Image processing

Image processing

The manipulation of images by computer. Most image-processing techniques involve treating the image as a two-dimensional signal and applying standard signal-processing techniques to it.

Industry: Printing & publishing; Software

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Image processing

An image segmentation technique in which regions are formed by repeatedly taking the union of subregions that are similar in grey levels or textures and by repeatedly splitting apart subregions that ...

Geometric correction

Software; Image processing

An image restoration technique in which a geometrical transformation is performed on an image to compensate for geometrical distortions.

Line detection

Software; Image processing

An image segmentation technique in which line pixels are identified by examining their neighborhoods.

Run

Software; Image processing

In image processing, a sequence of consecutive pixels that all have the same grey level.

High-emphasis filtering

Software; Image processing

In image processing, a sharpening technique in which rapid fluctuations in grey levels are emphasized. hole, In image processing, a connected component of the complement of a region, that is ...

Unsharp masking

Software; Image processing

In image processing, a sharpening technique in which an intentionally blurred version of the image is subtracted from the image itself. sequentially from one arc pixel to the next.

Edge

Software; Image processing

In image processing, a set of pixels belonging to an arc and having the property that pixels on opposite sides of the arc have differing grey levels. See also: border.