Get
fully solved assignment. Buy online from website
online
store
or
plz
drop a mail with your sub code
we
will revert you within 2-3 hour or immediate
Charges
rs 125/subject
PROGRAM
BSc IT
SEMESTER
SIXTH
SUBJECT CODE & NAME
BT9403, Virtual Reality
Qus:1 With the help of block diagram
explain Convolvotron.
Answer: Once a user’s HRTF is
experimentally determined, it is possible to take any sound, apply the pinnal
transforms as finite impulse response (FIR) filters, and play back the sound to
the same user over a headset. The user then has the sensation of hearing that
sound as coming from a virtual speaker placed in space accordingly. This signal
processing technique, called convolving, was
Qus:2 Explain
haptic feedback and sensing.
Answer: The last category of I/O devices
discussed in this unit is haptic interfaces. Named after the Greek term hapthai
(meaning “touch”), they convey important sensorial information that helps users
achieve tactile identification of virtual objects in the environment and move
these objects to perform a task. When added to the visual and 3D audio feedback
previously discussed, haptic feedback greatly improves simulation realism. It
becomes mandatory wherever the visual
Qus:3 Write short notes on:
• multiple pipeline synchronization.
• distributed VR engine
Answer: •
multiple pipeline synchronization
Whether multiple graphics pipelines are part of a single
computer or of multiple cooperating ones, the output images need to be
synchronized. This is especially true for tiled displays, where lack of
synchronization can lead to disturbing visual artifacts. If the side-by-side
displays are CRTs (as is the
Qus:4 Explain the first stage of
haptic rendering.
Answer: The first stage of haptic rendering
(and thus physical modeling) is collision detection which
Qus:5 Expalin the process of automatic
cell segmentation.
Answer: This process partitions the
virtual world into smaller universes, or cells. Only objects within the current
universe are rendered, thus reducing complexity significantly. This approach is
illustrated in Figure. This segmentation method is ideal for architectural
modeling of large buildings (rather than a single auditorium). In this case
most of the model does not contribute at all to any given image. The set of
polygons that appears in each view changes slowly as
Qus:6 What are the advantages of
stereopsis?
Answer: With complex images it has been
found that subjects could easily use stereopsis to enhance 3-D spatial
judgments when monocular depth cues were ambiguous. Depth cues additively
interact with each other to get more vivid 3-D representation. Stereopsis
appears to be a compelling depth cue except when in conflict with motion or
occlusion. It has certain advantage
Get
fully solved assignment. Buy online from website
online
store
or
plz
drop a mail with your sub code
we
will revert you within 2-3 hour or immediate
Charges
rs 125/subject
No comments:
Post a Comment