The Effect of Gaussian Blurring on the Extraction of Peaks and Pits from Digital Elevation Models
Gaussian blurring is an isotropic smoothing operator that is used to remove noise and detail from images. In this paper, the effect of Gaussian blurring on the extraction of peaks and pits from digital elevation models (DEMs) is studied. First, a mathematical morphological-based algorithm to extract...
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| Format: | Article |
| Language: | English |
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Wiley
2007-01-01
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| Series: | Discrete Dynamics in Nature and Society |
| Online Access: | http://dx.doi.org/10.1155/2007/62137 |
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| _version_ | 1832565179273969664 |
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| author | A. Pathmanabhan S. Dinesh |
| author_facet | A. Pathmanabhan S. Dinesh |
| author_sort | A. Pathmanabhan |
| collection | DOAJ |
| description | Gaussian blurring is an isotropic smoothing operator that is used to remove noise and detail from images. In this paper, the effect of Gaussian blurring on the extraction of peaks and pits from digital elevation models (DEMs) is studied. First, a mathematical
morphological-based algorithm to extract peaks and pits from DEMs is developed.
Gaussian blurring is then implemented on the global digital elevation model
(GTOPO30) of Great Basin using Gaussian kernels of different sizes and standard
deviation values. The number of peaks and pits extracted from the resultant DEMs is
computed using connected component labeling and the results are compared. The
application of Gaussian blurring to perform the treatment of spurious peaks and pits in
DEMs is also discussed. This work is aimed at studying the capabilities of Gaussian
blurring in the modeling of objects and processes operating within an environment. |
| format | Article |
| id | doaj-art-90bfa5cf366b42d6befb2b5a62941085 |
| institution | Kabale University |
| issn | 1026-0226 1607-887X |
| language | English |
| publishDate | 2007-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Discrete Dynamics in Nature and Society |
| spelling | doaj-art-90bfa5cf366b42d6befb2b5a629410852025-02-03T01:09:02ZengWileyDiscrete Dynamics in Nature and Society1026-02261607-887X2007-01-01200710.1155/2007/6213762137The Effect of Gaussian Blurring on the Extraction of Peaks and Pits from Digital Elevation ModelsA. Pathmanabhan0S. Dinesh1Faculty of Engineering and Technology, Multimedia University, Jalan Air Keroh Lama, Melaka 75450, MalaysiaScience and Technology Research Institute for Defence (STRIDE), Ministry of Defence, Bahagian Teknologi Maritim, D/A KD Malaya, Pangkalan TLDM, Perak 32100, Lumut, MalaysiaGaussian blurring is an isotropic smoothing operator that is used to remove noise and detail from images. In this paper, the effect of Gaussian blurring on the extraction of peaks and pits from digital elevation models (DEMs) is studied. First, a mathematical morphological-based algorithm to extract peaks and pits from DEMs is developed. Gaussian blurring is then implemented on the global digital elevation model (GTOPO30) of Great Basin using Gaussian kernels of different sizes and standard deviation values. The number of peaks and pits extracted from the resultant DEMs is computed using connected component labeling and the results are compared. The application of Gaussian blurring to perform the treatment of spurious peaks and pits in DEMs is also discussed. This work is aimed at studying the capabilities of Gaussian blurring in the modeling of objects and processes operating within an environment.http://dx.doi.org/10.1155/2007/62137 |
| spellingShingle | A. Pathmanabhan S. Dinesh The Effect of Gaussian Blurring on the Extraction of Peaks and Pits from Digital Elevation Models Discrete Dynamics in Nature and Society |
| title | The Effect of Gaussian Blurring on the Extraction of Peaks and Pits from Digital Elevation Models |
| title_full | The Effect of Gaussian Blurring on the Extraction of Peaks and Pits from Digital Elevation Models |
| title_fullStr | The Effect of Gaussian Blurring on the Extraction of Peaks and Pits from Digital Elevation Models |
| title_full_unstemmed | The Effect of Gaussian Blurring on the Extraction of Peaks and Pits from Digital Elevation Models |
| title_short | The Effect of Gaussian Blurring on the Extraction of Peaks and Pits from Digital Elevation Models |
| title_sort | effect of gaussian blurring on the extraction of peaks and pits from digital elevation models |
| url | http://dx.doi.org/10.1155/2007/62137 |
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