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Correction method for plane ultrasonic transcraniocerebral imaging

An ultrasound and brain technology, applied in the field of ultrasound imaging, can solve problems such as inability to obtain correct brain image information, phase and amplitude distortion, etc., and achieve the effects of fast speed, reduced artifacts, and improved imaging resolution

Active Publication Date: 2021-06-08
INST OF ACOUSTICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] The current technical difficulty of ultrasound transcranial imaging mainly lies in the fact that the skull has a strong attenuation and absorption effect on ultrasound, the acoustic parameters of the skull are greatly different from other tissues, and the shape, structure and acoustic parameters of the skull itself are non-uniform. Both phase and amplitude are distorted. If the traditional ultrasonic imaging method is used for brain imaging, it is almost impossible to obtain correct brain image information due to the influence of the skull.

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  • Correction method for plane ultrasonic transcraniocerebral imaging
  • Correction method for plane ultrasonic transcraniocerebral imaging
  • Correction method for plane ultrasonic transcraniocerebral imaging

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[0045] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0046] figure 1 A flow chart of a correction method for planar ultrasonic transcranial imaging provided by an embodiment of the present invention, as shown in the figure, includes the following steps:

[0047] Step S110, obtaining a cranial acoustic parameter model.

[0048] One, the basic model used in the present invention, and the conversion relationship between physical coordinates, CT image / acoustic parameter model coordinates, and ultr...

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Abstract

The embodiment of the invention provides a correction method for plane ultrasonic transcraniocerebral imaging, which compensates and corrects ultrasonic distortion caused by a skull by utilizing a skull acoustic parameter model and combining an ultrasonic plane wave imaging method, so that an imaging result can be accurately positioned, artifacts caused by the skull are reduced. And a basic imaging technology is provided for craniocerebral ultrasonic imaging equipment.

Description

technical field [0001] The present invention relates to ultrasonic imaging technology, and more specifically, the present invention relates to a correction method for planar ultrasonic transcranial imaging. Background technique [0002] With the development of transducer technology, plane wave imaging technology has made considerable progress, and has been gradually applied to clinical medicine, mostly on the human abdomen. Planar ultrasound imaging has an ultra-high frame rate, which is very suitable for imaging sensitive parts of the brain. However, due to the differences between the skull and the brain tissue in terms of shape, structure, and elastic parameters, its existence greatly hinders the imaging process. Relevant researchers have also made many efforts to reduce the impact of the skull. [0003] The traditional method of brain ultrasound imaging is to remove part of the skull during surgery and directly use conventional ultrasound imaging equipment for explorati...

Claims

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Application Information

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IPC IPC(8): G06T5/00
CPCG06T2207/10132G06T2207/10081G06T2207/30008G06T5/80
Inventor 苏畅林伟军宋亚龙
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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