Diagnosis assisting program
A technology that supports procedures and procedures, and is applied in the directions of diagnosis, diagnosis recording/measurement, medical automation diagnosis, etc., and can solve problems such as difficult to easily process data, the influence of myocardial contour tracking, and complex operations.
Pending Publication Date: 2022-02-11
帕拉梅维亚私人有限公司 +1
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Problems solved by technology
The reason for this is said to be that the software used for conventional heart function analysis requires complex operations to extract and correct the contours of the inner and outer sides of the myocardium
In addition, the reproducibility of the analysis results is also problematic, because the contour tracking of the inner and outer sides of the myocardium is easily influenced by the operator
In addition, with the spread of cardiac MRI and the increasing number of medical institutions using MRI systems provided by multiple manufacturers, the sequence names used by each company are different, making it difficult to easily handle these data
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[0059] The inventors of the present invention have focused on the fact that visualization techniques for the movement of organs (for example, the myocardium of the heart) have not been routinely put into practical use, and found that it is possible to support a doctor's diagnosis by representing not only deviations in the movement of organs but also positions where they do not move , and proposed the present invention. That is, since filter processing was not well applied in cardiac image processing techniques in the past, the present inventors applied a filter for extracting a target frequency to a cardiac image to make visible a portion that was difficult to observe. In this way, diagnosis, which used to require a lot of skill, can be simplified, and moving images can be expressed qualitatively, allowing the displayed content to be objective. Although the description is made using the heart as an example of the organ in this specification, it goes without saying that the pre...
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Provided is a diagnosis assisting program which is capable of displaying organ motion. This diagnosis assisting program analyzes an image of an organ of a human body and displays the analysis result, and causes a computer to execute: a process of obtaining a plurality of frame images; a process of calculating a periodic change that characterizes the condition of the organ between the frame images; a process of Fourier transforming the periodic change that characterizes the condition of the organ; a process of extracting a spectrum within a fixed band that includes the spectrum corresponding to the frequency of the organ motion from among spectrums obtained after the Fourier transformation; a process of inverse Fourier transforming the spectrum extracted from the fixed band; and a process of outputting each image after the inverse Fourier transformation.
Description
technical field [0001] The present invention relates to a technique for analyzing heart images and displaying the analysis results. Background technique [0002] In recent years, the mortality rate due to heart disease is on the rise, and the need for practical and simple diagnostic techniques is increasing. MRI diagnostic technology is rapidly developing, and since various cardiac examinations can be performed in a short period of time, the importance of MRI in image diagnosis of the cardiac region is increasing. Regarding "cardiac MRI", examinations such as "cine MRI", "perfusion", "delayed contrast enhancement" and "BB (black blood) method" are performed. Specifically, compared with ultrasonography, SPECT examination, and the like, cine MRI, which has no limitation on the examination range, can observe arbitrary cross-sections and has high reproducibility. Therefore, imaging is commonly performed in many medical institutions. Regarding cine MRI, for example, data acqui...
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IPC IPC(8): A61B5/055A61B5/00A61B6/00G06T5/00G06T5/10G06T7/162G16H30/40
CPCA61B5/055A61B5/0035A61B5/0044A61B5/7257A61B5/725A61B5/7235A61B6/5247G06T5/10G06T7/162G16H30/40G06T2207/20056G06T2207/30004G06T2207/30048G06T2207/20072G06T5/70A61B6/037A61B6/032A61B6/503A61B6/5205A61B6/5217A61B6/03G16H50/20G06T7/11G06T7/13G06T7/90A61B6/463A61B6/5211G06T7/0012G06T7/20G06T2207/10088G06T2207/10116G06T2207/30061
Inventor 阿部武彦吉田典史
Owner 帕拉梅维亚私人有限公司