Dataset used in this work is from USGS Landsat-8 satellite. See the source here https://earthexplorer.usgs.gov/

This code calculates difference from NDTI images. It can be used for change detection on the images with different dates. It can be easily modified for other indices.

Using a conda enviroment with jupyternotebook for this code could be helpful.

• rasterio 1.1.8
• numpy 1.19.4
• matplotlib 3.3.3
• gdal 3.1.4
• scipy 1.5.3

• Band6 (SWIR1)
• Band7 (SWIR2)

• NDTI Images
• NDTI difference
• NDTI threshold Image
• NDTI threshold removed noise Image

2019 RGB Image Kocaeli	2014 RGB Image Kocaeli

2019 NDTI Image Kocaeli	2014 NDTI Image Kocaeli

NDTI difference Threshold square image	After 3x3 Mode Filter

• Separating Built-Up Areas article (Osgouei et al. 2018)
• Change Detection between NDVI Images by Thales Sehn Körting
• NDVI Index calculation by Hatari Labs