Virtual grid imaging method and system for eliminating...

Details Virtual grid imaging method and system for eliminating... Virtual grid imaging method and system for eliminating...

2007-06-08

2011-11-22

Nguyen, Tu (Department: 2886)

Image analysis

Applications

Biomedical applications

Reexamination Certificate

active

08064676

ABSTRACT:
A virtual grid imaging method capable of eliminating scattered radiation effect and an imaging system thereof for imaging with high energy rays, in which scattered rays reaching a surface of a detector are not filtered, and data of the scattered rays and straight rays are all sampled. The method includes decomposing a digital image into multi-band images from high to low according to frequencies; performing de-scattering process for low-frequency band images; performing contrast enhancement process for high-frequency band images; and merging the images of various frequency bands processed in the second and third steps, and forming an output image. In digital X-ray imaging the scattered radiation effect is eliminated. Significant reduction of the dosage of the rays, in which only one third of the required dosage of a common grid is used to obtain the same image brightness.

REFERENCES:
patent: 5278754 (1994-01-01), Arakawa
patent: 6687326 (2004-02-01), Bechwati et al.
patent: 6973158 (2005-12-01), Besson
patent: 2004/0264626 (2004-12-01), Besson
patent: 2005/0025278 (2005-02-01), Hagiwara
patent: 2005/0147200 (2005-07-01), Nukui
patent: 1 577 076 (2005-02-01), None
patent: 1 596 828 (2005-03-01), None
patent: 1 636 516 (2005-07-01), None
patent: 1 516 588 (2005-03-01), None

Affiliated with

Also associated with

Rating

Virtual grid imaging method and system for eliminating... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Virtual grid imaging method and system for eliminating..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Virtual grid imaging method and system for eliminating... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4256600