Une interface portable à hauteur de visage par Docomo au CEATEC 2013

Une interface portable à hauteur de visage par Docomo au CEATEC 2013


Le département de recherche d'informatique portable de Docomo travaille avec la possibilité d'appairer des smartphones avec des interfaces à hauteur de visage. Au CEATEC 2013 ils ont fait la démonstration d'un nombre varié de situations où cette technologie pourrait être utilisée.

"If someone suddenly hands you an optical head-mounted display type device, you might not understand how to use it. So, we'd like to show people specific ways of using such devices. The first concept I'll show you is called Hands-Free Movies. Here, you wear the glasses as an external display for your smartphone. Ordinarily, if you watch a long movie on a smartphone, your hand gets tired from holding up the phone. But with a head-mounted display, you can watch long movies with your hands free. Also, if the glasses have a camera attached, it can be used to recognize faces. So, if you see someone you've met before, their name can be displayed. Or if you're traveling overseas and come across a menu you can't read, the glasses can show you a translation."

Une autre idée sur laquelle travaille Docomo est que les gens puissent porter ces périphériques pendant des périodes prolongées. Dans ce cas Docomo envisage deux interfaces utilisateurs : la Variable Interface et la Space Interface.

"The Variable Interface shows a virtual image when you put the glasses on, but you don't really know where to touch. In that case, our basic approach is to display the virtual image on an actual notebook and you can touch that. What's happening is, the camera in the glasses identifies the area taken up by the notebook, and the acceleration sensor in the ring detects your touch."

Si le menu réduit sa taille en fonction de la zone d'affichage, il peut devenir difficile à utiliser. L'interface doit donc afficher un menu qui peut être adapter à l'objet sur lequel il est affiché. C'est ce à quoi servira la Variable Interface. De cette façon, votre notebook pourra très bien ressembler à une tablette.

"The Space Interface is based on the idea that, to manipulate a virtual picture, using your hands is the most intuitive way. So, the camera detects the movement of your hands, and you can manipulate the virtual picture in ways that are firmly based on physical phenomena. If you take the bear's hand, and move your hand up and down, the bear's hand moves along with yours. Such realistic interactions are a feature of the Space Interface. We think it will probably be used for amusement applications, but as another possibility, this could be used as an interface for collaborative work, where several people share the same space while they're wearing the glasses."

"These ideas are still at the R&D stage, so we can't say when they'll become practical. But we think that, first of all, showing people such possibilities is one important role of R&D."

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