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en:ros:title [2021/04/12 07:47] momalaen:ros:title [2021/06/14 09:00] (current) – external edit 127.0.0.1
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 ==== Data Collection and Processing ==== ==== Data Collection and Processing ====
-The first step of the Terrain generation is data collection of the desired area. Aerial imagery with a drone, over the area to be mapped, has to be conducted. The images are captured at a grid-based flight path. This ensures that the captured images contain different sides of a subject. In order to make sure the images have maximum coverage, the flight path is followed three times in different camera angles but at a constant altitude. All the images are georeferenced and IMU tagged to put the positioning and orientation data on them for better stiching and later processes. Then a dense point-cloud is created by using third-party software for the captured picture.+The first step of the Terrain generation is data collection of the desired area. Aerial imagery with a drone, over the area to be mapped, has to be conducted. The images are captured at a grid-based flight path. This ensures that the captured images contain different sides of a subject. In order to make sure the images have maximum coverage, the flight path is followed three times in different camera angles but at a constant altitude. All the images are georeferenced and IMU tagged to put the positioning and orientation data on them for better stitching and later processes. Then a dense point cloud is created by using third-party software for the captured picture.
  
 ==== Terrain generation ==== ==== Terrain generation ====
en/ros/title.1618213630.txt.gz · Last modified: 2021/04/12 09:00 (external edit)
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