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An identification method of time phase of heart state

A time phase and identification method technology, applied in the field of image processing, can solve the problems of complex calculation, dependence on electrocardiogram, and complex time phase identification method of heart state, etc., to achieve the effect of simple, stable and accurate identification

Active Publication Date: 2017-07-28
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Description
  • Claims
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Problems solved by technology

[0007] What the present invention aims to solve is that the identification method of the time phase of the existing heart state is relatively complicated, the calculation is complicated and the problem of relying too much on the electrocardiogram

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  • An identification method of time phase of heart state
  • An identification method of time phase of heart state
  • An identification method of time phase of heart state

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Embodiment Construction

[0018] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0019] Secondly, the present invention is described in detail by means of schematic diagrams. When describing the embodiments of the present invention in detail, for convenience of explanation, the schematic diagrams are only examples, which should not limit the protection scope of the present invention.

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. The identification method of the heart state time phase of the present invention is as follows:...

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Abstract

A method and device for identifying the time phase of the heart state. The time phase identification method includes: inputting a three-dimensional image of any phase of the heart to obtain the positions of the apex and mitral valve of the left ventricle of the heart; according to the apex and bicuspid The position information of the cusp valve is used to obtain a three-dimensional area; according to the image information in the three-dimensional area, the end-diastole and end-systole of the cardiac cycle are determined. The technical solution quickly, stably and accurately recognizes the time phase of the heart state based on the gray scale distribution characteristics of the heart image, and the recognition process is simple and completely automatic.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a method for identifying time phases of cardiac states. Background technique [0002] In the analysis of cardiac function, the usual method is to select the end-diastole (end-diastole, ED) and end-systole (end-systole, ES) of a heartbeat cycle to calculate various cardiac function indexes, such as ejection fraction, local myocardial changes, myocardial Variations in wall thickness, etc. Therefore, it is necessary to determine the images corresponding to the time phase of ED and ES in the analysis of cardiac function. [0003] At present, the methods for determining the phase of ED and ES mainly include manual observation method, ECG auxiliary judgment method, image post-processing methods such as volume judgment method and phase image gray value correlation method, etc. The manual observation method is to read the images of each phase of the heart, find the position of the left ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/03
Inventor 黄慧庄吓海李强
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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