Lesson 6: Image Acquisition and Interpretation

Nicolas MalloyAuthor: Nicolas R. Malloy


6.1 Overview


It is possible that many, if not most, of my students were not alive before digital aerial imagery became commonplace. Most also have little direct experience with film-based photographs. Today, anyone with an internet connection and a web browser can view images from aircraft and space satellites. With imagery so commonplace and accessible, I find many students take it for granted.

However, there are still new frontiers emerging in image collection, application, and processing. The scientific and educational potential of civilian operated unmanned aerial systems (UAS) is just one. Lesson 6 presents the phenomenon, concepts, equipment, and methods behind the science of Remote Sensing.

Learning Outcomes

  • Describe the basic principles of electromagnetic energy
  • Summarize spectral bands and their mapping applications
  • Identify different types of imagery resolution
  • Compare the differences between aerial photographs and digital imagery
  • Discuss active and passive sensing
  • List remote sensing platforms
  • Recall historical and current national and commercial programs for image acquisition
  • Explain the principles of image correction
  • Apply image enhancement techniques.
  • Articulate the fundamentals of image interpretation and classification


Navigating Lesson 6 Page Sections


The table of contents menu on the right outlines individual pages for this lesson. While reading, you may also navigate through pages using the numbered pagination links at the bottom of each page.