Geospatial Image Visualization with PCI Geomatics
4.5 (15 ratings)
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Geospatial Image Visualization with PCI Geomatics

Learn how to view geospatial imagery acquired from Earth observation satellites
4.5 (15 ratings)
Instead of using a simple lifetime average, Udemy calculates a course's star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.
626 students enrolled
Last updated 7/2017
Price: Free
  • 43 mins on-demand video
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What Will I Learn?
  • How to visualize satellite imagery in its native distribution format
  • Apply tools for advance visualization of satellite imagery and its contents
  • Examine the geographic component of satellite imagery
  • Improve the interpretability of satellite images
View Curriculum
  • Students only require a basic understanding of geographic information systems and remote sensing concepts
  • All required software and data is provided, including access to a trial version of Geomatica as well as sample optical satellite imagery

This course is offered by PCI Geomatics, using Geomatica Desktop Image Processing and Analysis Software

Overview: Are you a student learning remote sensing, or does your organization make use of satellite imagery to generate image products or extract valuable information for actionable intelligence? This course will provide you with the basics on how to visualize satellite imagery and its ancillary contents.

Who is the intended audience? This course is intended for university students or professionals who are new to geographic information systems and remote sensing. After this short course you’ll be able to visualize satellite imagery using professional image processing and analysis software.  

What Materials will be used? Students will be able to work with a licensed version of Geomatica as well as sample data sets to follow along with the instructor. Students are expected to install Geomatica on their computer and work with a copy of the data which is provided.

How long will it take me to complete the course? The course materials (videos) run for a little less than an hour. You will likely play the videos several times and review certain steps. The expected time to complete the course is 2-3 hours. 

Who is the target audience?
  • If you have a requirement to view satellite imagery and you'd like to improve the way in which you view and analyze satellite imagery, this course is for you!
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Curriculum For This Course
Introduction and course overview
1 Lecture 01:43

This lecture will introduce you to the course, and you will have access to free imagery provided by the European Space Agency as well as access to a trial version of Geomatica. Using the free images (Sentinel-2 satellite images), you will be able to view the imagery, improve how you view the imagery, and make use of tools to visualize an image's geographic component and its numerical component.

Image Viewing Basics
3 Lectures 17:20

Viewing your imagery in its native format is the first step in Focus. We will use Focus within Geomatica to view our satellite imagery in its native distribution format, and view the different possible methods to opening imagery in Focus. Additionally, we will examine the different distribution formats you might encounter with satellite imagery. 

Viewing satellite imagery in Focus

To better view your images and their contents, we need to import each one of our images to the PCIDSK format. By importing our images to the PCIDSK format, we optimize the viewing of the imagery and centralize all the different files related to an image into a single file for easy handling. The benefits of using the PCIDSK format and how to import to the PCIDSK format are described in this lecture. 

Imagery and the PCI data Format

There are a number of different arrangements of image bands that can be applied to produce natural and false composite RGB images. These different image compositions can be used to highlight features of interest in the landscape. In this lecture, we'll examine the different image management components in Focus and how to configure and view RGB images.

Managing your images in Focus
Tools for Image Visualization
5 Lectures 24:04

When using Focus in Geomatica to visualize your imagery, there are many tools that can be used to control and complement how you view imagery. The following lesson provides an overview of the many tools available and describes mouse functionality related to how we view our imagery. 

Tools and features for viewing imagery

Histogram stretching is a technique applied to improve how we visualize our imagery. Often without histogram stretching, our imagery appears too dark and as a result it's difficult to interpret features in our images. In this lesson, the theory of the histogram stretching technique is explained and a demonstration is provided on how to stretch a histogram. 

Improving image interpretability

Satellite imagery provides much more than just beautiful pictures of the Earth. Much of its valuable information can be found in its pixels across all the channels. The following demonstrates how to view the numerical values of pixels and compute descriptive statistics. 

Digital numbers and raster statistics

The following provides an overview of a variety of tools that can be used to examine the geographic component of satellite imagery. This includes examining the coordinates, performing measurements, other tasks. 

Additional tools for examining images

There are a number of default settings in Focus that control how imagery is loaded and viewed. This lesson highlights some of the available options in Focus to modify how you load and view your imagery to improve user experience. 

Configuring default viewing options in Focus
About the Instructor
Jean-Sébastien Bouffard
4.5 Average rating
15 Reviews
626 Students
1 Course
Technical Solution Specialist

Jean-Sébastien Bouffard has worked in the field of Geomatics since 2008, and currently holds the position of Technical Solution Specialist at PCI Geomatics. Mr. Bouffard has been active in the field of Earth Observation in both academia and industry where he specializes in developing solutions for a variety of applications in different industries.

In 2014, Mr. Bouffard joined PCI Geomatics as an Application Specialist and Quality Assurance Specialist where he had a key role in testing PCI’s product line, and a key role in the design and development of new technology. In 2015, he took on the role of Technical Solution Specialist where he supports PCI’s Sales team, resellers, and many customers with a wide range of operations. In addition, he provides training on PCI’s product line to geospatial professionals worldwide, he has prepared and delivered web seminars, held workshops at industry tradeshows, prepared and delivered events, and works closely with the Research and Development department.   

Specialties: Earth Observation, Remote Sensing, Photogrammetry, GIS, Solution Engineering, Python Coding, R Coding