Human Skin Colour Clustering for Face

Detection

“15 Seconds of Fame”

Jure Kovač, Peter Peer, Franc Solina

Computer Vision LaboratoryFaculty of Computer and Information ScienceUniversity of Ljubljana, Slovenia

“In the future everybody will be famous for 15 minutes.”

Andy Warhol

Marilyn Monroe (Andy Warhol, 1964)

Application Contribution Skin models Tested using our

algorithm Purpose

An interactive art installation 15 second of fame

Hardware

Digital camera LCD monitor

computer

USB

Software

input photo

finding faces

transformation color filter

pop-art portrait

illumination compensation learning

15 second loop

Roadmap

Face detection algorithm Skin labeling approaches Illumination compensation

approaches Pop-art color transformations Summary

Face detection method #1Our original face detection method

Face detection method #2Simplified face detection method

Skin labeling approaches #1

Our modelin RGB colour space

Skin labeling approaches #2

Model #1in UV colour space

Hsu et al(TPAMI’02)

Cb Cr

Y Y

Skin labeling approaches #3

Model #2in UV colour space

Hsu et al(TPAMI’02)

Cb

Cr

Skin labeling approaches #4 –Results #1

Skin labeling approaches #4 –Results #2

Skin labeling approaches #4 –Results #3

Eliminating the influence of non-standard illumination

Grey World Modified Grey World White-Patch Retinex

Color by Correlation

Color transformations

+ color-balance

+ random coloring

+ posterize+ hue-saturation

+ color-balance+ posterize+ hue-saturation

= 17 universal filters

Different displayingE-mail ordering of portraits

Conclusions

Graz (Austria), Zagreb (Croatia) Leonardo (MIT Press) Rent/Buy

For our detection scheme the 3D Color space proved better!!!

The people accepted application very well

The gallery of famous people

from the project web page: black.fri.uni-lj.si/15sec

The first public showing