Method and apparatus for displaying pulse sequence of magnetic resonance imaging apparatus

• US 9,811,928 B2
• Filed: 08/12/2015
• Issued: 11/07/2017
• Est. Priority Date: 08/13/2014
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Park, Sung-hun, Zho, Sang-young
• Primary Examiner(s): Brier, Jeffery A
• Application Number:
  US14/824,477
• Publication Number:
  US 20160048986A1
• Time in Patent Office: 818 Days
• CPC Class Codes: G01R 33/283 Intercom or optical viewing arrangements, structurally associated with NMR apparatus
• CPC Class Codes: G01R 33/546 Interface between the MR system and the user, e.g. for controlling the operation of the MR system or for the design of pulse sequences
• CPC Class Codes: G06T 11/001 Texturing; Colouring; Generation of texture or colour inpainting G06T5/77
• CPC Class Codes: G06T 11/206 Drawing of charts or graphs
• CPC Class Codes: G06T 2210/41 Medical

Abstract

A pulse display apparatus includes a display configured to display a pulse sequence schematic diagram that shows an MRI pulse sequence along a timeline that is divided into a plurality of time sections, a user input unit configured to receive a user input for selecting a first point on the pulse sequence schematic diagram, and a controller configured to control the display such that an image that is usable for identifying a first area is displayed on the first area, wherein the first point is located in the first area from among a plurality of areas that correspond to the plurality of time sections.

Claims

1. A pulse display apparatus comprising:

a user input device configured to receive a user input for inputting a plurality of time sections and magnetic resonance imaging (MRI) pulses to be generated in each of the plurality of time sections;

a display configured to display a pulse sequence schematic diagram that shows an MRI pulse sequence along a timeline that is divided into the plurality of time sections based on the plurality of time sections and the MRI pulses to be generated in each of the plurality of time sections;

wherein the user input device is further configured to receive a user input that relates to selecting a first point on the pulse sequence schematic diagram; and

a processor configured to determine a time section from among the plurality of time sections and a first area corresponding to the determined time section in the pulse sequence schematic diagram based on coordinates of the selected first point, and control the display to identify the determined time section from among the plurality of time sections by displaying an image representing the first area on the first area.

2. The apparatus of claim 1, wherein the processor is further configured to acquire a parameter setting value that is usable for determining the plurality of time sections and the MRI pulses generated in the plurality of time sections, and, based on the parameter setting value, to generate the MRI pulse sequence, and

the display is further configured to display the MRI pulse sequence along the timeline.

3. The apparatus of claim 2, wherein the parameter setting value comprises at least one selected from among time length information that relates to the plurality of time sections, order information that relates to the plurality of time sections, information about respective colors that correspond to the plurality of time sections, and information about the MRI pulses generated in the plurality of time sections.

4. The apparatus of claim 3, wherein the processor is further configured to extract respective colors that correspond to the plurality of areas based on the information about the respective colors that correspond to the plurality of time sections, and

the display is further configured to display the extracted respective colors on the plurality of areas.

5. The apparatus of claim 4, wherein the user input device is further configured to receive a user input that relates to changing a time scale of the timeline, and

when the user input that relates to changing the time scale is received, the display is further configured to adjust respective sizes of the plurality of areas that correspond to the plurality of time sections and to display the extracted respective colors with the adjusted sizes.

6. The apparatus of claim 1, wherein the display is further configured to display a division line for dividing the plurality of time sections on the pulse sequence schematic diagram.

7. The apparatus of claim 1, wherein the MRI pulse sequence comprises a plurality of pulse sequences,

the processor is further configured to determine a pulse sequence that corresponds to the first point from among the plurality of pulse sequences, and to determine a second area that corresponds to the determined pulse sequence from the first area, and

the display is further configured to display an image that is usable for identifying the second area on the second area.

8. The apparatus of claim 1, wherein the user input device is further configured to receive a user input that relates to dragging from the first point in a direction of the timeline of the pulse sequence schematic diagram,

based on the user input that relates to the dragging, the processor is further configured to determine at least two areas that include at least a part of the first area where the first point is located, and

the display is configured to display a respective image that is usable for identifying a corresponding one of the at least two areas on each of the at least two areas.

