Slope monitoring system

G - Physics – 01 – S

Patent

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Details

G01S 15/89 (2006.01) G01C 11/00 (2006.01) G01S 13/86 (2006.01) G01S 13/88 (2006.01) G01S 13/90 (2006.01)

Patent

CA 2430927

A slope monitoring system having a radar and a video camera recording images sequences of the slope. A data processing unit performs coordinate registration to align the radar images and the video images. Interferometry is used to detect movement in the slope by generating interference maps between the images. These are suitably phase maps showing the phase change between a radar image and a reference image.An alarm occurs if a significant movement is detected.

L'invention concerne un système de surveillance de pentes comprenant un radar et une caméra vidéo enregistrant des séquences d'images de pentes. Une unité de traitement de données effectue un enregistrement de coordonnées afin d'aligner les images radar et les images vidéo. On fait appel à l'interférométrie pour détecter un mouvement sur les pentes en générant des cartes d'interférence entre les images. Ces cartes d'interférence sont, de préférence, des cartes de phase illustrant le changement de phase entre une image radar et une image de référence. Une alarme se déclenche si un mouvement significatif est détecté.

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