X-ray imaging apparatus and automatic density correction method

Details X-ray imaging apparatus and automatic density correction method X-ray imaging apparatus and automatic density correction method

1996-05-28

1997-09-02

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 987, G01N 2304

Patent

active

056639988

ABSTRACT:
In step s1, X-ray imaging is performed, and an image signal linear to the intensity of X-rays is stored in an image memory 7. Next, in step s2, the maximum from among image data is detected, and the maximum is set as reference value N0. In step s3, image data N is logarithmically converted in accordance with the following equation (a), and the converted data is stored in an image memory 7.

REFERENCES:
patent: 4467351 (1984-08-01), Wang
patent: 5177775 (1993-01-01), Onodera et al.

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