CN111839589A - One-key optimization method, system, equipment and computer medium for ultrasonic contrast imaging - Google Patents
One-key optimization method, system, equipment and computer medium for ultrasonic contrast imaging Download PDFInfo
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Abstract
The application discloses an ultrasonic contrast imaging adjusting method, system, equipment and computer medium, which are used for acquiring an imaging frame rate and a real-time imaging depth of target ultrasonic contrast equipment in an ultrasonic contrast process; adjusting the emission time sequence of the target ultrasonic radiography equipment based on the imaging frame rate; adjusting the real-time transmitting frequency of the target ultrasonic contrast equipment based on the real-time imaging depth; acquiring radio frequency signal data of target ultrasonic contrast equipment in an ultrasonic contrast process; adjusting real-time receiving demodulation parameters of the target ultrasonic radiography equipment based on the radio frequency signal data; and re-performing ultrasonic contrast imaging based on the adjusted target ultrasonic contrast equipment to obtain a target ultrasonic contrast image. In the application, the adjustment of multiple parameters of the target ultrasonic radiography equipment is realized, the adjusted target ultrasonic radiography equipment is more consistent with the actual operation condition, and the adjustment effect is good.
Description
Technical Field
The present application relates to the field of ultrasound technology, and more particularly, to a one-key optimization method, system, device, and computer medium for ultrasound contrast imaging.
Background
Ultrasonic Contrast (Enhanced-Contrast Ultrasound), also known as acoustic Contrast (AcousticContrast), is a technique that uses Contrast agent to enhance the back-scattered echo, significantly improving the resolution, sensitivity and specificity of ultrasonic diagnosis. In the ultrasonic contrast process, in order to ensure the imaging effect of an ultrasonic contrast image and the applicability of the ultrasonic contrast image to different objects, when a user finds the problems of the current contrast effect, the gain consistency existing in contrast and the like, the ultrasonic contrast image needs to be optimized quickly, at the moment, the user presses a one-key optimization key, and the system can perform related parameter strategy optimization according to a contrast imaging one-key optimization algorithm. The parameter optimization strategy in some current ultrasound imaging systems is basically optimized for gain.
However, since the objects scanned by the ultrasound contrast imaging apparatus are different and the adjustment rule implemented by the one-key optimization key is unchanged, the adjustment rule is not matched with the scanned object, so that the adjustment effect of the ultrasound contrast imaging is poor.
In view of the above, how to improve the adjustment effect of ultrasound contrast imaging is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The application aims to provide a one-key optimization method for ultrasonic contrast imaging, which can improve the adjustment effect of the ultrasonic contrast imaging to a certain extent. The application also provides an ultrasonic contrast imaging one-key optimization system, equipment and a computer readable storage medium.
In order to achieve the above purpose, the present application provides the following technical solutions:
a one-key optimization method for ultrasound contrast imaging comprises the following steps:
acquiring an imaging frame rate and a real-time imaging depth of a target ultrasonic radiography device in an ultrasonic radiography process;
adjusting a transmit timing of the target ultrasound contrast device based on the imaging frame rate;
adjusting a real-time transmit frequency of the target ultrasound contrast device based on the real-time imaging depth;
acquiring radio frequency signal data of the target ultrasonic contrast equipment in an ultrasonic contrast process;
adjusting real-time reception demodulation parameters of the target ultrasound contrast equipment based on the radio frequency signal data;
and re-performing ultrasonic contrast imaging based on the adjusted target ultrasonic contrast equipment to obtain a target ultrasonic contrast image.
Preferably, the adjusting the transmission timing of the target ultrasound contrast apparatus based on the imaging frame rate includes:
judging whether the imaging frame rate is greater than a corresponding minimum frame rate threshold value;
if the imaging frame rate is greater than the minimum frame rate threshold, increasing the number of transmit pulses of the target ultrasound contrast equipment to prolong the time of the transmit time sequence and change the imaging frame rate;
wherein the transmit pulse number comprises a number of pulses transmitted by the targeted ultrasound contrast device in a set of pulses.
Preferably, the determining whether the imaging frame rate is greater than a corresponding minimum frame rate threshold includes:
and judging whether the imaging frame rate is greater than the minimum frame rate threshold corresponding to a scanning object.
Preferably, the adjusting the real-time transmitting frequency of the target ultrasound contrast apparatus based on the real-time imaging depth includes:
acquiring a first corresponding relation of the target ultrasonic contrast equipment, wherein the first corresponding relation is a corresponding relation between imaging depth and emission frequency;
determining a target emission frequency corresponding to the real-time imaging depth based on the first corresponding relation;
and taking the value of the target transmitting frequency as the value of the real-time transmitting frequency.
