Tracking highly deformable structures: a surface model applied to vortex evolution within satellite oceanographic images

Jean-Paul Berroir; Isabelle L. Herlin; Isaac Cohen

doi:10.1117/12.226845

17 November 1995 Tracking highly deformable structures: a surface model applied to vortex evolution within satellite oceanographic images

Jean-Paul Berroir, Isabelle L. Herlin, Isaac Cohen

Author Affiliations +

Proceedings Volume 2579, Image and Signal Processing for Remote Sensing II; (1995) https://doi.org/10.1117/12.226845
Event: Satellite Remote Sensing II, 1995, Paris, France

Abstract

Motion study for remotely sensed data is a wide research field, involving tracking of structures, measurement of evolution and forecast. Several difficulties arise when tracking a vortex within oceanographic images: the structure is complex, and its evolution involves large changes of shape and topology. Therefore, the classical approach of motion based on the `small deformations' hypothesis does not hold: one must add exogeneous information, concerning the underlying physical phenomenon for instance. This information may be unavailable, or so complicated that a numerical treatment can not be carried out. We propose a surface based model that performs a global matching without relying on local features. It is defined by geometrical constraints that are a simplified approximation of the evolution model of the structure. This model is also applied to track a vortex within oceanographic images.

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Jean-Paul Berroir, Isabelle L. Herlin, and Isaac Cohen "Tracking highly deformable structures: a surface model applied to vortex evolution within satellite oceanographic images", Proc. SPIE 2579, Image and Signal Processing for Remote Sensing II, (17 November 1995); https://doi.org/10.1117/12.226845

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