Data processing device for computed tomography system

Details Data processing device for computed tomography system Data processing device for computed tomography system

1981-11-12

1984-11-13

Krass, Errol A.

Boots, shoes, and leggings

378901, G06F 1542

Patent

active

044829582

ABSTRACT:
A data processing device applied to a computed tomography system which examines a living body utilizing radiation of X-rays is disclosed. The X-rays which have penetrated the living body are converted into electric signals in a detecting section. The electric signals are acquired and converted from an analog form into a digital form in a data acquisition section, and then supplied to a matrix data-generating section included in the data processing device. By this matrix data-generating section are generated matrix data which correspond to a plurality of projection data. These matrix data are supplied to a partial sum-producing section. The partial sums respectively corresponding to groups of the matrix data are calculated in this partial sum-producing section and then supplied to an accumulation section. In this accumulation section, the final value corresponding to the total sum of the matrix data is calculated, whereby the calculation for image reconstruction is performed.

REFERENCES:
patent: 4042811 (1977-08-01), Brunnett et al.
patent: 4274140 (1981-06-01), Watson
patent: 4379329 (1983-04-01), Lemay
IEEE Transactions on Computers, vol. C-29, No. 5, May 108, New York, E. E. Swartzlander et al.: "Arithmetic for Ultra-high-speed Tomography": pp. 341-353.

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