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Method for optimizing acoustic parameters in imaging of self-adaptive medical ultrasonic system

An ultrasonic system and acoustic parameter technology, applied in the medical field, can solve time-consuming problems and achieve the effect of simple operation, good resolution and uniform brightness

Inactive Publication Date: 2012-10-03
SASET CHENGDU TECH LTD
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Problems solved by technology

Although this interactive gain compensation method is simple to operate and easy to implement, this method requires operator participation and subjective judgment, which is not only time-consuming, but also needs to be adjusted again with changes in imaging parameters such as depth, frequency, and scanning location.

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  • Method for optimizing acoustic parameters in imaging of self-adaptive medical ultrasonic system
  • Method for optimizing acoustic parameters in imaging of self-adaptive medical ultrasonic system
  • Method for optimizing acoustic parameters in imaging of self-adaptive medical ultrasonic system

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Embodiment Construction

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0039] A method for optimizing acoustic parameters in adaptive medical ultrasound system imaging, comprising the following steps:

[0040] 1) figure 1 It is a system block diagram of the traditional B-mode ultrasound imaging standard, which includes five modules: a beamformer, an echo signal processor, a scan converter, an image processor, and a display. On this basis, we add a tissue sound attenuation coefficient optimizer, this module is only opened when the sound attenuation coefficient is optimized, refer to figure 2 . exist figure 2 In the sub-module 201, different tissue sound attenuation coefficients are used to compensate the same two-dimensional grayscale image. The iteration range of the sound attenuation coefficient is 0.3dB / cmMHz to 1.3dB / cmMHz, and each iteration is 0.05dB / cmMHz. Therefore, multiple two-dimensional...

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Abstract

The invention discloses a method for optimizing imaging parameters in a self-adaptive medical ultrasonic system and designs a method for improving the ultrasonic imaging quality by optimizing the sound velocity and the tissue sound attenuation coefficient. The method comprises the steps: changing the sound velocity and the tissue sound attenuation coefficient by iteration; using a series of processing methods to obtain the optimal scanning sound velocity and tissue sound attenuation coefficient; and finally setting the obtained coefficient into parameters used by the ultrasonic imaging so as to obtain ultrasonic images with more uniform brightness, better resolution and stronger contrast. A technique for optimizing the imaging parameters of the self-adaptive medical ultrasonic system has important clinical significance in diagnosis and is suitable for the technical field of medicine.

Description

technical field [0001] The invention belongs to the technical field of medicine, relates to an ultrasonic imaging technology, in particular to an adaptive acoustic parameter optimization method in medical ultrasonic system imaging. Background technique [0002] In medical ultrasound system imaging system, sound velocity and tissue sound attenuation coefficient are two very important imaging parameters. When ultrasound propagates in different tissues of the human body, the sound velocity and tissue sound attenuation coefficient are quite different. For example, when the ultrasonic wave propagates in fat with high body fat content, the sound velocity is about 1450m / s, and the tissue sound attenuation coefficient is 0.63dB / cmMHz . In muscle, the sound velocity is about 1580m / s, and the tissue sound attenuation system is 1.8dB / cmMHz. The sound velocity of some muscle tissue can even be as high as 1640m / s, as shown in Table 1. The current medical ultrasound system usually uses...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00
Inventor 刘东权高君
Owner SASET CHENGDU TECH LTD
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