts for

collaborators

26 papers

cs.RO2023

Doppler-aware Odometry from FMCW Scanning Radar

Fraser Rennie, David Williams, Paul Newman +1

This work explores Doppler information from a millimetre-Wave (mm-W) Frequency-Modulated Continuous-Wave (FMCW) scanning radar to make odometry estimation more robust and accurate.…

cs.LG2023

Semantic Interpretation and Validation of Graph Attention-based Explanations for GNN Models

Efimia Panagiotaki, Daniele De Martini, Lars Kunze

In this work, we propose a methodology for investigating the use of semantic attention to enhance the explainability of Graph Neural Network (GNN)-based models. Graph Deep Learning…

cs.RO2023

SEM-GAT: Explainable Semantic Pose Estimation using Learned Graph Attention

Efimia Panagiotaki, Daniele De Martini, Georgi Pramatarov +2

This paper proposes a Graph Neural Network(GNN)-based method for exploiting semantics and local geometry to guide the identification of reliable pointcloud registration candidates.…

cs.RO2023

Visual Servoing on Wheels: Robust Robot Orientation Estimation in Remote Viewpoint Control

Luke Robinson, Daniele De Martini, Matthew Gadd +1

This work proposes a fast deployment pipeline for visually-servoed robots which does not assume anything about either the robot - e.g. sizes, colour or the presence of markers - or…

cs.RO2023

Roll-Drop: accounting for observation noise with a single parameter

Luigi Campanaro, Daniele De Martini, Siddhant Gangapurwala +2

This paper proposes a simple strategy for sim-to-real in Deep-Reinforcement Learning (DRL) -- called Roll-Drop -- that uses dropout during simulation to account for observation noi…

cs.CV2023★ 1 cited

Visual DNA: Representing and Comparing Images using Distributions of Neuron Activations

Benjamin Ramtoula, Matthew Gadd, Paul Newman +1

Selecting appropriate datasets is critical in modern computer vision. However, no general-purpose tools exist to evaluate the extent to which two datasets differ. For this, we prop…

cs.CV2023

Explainable Action Prediction through Self-Supervision on Scene Graphs

Pawit Kochakarn, Daniele De Martini, Daniel Omeiza +1

This work explores scene graphs as a distilled representation of high-level information for autonomous driving, applied to future driver-action prediction. Given the scarcity and s…

cs.RO2022★ 4 cited

Sampling, Communication, and Prediction Co-Design for Synchronizing the Real-World Device and Digital Model in Metaverse

Zhen Meng, Changyang She, Guodong Zhao +1

The metaverse has the potential to revolutionize the next generation of the Internet by supporting highly interactive services with the help of Mixed Reality (MR) technologies; sti…

cs.CV2022

BoxGraph: Semantic Place Recognition and Pose Estimation from 3D LiDAR

Georgi Pramatarov, Daniele De Martini, Matthew Gadd +1

This paper is about extremely robust and lightweight localisation using LiDAR point clouds based on instance segmentation and graph matching. We model 3D point clouds as fully-conn…

cs.RO2022

What Goes Around: Leveraging a Constant-curvature Motion Constraint in Radar Odometry

Roberto Aldera, Matthew Gadd, Daniele De Martini +1

This paper presents a method that leverages vehicle motion constraints to refine data associations in a point-based radar odometry system. By using the strong prior on how a non-ho…

cs.CV2022

Depth-SIMS: Semi-Parametric Image and Depth Synthesis

Valentina Musat, Daniele De Martini, Matthew Gadd +1

In this paper we present a compositing image synthesis method that generates RGB canvases with well aligned segmentation maps and sparse depth maps, coupled with an in-painting net…

cs.RO2022★ 1 cited

Fast-MbyM: Leveraging Translational Invariance of the Fourier Transform for Efficient and Accurate Radar Odometry

