X-ray procedure for removing scattered radiation and enhancing s

Image analysis – Applications – Biomedical applications

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

36441319, 382275, G06K 900

Patent

active

054406471

ABSTRACT:
An improved projection radiography procedure which provides for simultaneously removing scattered radiation and reducing noise with a Bayesian statistical estimation algorithm that results in an enhanced signal-to-noise ratio (SNR).

REFERENCES:
patent: 1164987 (1915-12-01), Bucky
patent: 4590582 (1986-05-01), Umemura
patent: 4599742 (1986-07-01), Kikuchi et al.
patent: 4734770 (1988-03-01), Matsuba
patent: 4845762 (1989-07-01), Higashi
patent: 4866785 (1989-09-01), Shibano
patent: 4868857 (1989-09-01), Dobbins, III
patent: 4916722 (1990-04-01), Ema
patent: 4916745 (1990-04-01), Hart et al.
patent: 4918713 (1990-04-01), Honda
patent: 4920491 (1990-04-01), Eberhard et al.
patent: 4920501 (1990-04-01), Sullivan et al.
patent: 4951305 (1990-08-01), Moore et al.
patent: 4969110 (1990-11-01), Little et al.
patent: 5140538 (1992-08-01), Bass et al.
patent: 5168161 (1992-12-01), Markandey
Albert Rose, "The Sensitivity Performance of the Human Eye on an Absolute Scale", Journal of the Optical Society of America (Feb., 1948), vol. 38, No. 2, pp. 196-208.
Geman et al., "Stochastic Relaxation, Gibbs Distributions, and the Bayesian Restoration of Images", IEEE Transactions on Pattern Analysis and Machine Intelligence (Nov., 1984), vol. PAMI-6, No. 6, pp. 721-741.
Vardi et al., "A Statistical Model for Positron Emission Tomography", Journal of the American Statistical Association (Mar., 1985), vol. 80, No. 389, pp. 8-25.
Geman et al., "Statistical Methods for Tomographic Image Reconstruction", Bulletin of the ISI (1987), vol 52, pp. 1-18.
Love et al., "Scatter Estimation for a Digital Radiographic System Using Convolution Filtering", Medical Physics, vol. 14, No. 2, pp. 178-185. (Mar./Apr. 87).
Seibert et al., "X-Ray Scatter Removal by Deconvolution", Medical Physics, vol. 15, No. 4, pp. 567-575 (Jul./Aug. 1988).
Floyd et al., "Scatter Compensation in Digital Chest Radiography Using Fourier Deconvolution", Investigative Radiology, vol. 24, No. 1, pp. 30-33 (Jan. 1989).
Hebert et al., "A Generalized EM Algorithm for 3-D Bayesian Reconstruction from Poisson Data Using Gibbs Priors", IEEE Transactions on Medical Imaging, vol. 8, No. 2, pp. 194-202 (Jun. 1989).
Liang et al., "On Bayesian Image Reconstruction from Projections: Uniform and Nonuniform A Priori Source Information", IEEE Transactions on Medical Imaging, vol. 8, No. 3, pp. 227-235 (Sep. 1989).
Green, "Bayesian Reconstructions from Emission Tomography Data Using a Modified EM Algorithm", IEEE Transactions on Medical Imaging, vol. 9, No. 1, pp. 84-93 (Mar. 1990).
Chan et al., "Studies of Performance of Antiscatter Grids in Digital Radiography: Effect on Signal-to-Noise Ratio", Medical Physics, vol. 17, No. 4, pp. 655-664 (Jul/./Aug. 1990).
Chotas et al., "Single-Exposure Conventional and Computed Radiography Image Acquisition", Investigative Radiology, vol. 26, No. 5, pp. 438-445 (1991).
Floyd et al., "Posterior Beam-Stop Method for Scatter Fraction Measurement in Digital Radiography", vol. 27, No. 2, pp. 119-123, Investigative Radiology (1991).
Neitzel, "Grids or Air Gaps for Scatter Reduction in Digital Radiography: A Model Calculation", Medical Physics, vol. 19, No. 2, pp. 475-481 (Mar./Apr. 1992).
Lalush et al., "Simulation Evaluation of Gibbs Prior Distributions for use in Maximum A Posteriori SPECT Reconstructions", IEEE Transactions in Medical Imaging, vol. 11, No. 2, pp. 267-275 (Jun. 1992).
Floyd et al., "Scatter Compensation for Digital Chest Radiography Using Maximum Likelihood Expectation Maximization", Investigative Radiology, vol. 28, No. 5, pp. 427-433 (1933).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

X-ray procedure for removing scattered radiation and enhancing s does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with X-ray procedure for removing scattered radiation and enhancing s, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and X-ray procedure for removing scattered radiation and enhancing s will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-977411

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.