Advanced Vegetation Index (AVI) is a numerical indicator, similar to NDVI that uses the red and near-infrared spectral bands. Like NDVI, AVI is used in vegetation studies to monitor crop and forest variations over time. Through the multi-temporal combination of the AVI and the NDVI, users can discriminate different types of vegetation and extract phenology characteristics/ parameters (Rikimaru et al., 2002)

Advanced Vegetation Index

Earth system dynamics, such as plant dynamics, water bodies, and fire regimes, are widely monitored using spectral indicators obtained from multispectral remote sensing products. There is a great need for spectral index catalogues and computing tools as a result of the quick rise of suggested spectral indices. Unfortunately, the majority of these resources lack a standard Application Programming Interface, are out-of-date, closed-source, or are not linked to a catalogue. We now introduce 'VegSpecIndex', a standardised list of spectral indices for studies of the earth system. A thorough inventory of spectral indices is offered by 'VegSpecIndex' and is connected to an R library. For every spectral index, 'VegSpecIndex' provides a comprehensive collection of information, such as names, formulae, and source references. The user community may add more items to the catalogue, which will keep 'VegSpecIndex' up to date and allow for further scientific uses. Additionally, the R library makes it possible to apply the catalogue to actual data, which makes it easier to employ remote sensing resources effectively across a variety of Earth system domains.

Tanuj Misra 

VegSpecIndex

Vegetation and Spectral Indices for Environmental Assessment

Avijit Ghosh

Ram S Chaurasia

Tanuj Misra

Amit Kumar Singh

Shailendra Kumar

Abhishek Chakraborty

Devanand 

J P Singh 

A K Shukla 

AVI function

<dl><dt>NIR</dt>
<dd>Near-infrared spectral band</dd><dt>RED</dt>
<dd>Red spectral band</dd></dl>

Arguments

Advanced Vegetation Index — AVI

<dl>

<dt>NIR</dt>
<dd>Near-infrared spectral band</dd>

<dt>RED</dt>
<dd>Red spectral band</dd>

</dl>

AVI: Advanced Vegetation Index

Description

Usage

Value

Arguments

References

Examples