Method and system for detection of interval change in temporally

Details Method and system for detection of interval change in temporally Method and system for detection of interval change in temporally

1992-11-25

1994-10-25

McElheny, Jr., Donald E.

Boots, shoes, and leggings

36441313, 382 6, G06F 1500, G06K 900

Patent

active

053595130

ABSTRACT:
A computerized scheme for the analysis of digitized medical images which provides enhancement of interval changes occurring in a pair of temporally sequential images. In the method and apparatus of the invention, a pair of images are digitized and then are subjected to image registration including a nonlinear warping of one of the images so that corresponding locations in the two images are aligned with each other. Subsequent to image registration, a subtraction process is performed in order to generate a difference between the warped and unwarped images. In this manner, slight opacities which are only present in the later image may be detected based on the subtraction of the registered images.

REFERENCES:
patent: 4641352 (1987-02-01), Fenster et al.
patent: 4644582 (1987-02-01), Morishita et al.
patent: 4710875 (1987-12-01), Nakajima et al.
patent: 4899393 (1990-02-01), Morishita et al.

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