Reflectance-Based, Imaging Spectrometer Error Budget Training Course

15-17 July 2016

The Chinese Academy of Sciences, Beijing, China


Sponsored by the IEEE Geoscience and Remote Society, The Geoscience Spaceborne Imaging Spectroscopy Technical Committee


The goal of the training activity is to:

The duration of the course is three days, beginning with an introduction to the terminology and techniques of imaging spectroscopy calibration (both laboratory-based and in-flight) and an overview of the Reflectance-Based Method. Discussions on atmospheric and surface measurements will be provided as well as an overview of atmospheric radiative transfer. Each section includes a discussion of the tools used, their related uncertainties, and the impact on the reflectance-based results.

The training includes a practical session using real world examples for the selection of vicarious calibration sites as a means to demonstrate the application of the concepts and to foster participant discussion within the course.

A course overview is given below, with each numbered unit constituting approximately 20 minutes of class time. This course is sponsored by the IEEE GRSS as part of the Geoscience Imaging Spectroscopy Technical Committee's Calibration And Validation Initiative. A requirement of the course is that participants have some previous experience and/or formal background in optical remote sensing. Preference will be given to early career scientists and people associated and/or are working in spaceborne imaging spectroscopy teams.

Note that most of the PDF and video links do not work yet, as we are still processing. Sorry.
The unprocessed videos are available on youtube.



Agenda

Introduction to calibration
pdf, mp4
  1. General terminology, pdf, mp4
  2. Calibration concepts, pdf, mp4
  3. Pre-launch characterization and calibration methodologies, pdf, mp4
  4. In-flight characterization and calibration methodologies, pdf, mp4
Reflectance-based method overview
  1. Basic approach, pdf, mp4
  2. Results from a selection of vicarious calibration sites, pdf, mp4
  3. Site location, pdf, mp4
  4. TOA Radiance/reflectance determination, pdf, mp4
  5. Uncertainty sources (solar, geolocation) , pdf, mp4
  6. Error budget , pdf, mp4
Conversion of sensor DN to spectral radiance to spectral reflectance
pdf, mp4

Reflectance-based method - The atmosphere
pdf
  1. Concepts and approaches, pdf, mp4
  2. Equipment and reference standards, pdf, mp4
  3. Measurement approaches, pdf, mp4
  4. Example results, pdf, mp4
  5. Uncertainty sources, pdf, mp4
  6. Reflectance-based error budget discussion, pdf, mp4
Reflectance-based method - The surface
pdf
Bachmann: Atmos-correction: pdf
atcor4_manual.pdf
Bachmann: uncertainty: pdf
  1. Concepts and approaches, pdf, mp4
  2. Equipment and reference standards, pdf, mp4
  3. Measurement approaches, pdf, mp4
  4. Example results, pdf, mp4
  5. Uncertainty sources, pdf, mp4
  6. Reflectance-based error budget discussion, pdf, mp4
Reflectance-based method - Radiative transfer
pdf
  1. Basics of radiative transfer, pdf, mp4
  2. Necessary inputs, pdf, mp4
  3. Example results, pdf, mp4
  4. Uncertainties, pdf, mp4
Sensitivity analyses
pdf
  1. Input variability, pdf, mp4
  2. Atmosphere-surface coupling, pdf, mp4
  3. Site-related dependencies, pdf, mp4
  4. Example results, pdf, mp4
Error budget
pdf
pdf
  1. Traceability, pdf, mp4
  2. Repeatability versus accuracy, pdf, mp4
  3. Conversion of sensitivity analysis to an error budget, pdf, mp4
  4. Largest uncertainties for reflectance-based method, pdf, mp4
Site selection
pdf
  1. Examples of current sites and how they were selected, pdf, mp4
  2. Natural versus man-made, pdf, mp4
  3. Key parameters, pdf, mp4
  4. Accuracy, uncertainties and traceability, pdf, mp4
Site selection for imaging spectroscopy sensors to be launched in the next 5 years - session 1
pdf
  1. Overview and specifications of imaging spectroscopy sensors to be launched In the next 5 years, pdf, mp4
  2. Need for new sites, pdf, mp4
  3. Prospective sites, pdf, mp4
  4. Student practicum, pdf, mp4
Site selection practical session Windows software for viewing spectrograms: ViewSpecPro_6_0_11_Setup.exe, Manual

Site selection for imaging spectroscopy sensors to be launched in the next 5 years - session 2
  1. Presentation of class site selection results from practical session, pdf, mp4
  2. Discussion of student results, pdf, mp4
  3. The team's current choice, pdf, mp4
Conclusions and wrap up
pdf
  1. How do we improve repeatability?, pdf, mp4
  2. How do we improve accuracy?, pdf, mp4
  3. Role of automation, pdf, mp4
  4. Role of CLARREO/TRUTHS, pdf, mp4
  5. Final comments, pdf, mp4