{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T11:54:12Z","timestamp":1769514852157,"version":"3.49.0"},"reference-count":38,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2017,1,26]],"date-time":"2017-01-26T00:00:00Z","timestamp":1485388800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002830","name":"Centre National d\u2019Etudes Spatiales","doi-asserted-by":"publisher","award":["TOSCA Terre Solide"],"award-info":[{"award-number":["TOSCA Terre Solide"]}],"id":[{"id":"10.13039\/501100002830","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Over the last 10 years, the accessibility of high spatial resolution remote sensing images has strongly increased. These images are available in ortho-rectified format which do not necessitate any further geometrical processing to be analyzed. In parallel, image correlation software has become more efficient and friendly. In this paper, image correlation methods are tested to evaluate their potential and limitations to measure the surface displacements in a complex case of a landslide located in a tropical environment. This studied landslide, called \u201cMare \u00e0 Poule d\u2019Eau\u201d, is located in the Salazie erosion watershed in R\u00e9union Island (France). This landslide is monitored daily by a DGPS station which registers the south-north displacements. Two pairs of ortho-rectified SPOT-5 images at 2.5 m resolution provided by Kalideos (http:\/\/kalideos.cnes.fr) were selected. The first pair frames the period between 2002 and 2005 during which the landslide activity was low. The second pair of images (2006\u20132008) frames a period of time during which the landslide was more active. Fifty-nine Image Control Points (ICP) were selected on the images by the SIFT method (Scale Invariant Feature Transform) and visually controlled. The shifts of these points used as external control are estimated for the two time periods. Two image correlator softwares are used: MicMac and Cosi-Corr. The results obtained by the two correlators are similar. For the 2002\u20132005 period, the shift measured by correlators in the landslide is similar to the shift outside the landslide. This means that the displacement cannot be detected and estimated during periods of low activity of the landslide. The shift of the landslide for the 2006\u20132008 period is out of noise and reaches 8.5 m. The displacement can be estimated by applying a correction factor extracted from the ICP located in the stable areas. The potential and limits of the image correlation in such complex environments is discussed. A strategy is proposed to evaluate the quality of the results and to extract the displacement signal from the shift measurements.<\/jats:p>","DOI":"10.3390\/rs9020106","type":"journal-article","created":{"date-parts":[[2017,1,26]],"date-time":"2017-01-26T09:55:23Z","timestamp":1485424523000},"page":"106","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Potential and Limitation of SPOT-5 Ortho-Image Correlation to Investigate the Cinematics of Landslides: The Example of \u201cMare \u00e0 Poule d\u2019Eau\u201d (R\u00e9union, France)"],"prefix":"10.3390","volume":"9","author":[{"given":"Rejanne","family":"Le Bivic","sequence":"first","affiliation":[{"name":"Laboratoire G\u00e9osciences Oc\u00e9an, UMR 6538, Universit\u00e9 de Bretagne Occidentale, CNRS, 29280 Plouzan\u00e9, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1269-6298","authenticated-orcid":false,"given":"Pascal","family":"Allemand","sequence":"additional","affiliation":[{"name":"LGL-TPE Laboratoire de G\u00e9ologie de Lyon\u2014Terre, Plan\u00e8tes, Environnement, UMR 5276, Universit\u00e9 de Lyon, Universit\u00e9 Lyon 1, ENS Lyon, CNRS, Villeurbanne 69622, France"}]},{"given":"Am\u00e9lie","family":"Quiquerez","sequence":"additional","affiliation":[{"name":"Laboratoire Arch\u00e9ologie Terre Histoire Soci\u00e9t\u00e9s, UMR 6298, Universit\u00e9 de Bourgogne Franche-Comt\u00e9, CNRS, Dijon 21000, France"}]},{"given":"Christophe","family":"Delacourt","sequence":"additional","affiliation":[{"name":"Laboratoire G\u00e9osciences Oc\u00e9an, UMR 6538, Universit\u00e9 de Bretagne Occidentale, CNRS, 29280 Plouzan\u00e9, France"}]}],"member":"1968","published-online":{"date-parts":[[2017,1,26]]},"reference":[{"key":"ref_1","unstructured":"Turner, A.K., and Shuster, R.L. 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