@article{oai:kitami-it.repo.nii.ac.jp:02000437,
 author = {Liangliang Yang and Hao Guo and Shuming Yang and Yohei Hoshino and Soichiro Suzuki and Dehua Gao and Ying Cao},
 issue = {5},
 journal = {International Journal of Automation Technology},
 month = {2023-07-14},
 note = {In modern agriculture, many advanced automated devices
are used on farms. To improve the working efficiency
of agricultural vehicles, fields are expected to be
pre-leveled, because the vehicles work more effectively
on a flat field. Leveling a field requires the current field
elevation map. Some farmers in Japan have begun
to use high-precision real-time kinematic Global Positioning
System (RTK-GPS)-based self-steering tractors
in the fields. This study uses the RTK-GPS information
from a self-steering tractor system to generate
a digital elevation model (DEM) especially in mountain
regions where the fields are not flat. In addition,
all of the information is from the self-steering system
with the result that farmers can use the method of this
study without additional instruments. However, the
GPS receiver sometimes cannot obtain high-quality
signals from satellites in mountain regions. Therefore,
this study focuses on how to create a high-precision
DEM even when a GPS signal is unavailable. It proposes
a dynamic interpolation method for generating
a DEM. In addition, a test was conducted in a field in
a mountain region. The test results show that the dynamic
interpolation method can provide an accuracy
of less than 0.03 m in the test field for creating a DEM.},
 pages = {671--678},
 title = {Generation of a High-Precision Digital Elevation Model for Fields in Mountain Regions Using RTK-GPS},
 volume = {13},
 year = {}
}