Image editing encompasses the processes of altering images, whether they are digital photographs, traditional analog photographs, or illustrations. Image editing encompasses the processes of altering images, whether they are digital photographs, traditional analog photographs, or illustrations. Traditional analog image editing (TAIE) is known as photo retouching, using tools such as an airbrush to modify photographs, or editing illustrations with any traditional art medium. Graphic software programs, which can be broadly grouped into vector graphics editors, raster graphics editors, and 3d modelers, are the primary tools with which a user may manipulate, enhance, and transform images. Many image editing programs are also used to render or create computer art from scratch.Image Enhancement (IE) is the improvement of digital image quality (wanted e.g. for visual inspection or for machine analysis), without knowledge about the source of degradation. If the source of degradation is known, one calls the process image restoration. Both are iconical processes, viz. input and output is images.
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