Land Cover Classification Using Object-Based Image Analysis of SPOT-6 Imagery For Land Cover and Forest Monitoring in Nagan Raya, Aceh – Indonesia

Image of Land Cover Classification Using Object-Based Image Analysis of SPOT-6 Imagery For Land Cover and Forest Monitoring in Nagan Raya, Aceh – Indonesia
Digital classification technique using Object-Based Image Analysis (OBIA) of SPOT-6 imagery could improve classification accuracy and provide detail type of land cover. This method is better applied for data with higher spatial resolution imagery which has high heterogeneity where the pixel size is smaller the actual size of the objects. The sequence steps were image preprocessing and pansharpening, identify the potential of landcover types using Jeffries-Matusita (JM) feature separability, determine a stratification boundary, and developing the Object-Based Orientation classification using Erdas Imagine Objective. Detail process of OBIA was image pixel segmentation with the parameters were consists of determining the minimum pixel segmentation ratio which was 1000 and applying the single feature probability and NDVI, and determine cue weight. The second segmentation was object vector classification which segmented the vector object using the empirical distribution analysis. The segmentation is based on region growing of the Multi-Bayesian network. The classification result is then assessed by comparing the classification result of Maximum Likelihood (MLC) using confusion matrix. The result shows that object-based classification technique could improve the classification by 83% compared to the MLC with only 67%. The method of segmentation used the stratification zone in order to make an optimum cue weight in detecting the object through texture, size, and shape while also applying the spectral-based method.
Informasi Detil
Judul Seri -
No. Panggil -
Penerbit IJASEIT : Padang.,
Deskripsi Fisik p. 2139-2144
Bahasa English
ISBN/ISSN 2088-5334
Klasifikasi NONE
Edisi International Journal on Advanced Science Engineer
Subyek SPOT-6
Classification
; object-based image analysis
Pernyataan Tanggungjawab
-
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