Human skin imaging using three-phase spectral matching imager

Akira Kimachi; Shigeru Ando; Motonori Doi; Shogo Nishi

doi:10.1117/12.906169

24 January 2012 Human skin imaging using three-phase spectral matching imager

Akira Kimachi, Shigeru Ando, Motonori Doi, Shogo Nishi

Proceedings Volume 8292, Color Imaging XVII: Displaying, Processing, Hardcopy, and Applications; 82920P (2012) https://doi.org/10.1117/12.906169
Event: IS&T/SPIE Electronic Imaging, 2012, Burlingame, California, United States

Abstract

A method for detecting human skin and identifying the surface condition of it using the three-phase spectral matching imager (3PSMI) is proposed. The 3PSMI produces correlations pixel-wise between the spectrum of an unknown object and an orthonormal pair of known reference spectra by use of the correlation image sensor (CIS), and outputs the result as a complex image at an ordinary video frame rate, thus realizing both real-time operation and high spectral resolution. In order to apply the 3PSMI to human skin, two tasks-discrimination between skin and non-skin objects and evaluation of the degree of suntan and congestion on skin-are considered and methods of generating an orthonormal pair of reference spectra for these tasks are proposed. Experiments on these tasks are carried out on the developed 3PSMI with the reference spectra generated by the proposed methods.

Citation Download Citation

Akira Kimachi, Shigeru Ando, Motonori Doi, and Shogo Nishi "Human skin imaging using three-phase spectral matching imager", Proc. SPIE 8292, Color Imaging XVII: Displaying, Processing, Hardcopy, and Applications, 82920P (24 January 2012); https://doi.org/10.1117/12.906169

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KEYWORDS

Skin

Reflectivity

Imaging systems

Image segmentation

Cameras

Image sensors

Laser induced plasma spectroscopy

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