Pattern matching

This chapter explains how to use the Aurora Imaging Library Pattern Matching module to perform normalized grayscale correlation (NGC) pattern matching.

In this chapter

• Pattern matching in general
• Steps to performing a pattern search
• Basic concepts
• Defining a model
• Rotation
• Masking the model
• Search constraints
• Preprocess the search model
• Speeding up the search
• Pattern matching algorithm for advanced users
• Pattern matching examples