Remote sensing

Image of the Week – Southern California Wildfires Update

Image of the Week – Southern California Wildfires Update

Image of the Week – Southern California Wildfires Update After a month, the wildfires of Southern California are nearly contained. Landsat 8 imagery shows the dramatic burn scars left behind. At the USGS EROS Center, we study land change, operate the Landsat satellites, and maintain the longest, continuously acquired collection of images of the Earth’s land surface.

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Sentinel-1 InSAR Coherence and Backscatter for Urban Area classification of Mogadishu

Sentinel-1 InSAR Coherence and Backscatter for Urban Area classification of Mogadishu

Sentinel-1 InSAR Coherence and Backscatter for Urban Area classification of Mogadishu 1. Search and Query an INSAR IW Sentinel-1 pair 2. Preprocessing in SNAP: Split, Update Orbit, Coregister (Backgeocoding), Multilooking, Speckle Filtering, Range Doppler Terrain Correction. 3. Classification in ArcMap using the Image classification toolbar 4. Validation with ESRI Image Service

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ERDAS Imagine Satellite Image Fusion (pan sharpening) using HPF (Improve Spatial Resolution)

ERDAS Imagine Satellite Image Fusion (pan sharpening) using HPF (Improve Spatial Resolution)

ERDAS Imagine Satellite Image Fusion (pan sharpening) using HPF (Improve Spatial Resolution) This video tutorial helps to perform image fusion with HPF using ERDAS Imagine. Image fusion means the combining of two images into a single image that has the maximum information content without producing details that are non-existent in the given images. “Pan Sharpening” is shorthand for “Panchromatic sharpening”. ...

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Supporting your GIS projects with UAS LiDAR

Supporting your GIS projects with UAS LiDAR

Supporting your GIS projects with UAS LiDAR Join Ian Ray and Jon Budreski of AirShark & Media Wing in this presentation on the essentials of UAS (Unmanned Aerial Systems) based LiDAR data acquisition. They will discuss the basics of the platform and sensor, benefits and constraints, planning and executing missions as well as raw data and deliverables generated from UAS ...

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Image of the Week – Southern California Wildfires

Image of the Week – Southern California Wildfires, December 2017

Image of the Week – Southern California Wildfires, December 2017 The Thomas fire has burned more than 230,000 acres and continues to blaze across souther California. These images show some of the burn scar left behind. At the USGS EROS Center, we study land change, operate the Landsat satellites, and maintain the longest, continuously acquired collection of images of the ...

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