Image comparison systems

The invention is for comparing a master image, stored by means of binary signals, with an image under test, which is stored by means of corresponding binary signals. Both sets of binary signals are fed out into an EXCLUSIVE OR gate. This will therefore produce output signals defining any differences...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BARKER, JOHN C
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TESTING
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