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RSS FeedsSensors, Vol. 18, Pages 3394: A Volume Measurement Method for Lunar Soil Collection Based on a Single Monitoring Camera (Sensors)

 
 

13 october 2018 20:01:18

 
Sensors, Vol. 18, Pages 3394: A Volume Measurement Method for Lunar Soil Collection Based on a Single Monitoring Camera (Sensors)
 




In the task of lunar soil collection, estimating the volume of the collected soil is an important part of the sampling control of the lander. Due to the design constraints of the lander, there is no additional installation position for volume measurement equipment. To fully use the sensors already installed, a collected soil volume measurement method is designed in this paper based only on a single monitoring camera. This method uses a sequence of images of the collection area captured by the camera mounted on the acquisition arm to accurately reconstruct the terrain of the collection area surface before and after soil acquisition. Additionally, bi-temporal dense point clouds are reconstructed. Based on the area of change associated with soil collection, the constructed dense point clouds are compared according to the topographic characteristics of the area to estimate the volume of soil collected. Experiments show that the method is stable and reliable and can meet the requirements of actual measurement tasks.


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20 viewsCategory: Chemistry, Physics
 
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