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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 303 - 319 (17page)
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초록· 키워드
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The objectives of this paper are to measure surface imperviousness using three different classification methods: per-pixel, sub-pixel, and object-oriented classification. They are tested on high-spatial resolution QuickBird data at 2.4 meters (four spectral bands and three principal component bands) as well as a medium-spatial resolution Landsat TM image at 30 meters. To measure impervious surfaces, we selected 30 sample sites with different land uses and residential densities across image representing the city of Phoenix, Arizona, USA. For per-pixel an unsupervised classification is first conducted to provide prior knowledge on the possible candidate spectral classes, and then a supervised classification is performed using the maximum-likelihood rule. For sub-pixel classification, a Linear Spectral Mixture Analysis (LSMA) is used to disentangle land cover information from mixed pixels. For object-oriented classification several different sets of scale parameters and expert decision rules are implemented, including a nearest neighbor classifier. The results from these three methods show that the object-oriented approach (accuracy of 91%) provides more accurate results than those achieved by per-pixel algorithm (accuracy of 67% and 83% using Landsat TM and QuickBird, respectively). It is also clear that sub-pixel algorithm gives more accurate results (accuracy of 87%) in case of intensive and dense urban areas using medium-resolution imagery.
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등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Adams, J.B. / 1993 / Remote geochemical analysis: Elemental and mineralogical composition / Cambridge University : 145 ~ 166
Baatz, M. / 2000 / eCognition User Guide / Definiens AG
Berman, M / 2012 / Some invariance properties of the minimum noise fraction transform / Chemometrics and Intelligent Laboratory Systems 117 : 189 ~ 199
Bhaskaran, S. / 2010 / Per-pixel and object-oriented classification methods for mapping urban features using Ikonos satellite data / Applied Geography 30 (4) : 650 ~ 665
Chabaeva, A / 2009 / Assessment of impervious surface estimation techniques / Journal of Hydrology Engineering 14 (4SI) : 377 ~ 387
Baatz, M. / 2000 / eCognition User Guide / Definiens AG
Berman, M / 2012 / Some invariance properties of the minimum noise fraction transform / Chemometrics and Intelligent Laboratory Systems 117 : 189 ~ 199
Bhaskaran, S. / 2010 / Per-pixel and object-oriented classification methods for mapping urban features using Ikonos satellite data / Applied Geography 30 (4) : 650 ~ 665
Chabaeva, A / 2009 / Assessment of impervious surface estimation techniques / Journal of Hydrology Engineering 14 (4SI) : 377 ~ 387
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