Search Results for author: Helder Araujo

Found 11 papers, 2 papers with code

Li3DeTr: A LiDAR based 3D Detection Transformer

no code implementations27 Oct 2022 Gopi Krishna Erabati, Helder Araujo

The LiDAR local and global features are encoded using sparse convolution and multi-scale deformable attention respectively.

Autonomous Driving Knowledge Distillation +3

MSF3DDETR: Multi-Sensor Fusion 3D Detection Transformer for Autonomous Driving

no code implementations27 Oct 2022 Gopi Krishna Erabati, Helder Araujo

Inspired by these approaches on 2D object detection and an approach for multi-view 3D object detection DETR3D, we propose MSF3DDETR: Multi-Sensor Fusion 3D Detection Transformer architecture to fuse image and LiDAR features to improve the detection accuracy.

3D Object Detection Autonomous Driving +3

FAIR-FATE: Fair Federated Learning with Momentum

1 code implementation27 Sep 2022 Teresa Salazar, Miguel Fernandes, Helder Araujo, Pedro Henriques Abreu

While fairness-aware machine learning algorithms have been receiving increasing attention, the focus has been on centralized machine learning, leaving decentralized methods underexplored.

Fairness Federated Learning

3D Reconstruction with Low Resolution, Small Baseline and High Radial Distortion Stereo Images

no code implementations19 Sep 2017 Tiago Dias, Helder Araujo, Pedro Miraldo

The approaches tested were based on the use of the polynomial model of radial distortion, and on the application of the division model.

3D Reconstruction

Sparse-then-Dense Alignment based 3D Map Reconstruction Method for Endoscopic Capsule Robots

no code implementations29 Aug 2017 Mehmet Turan, Yusuf Yigit Pilavci, Ipek Ganiyusufoglu, Helder Araujo, Ender Konukoglu, Metin Sitti

Since the development of capsule endoscopcy technology, substantial progress were made in converting passive capsule endoscopes to robotic active capsule endoscopes which can be controlled by the doctor.

3D Reconstruction

Deep EndoVO: A Recurrent Convolutional Neural Network (RCNN) based Visual Odometry Approach for Endoscopic Capsule Robots

no code implementations22 Aug 2017 Mehmet Turan, Yasin Almalioglu, Helder Araujo, Ender Konukoglu, Metin Sitti

Ingestible wireless capsule endoscopy is an emerging minimally invasive diagnostic technology for inspection of the GI tract and diagnosis of a wide range of diseases and pathologies.

Monocular Visual Odometry Pose Estimation

A fully dense and globally consistent 3D map reconstruction approach for GI tract to enhance therapeutic relevance of the endoscopic capsule robot

no code implementations18 May 2017 Mehmet Turan, Yusuf Yigit Pilavci, Redhwan Jamiruddin, Helder Araujo, Ender Konukoglu, Metin Sitti

In the gastrointestinal (GI) tract endoscopy field, ingestible wireless capsule endoscopy is emerging as a novel, minimally invasive diagnostic technology for inspection of the GI tract and diagnosis of a wide range of diseases and pathologies.

3D Reconstruction Image Registration +1

Magnetic-Visual Sensor Fusion based Medical SLAM for Endoscopic Capsule Robot

no code implementations17 May 2017 Mehmet Turan, Yasin Almalioglu, Hunter Gilbert, Helder Araujo, Ender Konukoglu, Metin Sitti

A reliable, real-time simultaneous localization and mapping (SLAM) method is crucial for the navigation of actively controlled capsule endoscopy robots.

Sensor Fusion Simultaneous Localization and Mapping +1

A Non-Rigid Map Fusion-Based RGB-Depth SLAM Method for Endoscopic Capsule Robots

no code implementations15 May 2017 Mehmet Turan, Yasin Almalioglu, Helder Araujo, Ender Konukoglu, Metin Sitti

In this paper, we propose to our knowledge for the first time in literature a visual simultaneous localization and mapping (SLAM) method specifically developed for endoscopic capsule robots.

Simultaneous Localization and Mapping

Plücker Correction Problem: Analysis and Improvements in Efficiency

no code implementations18 Feb 2016 João R. Cardoso, Pedro Miraldo, Helder Araujo

A given six dimensional vector represents a 3D straight line in Plucker coordinates if its coordinates satisfy the Klein quadric constraint.

Cannot find the paper you are looking for? You can Submit a new open access paper.