Method and apparatus for acquiring image in magnetic resonance imaging system
First Claim
Patent Images
1. A method of acquiring an image in a magnetic resonance imaging (MRI) system, the method comprising:
- dividing, by a processor, a scannable region of an object into regions;
determining, by the processor, a coil to be used for each of the regions, the determined coil of each of the regions outputting coil signals acquired from the object, through MR signal channels connected to the determined coil and grouped with switching devices, wherein each of the switching devices comprises one output channel and input channels, and each of the input channels is selectively connectable to the one output channel;
receiving, by a receiver, the coil signals, which are input through the MR signal channels connected to the input channels of the grouped switching devices and output from the one output channel of each of the grouped switching devices; and
acquiring, by an image processor, the image from the coil signals received via the one output channel of each of the grouped switching devices,wherein each of the switching devices comprises a plurality of input units corresponding to the input channels and one common output terminal corresponding to the one output channel,each of the switching devices has a construction in which the one common output terminal is connected to one input unit at a time, among the plurality of input units, thereby connecting the one output channel to one of the input channels,the switching devices comprise a first switching device having a first plurality of input channels, as the input channels, and a second switching device having a second plurality of input channels, as the input channels,the determining the coil comprises determining a first coil to be used for a first region, among the regions, and a second coil to be used for a second region, among the regions,the MR signal channels of the first coil comprise first MR signal channels connected to a first input channel of the first plurality of input channels and a first input channel of the second plurality of input channels, respectively, andthe MR signal channels of the second coil comprise second MR signal channels connected to a second input channel of the first plurality of input channels and a second input channel of the second plurality of input channels, respectively.
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Abstract
A method of acquiring an image in an MRI system includes dividing a scannable region of an object into regions, determining a coil to be used for the divided regions, receiving signals from the determined coil via signal channels connected to the determined coil and grouped by using a switching device, and acquiring the image from the received signals.
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Citations
17 Claims
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1. A method of acquiring an image in a magnetic resonance imaging (MRI) system, the method comprising:
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dividing, by a processor, a scannable region of an object into regions; determining, by the processor, a coil to be used for each of the regions, the determined coil of each of the regions outputting coil signals acquired from the object, through MR signal channels connected to the determined coil and grouped with switching devices, wherein each of the switching devices comprises one output channel and input channels, and each of the input channels is selectively connectable to the one output channel; receiving, by a receiver, the coil signals, which are input through the MR signal channels connected to the input channels of the grouped switching devices and output from the one output channel of each of the grouped switching devices; and acquiring, by an image processor, the image from the coil signals received via the one output channel of each of the grouped switching devices, wherein each of the switching devices comprises a plurality of input units corresponding to the input channels and one common output terminal corresponding to the one output channel, each of the switching devices has a construction in which the one common output terminal is connected to one input unit at a time, among the plurality of input units, thereby connecting the one output channel to one of the input channels, the switching devices comprise a first switching device having a first plurality of input channels, as the input channels, and a second switching device having a second plurality of input channels, as the input channels, the determining the coil comprises determining a first coil to be used for a first region, among the regions, and a second coil to be used for a second region, among the regions, the MR signal channels of the first coil comprise first MR signal channels connected to a first input channel of the first plurality of input channels and a first input channel of the second plurality of input channels, respectively, and the MR signal channels of the second coil comprise second MR signal channels connected to a second input channel of the first plurality of input channels and a second input channel of the second plurality of input channels, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for acquiring an image in a magnetic resonance imaging (MRI) system, the apparatus comprising:
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switching devices, each switching device comprising one output channel and input channels, each of the input channels being selectively connectable to the one output channel; a processor configured to divide a scannable region of an object into regions, and to determine a coil to be used for each of the regions, the determined coil of each of the regions outputting coil signals acquired from the object, through MR signal channels connected to the determined coil and grouped with the switching devices; a receiver configured to receive the coil signals, which are input through the MR signal channels connected to the input channels of the grouped switching devices and output from the one output channel of each of the grouped switching devices; and an image processor configured to acquire the image from the coil signals received via the one output channel of each of the grouped switching devices, wherein each of the switching devices comprises a plurality of input units corresponding to the input channels and one common output terminal corresponding to the one output channel, each of the switching devices has a construction in which the one common output terminal is connected to one input unit at a time, among the plurality of input units, thereby connecting the one output channel to one of the input channels, the switching devices comprise a first switching device having a first plurality of input channels, as the input channels, and a second switching device having a second plurality of input channels, as the input channels, the processor is further configured to determine a first coil to be used for a first region, among the regions, and a second coil to be used for a second region, among the regions, the MR signal channels of the first coil comprise first MR signal channels connected to a first input channel of the first plurality of input channels and a first input channel of the second plurality of input channels, respectively, and the MR signal channels of the second coil comprise second MR signal channels connected to a second input channel of the first plurality of input channels and a second input channel of the second plurality of input channels, respectively. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A magnetic resonance imaging (MRI) method comprising:
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dividing, by a processor, a patient support table into regions; allocating, by the processor, MR signal channels to the regions; determining, by the processor, coils to be used for imaging the regions, the determined coils of each of the regions outputting coil signals acquired from an object disposed on the patient support table, through the MR signal channels connected to the determined coils, respectively; grouping, by the processor, the MR signal channels associated with at least one of the determined coils by using switching devices, wherein each of the switching devices comprises one output channel and input channels, and each of the input channels is selectively connectable to the one output channel; receiving, by a receiver, the coil signals, which are input through the MR signal channels connected to the input channels of the grouped switching devices and output from the one output channel of each of the grouped switching devices; and reconstructing, by an image processor, an MR image of a region of interest (ROI) of the object, from the coil signals received via the one output channel of each of the grouped switching devices, wherein each of the switching devices comprises a plurality of input units corresponding to the input channels and one common output terminal corresponding to the one output channel, each of the switching devices has a construction in which the one common output terminal is connected to one input unit at a time, among the plurality of input units, thereby connecting the one output channel to one of the input channels, the switching devices comprise a first switching device having a first plurality of input channels, as the input channels, and a second switching device having a second plurality of input channels, as the input channels, the at least one of the determined coils comprises a first coil to be used for a first region, among the regions, and a second coil to be used for a second region, among the regions, the MR signal channels of the first coil comprise first MR signal channels connected to a first input channel of the first plurality of input channels and a first input channel of the second plurality of input channels, respectively, and the MR signal channels of the second coil comprise second MR signal channels connected to a second input channel of the first plurality of input channels and a second input channel of the second plurality of input channels, respectively. - View Dependent Claims (16, 17)
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Specification