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The SmartVision Navigation Prototype for Blind Users
du Buf, J. M. H.; Barroso, João; Rodrigues, J. M. F.; Paredes, Hugo; Farrajota, Miguel; Fernandes, Hugo; José, João; Teixeira, Victor; Saleiro, MárioThe goal of the Portuguese project "SmartVision: active vision for the blind" is to develop a small, portable and cheap yet intelligent and reliable system for assisting the blind and visually impaired while navigating autonomously, both in- and outdoor. In this article we present an overview of the prototype, design issues, and its different modules which integrate GPS and Wi-Fi localisation with a GIS, passiv...
The SmartVision navigation prototype for the blind
du Buf, J. M. H.; Barroso, João; Rodrigues, J. M. F.; Paredes, Hugo; Farrajota, Miguel; Fernandes, Hugo; José, João; Teixeira, Victor; Saleiro, MárioThe goal of the project "SmartVision: active vision for the blind" is to develop a small and portable but intelligent and reliable system for assisting the blind and visually impaired while navigating autonomously, both outdoor and indoor. In this paper we present an overview of the prototype, design issues, and its different modules which integrate a GIS with GPS, Wi-Fi, RFID tags and computer vision. The prot...
Effect of eCG and progestagen on ovarian follicle population in goats
Ribeiro, Catarina; Teixeira, Victor; Mascarenhas, Ramiro; Baril, Gérard; Azevedo, Jorge Manuel Teixeira de; Simões, JoãoThe aim of present study was to evaluate the response of ovarian follicle population to eCG/progestagen treatment in goats. In second half of February, seven Serrana goats (G-eCG) received 250 UI of eCG (Intergonan®, Intervet, Holland) at the removal of intravaginal sponges impregnated with 20 mg of flugestone acetate (Chronogest® CR 20 mg, Intervet, Holland) and kept in place during 6 days. Six other Serrana g...
Oestrus and ovulatory response of goats with different parity to male effect an...
Simões, João; Baril, Gérard; Cunha, Teresa; Azevedo, Jorge Manuel Teixeira de; Teixeira, Victor; Ribeiro, Catarina; Mascarenhas, RamiroThe aim of this work was to determine the oestrous and ovulatory activity in goats with different parity after male effect associated to short-term progestagen treatments. In April, 15 nulliparous (NG; 25.2 ± 0.7 Kg) and 22 multiparous (MPG; 40.3 ± 0.7 Kg) Serrana goats were treated with 20 (NG20=7; MPG20=11), or 30 mg (NG30=8; MPG30=11) of fluorogestone acetate sponges (Chronogest® CR 20 mg / Chronogest® 30 mg...
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