Land cover classification based on NDVI using LANDSAT8 time series: A case study Tirupati region

The Normalized Difference Vegetation Index (NDVI) is one of the most widely used numerical indicator that uses the visible (VIS) and near-infrared bands (NIR) of the electromagnetic spectrum, and is utilized to analyze remote sensing images and assess whether the target contains live green vegetation or not. This paper analyses the utility of NDVI for mapping the land cover characteristics over Tirupati Region, Chittoor District, Andhra Pradesh, India. Images of level-1 data of Landsat8 were collected for three different seasons of the same region and derived the NDVI values. For land cover classification, various band combinations of the remote sensed data are treated and the spatial distribution such as water bodies, built-up area, vegetation and dense vegetation are easily examined by computing their normalized difference vegetation index from multi-spectral data. On-going portion of present study focuses on making out the difference between the vegetation indexes of different land cover types by performing supervised classification.