Starting in Module 5a, we will begin learning the techniques, theories and concepts involved in digital image processing. In Module 5, we will cover the (a) properties of Electromagnetic Radiation (EMR) , the source of energy recorded and analyzed in all types of remote sensing. In the lab for Module 5a, we get introduction on the basics of ERDAS Imagine, which we will use for viewing, processing and analyzing digital imagery that ash recorded reflected or emitted Electromagnetic Radiation (EMR). EMR is (b) recorded by different types of remote sensing instruments (including photographic) and then (c) processed and analyzed using digital image processing techniques (using Remote Sensing software such as ERDAS Imagine and ArcGIS). We will cover both Topics (b) and (c) in Module 5b and continue to discuss digital image and analysis techniques in the remaining module's for this course.
Module 5a Topics
Topics covered in Module 5a, include:
(1) Electromagnetic Radiation (EMR)
- Remote Sensors and EMR
- Models of EMR (wave and particle)
- The Electromagnetic Spectrum
- EMR-Atmosphere Interactions (Refraction, Scattering, Absorption, Reflectance)
- EMR-Terrain Interactions
- Irradiance and Radiance
- Corrections
- Types of Sensors
Module 5a Student Learning Outcomes
When you complete this module, you should be able to:- Recall the relationship between EMR and Remote Sensing
- Recall the relationship between size of wavelength and frequency of EMR
- Recall the types of EMR-Atmosphere Interactions and their potential impact on recorded EMR
- Recall the types of EMR-Terrain Interactions and their potential impact on recorded EMR
When you complete this lab, you should be able to:
- Calculate wavelength, frequency, and energy of EMR
- Locate about and use basic tools in ERDAS Imagine
- Learn about and use the Viewer to view data in ERDAS Imagine
- Subset data in ERDAS Imagine as a preprocessing step for making a map (in ArcGIS)
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