Journal of Remote Sensing / 2021 / Article / Tab 1

Research Article

Shearlet-Based Structure-Aware Filtering for Hyperspectral and LiDAR Data Classification

Table 1

Definitions of the mathematical symbols used in the paper.

SymbolMeaning

, , Raw HSIs, KPCA-reduced HSIs, and LiDAR
, Spatial dimension of HSIs and LiDAR
, Spectral and KPCA-reserved dimension of HSIs
, Texture and area features of HSIs
, Texture and area features of LiDAR
, , The spectral, texture, and area distance
, Regional dissimilarity and merging cost
Initial oversegmentation map
Final merging map
, Distance map and scale map
Structure-aware filters
, Classification feature and classification map