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Title: An object-based approach for fire history reconstruction by using three generations of landsat sensors
Authors: Katagis, Thomas
Gitas, Ioannis Z.
Mitri, George 
Affiliations: Institute of Environment 
Keywords: Fire history reconstruction
Forest fires
Burned area mapping
Geographic object-based image analysis
Issue Date: 2014
Part of: Journal of remote sensing
Volume: 6
Issue: 6
Start page: 5480
End page: 5496
In this study, the capability of geographic object-based image analysis (GEOBIA) in the reconstruction of the recent fire history of a typical Mediterranean area was investigated. More specifically, a semi-automated GEOBIA procedure was developed and tested on archived and newly acquired Landsat Multispectral Scanner (MSS), Thematic Mapper (TM), and Operational Land Imager (OLI) images in order to accurately map burned areas in the Mediterranean island of Thasos. The developed GEOBIA ruleset was built with the use of the TM image and then applied to the other two images. This process of transferring the ruleset did not require substantial adjustments or any replacement of the initially selected features used for the classification, thus, displaying reduced complexity in processing the images. As a result, burned area maps of very high accuracy (over 94% overall) were produced. In addition to the standard error matrix, the employment of additional measures of agreement between the produced maps and the reference data revealed that "spatial misplacement" was the main source of classification error. It can be concluded that the proposed approach can be potentially used for reconstructing the recent (40-year) fire history in the Mediterranean, based on extended time series of Landsat or similar data.
Open URL: Link to full text
Type: Journal Article
Appears in Collections:Institute of Environment

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