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Spectral Mixture Analysis (Sma) of Landsat Imagery for Land Cover Change Study of Highly Degraded Peatland in Indonesia : Volume Xl-7/W3, Issue 1 (29/04/2015)

By Sakti, A. D.

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Book Id: WPLBN0004015961
Format Type: PDF Article :
File Size: Pages 7
Reproduction Date: 2015

Title: Spectral Mixture Analysis (Sma) of Landsat Imagery for Land Cover Change Study of Highly Degraded Peatland in Indonesia : Volume Xl-7/W3, Issue 1 (29/04/2015)  
Author: Sakti, A. D.
Volume: Vol. XL-7/W3, Issue 1
Language: English
Subject: Science, Isprs, International
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus Publications
Historic
Publication Date:
2015
Publisher: Copernicus Publications, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Sakti, A. D., & Tsuyuki, S. (2015). Spectral Mixture Analysis (Sma) of Landsat Imagery for Land Cover Change Study of Highly Degraded Peatland in Indonesia : Volume Xl-7/W3, Issue 1 (29/04/2015). Retrieved from http://www.worldlibrary.org/


Description
Description: Center for Remote Sensing, Bandung Institute of Technology (ITB), Bandung, Indonesia. Indonesian peatland, one of the world’s largest tropical peatlands, is facing immense anthropogenic pressures such as illegal logging, degradation and also peat fires, especially in fertile peatlands. However, there still is a lack of appropriate tools to assess peatland land cover change. By taking Pelalawan district located in Sumatra Island, this study determines number of land cover endmembers that can be detected and mapped using new generation of Landsat 8 OLI in order to develop highquality burned peat fraction images. Two different image transformations, i.e. Principle Component Analysis (PCA), Minimum Noise Fraction (MNF) and two different scatterplot analyses, i.e. global and local, were tested and their accuracy results were compared. Analysis of image dimensionality was reduced by using PCA. Pixel Purity Index (PPI), formed by using MNF, was used to identify pure pixel. Four endmembers consisting of two types of soil (peat soil and dry soil) and two types of vegetation (peat vegetation and dry vegetation) were identified according to the scatterplot and their associated interpretations were obtained from the Pelalawan Fraction model. The results showed that local scatterplot analysis without PPI masking can detect high accuracy burned peat endmember and reduces RMSE value of fraction image to improve classification accuracy.

Summary
Spectral Mixture Analysis (SMA) of Landsat Imagery for Land Cover Change Study of Highly Degraded Peatland in Indonesia

 

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