Preliminary experiments on quantification of skin condition

Kenzo Kitajima; Hitoshi Iyatomi

doi:10.1117/12.2044018

11 March 2014 Preliminary experiments on quantification of skin condition

Kenzo Kitajima, Hitoshi Iyatomi

Proceedings Volume 9037, Medical Imaging 2014: Image Perception, Observer Performance, and Technology Assessment; 90371B (2014) https://doi.org/10.1117/12.2044018
Event: SPIE Medical Imaging, 2014, San Diego, California, United States

Abstract

In this study, we investigated a preliminary assessment method for skin conditions such as a moisturizing property and its fineness of the skin with an image analysis only. We captured a facial images from volunteer subjects aged between 30s and 60s by Pocket Micro (R) device (Scalar Co., Japan). This device has two image capturing modes; the normal mode and the non-reflection mode with the aid of the equipped polarization filter. We captured skin images from a total of 68 spots from subjects' face using both modes (i.e. total of 136 skin images). The moisture-retaining property of the skin and subjective evaluation score of the skin fineness in 5-point scale for each case were also obtained in advance as a gold standard (their mean and SD were 35.15 +/- 3.22 (μS) and 3.45 +/- 1.17, respectively). We extracted a total of 107 image features from each image and built linear regression models for estimating abovementioned criteria with a stepwise feature selection. The developed model for estimating the skin moisture achieved the MSE of 1.92 (μS) with 6 selected parameters, while the model for skin fineness achieved that of 0.51 scales with 7 parameters under the leave-one-out cross validation. We confirmed the developed models predicted the moisture-retaining property and fineness of the skin appropriately with only captured image.

Citation Download Citation

Kenzo Kitajima and Hitoshi Iyatomi "Preliminary experiments on quantification of skin condition", Proc. SPIE 9037, Medical Imaging 2014: Image Perception, Observer Performance, and Technology Assessment, 90371B (11 March 2014); https://doi.org/10.1117/12.2044018

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