LANDSLIDE MONITORING USING CLOSE RANGE PHOTOGRAMMETRY
DOI:
https://doi.org/10.21837/pm.v19i19.1068Keywords:
Digital Elevation Model (DEM), Close Range Photogrammetry (CRP), stereopairs, digital camera, Electronic Distance Measuring (EDM)Abstract
This paper presents the preliminary results of a simulation study on the production of low cost Digital Elevation Model (DEM) for a landslide study area in Seri Iskandar, Perak. The important objective of this paper is to present the potentiality of Close Range Photogrammetry (CRP) as a data acquisition tool in producing a Digital Elevation Model (DEM) by using data from surface measurement. This method was applied using stereopair photographs captured data from ground level detection, or known as close range photogrammetry with the use of a digital camera mounted on a tripod as a tool for data collection. Close Range Photogrammetry (CRP) applications is useful for mapping of areas that are difficult and risky to point manpower on terrain that consist of steep and dangerous slopes. Conventional methods require measurement using Electronic Distance Measuring (EDM), but this method is very costly and requires a survey team placed on the land site area. The research data were carried out with two different epoch data. The outcome proves that CRP can produce DEM with less cost compared to other methods.
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Copyright (c) 2021 Munirah Radin Mohd Mokhtar, Suriani Ngah Abdul Wahab, Mohd Najib Husain, Haslina Hashim, Asmma’ Che Kasim
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