Computer tomography system wherein preprocessing, convolution an

Details Computer tomography system wherein preprocessing, convolution an Computer tomography system wherein preprocessing, convolution an

1984-03-12

1987-03-31

Atkinson, Charles E.

Boots, shoes, and leggings

378901, G06F 1542

Patent

active

046547975

ABSTRACT:
A radiation CT system packs projection data and reads the data in a DMA mode, and separates the packed data into individual data items through format conversion when the data are to be processed. The system has a memory for storing raw projection data and processed image data for one full image. With this arrangement, a high speed processing program for image reconstruction can be executed exclusively for image reconstruction immediately after scanning operation has started. During image reconstruction processing, no data transfer to and from an external memory is performed, thereby to reduce the period of time required for image reconstruction after data have been collected.

REFERENCES:
patent: 4042811 (1977-08-01), Brunnett
patent: 4044240 (1977-08-01), Cox, Jr.
patent: 4181939 (1980-01-01), Lyons
patent: 4426731 (1984-01-01), Edland
patent: 4504909 (1985-03-01), Acharya

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