Boosting DemoObject Detection Using the Statistics of Parts

andRobust Real-time Object Detection

Peter Barnum

March 6, 2006

Advanced Perception

Boosting 101

2 Classes of Apples

Slides from boosting.org

Strong Classifiers

Strong Classifiers

Adaboost: Example

Slides from boosting.org

1st Hypothesis

Slides from boosting.org

Recomputing Weighting

Slides from boosting.org

2nd Hypothesis

Slides from boosting.org

Recomputing Weighting

Slides from boosting.org

3rd Hypothesis and Reweighting

Slides from boosting.org

4th Hypothesis

Slides from boosting.org

Combination of Hypotheses

Slides from boosting.org

Decision Surface

Slides from boosting.org

Decision Surface

Slides from boosting.org

Demo

Classification Demo

http://www.cs.technion.ac.il/~rani/LocBoost/

Uses the Weka Java machine learning package

http://sourceforge.net/projects/weka/

Face Detection

Eigenfaces (In 10 Seconds)

Images from DeCoro

Schneiderman & Kanade Eigenfaces Viola & Jones

Schneiderman & Kanade Viola & Jones

Schneiderman & Kanade Viola & Jones

Schneiderman & Kanade Viola & Jones

Outtakes