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The Visual Computer

, Volume 34, Issue 3, pp 417–430 | Cite as

Space–time image layout

  • Shahar Ben-Ezra
  • Daniel Cohen-Or
Original Article

Abstract

Cameras are now ubiquitous in our lives. A given activity is often captured by multiple people from different viewpoints resulting in a sizable collection of photograph footage. We present a method that effectively organizes this spatiotemporal content. Given an unorganized collection of photographs taken by a number of photographers, capturing some dynamic event at a number of time steps, we would like to organize the collection into a space–time table. The organization is an embedding of the photographs into clusters that preserve the viewpoint and time order. Our method relies on a self-organizing map (SOM), which is a neural network that embeds the training data (the set of images) into a discrete domain. We introduce BiSOM, which is a variation of SOM that considers two features (space and time) rather than a single one, to layout the given photograph collection into a table. We demonstrate our method on several challenging datasets, using different space and time descriptors.

Keywords

Image organization Spatial ordering Temporal ordering Self-organizing maps 

Supplementary material

Supplementary material 1 (mp4 220892 KB)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  1. 1.Electrical Engineering SchoolTel Aviv UniversityTel AvivIsrael
  2. 2.Computer Science SchoolTel Aviv UniversityTel AvivIsrael

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