Pattern recognition apparatus and method

Details Pattern recognition apparatus and method Pattern recognition apparatus and method

1989-02-23

1992-06-02

Mancuso, Joseph

Image analysis

Histogram processing

For setting a threshold

358107, 382 33, 382 42, 382 48, G06K 900

Patent

active

051194350

ABSTRACT:
A method of operating a pattern recognition apparatus comprises generating a plurality of sub pixel sub signatures from a reference signature, wherein the sub pixel sub signatures correspond to fractional pixel (sub pixel) positions. A target sub signature is compared to each of the sub pixel sub signatures to determine the relative placement of a target object to within a fraction of a pixel.

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patent: 4607282 (1986-08-01), van de Polder
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patent: 4731865 (1988-03-01), Sievenpiper
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