Method for magnetic resonance fingerprinting
First Claim
1. A method for magnetic resonance fingerprinting, comprising the following method steps:
- detecting a magnetic resonance signal waveform of an examination area of an examination object by means of a magnetic resonance fingerprinting method;
comparing the detected magnetic resonance signal waveform with a number of signal waveforms stored in a database, wherein a database value of at least one tissue parameter is assigned to each of the database signal waveforms; and
determining a value of the at least one tissue parameter on a basis of the signal comparison,wherein an influence of a temperature of the examination object on the magnetic resonance signal waveform is taken into consideration in the further processing of the magnetic resonance signal waveform;
wherein each of the database signal waveforms stored in the database is assigned a temperature range;
wherein a temperature of the examination object is measured and that the magnetic resonance signal waveform is compared to those database signal waveforms of the number of database signal waveforms in the temperature range of which the measured temperature of the examination object lies.
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Accused Products
Abstract
A method for magnetic resonance fingerprinting and to a magnetic resonance device is provided. The method for magnetic resonance fingerprinting includes the following method steps—detecting a magnetic resonance signal waveform of an examination area of an examination object by means of a magnetic resonance fingerprinting method, comparing the detected magnetic resonance signal waveform with a number of signal waveforms stored in a database, wherein a database value of at least one tissue parameter is assigned to each of the database signal waveforms, and determining a value of the at least one tissue parameter on the basis of the signal comparison, wherein an influence of a temperature of the examination object on the magnetic resonance signal waveform is taken into consideration in the further processing of the magnetic resonance signal waveform.
7 Citations
12 Claims
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1. A method for magnetic resonance fingerprinting, comprising the following method steps:
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detecting a magnetic resonance signal waveform of an examination area of an examination object by means of a magnetic resonance fingerprinting method; comparing the detected magnetic resonance signal waveform with a number of signal waveforms stored in a database, wherein a database value of at least one tissue parameter is assigned to each of the database signal waveforms; and determining a value of the at least one tissue parameter on a basis of the signal comparison, wherein an influence of a temperature of the examination object on the magnetic resonance signal waveform is taken into consideration in the further processing of the magnetic resonance signal waveform; wherein each of the database signal waveforms stored in the database is assigned a temperature range; wherein a temperature of the examination object is measured and that the magnetic resonance signal waveform is compared to those database signal waveforms of the number of database signal waveforms in the temperature range of which the measured temperature of the examination object lies. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A computer program product loaded directly into a memory of a programmable computing unit of a magnetic resonance device, with program code means for carrying out a method comprising:
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detecting a magnetic resonance signal waveform of an examination area of an examination object by means of a magnetic resonance fingerprinting method; comparing the detected magnetic resonance signal waveform with a number of signal waveforms stored in a database, wherein a database value of at least one tissue parameter is assigned to each of the database signal waveforms; and determining a value of the at least one tissue parameter on a basis of the signal comparison, wherein an influence of a temperature of the examination object on the magnetic resonance signal waveform is taken into consideration in the further processing of the magnetic resonance signal waveform; wherein each of the database signal waveforms stored in the database is assigned a temperature range; wherein a temperature of the examination object is measured and that the magnetic resonance signal waveform is compared to those database signal waveforms of the number of database signal waveforms in the temperature range of which the measured temperature of the examination object lies.
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11. A method for magnetic resonance fingerprinting, comprising the following method steps:
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detecting a magnetic resonance signal waveform of an examination area of an examination object by means of a magnetic resonance fingerprinting method; comparing the detected magnetic resonance signal waveform with a number of signal waveforms stored in a database, wherein a database value of at least one tissue parameter is assigned to each of the database signal waveforms; and determining a value of the at least one tissue parameter on a basis of the signal comparison, wherein an influence of a temperature of the examination object on the magnetic resonance signal waveform is taken into consideration in the further processing of the magnetic resonance signal waveform; wherein a temperature of the examination object is measured and that the determination of the value of the at least one tissue parameter includes; determining a provisional value of the at least one tissue parameter on the basis of the signal comparison and adapting the provisional value of the at least one tissue parameter to the measured temperature of the examination object.
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12. A method for magnetic resonance fingerprinting, comprising the following method steps:
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detecting a magnetic resonance signal waveform of an examination area of an examination object by means of a magnetic resonance fingerprinting method; comparing the detected magnetic resonance signal waveform with a number of signal waveforms stored in a database, wherein a database value of at least one tissue parameter is assigned to each of the database signal waveforms; and determining a value of the at least one tissue parameter on a basis of the signal comparison, wherein an influence of a temperature of the examination object on the magnetic resonance signal waveform is taken into consideration in the further processing of the magnetic resonance signal waveform; wherein a temperature of the examination object is determined on the basis of the determined value of the at least one tissue parameter.
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Specification