Hugo Nicolau

hugo nicolau blind mobile touchscreen braille text-entry motor impaired interact11 tremor accessibility invisuais acessibilidade visually impaired vibration vibrotactile interaccao'10 touch mobacc tetraplegic entry text interacção texto learning errors visually-impaired speed typing voiceover performance smartphone multitouch input output spellchecker feedback read elderly walking mobility interaction survey proposal phd rita pereira gama teresa assets'10 assets'09 navtap mobilehci'10 brailletype phd proposal impairments assets touch screen impaired dsai orientation guide orientação guia móvel blobby