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Publications

2018

Multi-Temporal Analysis of Forestry and Coastal Environments Using UASs

Authors
Padua, L; Hruska, J; Bessa, J; Adao, T; Martins, LM; Goncalves, JA; Peres, E; Sousa, AMR; Castro, JP; Sousa, JJ;

Publication
Remote Sensing

Abstract

2018

Vineyard properties extraction combining UAS-based RGB imagery with elevation data

Authors
Padua, L; Marques, P; Hruska, J; Adao, T; Bessa, J; Sousa, A; Peres, E; Morais, R; Sousa, JJ;

Publication
International Journal of Remote Sensing

Abstract

2017

A cost-effective instrumented walkway for measuring ground reaction forces in rats to assess gait pattern

Authors
Silva, N; Sousa, JJ; Peres, E; Sousa, A; Ruiz Armenteros, AM; Varejao, A; Morais, R;

Publication
MEASUREMENT

Abstract
Animal experiments have gained importance in human diseases studies, namely neurological diseases and its biomechanical and physiological aspects. As a model of human disease, the rat offers many advantages over other organisms. For the biomechanical aspects of locomotion these studies are based on the analysis of animals' kinetic parameters, accessed through a locomotion measurement system. However, these systems are not yet thoroughly developed, are still scarce and are also very expensive when developed for studies using small rodents. In this paper, a system capable of measuring contact forces of small rodents is presented. The platform hardware is based on a 5 x 3 matrix of ultra-sensitive force sensors that produce a set of signals acquired in a LabVIEW (TM) environment, used for data acquisition and processing. The post processing steps include the removal of null data, curve normalization related to the rat's weight and expressed as percentage of passage, resulting in a gait pattern. The proposed cost-effective system has achieved excellent results regarding the locomotion profile of healthy animals.

2017

Very high resolution aerial data to support multi-temporal precision agriculture information management

Authors
Padua, L; Adao, T; Hruska, J; Sousa, JJ; Peres, E; Morais, R; Sousa, A;

Publication
Procedia Computer Science

Abstract

2015

Open-Source Indoor Navigation System Adapted to Users with Motor Disabilities

Authors
Pereira, C; Sousa, A; Filipe, V;

Publication
PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON SOFTWARE DEVELOPMENT AND TECHNOLOGIES FOR ENHANCING ACCESSIBILITY AND FIGHTING INFO-EXCLUSION

Abstract
This paper describes the development of a mobile indoor navigation system, supported by a GIS and built using only open source tools. For the sake of simplicity a single building was chosen for the tests converting the floors to digital information from paper plans. The rooms geometry was saved on a proper database with all the adjacent information associated, which can in turn be provided to the clients application by APIs and Web Services. The system is able to calculate the most adequate path between any of the rooms taking into account the user profile which is defined by it's degree of mobility (eg. wheelchair). By reading a QR code placed in key places inside the building the user can obtain, on a mobile phone, his current position and receive orientations to any room that he might want to go. The directions hints are complemented with the presentation of real pictures associated to key locations in the path to validate that the correct path is taken by the user. (C) 2015 The Authors. Published by Elsevier B.V.

Supervised
thesis

2017

Agroforestry management system for UAV-based time series data analysis focused on vineyards and chestnut trees

Author
Luís Pádua

Institution
UTAD

2016

A Gestão do tempo em empresas de desenvolvimento de software:um estudo de caso

Author
Marco António Pinto de Almeida

Institution
UTAD

2016

Sistema de Navegação para o interior de edificios

Author
Celso Almeida Pereira

Institution
UTAD

2016

Classificação de Espécies Arbóreas em Imagens Aéreas de Alta Resolução

Author
Pedro Miguel Mota Marques

Institution
UTAD

2016

Estimativa de Produção Agrícola

Author
Marcos António Melo Carneiro

Institution
UTAD