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Ultrasound elastography real-time processing system

An ultrasonic elastography, real-time processing technology, applied in ultrasonic/sonic/infrasound image/data processing, ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasonic diagnosis, etc., can solve the limitation of low-end products Problems such as hardware cost and large amount of calculation can reduce the low quality and small size of data sources and ensure real-time performance.

Active Publication Date: 2018-01-09
CHISON MEDICAL TECH CO LTD
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Problems solved by technology

[0005] The purpose of the present invention is to provide an FPGA-based real-time processing system for ultrasonic elastography, which can be applied to various large-scale programmable array platforms, in view of the contradiction between the large amount of calculation of the existing elastography algorithm and the limitation of hardware costs for low-end products On, display the elastic graph in real time

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Embodiment Construction

[0032] The specific implementation manners of the present invention will be further described in detail below according to the accompanying drawings.

[0033] refer to figure 1 , The hardware device used in the present invention includes a probe and a front-end analog circuit, a low-power FPGA and its external RAM, a display module and its peripheral configuration circuit. Wherein: the probe and the analog front-end circuit are used to transmit and receive ultrasonic signals, and the analog front-end circuit can be connected to conventional probes such as linear arrays, convex arrays, and phased arrays; the FPGA and its external RAM form low-power processing The device has a number of logic units, multipliers, buffer units, etc. that support large data calculations in its chip, and has a storage function; the display module is used to display FPGA output information. The connection relationship between the various hardware components is: the probe and the analog front-end cir...

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Abstract

The invention relates to the field of ultrasonic medical images, in particular to an ultrasonic elastic imaging system implemented through an FPGA and a working method of the ultrasonic elastic imaging system. The system comprises a front end ultrasonic digital signal obtaining module, a middle end ultrasonic elastic imaging real-time processing module and a rear end elastic image display module. The system has the advantages that nuclear elastic imaging signal processing is completed through the FPGA, elastic images are displayed in real time, front end ultrasonic data do not need to be transmitted to an upper computer, and therefore the system is simplified, and the cost performance of the product is improved.

Description

technical field [0001] The invention relates to the field of ultrasonic medical imaging, in particular to a real-time ultrasonic elastic imaging system realized based on FPGA. Background technique [0002] The elasticity information of ultrasound detection target, as a relatively important biological indicator, has certain guiding significance in clinical practice. The quasi-static elastic imaging technology can obtain the hardness information of the detection target through an ultrasonic instrument. As an important clinical branch application in the field of ultrasound imaging, this technology has been intensively studied in the past two decades. [0003] How to quickly and real-time obtain the spatial displacement information of the detection target after being subjected to pressure is the most difficult problem in quasi-static ultrasonic elastography. At present, some studies have shown that the estimation of spatial displacement information based on signal cross-correl...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/08A61B8/00
Inventor 严凯赵明昌陆坚莫善玨
Owner CHISON MEDICAL TECH CO LTD
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