# Scoring Method Types

The Caliper tool bases the score of an edge pattern candidate on how different the edge pattern candidate is from the edge model. You can specify the particular measure that the tool uses to assess this difference. The types of measures that you can specify are called scoring method types. The available scoring method types are

- Position
- Size
- Contrast
- Straddle

When the tool applies a scoring method type to an edge pattern candidate the result is a raw score. The raw score is different for different scoring method types. The scoring method types and their raw scores are described in the following sections.