Advanced Image Matching Methods
Presented by:
Dr.Hamid Ebadi
Advanced Image Matching Methods
Introduction
Reliability of Approach
Extracted Features
Interest Points
Edges
Regions
Shapes
Methods
Feature & Shape Based approach
Relational Based Approach
Flowchart of
Shape Based Matching
Feature-Based Matching
FBM employs as conjugate entities features
extracted from the original gray levels
Edges are the most important features
Stereo vision of Human eye is based on finding
conjugate edges
Feature Extraction
Interest Points
To identify areas with high variance
Interest operator performs the extraction process
Points with distinct features are called interest points
Operators
Moravec
(measures distinctness of an image patch compared to its
surroundings
Forstner
(Rotation invariant and sub-pixel accuracy
Corner points and Circular features are detected
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