9. The apparatus of claim 1, wherein the display is further configured to display information about an MRI pulse displayed in the first area from among a plurality of MRI pulses that form the MRI pulse sequence.

10. The apparatus of claim 1, wherein when the image that is usable for identifying the first area is displayed, the display is further configured to display an input window that relates to inputting annotation information,

the user input device is further configured to receive a user input that relates to inputting annotation information that describes the first area, via the input window, and

the processor is further configured to map the inputted annotation information to a time section that corresponds to the first area from among the plurality of time sections, and then to store the mapped annotation information.

11. The apparatus of claim 1, wherein the user input device is further configured to receive a user input that relates to selecting a mode from among an area selecting mode and an interface mode, and

wherein when the area selecting mode is selected, the processor is further configured to control the display to display division lines that correspond to the plurality of time sections, and when the interface mode is selected, the processor is further configured to control the display to not display the division lines.

12. A pulse sequence display method comprising:

receiving a user input for inputting a plurality of time sections and magnetic resonance imaging (MRI) pulses to be generated in each of the plurality of time sections;

displaying a pulse sequence schematic diagram that shows an MRI pulse sequence along a timeline that is divided into the plurality of time sections based on the plurality of time sections and the MRI pulses to be generated in each of the plurality of time sections;

receiving a user input that relates to selecting a first point on the pulse sequence schematic diagram;

determining a time section from among the plurality of time sections and a first area corresponding to the determined time section in the pulse sequence schematic diagram based on coordinates of the selected first point; and

controlling the display to identify the determined time section from among the plurality of time sections by displaying an image representing the first area on the first area.

13. The method of claim 12, wherein the displaying the pulse sequence schematic diagram comprises:

acquiring a parameter setting value that is usable for determining the plurality of time sections and the MRI pulses generated in the plurality of time sections;

generating, based on the parameter setting value, the MRI pulse sequence; and

displaying the MRI pulse sequence along the timeline.

14. The method of claim 13, wherein the parameter setting value comprises at least one selected from among time length information that relates to the plurality of time sections, order information that relates to the plurality of time sections, information about respective colors that correspond to the plurality of time sections, and information about the MRI pulses generated in the plurality of time sections.

15. The method of claim 14, further comprising:

extracting respective colors that correspond to the plurality of areas based on the information about the respective colors that correspond to the plurality of time sections; and

displaying the extracted respective colors on the plurality of areas.

16. The method of claim 15, wherein the displaying the extracted respective colors on the plurality of areas comprises:

receiving a user input that relates to changing a time scale of the timeline;

adjusting respective sizes of the plurality of areas that correspond to the plurality of time sections; and

displaying the extracted respective colors with the adjusted sizes.

17. The method of claim 12, wherein the displaying the pulse sequence schematic diagram comprises displaying a division line for dividing the plurality of time sections on the pulse sequence schematic diagram.

18. The method of claim 12, wherein the MRI pulse sequence comprises a plurality of pulse sequences, and

the displaying the image that is usable for identifying the first area comprises:

determining a pulse sequence that corresponds to the first point from among the plurality of pulse sequences;

determining a second area that corresponds to the determined pulse sequence from the first area; and

displaying an image that is usable for identifying the second area on the second area.

19. The method of claim 12, further comprising:

receiving a user input that relates to dragging from the first point in a direction of the timeline of the pulse sequence schematic diagram;

determining, based on the user input that relates to the dragging, at least two areas that include at least a part of the first area where the first point is located; and

displaying a respective image that is usable for identifying a corresponding one of the at least two areas on each of the at least two areas.

20. The method of claim 12, further comprising displaying information about an MRI pulse displayed in the first area from among a plurality of MRI pulses that form the MRI pulse sequence.

21. The method of claim 12, further comprising:

displaying, when the image that is usable for identifying the first area is displayed, an input window that relates to inputting annotation information;

receiving, via the input window, a user input that relates to inputting annotation information that describes the first area; and

mapping the inputted annotation information to a time section that corresponds to the first area from among the plurality of time sections, and then storing the mapped annotation information.