Recognition

Recognition

Recognition problems

Face detection

One simple method:  skin detection

Skin detection

Skin classification techniques

Probability

Probabilistic skin classification

Learning conditional PDF’s

Learning conditional PDF’s

Bayes rule

Bayesian estimation

Bayesian estimation

Skin detection results

General classification

Linear subspaces

Dimensionality reduction

Linear subspaces

Principal component analysis

The space of faces

Dimensionality reduction

Eigenfaces

Projecting onto the eigenfaces

Recognition with eigenfaces

Choosing the dimension K

Object recognition