Unmanned aerial vehicle technology for low cost landslide mapping
Khairul Nizam Tahar, Anuar Ahmad & Wan Abdul Aziz Wan Mohd Akib
Landslide tragedy always occurred at the slope area or unstable ground. It is because of the changes of ground movement speed at shot period. Landslide can be affected by surrounding development for example cutting slope, highway construction or housing development. The development in an area has shifted a natural movement of the ground in the area. There are many factors that caused landslide. One of the main factor of landslide is underground water that flow at the unstable ground. Many research have been carried out to overcome this problem such as prediction of landslide, mapping of landslide risk area and in situ measurement at the prone area of landslide. Recently, Unmanned Aerial Vehicle (UAV) technology is becoming more useful to solve problem in many applications. The aim of this study is to generate three dimensional model using UAV images for landslide mapping. This study uses UAV technology for mapping area of interest. There are two types of UAV units that can be used for mapping purpose namely fixed-wing and rotor-wing. Rotary-wing UAV needs more time to stable before it can captured images on the ground. There are many kinds of rotary wing UAV that have been produced according to its specific application or needs. Unlike rotary-wing UAV, the fixed-wing UAVs are more stable and able to capture image easily. It allows remote control UAV to be practiced in any environment and urban mapping.
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