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Authors: Ishan Awasthi and Ahmed Elgammal

Affiliation: Rutgers University, United States

ISBN: 972-8865-40-6

ISSN: 2184-4321

Keyword(s): Texture, Dynamic Texture, Image-based Rendering, Non Linear Manifold Learning.

Related Ontology Subjects/Areas/Topics: Applications ; Computer Vision, Visualization and Computer Graphics ; Image and Video Analysis ; Pattern Recognition ; Software Engineering ; Statistical Approach ; Video Analysis

Abstract: Dynamic textures are sequences of images of moving scenes that show stationarity properties in time. Eg: waves, flame, fountain, etc. Recent attempts at generating, potentially, infinitely long sequences model the dynamic texture as a Linear Dynamic System. This assumes a linear correlation in the input sequence. Most real world sequences however, exhibit nonlinear correlation between frames. In this paper, we propose a technique of generating dynamic textures using a low dimension model that preserves the non-linear correlation. We use nonlinear dimensionality reduction to create an embedding of the input sequence. Using this embedding, a nonlinear mapping is learnt from the embedded space into the image input space. Any input is represented by a linear combination of nonlinear bases functions centered along the manifold in the embedded space. A spline is used to move along the input manifold in this embedded space as a similar manifold is created for the output. The nonlinear mappi ng learnt on the input is used to map this new manifold into a sequence in the image space. Output sequences, thus created, contain images never present in the original sequence and are very realistic. (More)

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Paper citation in several formats:
Awasthi, I. and Elgammal, A. (2006). LEARNING NONLINEAR MANIFOLDS OF DYNAMIC TEXTURES. In Proceedings of the First International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, ISBN 972-8865-40-6; ISSN 2184-4321, pages 243-250. DOI: 10.5220/0001378202430250

@conference{visapp06,
author={Ishan Awasthi. and Ahmed Elgammal.},
title={LEARNING NONLINEAR MANIFOLDS OF DYNAMIC TEXTURES},
booktitle={Proceedings of the First International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP,},
year={2006},
pages={243-250},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001378202430250},
isbn={972-8865-40-6},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the First International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP,
TI - LEARNING NONLINEAR MANIFOLDS OF DYNAMIC TEXTURES
SN - 972-8865-40-6
IS - 2184-4321
AU - Awasthi, I.
AU - Elgammal, A.
PY - 2006
SP - 243
EP - 250
DO - 10.5220/0001378202430250

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