Search Results for author: C. Premebida

Found 5 papers, 2 papers with code

ORCHNet: A Robust Global Feature Aggregation approach for 3D LiDAR-based Place recognition in Orchards

1 code implementation1 Mar 2023 T. Barros, L. Garrote, P. Conde, M. J. Coombes, C. Liu, C. Premebida, U. J. Nunes

In this work, we address the place recognition problem in orchards resorting to 3D LiDAR data, which is considered a key modality for robustness.

Loop Closure Detection

Probabilistic Approach for Road-Users Detection

no code implementations2 Dec 2021 G. Melotti, W. Lu, P. Conde, D. Zhao, A. Asvadi, N. Gonçalves, C. Premebida

It is demonstrated that the proposed technique reduces overconfidence in the false positives without degrading the performance on the true positives.

Autonomous Driving Object +2

Multispectral Vineyard Segmentation: A Deep Learning approach

1 code implementation2 Aug 2021 T. Barros, P. Conde, G. Gonçalves, C. Premebida, M. Monteiro, C. S. S. Ferreira, U. J. Nunes

In this work, a study is presented of semantic segmentation for vine detection in real-world vineyards by exploring state-of-the-art deep segmentation networks and conventional unsupervised methods.

Segmentation Semantic Segmentation

Probabilistic Object Classification using CNN ML-MAP layers

no code implementations29 May 2020 G. Melotti, C. Premebida, J. J. Bird, D. R. Faria, N. Gonçalves

Deep networks are currently the state-of-the-art for sensory perception in autonomous driving and robotics.

Autonomous Driving Bayesian Inference +3

High-resolution LIDAR-based Depth Mapping using Bilateral Filter

no code implementations17 Jun 2016 C. Premebida, L. Garrote, A. Asvadi, A. Pedro Ribeiro, U. Nunes

High resolution depth-maps, obtained by upsampling sparse range data from a 3D-LIDAR, find applications in many fields ranging from sensory perception to semantic segmentation and object detection.

object-detection Object Detection +3

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