Title page for ETD etd-07252008-000023

Type of Document Master's Thesis
Author Kumar, Mithilesh
Author's Email Address mithil@vt.edu
URN etd-07252008-000023
Title A Motion Graph Approach for Interactive 3D Animation using Low-cost Sensors
Degree Master of Science
Department Computer Science
Advisory Committee
Advisor Name Title
Cao, Yong Committee Chair
Bowman, Douglas A. Committee Member
Webster, Dane Committee Member
  • motion synthesis
  • interpolation
  • motion graph
  • Performance animation
  • accelerometer
Date of Defense 2008-07-14
Availability unrestricted
Interactive 3D animation of human figures is very common in video games, animation studios and virtual environments. However, it is difficult to produce full body animation that looks realistic enough to be comparable to studio quality human motion data. The commercial motion capture systems are expensive and not suitable for capture in everyday environments. Real-time requirements tend to reduce quality of animation. We present a motion graph based framework to produce high quality motion sequences in real-time using a set of inertial sensor based controllers. The user's action generates signals from the controllers that provide constraints to select appropriate sequence of motions from a structured database of human motions, namely \emph{motion graph}. Our local search algorithm utilizes noise prone and rapidly varying input sensor signals for querying a large database in real-time. The ability to waive the controllers for producing high quality animation provides a simple 3D user interface that is intuitive to use. The proposed framework is low cost and easy to setup.
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