1. IDENTIFIKACIJA OBMOČIJ VETROLOMA NA PODLAGI ČASOVNE VRSTE S PODATKI C-SAR.
- Author
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Mangafić, Alen, Puhar, Martin, and Barborič, Blaž
- Subjects
- *
TIME series analysis , *WINDFALL (Forestry) , *REMOTE sensing , *DIMENSION reduction (Statistics) , *IDENTIFICATION , *SUBTRACTION (Mathematics) , *RADAR - Abstract
A strong windthrow affected many forests in Slovenia and northern Italy on the night of the 29th and the 30th of October, 2018. In this paper, we propose a new methodology for windthrow identification, comprising two new indexes, PCA-CI for evaluating change detection and PCA-WI for the identification of windthrows by analysing the time series of C-SAR Sentinel-1 data. The proposed methodology, unlike the previous studies on the identification of windthrows, does not subtract the values of dual and single polarised VH-VV data combinations, but proposes a new approach with a multivariate transformation of dimensionality reduction of the time series of the dual and single polarised data in two different time frames. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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