Bulletin of the Forestry and Forest Products Research Institute
Online ISSN : 2189-9363
Print ISSN : 0916-4405
ISSN-L : 0916-4405
Road network extraction for interpreting large scale forest exploitation
Hideki SAITO
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RESEARCH REPORT / TECHNICAL REPORT OPEN ACCESS

2017 Volume 16 Issue 2 Pages 99-105

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Abstract

This study aims to examine the method to extract road network which is an important key for interpreting large scale forest exploitation from satellite data. Study site was selected in the forested area which extends over Kompong Thom and Preah Vihear provinces, Cambodia. Landsat-8 OLI data was used in this study. Edge preservation smoothing filter were apply to NDVI image. Road networks which ran east-west and north-south direction in large scale forest exploitation area were extracted by edge detection and filtering procedures. Road networks in young rubber forest were extracted in large scale forest exploitation area. However, the road networks in bare soil which is immediately after exploitation and in mature rubber forest were not detected by this procedure. The extracted road networks by this study would be used for automatic forest change detection procedure combined with other spectral information such as NDVI difference in further study.

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© 2017 Forestry and Forest Products Research Institute
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