Robert Weston, Matthew Gadd, Daniele De Martini +2

Masking By Moving (MByM), provides robust and accurate radar odometry measurements through an exhaustive correlative search across discretised pose candidates. However, this dense…

cs.LG2021★ 2 cited

Unsupervised Change Detection of Extreme Events Using ML On-Board

Vít Růžička, Anna Vaughan, Daniele De Martini +5

In this paper, we introduce RaVAEn, a lightweight, unsupervised approach for change detection in satellite data based on Variational Auto-Encoders (VAEs) with the specific purpose…

cs.CV2021

Contrastive Learning for Unsupervised Radar Place Recognition

Matthew Gadd, Daniele De Martini, Paul Newman

We learn, in an unsupervised way, an embedding from sequences of radar images that is suitable for solving the place recognition problem with complex radar data. Our method is base…

cs.CV2021

The Oxford Road Boundaries Dataset

Tarlan Suleymanov, Matthew Gadd, Daniele De Martini +1

In this paper we present the Oxford Road Boundaries Dataset, designed for training and testing machine-learning-based road-boundary detection and inference approaches. We have hand…

cs.CV2021★ 1 cited

Unsupervised Place Recognition with Deep Embedding Learning over Radar Videos

Matthew Gadd, Daniele De Martini, Paul Newman

We learn, in an unsupervised way, an embedding from sequences of radar images that is suitable for solving place recognition problem using complex radar data. We experiment on 280…

cs.CV2021

Fool Me Once: Robust Selective Segmentation via Out-of-Distribution Detection with Contrastive Learning

David Williams, Matthew Gadd, Daniele De Martini +1

In this work, we train a network to simultaneously perform segmentation and pixel-wise Out-of-Distribution (OoD) detection, such that the segmentation of unknown regions of scenes…

cs.RO2021

CPG-ACTOR: Reinforcement Learning for Central Pattern Generators

Luigi Campanaro, Siddhant Gangapurwala, Daniele De Martini +2

Central Pattern Generators (CPGs) have several properties desirable for locomotion: they generate smooth trajectories, are robust to perturbations and are simple to implement. Alth…

cs.LG2020★ 5 cited

RainBench: Towards Global Precipitation Forecasting from Satellite Imagery

Christian Schroeder de Witt, Catherine Tong, Valentina Zantedeschi +5

Extreme precipitation events, such as violent rainfall and hail storms, routinely ravage economies and livelihoods around the developing world. Climate change further aggravates th…

cs.RO2020

Self-Supervised Localisation between Range Sensors and Overhead Imagery

Tim Y. Tang, Daniele De Martini, Shangzhe Wu +1

Publicly available satellite imagery can be an ubiquitous, cheap, and powerful tool for vehicle localisation when a prior sensor map is unavailable. However, satellite images are n…

cs.CY2020

Sense-Assess-eXplain (SAX): Building Trust in Autonomous Vehicles in Challenging Real-World Driving Scenarios

Matthew Gadd, Daniele De Martini, Letizia Marchegiani +2

This paper discusses ongoing work in demonstrating research in mobile autonomy in challenging driving scenarios. In our approach, we address fundamental technical issues to overcom…

cs.RO2020

Keep off the Grass: Permissible Driving Routes from Radar with Weak Audio Supervision

David Williams, Daniele De Martini, Matthew Gadd +2

Reliable outdoor deployment of mobile robots requires the robust identification of permissible driving routes in a given environment. The performance of LiDAR and vision-based perc…

cs.CV2020

RSS-Net: Weakly-Supervised Multi-Class Semantic Segmentation with FMCW Radar

Prannay Kaul, Daniele De Martini, Matthew Gadd +1

This paper presents an efficient annotation procedure and an application thereof to end-to-end, rich semantic segmentation of the sensed environment using FMCW scanning radar. We a…

cs.RO2020

Look Around You: Sequence-based Radar Place Recognition with Learned Rotational Invariance

Matthew Gadd, Daniele De Martini, Paul Newman

This paper details an application which yields significant improvements to the adeptness of place recognition with Frequency-Modulated Continuous-Wave radar - a commercially promis…