Simon Fraser University Computational Vision Lab Lilong Shi, Brian Funt and Tim Lee. Studies in Appearance of Skin. Overview. Studies of factors affecting skin colour Simple and linear model of skin Modelling Skin appearance under lights Applications:
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Computational Vision Lab
Lilong Shi, Brian Funt and Tim Lee
Skin tone correction
Original Source Signals
s × A = v
(left) 33 skin spectrum after normalization; (right) two independent basis spectrum – the melanin and hemoglobin, and the spectrum of chromophores other than melanin and hemoglobin pigments.
Given a pixel from skin, compute by projecting log(R,G,B) onto
Possible skin colours lie within plane
Input Image 
- Inverse melanin concentration
- Inverse hemoglobin concentration
16 different illumination + camera settings