CN113367724A - Alignment scanning method and debugging method of ultrasonic system - Google Patents
Alignment scanning method and debugging method of ultrasonic system Download PDFInfo
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- CN113367724A CN113367724A CN202110515996.XA CN202110515996A CN113367724A CN 113367724 A CN113367724 A CN 113367724A CN 202110515996 A CN202110515996 A CN 202110515996A CN 113367724 A CN113367724 A CN 113367724A
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Abstract
The invention relates to a method for scanning an ultrasonic system in a defined line mode, which comprises the following steps: selecting an abnormal image area of a frame of ultrasonic image; positioning a corresponding abnormal scanning line according to the current abnormal image area; acquiring scanning control parameters corresponding to abnormal scanning lines; and replacing the scanning control parameters of all the scanning lines in one frame of the ultrasonic image with the scanning control parameters corresponding to the abnormal scanning lines, carrying out scanning again to obtain a new frame of ultrasonic image, judging whether all the scanning lines are abnormal, if not, returning to the step S2, judging one abnormal scanning line again, and if so, determining that the abnormal scanning line judged in the step S2 has a problem. The alignment scanning method can quickly scan and position abnormal scanning lines appearing in the image, and amplify the abnormal scanning lines so as to be convenient for research and development personnel to debug.
Description
Technical Field
The invention belongs to the technical field of ultrasonic scanning, and particularly relates to a line-defining scanning method and a debugging method of an ultrasonic system.
Background
Each transmission and reception of the ultrasound system requires various transmission and reception parameters to guide the control action of the FPGA, such as the transmission delay, the transmission waveform, the transmission aperture size of the current transmission, the reception delay parameter and the apodization coefficient used in the current reception, and the like. These parameters related to transmission and reception are referred to as scan control parameters. The scanning control parameters transmitted and received each time are different, and all the scanning control parameters required by a frame of complete ultrasonic image are formed, and are called as scanning control frames. A complete frame of ultrasound images consists of a plurality of scan lines, each having its corresponding scan control parameters. During the debugging and using process of the ultrasonic system, the ultrasonic scanning image may have BUG, specifically, some scanning lines may have the phenomena of flicker and uneven energy, and the scanning lines are dense, so that the position of the abnormal scanning line is difficult to determine, and a certain difficulty is increased for quickly solving the system abnormality, so a scanning and debugging method is needed, the abnormal scanning line appearing in the image can be quickly scanned, and the abnormal scanning line is amplified so as to be convenient for research and development personnel to debug.
Disclosure of Invention
Based on the above-mentioned shortcomings and drawbacks of the prior art, it is an object of the present invention to at least solve one or more of the above-mentioned problems of the prior art, in other words, to provide a method for scanning and debugging a line of an ultrasound system that satisfies one or more of the above-mentioned needs.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for performing a defined line scan of an ultrasound system, comprising the steps of:
s1, selecting an abnormal image area of a frame of ultrasonic image;
s2, judging a corresponding abnormal scanning line according to the current abnormal image area;
s3, obtaining scanning control parameters corresponding to the abnormal scanning lines;
s4, replacing the scanning control parameters of all the scanning lines in a frame of ultrasonic image with the scanning control parameters corresponding to the abnormal scanning lines, scanning again to obtain a new frame of ultrasonic image, judging whether all the scanning lines are abnormal, if not, returning to the step S2, judging an abnormal scanning line again, and if so, determining that the abnormal scanning line judged in the step S2 has a problem.
Preferably, a corresponding abnormal scanning line is positioned according to the current abnormal image area, and the abnormal scanning line is judged by combining the position of the abnormal image area and the line density.
In another aspect, the present invention further provides a method for debugging an ultrasound system, using the routing scan method as described in any of the above, after determining an abnormal scan line, the ultrasonic system is debugged according to the abnormal scan line position and image determined by the routing scan method.
As a preferred scheme, when the ultrasound system is debugged, the scanning control parameters corresponding to the abnormal scanning lines are used as the scanning control parameters of all the scanning lines in the ultrasound image of one frame, and scanning is performed once again to complete the preparation work of debugging so as to determine whether the debugging is completed.
Compared with the prior art, the invention has the beneficial effects that:
the method can quickly scan and locate the abnormal scanning lines appearing in the image, and amplify the abnormal scanning lines so as to be convenient for research and development personnel to debug.
Drawings
Fig. 1 is an abnormal ultrasound image of a frame of the alignment scanning method of an ultrasound system according to embodiment 1 of the present invention;
fig. 2 is a newly created ultrasound image of a method of line-scan of an ultrasound system of embodiment 1 of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain the embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
Example 1: in the method for performing line-defining scanning in an ultrasound system according to this embodiment, a frame of abnormal ultrasound image is shown in fig. 1 and is composed of 128 scan lines, the line number increases from 0 to 127, and several abnormal scan lines appear flicker and uneven energy in the middle of the abnormal scan line, which are marked by dotted lines.
