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Journal of Electronic Imaging

Comparison of skin color detection and tracking methods under varying illumination
Author(s): J. Birgitta Martinkauppi; Maricor N. Soriano; Matti Pietikäinen
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Paper Abstract

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.

Paper Details

Date Published: 1 October 2005
PDF: 19 pages
J. Electron. Imaging. 14(4) 043014 doi: 10.1117/1.2142307
Published in: Journal of Electronic Imaging Volume 14, Issue 4
Show Author Affiliations
J. Birgitta Martinkauppi, Joensuu Yliopisto (Finland)
Maricor N. Soriano, Univ. of the Philippines (Philippines)
Matti Pietikäinen, Univ. of Oulu (Finland)

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