Medical imaging system and method
A radiography and medical technology, applied in the field of medical diagnosis, can solve the problems of inaccurate scan delay time, high time cost, complicated operation, etc.
Active Publication Date: 2019-06-28
GE MEDICAL SYST GLOBAL TECH CO LLC
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Problems solved by technology
[0005] In the prior art, the method of manually determining the region of interest is complex and time-consuming, and it is easy to mark the region of interest in the In the wrong place, the obtained HU-Time curve is not accurate enough, and the obtained scan delay time is not accurate
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[0020] Specific implementations of the present invention will be described below. It should be noted that in the specific description of these implementations, in order to make a concise description, it is impossible for this specification to describe all the features of the actual implementations in detail. It should be understood that in the actual implementation process of any implementation mode, just as in the process of any engineering project or design project, in order to achieve the specific goals of the developer, in order to meet the system-related or business-related restrictions, A variety of specific decisions are often made, and this will change from one implementation to another. In addition, it is also understandable that although the efforts made in this development process may be complicated and lengthy, for those of ordinary skill in the art related to the content disclosed in the present invention, the technology disclosed in this disclosure Some design, ma...
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The invention provides a medical imaging system and method. The medical imaging system includes a marking module, a classification module, a region of interest determination module, a curve acquisition module and a delay calculation module. The marking module is used to mark one or more characteristic regions from multiple pre-scanned images; the classification module is used to classify each characteristic region by using the classification algorithm model; the region of interest determination module is used to select the same type of tissue as the specific diagnosis The characteristic region of the region is used as the region of interest; the curve acquisition module is used to obtain the curve of the CT value of the region of interest over time according to the relationship between the CT value of the region of interest in each image of the pre-scan and the scanning time point of the corresponding image; The delay calculation module is used to detect the peak value of the curve, and calculate the scan delay time according to the time point corresponding to the peak value.
Description
Technical field [0001] The invention relates to the field of medical diagnosis, in particular to a medical imaging system and method. Background technique [0002] In medical imaging systems such as Computer Tomography (CT) and Ultrasound, Contrast Enhancement technology is often used to obtain diagnostic images of human tissues. Taking CT imaging technology as an example, the contrast agent is injected into human blood vessels before scanning, so that it can follow the blood flow to the tissues of interest such as the heart and liver that need to be diagnosed, making the blood vessels absorb X-rays significantly different from other surrounding tissues. Tissue, so you can get contrast-enhanced diagnostic images during scanning. [0003] Generally, scanning is performed after the contrast agent is injected for a period of time, and a better scan image can be obtained. The delay time is generally the time from when the contrast agent is injected to its CT value reaching the peak. T...
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IPC IPC(8): G06T7/00
CPCA61B6/486A61B6/488A61B6/5217A61B6/541A61B6/545G06T7/0016G06T2207/10016G06T2207/30104A61B6/032A61B6/469A61B6/481G06T2207/10081G16H50/30G06T11/003A61B6/5211G06T7/0012
Inventor 贾磊孙智慧杨斌
Owner GE MEDICAL SYST GLOBAL TECH CO LLC