Correlation techniques

Details Correlation techniques Correlation techniques

1988-12-30

1990-05-15

Arnold, Bruce Y.

Communications: directive radio wave systems and devices (e.g.,

Clutter elimination

Mti

350321, 35016213, 342 64, 358 125, G02B 2700

Patent

active

049252747

ABSTRACT:
An item of interest may be located in a scene image by scanning a reference image containing the item (extracted from a previous image of the scene for example) over the scene image and, for each position of the reference image, correlating corresponding pairs of pixels from the reference and scene images. Herein, to avoid inaccuracies due to bright spots say affecting a small portion of the scene image, for each position of the reference image, all the pixel pairs are correlated and an average similarity value assigned to that reference image position.

REFERENCES:
patent: 3555179 (1971-01-01), Rubin
patent: 3747094 (1973-07-01), Gamertsfelder
patent: 3952299 (1976-04-01), Hodge et al.
patent: 4133004 (1979-01-01), Fitts
patent: 4164728 (1979-08-01), Marsh
patent: 4396903 (1983-08-01), Habicht et al.
patent: 4405940 (1983-09-01), Woolfson et al.

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