Announcements

Segmentation (Part 2)

From images to objects

Image Segmentation

Image histograms

What do histograms look like?

Histogram-based segmentation

Histogram-based segmentation

Clustering

Break it down into subproblems

K-means clustering

Cleaning up the result

Dilation operator:

Dilation operator

Erosion operator:

Erosion operator

Nested dilations and erosions

Nested dilations and erosions

Nested dilations and erosions

Model-based segmentation

The Hough transform

Finding lines in an image

Finding lines in an image

Hough transform algorithm

Extensions

Summary