A kernel index — 0 compatible sensors — Last revised June 1, 2025
kNDVI

Kernel Normalized Difference Vegetation Index

Kernel Normalized Difference Vegetation Index - A spectral index for kernel applications.

When to use

  • Research applications requiring sensitivity to subtle variations
  • Cross-sensor harmonization studies
  • Improving accuracy of physical parameter retrievals
  • Hyperspectral or analysis-ready data workflows
  • Comparison studies against traditional indices
  • kernel

Limitations

  • Computationally heavier than simple band-ratio indices
  • Kernel parameter selection affects results — defaults may not suit all conditions
  • Less interpretable than physical-based indices
  • Limited published validation across all biomes
  • Most useful when paired with traditional indices for comparison

General Formula

Sensor-Specific Formulas

Most-used sensors — click to show code below

SensorProviderFormulaBand Mapping

Code Examples

kndvi_generic.py

kNDVI vs other kernel indices

IndexNameHow it differs
kEVIKernel Enhanced Vegetation IndexEnhanced with additional bands or coefficients
kIPVIKernel Infrared Percentage Vegetation IndexAlternative kernel index — different band combination
kRVIKernel Ratio Vegetation IndexAlternative kernel index — different band combination
kVARIKernel Visible Atmospherically Resistant IndexAtmospherically corrected version

Related Kernel Indices

kEVI
Kernel Enhanced Vegetation Index
kIPVI
Kernel Infrared Percentage Vegetation Index
kRVI
Kernel Ratio Vegetation Index
kVARI
Kernel Visible Atmospherically Resistant Index

References

https://doi.org/10.1126/sciadv.abc7447

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