Title:
ラドンデータから画像関数を再構成する方法
Document Type and Number:
Japanese Patent JP5221394
Kind Code:
B2
Abstract:
A method of reconstructing an image function on the basis of a plurality of projection profiles corresponding to a plurality of projection directions through a region of investigation, each projection profile including a series of value positions, wherein measured projection values corresponding to projection lines parallel to the respective projection direction are assigned to respective value positions and a plurality of remaining value positions are empty, comprises the steps of (a) assigning first interpolation values to the empty value positions for constructing a plurality of interpolation profiles on the basis of the projection profiles,
wherein the first interpolation values are obtained from a first interpolation within a group of measured projection values having the same value position in different projection profiles, and (b) determining the image function by applying a predetermined reconstruction algorithm on the interpolation profiles.
More Like This:
Inventors:
Shu, Yuan
Tishenko, Oleg
Heshen, Christoph
Tishenko, Oleg
Heshen, Christoph
Application Number:
JP2008558716A
Publication Date:
June 26, 2013
Filing Date:
March 14, 2007
Export Citation:
Assignee:
Helmholtz Zentrum Muenchen Deutsches Forschungszentrum fuer Gesundheit und Umwelt (GmbH)
International Classes:
A61B6/03; A61B10/00; G01N23/04; G01N23/05; G01T1/161
Foreign References:
| US5293312 |
Other References:
Thomas Bortfeld and Uwe Oelfke,Fast and exact 2D image reconstruction by means of Chebyshev decomposition and backprojection,Physics in Medicine and Biology,1999年,Volume 44 Number 4,p.1105-1120
Attorney, Agent or Firm:
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Katsu Sunagawa
Tetsuya Kazama
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Katsu Sunagawa
Tetsuya Kazama