The MRBVI operator algorithm computes the Modified Red Blue Vegetation Index from a given product.

The MRBVI results from the following equation:

MRBVI = (pow(R , 2.0) - pow(B , 2.0)) / (pow(R , 2.0) + pow(B , 2.0))

, where:

The bands are:

- B is the Blue band
- R is the Red band

Also the processor computes an additional flags band called 'mrbvi_flags' with the following bit coding:

Bit Position	Description
Bit 0	The computed value for MRBVI is NAN or is Infinite
Bit 1	The computed value for MRBVI is less than -1 (minus one)
Bit 2	The computed value for MRBVI is greater than 1 (one)