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

Decision rule

Software; Image processing

A rule or algorithm used in pattern classification to assign an observed unit of image data to a pattern class based on features extracted from the image.

Feature extraction

Software; Image processing

A step in pattern recognition, in which measurements or observations are processed to find attributes that can be used to assign patterns to pattern classes.

Classifier

Software; Image processing

A rule or algorithm used in pattern classification to assign an observed unit of image data to a pattern class based on features extracted from the image.

Multi-band image

Software; Image processing

A set of images of the same scene, each formed by radiation from a different segment of the spectrum.

Image segmentation

Software; Image processing

The process of dividing an image into regions. Syn: object extraction. See also: border detection; edge detection; line detection; region growing; tracking.

Image reconstruction

Software; Image processing

The process of recovering an image from integrals of its grey levels taken along thin strips or slices of the image.

The process of producing a binary image from a grey scale image by assigning each output pixel the valne 1 if its corresponding input pixel is at or above a specified grey level (the threshold) and ...