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Data processing method and system for cardiac magnetic resonance real-time film imaging

A data processing system and data processing technology, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve problems such as slow data processing, and achieve the effect of simple processing and high efficiency

Active Publication Date: 2013-04-03
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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Problems solved by technology

[0005] Based on this, it is necessary to address the problem of slow data processing and provide a data processing method for cardiac magnetic resonance real-time cine imaging with a faster processing speed

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  • Data processing method and system for cardiac magnetic resonance real-time film imaging
  • Data processing method and system for cardiac magnetic resonance real-time film imaging
  • Data processing method and system for cardiac magnetic resonance real-time film imaging

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Embodiment Construction

[0027] In the process of cardiac magnetic resonance cine imaging, since the breathing motion will cause the same slice in different cardiac phases and the spatial position mismatch between different slices, it is necessary to select the end-diastole and systole at the end of expiration (that is, the minimum breathing motion) Final pictures.

[0028] Data processing method of cardiac magnetic resonance real-time cine imaging, see appendix Figure 1~4 include:

[0029] S10: Acquire the selected imaging level, and read the image of the imaging level. For cardiac magnetic resonance cine imaging, it is first necessary to collect K-space data during the cardiac cycle, select a certain imaging level, and automatically read all the images of the imaging level according to the scanning time sequence. In this solution, the selection of the imaging level is not limited, for example, the selection of the imaging level may be set by the user. In other embodiments, the image is a T2-weig...

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Abstract

The invention provides a data processing method and a data processing system for cardiac magnetic resonance real-time film imaging. The method comprises the following steps that a selected imaging layer is obtained, and an image of the imaging layer is read; a reference line set on the image is obtained; a dynamic variation chart of a signal contour of the reference line along with acquisition time is obtained; a time interval from the beginning to the end of the end exhalation period is obtained from the dynamic variation chart; the diameter of the left ventricle within the time interval is calculated through the dynamic variation chart, and the heart phases of the end diastolic and the end systolic are determined in accordance with the diameter of the left ventricle; and images corresponding to the heart phases of the end diastolic and the end systolic are extracted and saved. By adopting the data processing method and the data processing system, the data processing speed can be increased.

Description

technical field [0001] The invention relates to magnetic resonance imaging processing technology, in particular to a data processing method and system for cardiac magnetic resonance real-time movie imaging. Background technique [0002] Cardiac magnetic resonance cine imaging is a commonly used imaging method for measuring cardiac function in clinical practice. Generally, part of the K-space data is collected within one cardiac cycle. Since the complete k-space data is completed over multiple cardiac cycles, the method is sensitive to respiratory motion. In order to eliminate the influence of breathing movement on the imaging quality, the subjects need to hold their breath repeatedly during the scanning process. This requirement is difficult to achieve in patients with severe heart disease, respiratory disease and children, so this method has greater clinical limitations. [0003] Cardiac magnetic resonance real-time cine imaging technology appropriately reduces the spatia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/055
Inventor 吴垠钟耀祖刘新郑海荣
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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