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Comparison of skin color detection and tracking methods under varying illumination

[+] Author Affiliations
Birgitta Martinkauppi

University of Oulu, Department of Electrical and Information Engineering, P.O. Box 4500, FIN-90014, Finland

Maricor Soriano

University of the Philippines, National Institute of Physics, 1101 Diliman, Quezon City, Philippines

Matti Pietikäinen

University of Oulu, Department of Electrical and Information Engineering, P.O. Box 4500, FIN-90014, Finland

J. Electron. Imaging. 14(4), 043014 (December 30, 2005). doi:10.1117/1.2142307
History: Received June 18, 2004; Revised March 07, 2005; Accepted March 09, 2005; Published December 30, 2005; Online December 30, 2005
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When skin areas such as faces and hands are imaged under natural environments their color appearance is frequently affected by variations in illumination intensity and chromaticity. In color-based skin tracking and detection, changing intensity is often dismissed either with the use of normalized, intensity-invariant color coordinates or by additionally modeling possible skin intensities. Chromaticity variations are rarely considered, although they are common in practice. In most approaches considering chromaticity, the experiments are done with a small or undefined variation range. It is difficult to compare different approaches and assess their applicability range for this reason. To improve the situation, we evaluate the performance of four state-of-the-art methods under drastic but practically common illumination changes. The effect of illumination chromaticity for skin is clearly defined, and based on it we draw conclusion about the performance of these approaches.

© 2005 SPIE and IS&T

Topics

Skin

Citation

Birgitta Martinkauppi ; Maricor Soriano and Matti Pietikäinen
"Comparison of skin color detection and tracking methods under varying illumination", J. Electron. Imaging. 14(4), 043014 (December 30, 2005). ; http://dx.doi.org/10.1117/1.2142307


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