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  2. Color balance - Wikipedia

    en.wikipedia.org/wiki/Color_balance

    In photography and image processing, color balance is the global adjustment of the intensities of the colors (typically red, green, and blue primary colors ). An important goal of this adjustment is to render specific colors – particularly neutral colors like white or grey – correctly. Hence, the general method is sometimes called gray ...

  3. Tint, shade and tone - Wikipedia

    en.wikipedia.org/wiki/Tint,_shade_and_tone

    Tint, shade and tone. In color theory, a tint is a mixture of a color with white, which increases lightness, while a shade is a mixture with black, which increases darkness. Both processes affect the resulting color mixture's relative saturation. A tone is produced either by mixing a color with gray, or by both tinting and shading. [1]

  4. Colorfulness - Wikipedia

    en.wikipedia.org/wiki/Colorfulness

    The precise meanings of the terms vary by what other functions they are dependent on. Colorfulness is the "attribute of a visual perception according to which the perceived color of an area appears to be more or less chromatic (Any color that is absent of white, grey, or black) [clarification needed] ".

  5. Hue - Wikipedia

    en.wikipedia.org/wiki/Hue

    Look up hue in Wiktionary, the free dictionary. In color theory, hue is one of the main properties (called color appearance parameters) of a color, defined technically in the CIECAM02 model as "the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, orange, yellow, green, blue, violet ...

  6. Vignetting - Wikipedia

    en.wikipedia.org/wiki/Vignetting

    In photography and optics, vignetting ( / vɪnˈjɛtɪŋ /; vin-YET-ing) is a reduction of an image's brightness or saturation toward the periphery compared to the image center. The word vignette, from the same root as vine, originally referred to a decorative border in a book. Later, the word came to be used for a photographic portrait that is ...

  7. Color grading - Wikipedia

    en.wikipedia.org/wiki/Color_grading

    Color grading. Color grading is a post-production process common to filmmaking and video editing of altering the appearance of an image for presentation in different environments on different devices. Various attributes of an image such as contrast, color, saturation, detail, black level, and white balance may be enhanced whether for motion ...

  8. Color space - Wikipedia

    en.wikipedia.org/wiki/Color_space

    HSV (hue, saturation, value), also known as HSB (hue, saturation, brightness) is often used by artists because it is often more natural to think about a color in terms of hue and saturation than in terms of additive or subtractive color components. HSV is a transformation of an RGB color space, and its components and colorimetry are relative to ...

  9. Image quality - Wikipedia

    en.wikipedia.org/wiki/Image_quality

    Nevertheless, it is important to measure a camera's color response: its color shifts, saturation, and the effectiveness of its white balance algorithms. Distortion is an aberration that causes straight lines to curve. It can be troublesome for architectural photography and metrology (photographic applications involving measurement).