PCI Geomatics - Creating seamless mosaics from Air photos
4.7 (13 ratings)
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PCI Geomatics - Creating seamless mosaics from Air photos

Learn how to take raw air photos and create completely seamless ortho mosaics.
4.7 (13 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.
1,083 students enrolled
Created by Kevin JONES
Last updated 9/2016
Price: Free
  • 36 mins on-demand video
  • 1 Supplemental Resource
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What Will I Learn?
  • Create seamless image maps and cut down on costs related to outsourcing the job
  • Understand how to build a photogrametric model to ensure high overall image registration accuracy
  • Work collaboratively with other and perform muli-user edits to the mosaic preview
  • Create perfectly color balanced final products
View Curriculum
  • Students should be familiar with air photo projects and the supporting information that is typically provided.
  • Students should understand basic photogrametric concepts such as the importance of ground control, tie points, cutlines and color balancing.

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

Working with software to create ortho mosaics can provide flexibility and significant time savings. Many organizations choose to order imagery from a commercial vendor and perform the corrections to the data themselves. 

Who is the intended audience?
If you are responsible for the production of ortho mosaics, or have an interest in creating ortho mosaics for your project or your organization, this course will teach you how to use Geomatica, which will provide all the tools you need to create highly accurate and perfectly color balanced mosaics.

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 will be provided.

How long will it take me to complete the course?
The course materials (videos) run for 35 minutes. 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?
  • Unless you have a role or interest in processing imagery, this course is probably not for you.
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Curriculum For This Course
Introduction and course overview
1 Lecture 01:04

This is the introduction to the course. The course if broken down into 5 lectures.

Preparation of project and automation in OrthoEngine
2 Lectures 14:39

Imagery used in the course can be downloaded for non-commercial, instructional use. The data is courtesy of First Base Solutions http://www.firstbasesolutions.com/ 

Ingesting airphotos and performing block bundle adjustment

In this lesson, we'll use Python to create an XML file that can be used by multiple people to edit the same mosaic. The multi-user mosaic editing tool ensures only one person is working on each part of the mosaic. You can therefore assign multiple quality assurance staff to make edits to the overall mosaic.

Mosaic Preparation
Editing the mosaic and making adjustments prior to final export
1 Lecture 11:42

The mosaic editing tool is a great way to interactively make edits to the mosaic and see what the final result will look like when the full resolution mosaic is created. We will show you how to follow a logical editing process, which starts with setting the overall color balancing across the entire mosaic, making scene / scene level edits, and then drilling down to make dodging point level edits to smaller adjustements.

Mosaic Editing
Exporting the final mosaic and making final adjustments
2 Lectures 08:44

Once you and your team are happy with the mosaic edits and that you have saved the changes in the mosaic editing tool, it's time to export the full resolution version of the mosaic. If you think more improvements are needed you can always go back to the mosaic editor, make additional changes in trouble areas, and re-run the mosaic export.

Generate full resolution mosaic

Even after you have exported the final mosaic, you can use some tools in Focus such as the Smart GeoFill tool to make small adjustments to overexposed areas, or perhaps cloud patching (picking a image with no clouds of the same location and pasting it in to the final mosaic).

Touch ups to final mosaic
About the Instructor
4.5 Average rating
29 Reviews
1,592 Students
2 Courses
Director, Marketing and Pre Sales

Kevin R. Jones has worked in the field of Geomatics since 1996, and currently holds the position of Director, Marketing and Communications at PCI Geomatics. Mr. Jones has been involved in the acquisition, processing, and dissemination of information products derived from Earth Observation imagery throughout his career. Mr. Jones previously held the position of Project Manager for several large international development and commercial projects (ranging from $50,000 to
$5,000,000), and has worked with subcontractors, government partners, and local project partners to deliver innovative and practical solutions that leverage the use of geospatial imagery and technology. Mr. Jones also has extensive experience in bringing technology to market including product design, development, testing, evaluation, and  commercialization.

In 2009 joined PCI Geomatics to lead the Marketing and Communications team. Mr. Jones has successfully rebranded PCI as the provider of scalable, high speed image processing solutions, and played a key role in developing and supporting business partner relations with Esri, Blackbridge, MDA, RapidEye, and over 30 of PCI's International resellers. Mr. Jones implemented the use of social media and the created PCI TV, which has helped to reinforce PCI Geomatics as a leading supplier of software solutions to the global market. In addition, he has lead web seminar production and delivery, international tradeshow strategy/presence, organized and hosted domestic events, and worked with top level executive staff within the company to implement  numerous internal and external programs.

Specialties: Earth Observation, Remote Sensing, Image Processing, Project Management, Marketing, Product Development/Management, Social Media, Video Production, Corporate Communications, Photography