Evaluating Parameters for BS-Horizon Surface Generation Using Elevation Data
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- Thi An TRAN
- Graduate School for Creative Cities, Osaka City University
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- Shinji MASUMOT
- Graduate School of Science, Osaka City University
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- Venkatesh RAGHAVAN
- Graduate School for Creative Cities, Osaka City University
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- Susumu NONOGAKI
- Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology
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- Go YONEZAWA
- Graduate School for Creative Cities, Osaka City University
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- Tatsuya NEMOTO
- Graduate School of Science, Osaka City University
Bibliographic Information
- Other Title
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- 標高データを用いたBS-Horizon地形面推定のためのパラメータの検討
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Abstract
<p>In order to create reliable DEM from limited altitude data, it is necessary to effectively use the curved surface estimation method. One of the methods available for estimating DEM using altitude data is BS-Horizon (Nonogaki et al., 2012) which is based on cubic B-spline and exterior penalty function. In this study, the parameter settings for the estimating DEM using the BS-Horizon surface interpolation method were investigated. The experiments were carried out using field topographic survey data as elevation constraint condition and also incorporating inequality constraints based contextual relationship denoted by topographic contours. The parameters investigated include numbers elevation points used for spline estimation, the degree of satisfaction of the data and the smoothness of curved surface. We examined the influence of each parameter setting in detail and evaluated appropriate parameter setting criteria for DEM generation.</p>
Journal
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- Geoinformatics
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Geoinformatics 28 (2), 31-50, 2017
Japan Society of Geoinformatics
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Keywords
Details 詳細情報について
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- CRID
- 1390282679415705472
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- NII Article ID
- 130006828806
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- NII Book ID
- AN0036643X
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- ISSN
- 1347541X
- 0388502X
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- NDL BIB ID
- 028348834
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed