Optimal channel filter for CT system with wobbling focal spot

Details Optimal channel filter for CT system with wobbling focal spot Optimal channel filter for CT system with wobbling focal spot

1997-05-13

1998-11-24

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 9, 378901, 378 11, A61B 603

Patent

active

058418296

ABSTRACT:
An improved data acquisition system filter, optimized for the time domain and for use in a computed tomography scanner of the type using x-ray focal spot wobble, includes a filter time response F(t) which is a function of the waveform w(t) used to drive the focal spot from one position to the other.

REFERENCES:
patent: 4547893 (1985-10-01), Gordon
patent: 4689809 (1987-08-01), Sohval
patent: 4819260 (1989-04-01), Haberrecker
patent: 4894850 (1990-01-01), Frings et al.
patent: 5065420 (1991-11-01), Levene
patent: 5142286 (1992-08-01), Ribner et al.
patent: 5218533 (1993-06-01), Schanen
patent: 5259014 (1993-11-01), Brettschneider
patent: 5265142 (1993-11-01), Hsieh
patent: 5361291 (1994-11-01), Toth et al.
patent: 5550886 (1996-08-01), Dobbs et al.
Dolazza, E., The Bell-Spline, a Digital Filtering/Interpolation Algorithm, Proceedings of the SPIE--The International Society For Optical Engineering SPIE Vol. 1092 Medical Imaging III: Image Processing (1989) pp. 568-583.

Affiliated with

Also associated with

Rating

Optimal channel filter for CT system with wobbling focal spot does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optimal channel filter for CT system with wobbling focal spot, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optimal channel filter for CT system with wobbling focal spot will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1711544