Method for displaying signal values of a combined magnetic resonance positron emission tomography device and a correspondingly embodied magnetic resonance positron emission tomography device
A method, a computer program product and a computer-readable storage medium are disclosed for displaying signal values of a combined magnetic resonance positron emission tomography device. In at least one embodiment, the spatial correspondence of signal values, which result from a magnetic resonance measurement, and of signal values, which result from a positron emission tomography measurement, are used and the corresponding signal values are arranged in matrix form and displayed graphically as a multi-dimensional scatter plot.
1. A method for displaying signal values of a combined magnetic resonance positron emission tomography device, the method comprising:
assigning a first image data record with signal parameters which result from a magnetic resonance measurement to a second image data record with signal parameters which result from a positron emission tomography measurement;
assigning at least one signal parameter of the first image data record to at least one signal parameter of the second image data record in the form of an n tuple, wherein n is greater than one and specifies a number of assigned signal parameters and wherein the n tuple specifies spatially corresponding signal values of the first image data and the second image data; and
outputting an n-dimensional scatter plot by displaying all n tuples, wherein a coordinates axis is assigned to each of the signal parameters.
2. The method of claim 1 , wherein one signal parameter of the first image data record is assigned to one signal parameter of the second image data record, so that a two-dimensional matrix of signal values is produced and wherein a two-dimensional scatter plot of the corresponding signal values is output.
3. The method of claim 2 , wherein, by way of at least one selection criterion, a selection of the n-tuples shown in the scatter plot takes place and wherein at least one selection device, configured to select at least one identified area is made available to a user for selection purposes.
4. The method of claim 1 , wherein one signal parameter of the first image data record is assigned to two signal parameters of the second image data record, or wherein two signal parameters of the first image data record are assigned to one signal parameter of the second image data record, so that a two-dimensional matrix of signal values is produced and wherein a three-dimensional scatter plot of the corresponding signal values is output.
5. The method of claim 4 , wherein, by way of at least one selection criterion, a selection of the n-tuples shown in the scatter plot takes place and wherein at least one selection device, configured to select at least one identified area is made available to a user for selection purposes.
6. The method of claim 1 , wherein the image data record of the magnetic resonance measurement is detected during at least a portion of detecting the image data record of the positron emission tomography measurement.
7. The method of claim 1 , wherein a correction method is applied prior to or after the assigning of the first image data record.
8. The method of claim 1 , wherein, by way of at least one selection criterion, a selection of the n-tuples shown in the scatter plot takes place and wherein at least one selection device, configured to select at least one identified area is made available to a user for selection purposes.
9. The method of claim 8 , wherein the at least one selection device includes a geometric shape.
10. The method of claim 8 , wherein the at least one selection device includes a separation function.
11. The method of claim 8 , wherein the data within the selected area is arranged in a different manner to data outside of the selected area.
12. The method of claim 8 , wherein the at least one selection criterion leads to a selection of image data in at least one of the first and second image data record.
13. The method of claim 8 , wherein at least one selection criterion is applied to at least one image data record, detected in a further time window.
14. The method of claim 8 , wherein at least one of image data and signal values of at least one of the first and second image data, included in the selected area when superimposing the first image data record with the second image data record, are weighted.
15. The method of claim 8 , wherein the at least one area selected by the user is used for a segmentation in at least one of the first and second image data record.
16. A combined magnetic resonance positron emission tomography device for displaying signal values, comprising:
a detection unit;
a processing unit;
a control facility; and
an output unit, wherein
the detection unit is configured to assign a first image data record with signal parameters, which result from a magnetic resonance measurement, to a second image data record with signal parameters, which result from a positron emission tomography measurement,
the processing unit is configured to assign at least one signal parameter of the first image data record to at least one signal parameter of the second image data record in the form of an n tuple, wherein n is greater than one and specifies the number of assigned signal parameters and wherein the n tuple specifies spatially corresponding signal values of the first image data and the second image data, and
the output unit is configured to output an n-dimensional scatter plot by displaying all n tuples, wherein a coordinates axis is assigned to each signal parameter.
17. A non-transitory computer program product, including a program loadable directly into a memory of a programmable control facility of a combined magnetic resonance positron emission tomography device, the program including program segments to execute the method of claim 1 upon the program being run in the control facility of the combined magnetic resonance positron emission tomography device.
18. A non-transitory electronically readable data carrier including electronically readable control information stored thereupon, configured such that when using the data carrier in a control facility of a combined magnetic resonance positron emission tomography device, it is configured to implement the method of claim 1 .
19. A non-transitory computer program product, including a program loadable directly into a memory of a programmable control facility of a combined magnetic resonance positron emission tomography device, the program including program segments to execute the method of claim 2 upon the program being run in the control facility of the combined magnetic resonance positron emission tomography device.
20. A non-transitory computer program product, including a program loadable directly into a memory of a programmable control facility of a combined magnetic resonance positron emission tomography device, the program including program segments to execute the method of claim 4 upon the program being run in the control facility of the combined magnetic resonance positron emission tomography device.