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NV5 Geospatial Blog

Each month, NV5 Geospatial posts new blog content across a variety of categories. Browse our latest posts below to learn about important geospatial information or use the search bar to find a specific topic or author. Stay informed of the latest blog posts, events, and technologies by joining our email list!



Not All Supernovae Are Created Equal: Rethinking the Universe’s Measuring Tools

Not All Supernovae Are Created Equal: Rethinking the Universe’s Measuring Tools

6/3/2025

Rethinking the Reliability of Type 1a Supernovae   How do astronomers measure the universe? It all starts with distance. From gauging the size of a galaxy to calculating how fast the universe is expanding, measuring cosmic distances is essential to understanding everything in the sky. For nearby stars, astronomers use... Read More >

Using LLMs To Research Remote Sensing Software: Helpful, but Incomplete

Using LLMs To Research Remote Sensing Software: Helpful, but Incomplete

5/26/2025

Whether you’re new to remote sensing or a seasoned expert, there is no doubt that large language models (LLMs) like OpenAI’s ChatGPT or Google’s Gemini can be incredibly useful in many aspects of research. From exploring the electromagnetic spectrum to creating object detection models using the latest deep learning... Read More >

From Image to Insight: How GEOINT Automation Is Changing the Speed of Decision-Making

From Image to Insight: How GEOINT Automation Is Changing the Speed of Decision-Making

4/28/2025

When every second counts, the ability to process geospatial data rapidly and accurately isn’t just helpful, it’s critical. Geospatial Intelligence (GEOINT) has always played a pivotal role in defense, security, and disaster response. But in high-tempo operations, traditional workflows are no longer fast enough. Analysts are... Read More >

Thermal Infrared Echoes: Illuminating the Last Gasp of a Dying Star

Thermal Infrared Echoes: Illuminating the Last Gasp of a Dying Star

4/24/2025

This blog was written by Eli Dwek, Emeritus, NASA Goddard Space Flight Center, Greenbelt, MD and Research Fellow, Center for Astrophysics, Harvard & Smithsonian, Cambridge, MA. It is the fifth blog in a series showcasing our IDL® Fellows program which supports passionate retired IDL users who may need support to continue their work... Read More >

A New Era of Hyperspectral Imaging with ENVI® and Wyvern’s Open Data Program

A New Era of Hyperspectral Imaging with ENVI® and Wyvern’s Open Data Program

2/25/2025

This blog was written in collaboration with Adam O’Connor from Wyvern.   As hyperspectral imaging (HSI) continues to grow in importance, access to high-quality satellite data is key to unlocking new insights in environmental monitoring, agriculture, forestry, mining, security, energy infrastructure management, and more.... Read More >

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Learning About Remote Sensing

Anonym

As image processing software becomes more automated and therefore easier to use, I find myself talking to more people who have less formal education in remote sensing.  It’s a great thing that this technology is becoming more accessible to more people.  And yet, to get the most out of remotely sensed data, it can really help to have some basic knowledge, and access to resources for learning more about remotely sensed data and analyses.  With that in mind, I thought I’d list a few good resources for learning basic remote sensing topics that I’ve run across over the years:

Centre for Remote Imaging, Sensing & Processing (CRISP)

A thorough introduction to remote sensing by Dr. S. C. Liew at the National University of Singapore.  This tutorial is well written and comprehensive, with good illustrations.  I would have liked to see an outline up front somewhere, though.  You pretty much need to page through the whole tutorial to find the different sections.

Dr. Nicholas Short's Remote Sensing Tutorial (NASA)

21 extensive chapters covering basic principles of remote sensing, types of sensors, image processing and interpretation, and applications of remote sensing in various fields.  The original author (Dr. Nicholas Short himself) passed away in 2011, and this tutorial is a bit dated in places.  But it looks like some effort has been made to update it over the years.  Advanced sensors such as hyperspectral, LiDAR, and polarimetric SAR are discussed.

Natural Resources Canada - Canada Centre for Remote Sensing’s Remote Sensing Tutorials

Exercises (with solutions) illustrating various topics in remote sensing, including basic principles, image analysis and interpretation, different types of sensors, and other topics.  I especially suggest taking a look at the Fundamentals of Remote Sensing tutorial, which was most recently updated in 2008.  That tutorial is aimed at senior high school or early university level.  Maybe it’s just me, but I find the navigation of this tutorial site to be non-intuitive.  For some of the tutorials you will need to click an “Introduction” link in the left navigation bar to get started.

COMET Satellite Meteorology Course

A series of lessons on the basic physics of remote sensing, aimed at the university/professional level.  The presentation is very old school, and some of the graphics show dated software interfaces, but the physics doesn’t change, so the info is still good.  COMET is the Cooperative Program for Operational Meteorology, Education and Training.

Which tools for teaching remote sensing do you use most often?

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