Method for separating moving structures from a fixed background

Details Method for separating moving structures from a fixed background Method for separating moving structures from a fixed background

1986-04-17

1988-01-19

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

Exposure timer

358111, H05G 164

Patent

active

047208430

ABSTRACT:
The invention relates to an X-ray subtraction method, and equipment for implementing this method, in which a moving structure is subtracted from the fixed background. The picture values corresponding to the minimum absorption are used as the mask image for each picture element from the projection images.

REFERENCES:
patent: 4335427 (1982-06-01), Hunt et al.
patent: 4433428 (1984-02-01), Haendle et al.
patent: 4436095 (1984-03-01), Kruger
patent: 4581635 (1986-04-01), Franke

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