X-ray CT scanning apparatus

Details X-ray CT scanning apparatus X-ray CT scanning apparatus

1998-02-13

2000-02-22

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 19, 378 4, A61B 600

Patent

active

060289082

ABSTRACT:
There is provided an X-ray CT apparatus which can generate high density data from data acquired by virtue of a helical scan and then execute image reconstruction based on the high density data. The X-ray CT apparatus includes a first processed data generating unit for generating first processed data by applying first interpolation process to acquired direct data, a second processed data generating unit for generating second processed data by generating a group of complementary data and then applying second interpolation process to the group of complementary data, and a third processed data generating unit for generating third processed data, which is high density data having twice sampling point number, by putting the first processed data and the second processed data therebetween alternately.

REFERENCES:
patent: 4682290 (1987-07-01), Tan et al.
patent: 5825842 (1998-10-01), Taguchi
patent: 5838756 (1998-11-01), Taguchi et al.

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