Related Sites:
Interaction
Capture data acquired using the HAVEN.
Data Repository for
Haptic Algorithm Evaluation. Haptic data acquired using the HAVEN.
The HAVEN is
a facility for multisensory modeling and simulation,
developed by the Multisensory Computation Laboratory with the
support of NSF grants EIA-0215887 and IIS-0308157. In the
HAVEN one can
interact with other humans, physical objects, and computer
simulations. You can read more about the
importance of multisensory simulation and interaction in
[Pai 03].
The HAVEN
consists of a specially constructed chamber. The
chamber is designed to provide acoustical as well as
optical isolation from ambient noise. The walls are
arranged to avoid parallel surfaces that would promote
standing sound waves, and the walls and ceiling are
baffled with acoustic panels. Two windows (one in the
wall and one in the ceiling) allow projectors to
illuminate the environment without polluting the
interior of the chamber with fan noise.
The HAVEN is designed to be a
densely-sensed environment. As human subjects
interact in the HAVEN,
their position, motion, applied forces, and
appearance, (as well as the readings from hand-held
tools), can be simultaneously measured using a
multitude of sensors located on the walls, the
ceiling, the floor, and even attached to the
subject's hand.
Vicon Motion
Capture System
Objects and
people in the HAVEN can be
tracked by a 6 camera, 1 kHz optical
tracking system.
Bumblebee
A
ceiling-mounted stereo-vision camera
provides location information about
subjects in the chamber without the use
of the Vicon optical markers.
X-Sensor
A
pressure-sensor pad with 10 thousand
capacitative tactels measures the
position and pressure of a person's
footsteps, allowing reconstruction of
the subject's actions.
WHaT
A hand-held
Wireless
Haptic
Texture
sensor, the WHaT can measure
probe force and acceleration at
locations chosen by the user.
Polhemus FastSCAN
The FastSCAN
laser scanner allows the user to
acquire high-resolution 3-D models of
real objects.
Mascaro Asada
fingernail force sensors
Finger-pad
pressure can be estimated by sensors
mounted on the backs of fingernails,
allowing force measurement without
interfering with grasping.
Mag-Lev Haptic
device
We will be
acquiring a new high-fidelity
magnetically-levitated haptic device
(under NSF instrumentation grant EIA-0321057).
Microphone
Array
We plan to
install an array of sensitive
microphones to record spatial acoustic
properties of interaction with objects.
As well as being
densely-sensed, the HAVEN is designed to be a
rich multisensory display environment.
For visual display, the chamber
contains a rear-projection screen sufficiently
large to display human-sized avatars; the screen is
illuminated through a window by projectors in the
adjacent room. Likewise, projectors located above
the ceiling treat the table-top (or the floor) as a
front-projection display. Polarized filters on the
projectors and worn by users allow interactive
stereo visualization of 3-D objects and
environments.
Together with the acoustic
isolation of the environment, an array of
loudspeakers makes the HAVEN a powerful environment
for auditory display. As well as being able to
render sounds at a wide range of volumes without
interference from ambient noise, the distribution
of the speakers around the chamber allows sounds to
be spatialized with respect to the subject
interacting in the environment.
In addition to visual and
auditory display, the HAVEN is designed to provide
haptic feedback during interaction with the
environment. The mag-lev haptic device (mentioned
above) will provide 6 degrees of freedom of tactile
feedback.
The sensors and display devices that
make the HAVEN an
interactive environment are driven by a cluster of
computers interconnected by a gigabit network.
Video: (AVI) [11 MB]
The development of the HAVEN was supported in part by NSF
grants EIA-0215887 and IIS-0308157.
Any opinions, findings, and conclusions or recommendations expressed
in this material are those of the author(s) and do not necessarily
reflect the views of the National Science Foundation.