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Dive into the research topics where António Fernando Ribeiro is active.

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Featured researches published by António Fernando Ribeiro.


ICDT 2016 : The Eleventh International Conference on Digital Telecommunications | 2016

Tracking sound source localization for a home robot application

Gil Lopes; Andreia Albernaz; Hélder Ribeiro; António Fernando Ribeiro; M. S. Martins

The future of robotics is now trending for home servicing. Nursing homes and assistance to elder people are areas where robots can provide valuable help in order to improve the quality of life of those who need it most. Calling a robot, for a person of age, can be a daunting task if the voice is failing and any resort to battery operated devices fails to comply. Using a simple mechanical apparatus, such as a Click trainer for dogs, a person can call a robot by pressing the button of a powerless device. The high pitch sound produced by this device can be captured and tracked down in order to estimate the person’s location within a room. This paper describes a method that provides good accuracy and uses simple and low cost technology, in order to provide an efficient positional value for an assistance robot to attend its caller. The robot does not need to search for the person in a room as it can directly travel towards the Click’s sound source. Keywords-localization; sound source; interaural sound difference; time difference of arrival


Archive | 2008

Fully autonomous or remotely operated golf ball picking system

António Fernando Ribeiro; Carlos Duarte Oliveira E Silva; Ivo Moutinho; Pedro Luis Da Costa E Silva; Luís Fernando Costa Pacheco; Sérgio Alexandre Costa De Oliveira; André Oliveira; Heloísa Cristiana Cardoso Costa


Archive | 2006

Omnidirectional electric wheelchair control system

António Fernando Ribeiro; Pedro Luis Da Costa E Silva; Ivo Moutinho; Nino Pereira; Paula Alexandre Sousa Braga


Archive | 2004

Three omni-directional wheels control on a mobile robot

António Fernando Ribeiro; Ivo Moutinho; Pedro Canas da Silva; Carlos Alberto Manssour Fraga; Nino Pereira


VIPIMAGE, III Eccomas Thematic Conference on Computational Vision and Medical Image Processing | 2012

Vision-based hand segmentation techniques for human-robot interaction for real-time applications

Paulo Trigueiros; António Fernando Ribeiro; Gil Lopes


Archive | 2004

Controlling omni-directional Wheels of a MSL RoboCup autonomous mobile robot

António Fernando Ribeiro; Ivo Moutinho; Pedro Canas da Silva; Carlos Alberto Manssour Fraga; Nino Pereira


IV ECCOMAS Thematic Conference on Computational Vision and Medical Image Processing | 2014

Vision-based gesture recognition system for human-computer interaction

Paulo Trigueiros; António Fernando Ribeiro; Luís Paulo Reis


Archive | 2007

Mobile robot construction for edutainment application

António Fernando Ribeiro; Ivo Moutinho; Pedro Canas da Silva; Paulo Braga; Nino Pereira


robot soccer world cup | 1999

Patriarcas/MINHO Football Team

António Fernando Ribeiro; Carlos Machado; Ilidio Costa; Sérgio Sampaio


Acta Herpetologica | 2015

Where to look when identifying roadkilled amphibians

Marc Franch; Cristiano Silva; Gil Lopes; António Fernando Ribeiro; Paulo Trigueiros; Luis Seco; Neftalí Sillero

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