نتایج جستجو برای: skin color variation

تعداد نتایج: 598475  

Journal: :FASEB journal : official publication of the Federation of American Societies for Experimental Biology 2007
Yasuko Yoshida Akira Hachiya Penkanok Sriwiriyanont Atsushi Ohuchi Takashi Kitahara Yoshinori Takema Marty O Visscher Raymond E Boissy

Skin color is one of the most distinct features in the human race. To assess the mechanisms of skin color variation, human skin substitutes (HSS) were constructed by grafting mixtures of cultured keratinocytes and melanocytes from a combination of donor skin types, together with light skin derived fibroblasts, into chambers inserted onto the back skin of severe combined immunodeficient (SCID) m...

Journal: :Journal of biomedical optics 2012
Byungjo Jung Soobyeong Kim Yunjin Bae Heesung Kang Yongheum Lee J Stuart Nelson

Skin erythema has been widely used as a diagnostic parameter in dermatology. This study describes a methodology for real-time measurement of skin erythema variation induced by negative compression. This study developed an optical measurement probe, which includes a RGB color sensor that translates in the vertical direction, with the magnitude of vertical translation dependening on the amount of...

Journal: :American Journal of Physical Anthropology 2020

2013
Ravi Subban

Enhancing the performance of human face detection, tracking and recognition has been done by skin detection considering it as the fundamental step for the several decades. Of the evolved skin detection techniques, skin cluster classifier based on the human skin tone color are considered along with the concept of combination of two color spaces. This paper presents a novel method of combining mo...

Journal: :Medical hypotheses 2010
Mark Changizi Kevin Rio

Central cyanosis refers to a bluish discoloration of the skin, lips, tongue, nails, and mucous membranes, and is due to poor arterial oxygenation. Although skin color is one of its characteristic properties, it has long been realized that by the time skin color signs become visible, oxygen saturation is dangerously low. Here we investigate the visibility of cyanosis in light of recent discoveri...

2014
Sungyoung Kim

Skin color detection is the process that classifies unknown colors into skin or non-skin classes. Skin color detection is preliminary step for facial or gesture analysis and can reduce search space for next higher level processing. In this paper, we show that proposed PCAbased color representation can give better performance than other frequently used color spaces such as XYZ and Luv. For skin ...

Journal: :Western Journal of Nursing Research 2014

Journal: :Pattern Recognition Letters 2012

2003
Juneho Yi Jiyoung Park Jongsun Kim Jongmoo Choi

This research features a new method for skin color segmentation using a 2D plane in the RGB color space. The RGB color values of the input color image do not need to be converted into HSI or YIQ color coordinates that have popularly been used for color segmentation. We have observed an important fact that skin colors in the RGB color space are approximately distributed in a linear fashion. Base...

2010
Gen LI Jae Kyu Suhr Dongik Kim Ho Gi Jung Jaihie Kim

Detecting skin color from image sequences has played an important role in many computer vision applications, such as face detection and tracking. Even though there are a number of approaches for skin color detection, most of the existing algorithms produce false positives when non-skin pixels have similar color to skin color. To overcome this problem, this paper proposes a method that combines ...

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