The Geo-ICT Blog

Tutorials/Post – ICT, GIS, Remote Sensing, Earth System, Humanitarian, Disaster Management, Travel

Month: June 2019

Collecting field data using your Very High Resolution Satellite images using MBTiles and ODKCollect

Web maps are usually served by smaller tiles which are loaded separately but gives an impression of a seamless image. These are the tiled based maps. Check out the earlier blog post on Converting Satellite imagery to Tile Map Service. Usually, tiles are small in size to get loaded. But things might get tricky … CONTINUE READING

Change Detection in Google Earth Engine using Sentinel 1 images

In this tutorial, we will try to perform the change detection using the SAR images from the Sentinel-1 satellite images in the Google Earth Engine. As the SAR images are acquired in different polarisation medium namely VV, HH, VH, and HV, we will focus on dual polarisation medium VV and VH. Also, we will be … CONTINUE READING

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