Multi-resolution detection for increasing in an x-ray imaging im

Details Multi-resolution detection for increasing in an x-ray imaging im Multi-resolution detection for increasing in an x-ray imaging im

1996-12-26

1998-10-13

Porta, David P.

X-ray or gamma ray systems or devices

Computer tomography program or processor

378 19, 2502081, G06F 1500

Patent

active

058223924

ABSTRACT:
The present invention discloses a multi-resolution detector for use in an x-ray imaging implementation such as computed tomography and digital radiography. The multi-resolution detector includes a two-dimensional, m.times.n element array of low resolution detector elements and at least one high resolution detector element located about the two-dimensional, m.times.n element array of low resolution detector elements. After an object has been completely scanned with the multi-resolution detector the scan data from both the two-dimensional, m.times.n element array of low resolution detector elements and the high resolution detector element is used to reconstruct a high resolution image. In particular, the scan data generated from the two-dimensional, m.times.n element array of low resolution detector elements is used along with the initial scan data generated from the high resolution detector element to iteratively construct a high resolution image of the object.

REFERENCES:
patent: 3973128 (1976-08-01), LeMay
patent: 5340988 (1994-08-01), Kingsley et al.
patent: 5355309 (1994-10-01), Eberhard et al.

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