New procedure for capturing spectral images of human portraiture

Qun Sun; Mark D. Fairchild

doi:10.1117/12.464632

6 June 2002 New procedure for capturing spectral images of human portraiture

Qun Sun, Mark D. Fairchild

Proceedings Volume 4421, 9th Congress of the International Colour Association; (2002) https://doi.org/10.1117/12.464632
Event: 9th Congress of the International Color Association, 2001, Rochester, NY, United States

Abstract

This paper describes a new procedure of capturing spectral images of human portraiture. The designed imaging system was calibrated directly based on real human subjects and has the capability to provide accurate spectral images of human faces, including facial skin as well as the lips, eyes, and hair, from various ethnic races. The facial spectral reflectances obtained were analyzed by principal components analysis (PCA) method. Based on the results of PCA, spectral images using both three and six wide-band spectral sampling were estimated. The reconstructed spectral images for display based on an sRGB display model are evaluated. The results have proved that this new spectral imaging procedure is successful. The results also show that three basis functions are accurate enough to estimate the spectral reflectance of human faces. The derived spectral images can be applied to color-imaging system design and analysis.

Citation Download Citation

Qun Sun and Mark D. Fairchild "New procedure for capturing spectral images of human portraiture", Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002); https://doi.org/10.1117/12.464632

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