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Pemetaan Geomorfologi Terumbu Karang Pulau Tunda [PAPER]

ABSTRACT Mapping of coral reefs geomorphic in Tunda Island has not been done before using an object-based image classification. This mapp...


ABSTRACT


Mapping of coral reefs geomorphic in Tunda Island has not been done before using an object-based image classification. This mapping can be used as the basic of information to planning and area development towards the optimum utilization such as marine ecotourism area. This study aims to mapping coral reef geomorphic zone of Tunda Island using object base classification. Data analysis using multispectral image Worldview-2 with data acquisition of August 25, 2013 and bathymetric profiles. The classification using of multiresolution segmentation. The classification is divided into two levels of classification. Level 1 segmentation using parameter of scale 200, shape 0.6 and compactness 0.4. Level 2 Segmentation using parameter of scale 30, shape 0.6 and compactness 0.4. The classification object segmentation able to produce a map with high accuracy at every level. The classification accuracy of Level 1 is 97% and level 2 is 91%.

Keyword: Geomorphic zone, Object base classification, Tunda Island

ABSTRAK

Pemetaan zona geomorfologi terumbu karang di Pulau Tunda ini belum pernah dilakukan khususnya menggunakan klasifikasi citra  berbasis  objek.  Hasil  pemetaan  ini  dapat  digunakan  sebagai  dasar  informasi  perencanaan  dan pengembangan suatu kawasan menuju pemanfaatan yang optimal seperti contoh pemanfaatan sebagai kawasan ekowisata bahari. Penelitian ini bertujuan untuk memetakan zona geomorfologi terumbu karang Pulau Tunda dengan menggunakan klasifikasi berbasis objek. Bahan analisis menggunakan citra multispektral Worldview-2 dengan akuisisi data tanggal 25 Agustus 2013 dan profil batimetri. Klasifikasi memakai algoritma segmentasi multiresolusi. Klasifikasi dibagi kedalam 2 level klasifikasi. Parameter klasifikasi level 1 menggunakan scale sebesar 200, shape 0.6 dan compactness 0.4. Segmentasi level 2 menggunakan scale 30, shape 0.6 dan compactness 0.4.  Klasifikasi segmentasi objek ini mampu menghasilkan peta dengan tingkat akurasi yang tinggi pada setiap level. Akurasi klasifikasi level 1 adalah sebesar 97% dan level 2 sebesar 91%.

Kata kunci: Klasifikasi berbasis objek, Pulau Tunda, Zona geomorfologi


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RSGIS INDONESIA: Pemetaan Geomorfologi Terumbu Karang Pulau Tunda [PAPER]
Pemetaan Geomorfologi Terumbu Karang Pulau Tunda [PAPER]
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RSGIS INDONESIA
https://www.rsgis.info/2019/04/pemetaan-geomorfologi-terumbu-karang.html
https://www.rsgis.info/
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https://www.rsgis.info/2019/04/pemetaan-geomorfologi-terumbu-karang.html
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