NAIP H
Hue Index for NAIP
Urban Satellite Provider: USDA
Applications
Color Analysis
Material Classification
Urban Mapping
Land Cover Analysis
Quick Stats
Category: urban
Sensor: NAIP
Provider: USDA
Bands Used: 3
Description
Color index representing the dominant wavelength in visible spectrum. Used for color analysis and classification of materials based on their spectral hue characteristics.
Formulas
General Formula
NAIP Specific Formula
arctan((2 * Red - Green - Blue) / (30.5 * (Green - Blue)))Spectral Band Visualization
Band Wavelengths
Red: 630-690 nm
Green: 530-590 nm
Blue: 450-515 nm
Code Examples
hue.py
References
Standard color theory