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  4. Motion Vector Estimation of Textureless Objects Exploiting Reaction-Diffusion Cellular Automata
 
research article

Motion Vector Estimation of Textureless Objects Exploiting Reaction-Diffusion Cellular Automata

Ushida, Miho
•
Schmid, Alexandre  
•
Asai, Tetsuya
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2016
International Journal Of Unconventional Computing

Conventional motion estimation algorithms extract motion vectors from image sequences based on the image's local-brightness differences in consecutive images. Therefore, motion vectors are extracted along the moving edges formed by moving objects over their background. However, in the case of "textureless" moving objects, motion vectors inside the objects cannot be detected because no brightness (texture) differences exist inside the object. Severe issues may incur in motion-related imaging applications because motion-vectors of vast (inner) regions of textureless objects can not be detected, although the inner part is moving with the object's edges. To solve this problem, we propose an unconventional image-processing algorithm that generates spatial textures based on object's edge information, allowing the detection of the textures motion. The model is represented by a 2-D crossbar array of a 1-D reaction-diffusion (RD) model where 1-D spatial patterns are created inside objects and aggregated to form textures. Computer simulations confirm the approach, showing the formation of textures over approaching objects, which may open applications in machine vision and automated decision systems.

  • Details
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Type
research article
Web of Science ID

WOS:000376156900004

Author(s)
Ushida, Miho
Schmid, Alexandre  
Asai, Tetsuya
Ishimura, Kazuyoshi
Motomura, Masato
Date Issued

2016

Publisher

Old City Publishing Inc

Published in
International Journal Of Unconventional Computing
Volume

12

Issue

2-3

Start page

169

End page

187

Subjects

Texture generation

•

cellular automata

•

reaction-diffusion systems

•

unconventional image processing

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSM  
Available on Infoscience
July 19, 2016
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/127963
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