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  2. Fitzpatrick scale - Wikipedia

    en.wikipedia.org/wiki/Fitzpatrick_scale

    The Fitzpatrick scale has been criticized for its Eurocentric bias and insufficient representation of global skin color diversity. [9] The scale originally was developed for classifying "white skin" in response to solar radiation, [2] and initially included only four categories focused on white skin, with "brown" and "black" skin types (V and VI) added as an afterthought.

  3. Skin whitening - Wikipedia

    en.wikipedia.org/wiki/Skin_whitening

    Skin whitening, also known as skin lightening and skin bleaching, is the practice of using chemical substances in an attempt to lighten the skin or provide an even skin color by reducing the melanin concentration in the skin.

  4. Image analysis - Wikipedia

    en.wikipedia.org/wiki/Image_analysis

    There are many different techniques used in automatically analysing images. Each technique may be useful for a small range of tasks, however there still aren't any known methods of image analysis that are generic enough for wide ranges of tasks, compared to the abilities of a human's image analysing capabilities.

  5. Color analysis - Wikipedia

    en.wikipedia.org/wiki/Color_analysis

    Color analysis (American English; colour analysis in Commonwealth English), also known as personal color analysis (PCA), seasonal color analysis, or skin-tone matching, is a term often used within the cosmetics and fashion industry to describe a method of determining the colors of clothing and cosmetics that harmonize with the appearance of a person's skin complexion, eye color, and hair color ...

  6. Leprosy - Wikipedia

    en.wikipedia.org/wiki/Leprosy

    Common symptoms present in the different types of leprosy include a runny nose; dry scalp; eye problems; skin lesions; muscle weakness; reddish skin; smooth, shiny, diffuse thickening of facial skin, ear, and hand; loss of sensation in fingers and toes; thickening of peripheral nerves; a flat nose from the destruction of nasal cartilages; and changes in phonation and other aspects of speech ...

  7. Face validity - Wikipedia

    en.wikipedia.org/wiki/Face_validity

    Face validity is the extent to which a test is subjectively viewed as covering the concept it purports to measure. It refers to the transparency or relevance of a test as it appears to test participants.

  8. Hair analysis - Wikipedia

    en.wikipedia.org/wiki/Hair_analysis

    Hair analysis may refer to the chemical analysis of a hair sample, but can also refer to microscopic analysis or comparison. Chemical hair analysis may be considered for retrospective purposes when blood and urine are no longer expected to contain a particular contaminant, typically three months or less.

  9. Context analysis - Wikipedia

    en.wikipedia.org/wiki/Context_analysis

    Context analysis is a method to analyze the environment in which a business operates.Environmental scanning mainly focuses on the macro environment of a business. But context analysis considers the entire environment of a business, its internal and external environment.