Surface Matching and Difference Detection Without the Aid of Control Points

Pilgrim, Lloyd J

doi:10.1179/003962696791624541

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2009

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Cited by 2 publications

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“…When reference points are not available, for the registration of DEM pairs a surface matching procedure can be applied to minimize the coordinate residuals of undeformed areas by means of a roto-translation transformation between the two reference systems. The iterative least square procedure can be used for detecting deformed and stable zones (Pilgrim, 1996;Mitchell and Chadwick, 1999;Li et al, 2001).…”

Section: Introductionmentioning

confidence: 99%

Digital elevation models for landslide evolution monitoring: application on two areas located in the Reno River Valley (Italy)

Pesci

Baldi

Bedin

et al. 2009

Annals of Geophysics

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GPS, digital photogrammetry and laser scanning techniques have been applied and compared in the frame of the studies of two complex landslides located in the Emilia-Romagna Region (Northern Italy). The three approaches, characterized by different accuracies, applicability and costs, have demonstrated to be efficient tools to define Digital Elevation Models computed in the same reference system and able to provide data on the landslide motion. The results described in the paper indicate the present low level of landslide activity in recent years. Reliability, costs and execution times of the applied surveying methods are shown and discussed in this paper.

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Section: Introductionmentioning

confidence: 99%