Announcements
Segmentation
From images to objects
Segmentation using edges
Extracting objects
Image Segmentation
Intelligent Scissors
Intelligent Scissors
Intelligent Scissors
Path Search (basic idea)
How does this really
work?
Defining the costs
Defining the costs
Defining the costs
Dijkstra’s shortest path
algorithm
Dijkstra’s shortest path
algorithm
Dijkstra’s shortest path
algorithm
Dijkstra’s shortest path
algorithm
Dijkstra’s shortest path
algorithm
Dijkstra’s shortest path
algorithm
Results
How about doing this
automatically?
Images as graphs
Segmentation by Graph
Cuts
Cuts in a graph
Interpretation as a
Dynamical System
Interpretation as a
Dynamical System
Color Image Segmentation
Normalize Cut in Matrix
Form