Measuring 3-D shapes of a human face using photometric stereo method with color light sources and slit patterns

Hitoshi Saji; Hiromasa Nakatani

doi:10.1117/1.1598434

1 September 2003 Measuring 3-D shapes of a human face using photometric stereo method with color light sources and slit patterns

Hitoshi Saji, Hiromasa Nakatani

Author Affiliations +

Optical Engineering, Vol. 42, Issue 9, (September 2003). https://doi.org/10.1117/1.1598434

We propose a new method for measuring 3-D facial shapes. This method uses two point light sources with red filters and a slit pattern projector with a blue filter. The time required for sampling data can be reduced by switching the color light rays at high speed, and hence a series of 3-D shapes of a human face at each instant can be measured. First, two facial images projected by both the red light rays and the blue light stripes are taken by the video camera, and these images are separated into two shading images and one slit image using the color information. Next, the normal vectors at points on the face are computed from the two shading images using the photometric stereo method. The 3-D coordinates of the points on the light stripes are measured from the slit image using the stereo vision algorithm. Finally, all the computed results are blended and the 3-D shape of the face is computed. Experimental results are shown to demonstrate the feasibility of the proposed method.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Hitoshi Saji and Hiromasa Nakatani "Measuring 3-D shapes of a human face using photometric stereo method with color light sources and slit patterns," Optical Engineering 42(9), (1 September 2003). https://doi.org/10.1117/1.1598434

Published: 1 September 2003

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

;

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE