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  2. 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.

  3. Binary image - Wikipedia

    en.wikipedia.org/wiki/Binary_image

    A binary image is a digital image that consists of pixels that can have one of exactly two colors, usually black and white. Each pixel is stored as a single bit — i.e. either a 0 or 1. A binary image can be stored in memory as a bitmap : a packed array of bits.

  4. Digital imaging - Wikipedia

    en.wikipedia.org/wiki/Digital_imaging

    A key advantage of a digital image, versus an analog image such as a film photograph, is the ability to digitally propagate copies of the original subject indefinitely without any loss of image quality. Digital imaging can be classified by the type of electromagnetic radiation or other waves whose variable attenuation, as they pass through or ...

  5. Tech tip: How to digitally sign a document on a PC, Mac ... - AOL

    www.aol.com/news/tech-tip-digitally-sign...

    Now you can skip the drive or wait for something to arrive in the mail and sign a document digitally instead. Tech tip: How to digitally sign a document on a PC, Mac, Android, or iPhone Skip to ...

  6. Color photography - Wikipedia

    en.wikipedia.org/wiki/Color_photography

    The expense of color film as compared to black-and-white and the difficulty of using it with indoor lighting combined to delay its widespread adoption by amateurs. In 1950, black-and-white snapshots were still the norm. By 1960, color was much more common but still tended to be reserved for travel photos and special occasions.

  7. Film colorization - Wikipedia

    en.wikipedia.org/wiki/Film_colorization

    A hand-colored print of George Méliès' The Impossible Voyage (1904). The first film colorization methods were hand-done by individuals. For example, at least 4% of George Méliès' output, including some prints of A Trip to the Moon from 1902 and other major films such as The Kingdom of the Fairies, The Impossible Voyage, and The Barber of Seville were individually hand-colored by Elisabeth ...