Remote Sensing Analysis Archives - GIS Geography https://gisgeography.com/tag/remote-sensing-analysis/ Geographic Information Systems Sun, 01 Jun 2025 11:49:25 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 https://gisgeography.com/wp-content/uploads/2019/01/cropped-GISGeography-SiteIcon-32x32.jpg Remote Sensing Analysis Archives - GIS Geography https://gisgeography.com/tag/remote-sensing-analysis/ 32 32 UAV Mapping for Aerial Surveying https://gisgeography.com/uav-mapping/ https://gisgeography.com/uav-mapping/#comments Wed, 07 May 2025 13:40:00 +0000 https://gisgeography.com/?p=90844 UAV mapping has changed how we do aerial surveying. With drones, we can now map areas quickly, accurately, and in a cost effective way.

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]]> https://gisgeography.com/uav-mapping/feed/ 1 What is Pansharpening in Remote Sensing https://gisgeography.com/pansharpening/ https://gisgeography.com/pansharpening/#respond Wed, 11 Jan 2023 03:01:02 +0000 https://gisgeography.com/?p=77233 By combining the panchromatic band with multispectral imagery, pansharpening produces images of higher resolution for better visual clarity.

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]]> https://gisgeography.com/pansharpening/feed/ 0 What is Photogrammetry? https://gisgeography.com/what-is-photogrammetry/ https://gisgeography.com/what-is-photogrammetry/#comments Thu, 24 Sep 2020 10:22:54 +0000 https://gisgeography.com/?p=20498 Photogrammetry uses photographs from at least two different vantage points. It obtains depth and perspective because of separate points of observation.

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]]> https://gisgeography.com/what-is-photogrammetry/feed/ 5 What is NDVI (Normalized Difference Vegetation Index)? https://gisgeography.com/ndvi-normalized-difference-vegetation-index/ https://gisgeography.com/ndvi-normalized-difference-vegetation-index/#comments Tue, 09 May 2017 09:52:25 +0000 http://gisgeography.com/?p=15813 NDVI quantifies vegetation health using near-infrared (which is reflected by vegetation) and red light (which is absorbed by vegetation).

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]]> https://gisgeography.com/ndvi-normalized-difference-vegetation-index/feed/ 17 The Atmospheric Window in Remote Sensing https://gisgeography.com/atmospheric-window/ https://gisgeography.com/atmospheric-window/#comments Sun, 02 Apr 2017 11:42:35 +0000 http://gisgeography.com/?p=14363 The atmospheric window allows specific bands of electromagnetic (EM) radiation to reach the Earth. On the other hand, absorption bands prevent EM radiation.

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]]> https://gisgeography.com/atmospheric-window/feed/ 1 Light Reflection, Absorption and Transmission in Remote Sensing https://gisgeography.com/energy-interaction-remote-sensing-light-reflection-absorption-transmission/ https://gisgeography.com/energy-interaction-remote-sensing-light-reflection-absorption-transmission/#respond Tue, 16 Aug 2016 01:53:27 +0000 http://gisgeography.com/?p=15488 The EM radiation that makes it to Earth is called incident light. From here, Earth's features reflect, absorb and transmit different amounts of energy.

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]]> https://gisgeography.com/energy-interaction-remote-sensing-light-reflection-absorption-transmission/feed/ 0 Composite Bands: Black and White to Color Imagery https://gisgeography.com/arcgis-composite-bands/ https://gisgeography.com/arcgis-composite-bands/#comments Mon, 14 Dec 2015 10:26:05 +0000 http://gisgeography.com/?p=8516 If you want to display rasters in true color, you will have to combine the red, green & blue bands. The ArcGIS Composite Bands tool creates RGB composites.

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]]> https://gisgeography.com/arcgis-composite-bands/feed/ 1 What is Atmospheric Correction in Remote Sensing? https://gisgeography.com/atmospheric-correction/ https://gisgeography.com/atmospheric-correction/#comments Sat, 07 Nov 2015 17:22:56 +0000 http://gisgeography.com/?p=11105 Dark object subtraction, radiative transfer models and atmospheric modelling are common techniques used to for atmosphere correction in remote sensing.

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]]> https://gisgeography.com/atmospheric-correction/feed/ 2 100 Earth Shattering Remote Sensing Applications & Uses https://gisgeography.com/remote-sensing-applications/ https://gisgeography.com/remote-sensing-applications/#comments Wed, 22 Oct 2014 15:00:27 +0000 http://gisgeography.com/?p=1694 This list of earth-shattering remote sensing applications will change the way you feel about how this industry is changing our world and the way we think.

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