Apparatus for correlating successive images of a scene

Details Apparatus for correlating successive images of a scene Apparatus for correlating successive images of a scene

1980-01-09

1983-01-11

Cangialosi, Sal

Communications: electrical

Digital comparator systems

364728, 343 5MM, G06K 900

Patent

active

043684564

ABSTRACT:
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.

REFERENCES:
patent: 3952299 (1976-04-01), Hodge
patent: 4084255 (1978-04-01), Casasent
patent: 4164728 (1979-08-01), Marsh
patent: 4244029 (1981-01-01), Hogan et al.
"Correlation Algorithms for Radar Map Matching", Novak, IEEE Transactions on Aerospace & Electronic Systems, vol AES-14, Jul. 1978, pp.641-648.

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