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Multi-beam processing method adopting beam enhancement and interpolation

A processing method and multi-beam technology, applied in ultrasonic/sonic/infrasonic diagnosis, application, sound wave diagnosis, etc., can solve problems such as inconsistency of receiving beam signal strength, inconsistency of lateral distance, and distortion of ultrasonic images

Active Publication Date: 2014-09-17
SONOSCAPE MEDICAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the single-beam scheme with the same receiving beam spacing, this scheme can achieve the goal of increasing the frame rate by 4 times, but there is a fatal shortcoming that the four receiving beams are inconsistent with the lateral distance from the center of the transmitting beam, resulting in the unevenness of the receiving beam. The signal strength is also inconsistent, which in turn causes lateral distortion of the ultrasound image
But the disadvantage is that the multiple of frame rate increase is only half of the number of beams

Method used

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  • Multi-beam processing method adopting beam enhancement and interpolation
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  • Multi-beam processing method adopting beam enhancement and interpolation

Examples

Experimental program
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specific Embodiment 1

[0027] Such as figure 1 As shown, a multi-beam processing method using beam enhancement and interpolation, the method includes the following steps:

[0028] S101. Set the number of receiving beams and the distance between adjacent receiving beams in a single transmission according to the number of probe array elements, and then calculate the number of transmitting beams and the interval between adjacent transmitting beams.

[0029] The number of probe array elements means that the ultrasonic probe is an organism composed of several piezoelectric material units arranged. Each piezoelectric material unit is called an array element, and the number of such array elements contained in a probe is called the number of probe array elements.

[0030] The number of receiving beams refers to the number of receiving beams formed each time an ultrasonic beam is transmitted, usually 2-8.

[0031] The distance between adjacent receiving beams refers to the distance between two adjacent re...

specific Embodiment 2

[0062] Such as Image 6 As shown, taking a 128-element probe to perform 4 receiving beams, a half-step, and a B-mode imaging scan as an example, the multi-beam synthesis method using beam enhancement and interpolation is described in detail. The method includes the following steps:

[0063] S201, setting the number of receiving beams and the spacing between receiving beams under a single transmission according to the number of probe array elements, and then calculating the number of transmitting beams and the interval between adjacent transmitting beams;

[0064] The interval between two adjacent transmit beams = the number of receive beams × the distance between adjacent receive beams.

[0065] The total number of receiving beams = the number of array elements * the distance between adjacent receiving beams.

[0066] Total number of transmitting beams = total number of receiving beams / number of receiving beams+1.

[0067] Therefore, in this example, because it is half a ste...

Embodiment 3

[0096] Such as image 3 As shown, the following uses a 128-element probe to perform a 2-beam half-step B-mode imaging scan, and describes in detail the multi-beam synthesis method using beam enhancement and interpolation.

[0097] S301. Set the number of receiving beams and the distance between receiving beams according to the number of probe array elements, and then calculate the number of transmitting beams and the interval between adjacent transmitting beams.

[0098] The interval between two adjacent transmit beams = the number of receive beams × the distance between adjacent receive beams.

[0099] The total number of receiving beams = the number of array elements / the interval between two adjacent receiving beams.

[0100] Total number of transmitting beams = total number of receiving beams / number of receiving beams+1.

[0101] Therefore, in this example, since it is a half-step distance, the distance between adjacent receiving beams = 0.5 times the step distance.

...

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Abstract

The invention provides a multi-beam processing method adopting the beam enhancement and interpolation. The method comprises the following steps: S101, setting one-time received beam number N, adjacent received beam intervals, emitted beam number and adjacent emitted beam intervals, wherein N is larger than or equal to 1; S102, initializing emission, obtaining corresponding N original received beams, and obtaining and storing a first new received beam after the original received beams are subjected to beam enhancement; S103, entering the normal emission phase, obtaining N original received beams, performing the beam enhancement and interpolation to the N original received beams and the original received beams obtained in the previous emission, so as to obtain N new received beams and store the beams; S104, repeatedly performing the step S103 until the final emission in the imaging of the same frame, performing the follow-up treatment as per all the obtained new received beams subjected to interpolation, so as to obtain an ultrasonic image of the frame. According to the invention, the received beams are processed by adopting the beam enhancement and interpolation method, so that the frame frequency is improved, and the problem of horizontal distortion of images is solved.

Description

technical field [0001] The invention relates to the technical field of ultrasonic imaging, in particular to a multi-beam processing method using beam enhancement and interpolation. Background technique [0002] The multi-beam processing method is a beam combiner design method widely used in the field of ultrasonic imaging diagnostic equipment. It is a signal processing technology that transmits an ultrasonic beam and synthesizes multiple receiving ultrasonic beams at the same time, thereby increasing the image frame rate. Taking 4-beam synthesis as an example, the existing technical solutions are described. [0003] Solution 1: Simple multi-beam, such as Figure 8 shown. Every time an ultrasonic beam is transmitted, four receiving beams at different positions but equally spaced with the transmitting beam as the center are simultaneously synthesized to obtain four receiving beams. The receiving beams formed by any two transmissions of ultrasonic waves are isolated from eac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/00
Inventor 莫寿农黎英云康伟
Owner SONOSCAPE MEDICAL CORP