Method and device for image region segmentation of ischemic stroke
A technology for ischemic stroke and region segmentation, which is applied in the field of image processing, can solve problems such as process dispersion, interference, and segmentation results are easily affected, and achieve the effects of avoiding errors, saving labor costs, and improving segmentation accuracy
Active Publication Date: 2021-10-26
BEIJING SENSETIME TECH DEV CO LTD
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The whole process is relatively scattered, and there are too many interferences of human factors, the final segmentation results are more easily affected
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[0026] Embodiments of the present application are described below with reference to the drawings in the embodiments of the present application.
[0027] see figure 1 , figure 1 is a schematic flow chart of a method for segmenting an ischemic stroke image region provided in an embodiment of the present application.
[0028] S101. Preprocessing the first intracranial computed tomography perfusion imaging (CTP) timing diagram to obtain a preprocessing intracranial computed tomography perfusion imaging timing diagram.
[0029] According to the computerized tomography image of the brain obtained by CT scanning, the CTP timing diagram can be obtained, and the subsequent distinction between the cerebral infarction area and the penumbra area is based on the CTP timing diagram, but the CTP timing diagram contains a large number of Invalid data, the existence of these invalid data will reduce the final segmentation accuracy and directly affect the doctor's diagnosis of the patient. T...
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The present application discloses a method and device for image region segmentation of ischemic stroke. The method includes: preprocessing the first intracranial computed tomography perfusion imaging CTP timing diagram to obtain the preprocessed intracranial CTP timing diagram; inputting the preprocessed intracranial CTP timing diagram into the first network for processing to obtain the obtained The first nuclear magnetic resonance MRI image corresponding to the intracranial CTP timing diagram after the preprocessing; the first MRI image is input into the second network for processing, and the regional segmentation image of ischemic stroke is obtained. Corresponding devices are also disclosed. By performing a series of convolution operations on the CTP timing diagram, the CTP timing diagram is automatically and efficiently divided into the cerebral infarction area, the penumbra area and the background area. The whole process does not require manual participation, which can effectively avoid errors caused by manual participation, save labor costs, and complete the distinction of CTP sequence diagrams efficiently and quickly.
Description
technical field [0001] The present application relates to the technical field of image processing, in particular to a method and device for ischemic stroke image region segmentation. Background technique [0002] Stroke, also known as "stroke", is an acute cerebrovascular disease with a very high fatal risk. Includes ischemic and hemorrhagic stroke. The incidence of ischemic stroke is higher than that of hemorrhagic stroke, accounting for 60%-70% of the total stroke. After the onset of ischemic stroke, an ischemic penumbra will be formed around the infarction after the occurrence of cerebral infarction. There are still a large number of dormant and semi-dormant brain cells in the penumbra. Therefore, how to save the penumbra becomes the key to clinical treatment. CTP (Computed Tomography Perfusion) has begun to be used as an early diagnosis method for ischemic stroke due to some excellent characteristics (such as: fast imaging speed, easy acquisition, etc.), and it can co...
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IPC IPC(8): G06T7/11G06N3/04
CPCG06T7/11G06T2207/30016G06T2207/10081G06N3/045
Inventor 刘蓬博宋涛
Owner BEIJING SENSETIME TECH DEV CO LTD