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Kosmos
Astronomia Astrofizyka
Inne

Kultura
Sztuka dawna i współczesna, muzea i kolekcje

Metoda
Metodologia nauk, Matematyka, Filozofia, Miary i wagi, Pomiary

Materia
Substancje, reakcje, energia
Fizyka, chemia i inżynieria materiałowa

Człowiek
Antropologia kulturowa Socjologia Psychologia Zdrowie i medycyna

Wizje
Przewidywania Kosmologia Religie Ideologia Polityka

Ziemia
Geologia, geofizyka, geochemia, środowisko przyrodnicze

Życie
Biologia, biologia molekularna i genetyka

Cyberprzestrzeń
Technologia cyberprzestrzeni, cyberkultura, media i komunikacja

Działalność
Wiadomości | Gospodarka, biznes, zarządzanie, ekonomia

Technologie
Budownictwo, energetyka, transport, wytwarzanie, technologie informacyjne

Efficient Bimanual Symmetric 3D Manipulation for Bare-Handed Interaction

JVRB - Journal of Virtual Reality and Broadcasting, 7(2010), no. 8.: Recently, stable markerless 6 DOF video based handtracking
devices became available. These devices simultaneously
track the positions and orientations of
both user hands in different postures with at least 25
frames per second. Such hand-tracking allows for using
the human hands as natural input devices. However,
the absence of physical buttons for performing
click actions and state changes poses severe challenges
in designing an efficient and easy to use 3D interface
on top of such a device. In particular, for coupling and
decoupling a virtual object’s movements to the user’s
hand (i.e. grabbing and releasing) a solution has to
be found. In this paper, we introduce a novel technique
for efficient two-handed grabbing and releasing
objects and intuitively manipulating them in the virtual
space. This technique is integrated in a novel
3D interface for virtual manipulations. A user experiment
shows the superior applicability of this new technique.
Last but not least, we describe how this technique
can be exploited in practice to improve interaction
by integrating it with RTT DeltaGen, a professional CAD/CAS visualization and editing tool.