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  2. Normalization (image processing) - Wikipedia

    en.wikipedia.org/wiki/Normalization_(image...

    Local contrast stretching considers each range of color palate in the image (R, G, and B) separately, providing a set of minimum and maximum values for each color palate. Global Contrast Stretching, on the other hand, considers all color palate ranges at once to determine the maximum and minimum values for the entire RGB color image.

  3. Histogram equalization - Wikipedia

    en.wikipedia.org/wiki/Histogram_equalization

    For example, if applied to 8-bit image displayed with 8-bit gray-scale palette it will further reduce color depth (number of unique shades of gray) of the image. Histogram equalization will work the best when applied to images with much higher color depth than palette size, like continuous data or 16-bit gray-scale images.

  4. Adaptive histogram equalization - Wikipedia

    en.wikipedia.org/wiki/Adaptive_histogram...

    Adaptive histogram equalization (AHE) is a computer image processing technique used to improve contrast in images. It differs from ordinary histogram equalization in the respect that the adaptive method computes several histograms, each corresponding to a distinct section of the image, and uses them to redistribute the lightness values of the image.

  5. Unsharp masking - Wikipedia

    en.wikipedia.org/wiki/Unsharp_masking

    In the photographic procedure, the amount of blurring can be controlled by changing the "softness" or "hardness" (from point source to fully diffuse) of the light source used for the initial unsharp mask exposure, while the strength of the effect can be controlled by changing the contrast and density (i.e., exposure and development) of the ...

  6. Gamma correction - Wikipedia

    en.wikipedia.org/wiki/Gamma_correction

    Graphics card and monitor contrast and brightness have an influence on effective gamma, and should not be changed after gamma correction is completed. The top two bars of the test image help to set correct contrast and brightness values. There are eight three-digit numbers in each bar.

  7. US stocks fall sharply and Dow tumbles 1,100 points ... - AOL

    www.aol.com/stock-market-today-asian-stocks...

    U.S. stocks tumbled to one of their worst days of the year after the Federal Reserve hinted Wednesday it may deliver fewer shots of adrenaline for the U.S. economy in 2025 than earlier thought.

  8. Buses, football and food top 2024 Pork Report - AOL

    www.aol.com/news/buses-football-food-top-2024...

    USA TODAY. Amber Heard supports Blake Lively, slams 'destructive' lies on social media. Entertainment. People. How Judy Garland made 'Have Yourself a Merry Little Christmas' less depressing than i

  9. Are the Chiefs the NFL's worst-ever 9-0 team? - AOL

    www.aol.com/sports/chiefs-nfls-worst-ever-9...

    The Today Show. All about the ‘Tom Cruise cake’: Who gets it and how to order it. Entertainment. The Today Show. See how Hoda Kotb honors ex-fiance Joel Schiffman in her new house’s holiday ...