Title:
X線平面検出器、X線画像診断装置、及びX線画像補正方法
Document Type and Number:
Japanese Patent JP4377571
Kind Code:
B2
Abstract:
To improve noise correction accuracy and provide a higher quality X-ray diagnostic image less involving horizontal noise than previously.
In a method for correcting X-ray images collected in an X-ray plane detector having a plurality of picture elements arranged in the form of a matrix, a first filter removing a high frequency component is provided in the column direction of the X-ray image, an image for which the first filter is provided is cut off from the X-ray image, a second filter removing a high frequency component is provided in the line direction of the image obtained by the cutoff, and an image for which the second filter is provided is cut off from the X-ray image.
COPYRIGHT: (C)2003,JPO
Inventors:
Akihito Takahashi
Michitaka Honda
Michitaka Honda
Application Number:
JP2002265054A
Publication Date:
December 02, 2009
Filing Date:
September 11, 2002
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
A61B6/00; A61B6/03; G01T1/17; G06T1/00; G06T5/00; G06T5/20; H01L27/14; H04N1/409
Attorney, Agent or Firm:
Hiroshi Horiguchi