FE423 - Review I

1
FE423 - Review I

• March 7, 2000

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Overview

• Hydrologic Functions
• Cost Functions
• Regression
• Image Classification

3
Hydrologic Functions

• Flow Direction
• Flow Accumulation
• watershed
• weighting grid
• Flow Distance
• delivery

4
Cost Functions

• Approach
• Identify sources
• Identify transit costs
• Uses
• Delineate settings
• Map traffic

5
Regression

• Types
• linear y?aixi
• logistic p1/(1exp(-?aixi))
• log y?xiai
• Approach
• make model form
• sample data
• run regression
• predict

6
Image Classification

• Approach
• make training set
• make signature
• classify
• Types
• supervised
• unsupervised