Hyperspectral Imagery Lab

SO503, Spring 2013

Insure that you have the latest version of Microdem and its help file.

Download and unzip the data file (only available in USNA): http://www.usna.edu/Users/oceano/pguth/downloads/usnaonly/hyper_houston.zip

The instructions are in the help file: Experimental options, Hyperspectral imagery analysis.

Answer the following Questions in a word document:

• What part of the spectrum has the bands with the most detail and contrast in imagery?  Insure that you compare the blue and the NIR, and why you prefer either the true color or the false color imagery.
• What part of the spectrum has the bands with the most difference among the categories?
• Which categories are most heterogenous?  most homogenous?
• Can you identify what is in any of the clusters from the unsupervised classification?
• Which part of the image appears to have the biggest classification problems?  Why?
• What settings do you think provide the best supervised classification?