Apparatus for correlating successive images of a scene

When correlating a reference representation with current representations the scales of which are changing, errors occur. In order to reduce the errors, a normal current representation is stored in a store (7), and a scaled current representation is stored in a store (8). Both representations are cor...

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Bibliographische Detailangaben
Hauptverfasser:	FORSE, DAVID P. S, FRANKS, RICHARD W, THORSCOV, JAN C, BAMFORD, NIGEL T, COATES, PHILIP V
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES CALCULATING COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC DIGITAL DATA PROCESSING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	When correlating a reference representation with current representations the scales of which are changing, errors occur. In order to reduce the errors, a normal current representation is stored in a store (7), and a scaled current representation is stored in a store (8). Both representations are correlated in a correlator (11) with a normal reference representation stored in a store (9). The reference representation is updated by a control processor unit 5 when the correlation of it with the current representation reaches a peak. Instead of using two current representations a single current representation could be correlated with normal and scaled reference representations.