The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2010
Filed:
May. 09, 2005
Radiation imaging device for correcting body movement, image processing method, and computer program
Hiroyuki Urushiya, Saitama, JP;
Hiroyuki Urushiya, Saitama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To perform as high-accuracy as possible a correction for a body movement for reducing an artifact occurring in a case of creating a tomographic image from an X-ray projected image, the coordinates of the respective corresponding points are acquired as between the projected images of which the projected angles overlap each other (e.g., 0° and 360° ), and a geometric transformation parameter is acquired through affine transformation or the like by using the set of the acquired coordinates. When an estimated amount of the acquired parameter is equal to or larger than a predetermined amount, the geometric transformation parameter for geometric correction is determined by using the acquired geometric transformation parameter, the geometric transformation (correction of body movement) is executed by using the determined geometric transformation parameter, and the tomographic image is created by using the corrected projected images.