X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Reexamination Certificate
2007-08-28
2007-08-28
Song, Hoon (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
C378S020000
Reexamination Certificate
active
10946431
ABSTRACT:
A plurality of pieces of image data processed by a preprocessed circuit are sequentially received and at least one representative image is selected from among the plurality of pieces of image data by a representative image selection circuit. For example, one piece of image data out of every 250 pieces of image data is selected from among 1000 pieces of acquired image data to select four pieces of image data as representative images. An irradiated area extraction circuit extracts X-ray irradiated areas of the representative images. A reconstruction area determination circuit determines a CT reconstruction area on the basis of the X-ray irradiated areas. The reconstruction circuit reconstructs CT images from all or part of the acquired image data on the basis of the CT reconstruction area.
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Canon Kabushiki Kaisha
Song Hoon
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