Image processing apparatus, X-ray computed tomography apparatus, and image processing method
AssigneesKabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
InventorsKazumasa Arakita, Yoshihiro Ikeda
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Abstract
According to one embodiment, an image processing apparatus comprises a storage unit configured to store a plurality of volume data acquired by imaging a predetermined part of an object, the plurality of volume data corresponding to a plurality of phases, a calculation unit configured to calculate a spatial motion vector of each voxel included in each volume data by performing registration between the plurality of volume data, an image generation unit configured to generate an image representing a local motion of the diagnosis part using the motion vector of each voxel, and a display unit configured to display the image representing the local motion of the diagnosis part.
Claims18
An image processing apparatus comprising:
- a storage unit configured to store a plurality of volume data acquired by imaging a predetermined part of an object, the plurality of volume data corresponding to a plurality of phases;
- a calculation unit configured to calculate a motion vector of each voxel included in each volume data by performing registration between the plurality of volume data;
- an image generation unit configured to generate an image representing a local motion of a diagnosis part using the motion vector of each voxel, the local motion of the diagnosis part being indicated in a predetermined set of direction components of the motion vector, one of predetermined different colors and luminances being assigned to a corresponding one of the direction components in accordance with a magnitude of the corresponding one of the direction components;
- and
- a display unit configured to display the image representing the local motion of the diagnosis part.
An X-ray computed tomography apparatus comprising:
- an imaging unit configured to image volume data concerning a predetermined part of an object in a plurality of phases;
- a calculation unit configured to calculate a spatial motion vector between the phases for each voxel included in each volume data by performing registration between the plurality of volume data;
- an image generation unit configured to generate an image representing a local motion of a diagnosis part using the motion vector of each voxel, the local motion of the diagnosis part being indicated in a predetermined set of direction components of the motion vector, one of predetermined different colors and luminances being assigned to a corresponding one of the direction components in accordance with a magnitude of the corresponding one of the direction components;
- and
- a display unit configured to display the image representing the local motion of the diagnosis part.
An image processing method comprising:
- executing registration between a plurality of volume data acquired by imaging a predetermined part of an object using an image processing apparatus, the plurality of volume data corresponding to a plurality of phases;
- calculating a spatial motion vector between the phases for each voxel included in each volume data;
- generating an image representing a local motion of a diagnosis part using the motion vector of each voxel, the local motion of the diagnosis part being indicated in a predetermined set of direction components of the motion vector, one of predetermined different colors and luminances being assigned to a corresponding one of the direction components in accordance with a magnitude of the corresponding one of the direction components;
- and
- displaying the image representing the local motion of the diagnosis part.
Dependencies are inferred from the claim text.