Digital image comparing system

Details Digital image comparing system Digital image comparing system

1996-10-09

1999-05-25

Shalwala, Bipin

Image analysis

Image transformation or preprocessing

Correlation

382209, 382218, 382276, 348408, 358537, G06K 936, G06K 962, G06K 968, H04N 712

Patent

active

059076410

ABSTRACT:
A system for comparing digital images, whereby a first and second data processing block receive respective data streams corresponding to a reference image and a detected image for comparison with the reference image. The data processing blocks detect reference points in the images, and generate data, which is supplied to a block for determining a first approximation of the function A.sub.o relating the two images. The system also presents blocks for successively refining the function relating the reference image to the detected image. (FIG. 1)

REFERENCES:
patent: 4745562 (1988-05-01), Prazdny
patent: 4906940 (1990-03-01), Greene et al.
patent: 5051585 (1991-09-01), Koshishiba et al.
patent: 5052045 (1991-09-01), Perggrim et al.
patent: 5631971 (1997-05-01), Sparrow
patent: 5659363 (1997-08-01), Wilkinson
patent: 5680150 (1997-10-01), Shimizu et al.

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