The method comprises the following specific steps:
step S1 is first executed: selecting an abnormal image area in a frame of ultrasonic image with the abnormal image area, and selecting the abnormal image area on the right side of fig. 1 in the embodiment;
then, step S2 is executed: estimating abnormal scanning lines by combining the position of the abnormal image area and the line density, estimating the number of the abnormal scanning lines in the area by using the width of the abnormal image area, and determining the abnormal scanning lines corresponding to the abnormal image area according to the number of the abnormal scanning lines at the central position of the line density estimation;
after the abnormal scan line is determined, step S3 is executed: acquiring scanning control parameters corresponding to the abnormal scanning lines;
based on the scan control parameters obtained in S3, step S4 is performed: and creating a new frame of ultrasound image, replacing the scanning control parameters of all the scanning lines with the scanning control parameters corresponding to the abnormal scanning lines, wherein all the scanning lines use the scanning parameters corresponding to the abnormal scanning lines, but all the scanning lines are still increased progressively according to the normal line number, and all the scanning lines are the scanning control parameters of the abnormal scanning lines as shown in fig. 2. Issuing the control parameters to the FPGA for scanning again, and synthesizing a frame of image according to the scanning line number; then observing whether all the scanning lines of the ultrasonic image are abnormal scanning lines or not, and if so, determining that the estimated scanning lines have problems; if not, a scan line needs to be reselected, and the process returns to step S2 to reselect an abnormal scan line until an abnormal scan line of the abnormal image region is found.
By the method, the line number of the abnormal scanning line in the ultrasonic image can be quickly scanned and positioned, and the abnormal scanning line can be amplified to the whole ultrasonic image, so that a worker can conveniently observe the image to judge the problem and debug the equipment.
The embodiment also provides a debugging method of an ultrasonic system applying the alignment scanning method, which comprises the following specific steps: after the abnormal scanning line number is found by the line-defining scanning method, the problems of the ultrasonic system are solved and debugged by using the ultrasonic image of which all the scanning lines are the abnormal scanning line and the scanning control parameters corresponding to the abnormal scanning line number, a new frame of ultrasonic image is created when the ultrasonic system is debugged, the scanning control parameters corresponding to the abnormal scanning line are used as the control parameters of all the scanning lines in the ultrasonic image, and scanning is performed once again to finish the preparation work of debugging.
Example 2: the difference between the method for line-to-line scanning of an ultrasound system of the present embodiment and embodiment 1 is that: in step S4, after finding the abnormal scan line of the abnormal image region, the method returns to step S2 to re-select another abnormal image region in the frame of ultrasound image and locate the abnormal scan line.
Other methods may refer to example 1.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing has outlined rather broadly the preferred embodiments and principles of the present invention and it will be appreciated that those skilled in the art may devise variations of the present invention that are within the spirit and scope of the appended claims.
Claims (4)
1. A method for performing a defined line scan of an ultrasound system, comprising the steps of:
s1, selecting an abnormal image area of a frame of ultrasonic image;
s2, judging a corresponding abnormal scanning line according to the current abnormal image area;
s3, acquiring scanning control parameters corresponding to the abnormal scanning lines;
s4, replacing the scanning control parameters of all the scanning lines in a frame of ultrasonic image with the scanning control parameters corresponding to the abnormal scanning lines, scanning again to obtain a frame of new ultrasonic image, judging whether all the scanning lines are abnormal, if not, returning to the step S2, judging an abnormal scanning line again, and if so, determining that the abnormal scanning line judged in the step S2 has a problem.
2. The method of claim 1, wherein said determining a corresponding abnormal scan line according to the current abnormal image area is determining an abnormal scan line according to the position and line density of the abnormal image area.
3. A method of commissioning an ultrasound system comprising the method of claim 1-2, after determining an abnormal scanline, commissioning an ultrasound system according to the abnormal scanline position and image determined by the method of inline scanning.
4. The method of claim 3, wherein the scan control parameters corresponding to the abnormal scan lines are used as the scan control parameters of all scan lines in a frame of ultrasound image during the debugging of the ultrasound system, and the scanning is performed again to complete the preparation for debugging.
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| CN202110515996.XA CN113367724B (en) | 2021-05-12 | 2021-05-12 | Alignment scanning method and debugging method of ultrasonic system |
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| US6503201B1 (en) * | 2001-10-03 | 2003-01-07 | Koninklijke Philips Electronics N.V. | Correction of extended field of view images for distortion due to scanhead motion |
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