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

edge image

Software; Image processing

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

point operator

Software; Image processing

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

neighborhood operator

Software; Image processing

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

edge linking

Software; Image processing

An image processing technique in which neighboring pixels labeled 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.

image matching

Software; Image processing

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

An image processing technique in which the pixels of two registered images are compared to detect differences. (2) In pattern recognition, a set of points in a feature space that are similar in some ...