Method and apparatus for processing sar images based on an...

Details Method and apparatus for processing sar images based on an... Method and apparatus for processing sar images based on an...

G - Physics

06

T

G06T 5/00 (2006.01)

Patent

CA 2681705

A computer system 60 for processing synthetic aperture radar (SAR) images includes a database for storing SAR images to be processed, and a processor 69 for processing a SAR image from the database. The processing includes determining noise in a SAR image to be processed, selecting a noise threshold for the SAR image based on the determined noise, and mathematically adjusting an anisotropic diffusion algorithm based on the selected noise threshold. The adjusted anisotropic diffusion algorithm is applied to the SAR image.

L'invention concerne un système informatique (60) conçu pour traiter les images d'un radar à ouverture synthétique (SAR) et qui comprend une base de données de stockage des images SAR à traiter et un processeur (69) conçu pour traiter une image SAR provenant de la base de données. Le traitement consiste à déterminer le bruit dans une image SAR à traiter, à sélectionner un seuil de bruit de l'image SAR à partir du bruit déterminé et à adapter par procédé mathématique un algorithme par diffusion anisotrope à partir du seuil de bruit sélectionné. L'algorithme par diffusion anisotrope adapté est ensuite appliqué à l'image SAR.

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