# Generated by scripts/sync_indices.py from Awesome Spectral Indices (MIT).
# DO NOT EDIT BY HAND. Edit overlays (_asi_*.yaml, _folia_*.yaml) and re-run.
# Spec: docs/spec/SPECTRAL_INDICES.md
slug: irgbvi
name: Improved-Red-Green-Blue Vegetation Index
short_name: IRGBVI
formula: (5.0 * (G ** 2.0) - 2.0 * (R ** 2.0) - 5.0 * (B ** 2.0)) / (5.0 * (G ** 2.0) + 2.0 * (R ** 2.0) + 5.0 * (B ** 2.0))
bands:
- G
- R
- B
domain: vegetation
theme: vegetation
concepts: []
rank: null
display:
  colormap: rdylgn
  range:
  - -0.2
  - 0.9
references:
- url: https://doi.org/10.1016/j.jag.2024.103668
date_of_addition: '2025-07-11'
contributor: https://github.com/davemlz
platforms:
- Sentinel-2
- Landsat-OLI
- Landsat-TM
- Landsat-ETM+
- MODIS
- Planet-Fusion
source:
  authority: awesome-spectral-indices
  commit_sha: 7f28d3fe68af1287f7449faf0685659e73197212
  upstream_id: IRGBVI
match_tags:
- b
- blue
- g
- green
- improved
- index
- r
- red
- vegetation
status: stable