Interactive Background Scene Generation: Controllable Animation based on Motion Graph
Date Issued
2009
Date
2009
Author(s)
Wang, Tse-Hsien
Abstract
In this paper, an interactive background scene generation and editing system is proposed based on improved motion graph. By analyzing the motion of an input animation with limited length, our system could synthesize large amount of various motions to yield a composting scene animation with unlimited length by connecting the input motion pieces through smooth transitions based on a motion graph layer, which is generated by using randomized cuts and further analysis on time domain. The smooth transitions are obtained by searching the best path according to specified circumstances. Finally the result is optimized by repeatedly substituting animation subsequences. The user can interactively specify some physical constraints of the scene on keyframes, such as wind direction or velocity of flow, even one simple path for character to follow, and the system would automatically generate continuous and natural motion in accordance with them.
Subjects
Motion graph
background animation
user interface
controllable animation
motion synthesis
Type
thesis
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