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Image processing is the computerized manipulation of images. Some of the many algorithms used in image processing include convolution (on which many others are based), fast Fourier transformation, discrete cosine transformation, thinning (or skeletonization), edge detection, contrast enhancement, and image compression. These are usually implemented in software but can also use special purpose hardware for speed.

Description

Image processing contrasts with computer graphics, which is usually more concerned with the generation of artificial images, and visualization, which attempts to understand (real-world) data by displaying it as an artificial image (e.g. a graph). Image processing is used in image recognition and computer vision.[1]

History

Silicon Graphics manufactured workstations which were often used for high-end image processing in the 1990s.[1] However, the popularity of less-expensive Power Macintosh systems running Adobe Photoshop supplanted them in the marketplace.[2]

References

  1. ↑ 1.0 1.1 Image processing at the Free On-Line Dictionary Of Computing. 1995-04-12.
  2. ↑ Whatever Happened to SGI?, Wired. 2004-11-26.

External links

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