Edge detection method and apparatus for an image processing syst

Details Edge detection method and apparatus for an image processing syst Edge detection method and apparatus for an image processing syst

1991-04-02

1993-05-18

Mancuso, Joseph

Image analysis

Histogram processing

For setting a threshold

382 27, 382 34, G06K 948

Patent

active

052127400

ABSTRACT:
An edge detection apparatus and method for an image processing system are disclosed. The apparatus comprises a conversion means for converting input pixel data into tri-state valves, a matching means for obtaining inner products of tri-state valves and prespecified edge patterns and a decision means for determining the pixel data to be an edge when the pixel data is equal to the tri-state values. The edge detection apparatus can remove noise without an additional low pass filters, simplify the hardware and do real time process.

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patent: 4791677 (1988-12-01), Mori et al.
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patent: 4962542 (1990-10-01), Klees
patent: 5033099 (1991-07-01), Yamada et al.
patent: 5048099 (1991-09-01), Lee
patent: 5050222 (1991-09-01), Lee

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