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  2. Transparency (graphic) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(graphic)

    The edges of characters and other images with transparent background should not have shades of gray: these are normally used for intermediate colors between the color of the letter/image and that of the background, typically shades of gray being intermediate between a black letter and a white background. However, with, for example, a red ...

  3. Personalize your background image, sounds, and toolbar ...

    help.aol.com/articles/personalize-your...

    Personalize your background image, sounds, and toolbar appearance in AOL Desktop Gold Access your settings to see several options that let you make it your own, such as updating the sounds that you hear, adjusting the colors used, and choosing from any of your own images or the vast Flickr library to personalize your background.

  4. Binary image - Wikipedia

    en.wikipedia.org/wiki/Binary_image

    Binary images are also called bi-level or two-level. Pixel art made up of two colours is often referred to as 1-bit in reference to the single bit required to store each pixel. [2] The names black-and-white, B&W, monochrome or monochromatic are often used, but can also designate other image types with only one sample per pixel, such as ...

  5. Grayscale - Wikipedia

    en.wikipedia.org/wiki/Grayscale

    Grayscale images are distinct from one-bit bi-tonal black-and-white images, which, in the context of computer imaging, are images with only two colors: black and white (also called bilevel or binary images). Grayscale images have many shades of gray in between.

  6. Dark-field microscopy - Wikipedia

    en.wikipedia.org/wiki/Dark-field_microscopy

    Dark-field microscopy produces an image with a dark background Operating principles of dark-field and phase-contrast microscopies Dark-field microscopy is a very simple yet effective technique and well suited for uses involving live and unstained biological samples, such as a smear from a tissue culture or individual, water-borne, single-celled ...

  7. Image embossing - Wikipedia

    en.wikipedia.org/wiki/Image_embossing

    Image (b) is the result of a 5×5 filter with the +1 and -1 in the vertical direction; it emphasizes horizontal lines. Since the entries of a given emboss filter matrix sum to zero, the output image has an almost completely black background, with only the edges visible.

  8. Monochrome photography - Wikipedia

    en.wikipedia.org/wiki/Monochrome_photography

    Monochrome photography is photography where each position on an image can record and show a different amount of light (), but not a different color ().The majority of monochrome photographs produced today are black-and-white, either from a gelatin silver process, or as digital photography.

  9. Light-on-dark color scheme - Wikipedia

    en.wikipedia.org/wiki/Light-on-dark_color_scheme

    Light on dark color schemes require less energy to display on OLED displays. This positively impacts battery life and reduces energy consumption. [16]While an OLED will consume around 40% of the power of an LCD displaying an image that is primarily black, it can use more than three times as much power to display an image with a white background, such as a document or web site. [17]