Motion Redirection Based on Markov Chain Monte Carlo Particle Filter

Abstract:

This paper aims at the difficulty that lack of observation model and high-dimensional sampling in video tooning, proposes a method based on key frame matching and dual-directional Markov chain Monte Carlo sampling of video motion redirection. At first, after extracting the key frame of a given video, By affine transformation and linear superposition, the subject initializes the video’s space-time parameters and forms the observation model; Secondly, in each space-time, based on the bi-directional Markov property of each frame, This paper proposed a dual-directional Markov chain Monte Carlo sampling particle filter structure and takes full advantage of the relationship of the front and back frame of the parameters to estimate motion redirection parameters. At the same time, for high-dimensional sampling problem, the subject according to the directional parameters’ correlation implements classification of skeleton parameters-morphological parameters-physical parameters, proposes a hierarchical genetic strategy to optimize the output parameters and improves the efficiency of the algorithm. The research of this paper will produce an efficient and prominent animation expressive video motion redirection method and play an important role on video animation of the development.

• Periodical: Applied Mechanics and Materials (Volumes 668-669)
• Pages: 1086-1089
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.668-669.1086
• Online since: October 2014
• Authors: Jin Bao Song*, Long Ye, Qin Zhang, Jian Ping Chai
• Keywords: Dual Direction Markov Chain Monte Carlo, Hierarchical Genetic Optimization, Key Frame Matching, Motion Redirection, Particle Filtering

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