منابع مشابه
About photo-damage of human hair.
This paper reviews the current knowledge about human hair photodamage and the photodegradation mechanisms proposed in the literature. It is shown that there are still a number of questions without answer regarding this issue. For example, a better understanding of the hair structural changes caused by different radiation wavelengths is still lacking. We also find controversies about the effects...
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We present a method for photo-realistic hair rendering, which is based on light scattering from (human) hair fibers. In contrast to existing approaches our method gives realistic results also for light hair types and for close-ups. These results are obtained by using a “near-field” model taking into account different scattering components and indirect illumination. Our near-field model is a gen...
متن کاملSingle Photo Estimation of Hair Appearance
Significant progress has been made in high-quality hair rendering, but it remains difficult to choose parameter values that reproduce a given real hair appearance. In particular, for applications such as games where naive users want to create their own avatars, tuning complex parameters is not practical. Our approach analyses a single flash photograph and estimates model parameters that reprodu...
متن کاملEffects of hair dyeing on DNA damage in human lymphocytes.
Comet assays were carried out to evaluate DNA damage in human lymphocytes from 20 volunteers before and after hair dyeing. DNA damage in lymphocytes was found to be slightly higher in volunteers after hair dyeing. Tail moments before and after hair dyeing were 1.47 +/- 0.41 and 1.75 +/- 0.29 respectively (p<0.0008). DNA damage in lymphocytes showed significant difference with treatment and heat...
متن کاملUV damage of the hair.
Hair is a very important for our self-confidence as well as a very important part of appearance and self-concept. It reflects our personality and hair loss or hair damages are considered aesthetic imperfections and social handicap. Outward part of the hair is a "hair shaft" keratin fiber structure sensible to external effects whether they are mechanical, physical or chemical. Excessive sun expo...
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ژورنال
عنوان ژورنال: Photochem. Photobiol. Sci.
سال: 2006
ISSN: 1474-905X,1474-9092
DOI: 10.1039/b504574f