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2. Grayscale - Wikipedia

   en.wikipedia.org/wiki/Grayscale

   v. t. e. In digital photography, computer-generated imagery, and colorimetry, a greyscale (more common in Commonwealth English) or grayscale (more common in American English) image is one in which the value of each pixel is a single sample representing only an amount of light; that is, it carries only intensity information. Grayscale images, a ...

3. Binary image - Wikipedia

   en.wikipedia.org/wiki/Binary_image

   In the document-scanning industry, this is often referred to as "bi-tonal". 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. Image tracing - Wikipedia

   en.wikipedia.org/wiki/Image_tracing

   The bitmap image may need a lot of work to clean it up. Erase stray marks and fill in lines and areas. Corel advice: Put the image on a light table, cover it with vellum (tracing paper), and then manually ink the desired outlines. Then scan the vellum and use an automated raster-to-vector conversion program on that scan.

5. Thresholding (image processing) - Wikipedia

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

   Thresholding (image processing) Original image. The binary image resulting from a thresholding of the original image. In digital image processing, thresholding is the simplest method of segmenting images. From a grayscale image, thresholding can be used to create binary images. [1]

6. Image editing - Wikipedia

   en.wikipedia.org/wiki/Image_editing

   Basics of image editing. Raster images are stored in a computer in the form of a grid of picture elements, or pixels. These pixels contain the image's color and brightness information. Image editors can change the pixels to enhance the image in many ways. The pixels can be changed as a group, or individually, by the sophisticated algorithms ...

7. Raw image format - Wikipedia

   en.wikipedia.org/wiki/Raw_image_format

   ImageMagick, a software suite for image manipulation and conversion, reads many different raw file formats. [59] ImageMagick is available for Linux/Unix, Mac OS, Microsoft Windows, and other platforms. LightZone is a photo editing program providing the ability to edit many raw formats natively. Most tools are raw converters, but LightZone ...