Radiation imaging system, control apparatus, and control method
AssigneeCanon Kabushiki Kaisha
InventorHiroyuki Omi
Life of this patent
Estimating the term…
Abstract
A control apparatus that controls, using automatic exposure control of controlling a radiation generation apparatus by comparing a radiation dose from the radiation generation apparatus with a target dose, radiation imaging using radiation from the radiation generation apparatus, comprises a processing unit that executes image processing on a radiation image obtained by the radiation imaging; and a setting unit that sets, as the target dose used in the automatic exposure control, a dose which is changed in accordance with an image processing parameter for executing the image processing.
Claims17
A control apparatus that controls, using automatic exposure control of controlling a radiation generation apparatus by comparing a radiation dose relating to radiation from the radiation generation apparatus with a target dose, radiation imaging using radiation from the radiation generation apparatus, comprising:
- a setting unit configured to set a target dose determined based on an image processing parameter selected according to an instruction by an operator from among a plurality of image processing parameters relating to a radiation image obtained by the radiation imaging, as the target dose used by the automatic exposure control,
- wherein if the selected image processing parameter indicates that scattered ray reduction processing is to be executed, the setting unit sets a first target dose as the target dose used by the automatic exposure control, and if the selected image processing parameter indicates that scattered ray reduction processing is not to be executed, the setting unit sets a second target dose different from the first target dose as the target dosed used by the automatic exposure control.
A control apparatus that controls, using automatic exposure control of controlling a radiation generation apparatus by comparing a radiation dose relating to radiation from the radiation generation apparatus with a target dose, radiation imaging using radiation from the radiation generation apparatus, comprising:
- a setting unit configured to set a target dose determined based on an image processing parameter selected according to an instruction by an operator from among a plurality of image processing parameters relating to a radiation image obtained by the radiation imaging, as the target dose used by the automatic exposure control,
- wherein
- the setting unit sets a target dose determined based on information regarding use/non-use of grids determined from the selected image processing parameter is set as the target dose used by the automatic exposure control.
A control apparatus that controls, using automatic exposure control of controlling a radiation generation apparatus by comparing a radiation dose relating to radiation from the radiation generation apparatus with a target dose, radiation imaging using radiation from the radiation generation apparatus, comprising:
- a setting unit configured to set a target dose determined based on an image processing parameter selected according to an instruction by an operator from among a plurality of image processing parameters relating to a radiation image obtained by the radiation imaging, as the target dose used by the automatic exposure control,
- wherein
- in a case where the selected image processing parameter includes a parameter for grid pattern reduction processing or a noise reduction parameter, the target dose is determined based on a transmission rate of a grid corresponding to the grid pattern reduction processing or the noise reduction parameter.
A control method for controlling, using automatic exposure control of controlling a radiation generation apparatus by comparing a radiation dose relating to radiation from the radiation generation apparatus with a target dose, radiation imaging using radiation from the radiation generation apparatus, the method comprising:
- setting a target dose determined based on an image processing parameter selected according to an instruction by an operator from among a plurality of image processing parameters relating to a radiation image obtained by the radiation imaging, as the target dose used by the automatic exposure control, wherein if the selected image processing parameter indicates that scattered ray reduction processing is to be executed, a first target dose is set as the target dose used by the automatic exposure control, and if the selected image processing parameter indicates that scattered ray reduction processing is not to be executed, a second target dose different from the first target dose is set as the target dosed used by the automatic exposure control.
A control apparatus that controls, using automatic exposure control of controlling a radiation generation apparatus by comparing a radiation dose relating to radiation from the radiation generation apparatus with a target dose, radiation imaging using radiation from the radiation generation apparatus, comprising:
- a setting unit configured to set a target dose determined based on information relating to a grid selected in accordance with an instruction by an operator from among a plurality of pieces of information relating to a plurality of grids, as the target dose used by the automatic exposure control.
A control method for controlling, using automatic exposure control of controlling a radiation generation apparatus by comparing a radiation dose relating to radiation from the radiation generation apparatus with a target dose, radiation imaging using radiation from the radiation generation apparatus, the method comprising:
- setting a target dose determined based on information relating to a grid selected in accordance with an instruction by an operator from among a plurality of pieces of information relating to a plurality of grids, as the target dose used by the automatic exposure control.
Dependencies are inferred from the claim text.