NDPolINormalized Difference Polarization Index
GeologyRadarCitation Rank #277
Skip to content No spectral, thermal, or hyperspectral bands are used in this index. No constants are used in this index. No contextual reductions are used in this index.
Summary
The Normalized Difference Polarization Index (NDPolI) is a geology spectral index intended for radar sensing. It was introduced in 2008; its source is cited as Cao Yun-gang, Yan Li-juan, & Zheng Ze-zhong (2008). EXTRACTION OF INFORMATION ON GEOLOGY HAZARD FROM MULTI-POLARIZATION SAR IMAGES. https://www.isprs.org/proceedings/XXXVII/congress/4_pdf/267.pdf .
Based on the latest citation data, this index is in the 11.82th percentile overall, ranking 277 out of 313 indices with citation data. Among the 34 indices published within two years of 2008, it ranks 34 (2.94th percentile). Within the geology application domain, it is in the 100th percentile and ranks 1 out of 1 index with citation data. Among the 1 similarly aged geology index, it ranks 1 (100th percentile).
Formula
(VV - VH)/(VV + VH)Index familyRadar
Bands
Polarizations
VVVertical transmit, vertical receive radar polarization.
VHVertical transmit, horizontal receive radar polarization.