GEOG 4770 - Remote Sensing of the Environment

GEOG 4770: Remote Sensing of the Environment

GEOG 4770: Remote Sensing of the Environment

Exam 3

Due on Thursday, May 19

100 points

1. The selection of training data is the most important part of a supervised classification project. List four points you should consider in selecting training data for a supervised classification project. (10 points)

2. Define the following terms:

a. Map accuracy (10 points)

b. Thematic precision (10 points)

3. Differentiate Spatial Accuracy from Thematic Accuracy. (20 points)

4. List and briefly explain the steps for performing thematic accuracy assessment. (20 points)

5. Briefly explain the following terms associated with accuracy assessment:

a. Overall accuracy (10 points)

b. Errors of omission (5 points)

c. Errors of commission (5 points)

d. User’s accuracy (5 points)

e. Producer’s accuracy (5 points)