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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.

Contributors in Image processing

Image processing

Neighbourhood operator

Software; Image processing

An image operator that assigns a grey level to each output pixel based on the grey levels in a neighbourhood of the corresponding input pixel. Contrast with: point operator.

Point operator

Software; Image processing

An image operator that assigns a grey level to each output pixel based on the grey level of the corresponding input pixel. Contrast with: neighbourhood operator.

Image matching

Software; Image processing

An image processing technique in which similar patterns are detected by comparing corresponding points of two images.

Edge linking

Software; Image processing

An image processing technique in which neighbouring pixels labelled as edge pixels are connected to form an edge.

Thinning

Software; Image processing

An image processing technique in which regions are reduced to sets of thin curves.

Edge image

Software; Image processing

An image in which each pixel is labelled as either an edge pixel or a non-edge pixel.

Acutance

Software; Image processing

A measure of the sharpness of the edges in an image.

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