US PATENT SUBCLASS 382 / 191
.~.~ Multispectral features (e.g., frequency, phase)

Current as of: June, 1999
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382 /   HD   IMAGE ANALYSIS

181  DF  PATTERN RECOGNITION {8}
190  DF  .~ Feature extraction {5}
191.~.~ Multispectral features (e.g., frequency, phase)

DEFINITION

Classification: 382/191

Multispectral features (e.g., frequency, phase):

(under subclass 190) Subject matter wherein the frequency or phase of an electromagnetic spectrum of the pattern* is used to recognize the pattern*.

SEE OR SEARCH CLASS

235, Registers,

454+, for optical coded card readers.