Can a black and white image be represented as if it were color? How about a grey scale image? If you

Aug 15th, 2016
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Can a black and white image be represented as if it were color? How about a grey scale image? If you had to represent a color image in a grey scale format (with many bits) can you think of a way to do it?

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Answer------------------Can a black and white image be represented as if it were color-------------------------------A binary image is a digital image that has only two possible values for each pixel. Typically,the two colors used for a binary image are black and white, though any two colors can beused. The color used for the object(s) in the image is the foreground color while the rest ofthe image is the background color. In the document-scanning industry, this is often referred toas "bi-tonal".Binary images are also called bi-level or two-level. This means that each pixel is stored as asingle biti.e., a 0 or 1. The names black-and-white, B&W, monochrome ormonochromatic are often used for this concept, but may also designate any images that haveonly one sample per pixel, such as grayscale images. In Photoshop parlance, a binary imageis the same as an image in "Bitmap" mode.Binary images often arise in digital image processing as masks or as the result of certainoperations such as segmentation, threes, and dithering. Some input/output devices, suchas laser printers, fax machines, and bi-level computer displays, can only handle bi-levelimages.A binary image can be stored in memory as a bitmap, a packed array of bits. A 640480image requires 37.5 kib of storage. Because of the small size of the image files, fax machineand document management solutions usually use this format. Most binary images alsocompress well with simple run-length compression schemes.B

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