Preferably, the first correspondence includes a correspondence between an imaging depth segment and an emission frequency value;
the acquiring a first corresponding relation of the target ultrasound contrast equipment comprises:
acquiring working modes of the target ultrasonic equipment, and imaging depths and transmitting frequencies corresponding to the working modes;
acquiring frequency points supported between the transmitting frequencies corresponding to the working modes;
according to the number of the frequency points, the imaging depth between the corresponding working modes is divided in an equal proportion to obtain the imaging depth section, wherein the range of the imaging depth section is in inverse proportion to the number of the frequency points;
and taking the frequency point corresponding to the imaging depth section in which the imaging depth falls as the emission frequency value of the imaging depth.
Preferably, the acquiring radio frequency signal data of the target ultrasound contrast equipment in an ultrasound contrast process includes:
controlling the target ultrasonic equipment to carry out ultrasonic radiography again according to the adjusted transmitting time sequence and the adjusted real-time transmitting frequency;
acquiring the radio frequency signal data of the target ultrasonic contrast equipment in an ultrasonic contrast process;
the adjusting the real-time receiving demodulation parameters of the target ultrasound contrast equipment based on the radio frequency signal data comprises:
performing echo FFT analysis on the radio frequency signal data to obtain an echo FFT analysis result;
determining a target receiving demodulation parameter based on the echo FFT analysis result;
and taking the value of the target receiving demodulation parameter as the value of the real-time receiving demodulation parameter.
Preferably, after the adjusting the real-time receiving demodulation parameters of the target ultrasound contrast apparatus based on the radio frequency signal data, before the performing ultrasound contrast imaging again based on the adjusted target ultrasound contrast apparatus, the method further includes:
acquiring amplitude data of the target ultrasonic contrast equipment in the ultrasonic contrast process based on the adjusted real-time receiving demodulation parameters;
adjusting an image gain of the target ultrasound contrast device based on the amplitude data.
Preferably, the determining a target receiving demodulation parameter based on the echo FFT analysis result includes:
determining an echo FFT analysis curve based on the echo FFT analysis result;
determining a target demodulation frequency value according to a frequency value corresponding to the peak value of the echo FFT analysis curve;
determining the target receive demodulation parameter based on the target demodulation frequency value.
An ultrasound contrast imaging one-key optimization system comprising:
the first acquisition module is used for acquiring the imaging frame rate and the real-time imaging depth of the target ultrasonic radiography equipment in the ultrasonic radiography process;
a first adjusting module, configured to adjust a transmission timing of the target ultrasound contrast apparatus based on the imaging frame rate;
a second adjusting module, configured to adjust a real-time transmit frequency of the target ultrasound contrast device based on the real-time imaging depth;
the second acquisition module is used for acquiring radio frequency signal data of the target ultrasonic contrast equipment in an ultrasonic contrast process;
a third adjusting module, configured to adjust a real-time receiving demodulation parameter of the target ultrasound contrast apparatus based on the radio frequency signal data;
and the first contrast module is used for carrying out ultrasonic contrast imaging again on the basis of the adjusted target ultrasonic contrast equipment to obtain a target ultrasonic contrast image.
An ultrasound contrast imaging one-key optimization device comprising:
a memory for storing a computer program;
a processor for implementing the steps of the ultrasound contrast imaging one-key optimization method as described in any one of the above when the computer program is executed.
A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the ultrasound contrast imaging one-key optimization method according to any one of the preceding claims.
The application provides a one-key optimization method for ultrasonic contrast imaging, which comprises the steps of obtaining an imaging frame rate and a real-time imaging depth of target ultrasonic contrast equipment in an ultrasonic contrast process; adjusting the emission time sequence of the target ultrasonic radiography equipment based on the imaging frame rate; adjusting the real-time transmitting frequency of the target ultrasonic contrast equipment based on the real-time imaging depth; acquiring radio frequency signal data of target ultrasonic contrast equipment in an ultrasonic contrast process; adjusting real-time receiving demodulation parameters of the target ultrasonic radiography equipment based on the radio frequency signal data; and re-performing ultrasonic contrast imaging based on the adjusted target ultrasonic contrast equipment to obtain a target ultrasonic contrast image. In the application, the transmission time sequence of the target ultrasonic radiography equipment can be adjusted according to the imaging frame rate, the real-time transmission frequency of the target ultrasonic radiography equipment is adjusted according to the real-time imaging depth, the real-time receiving demodulation parameters of the target ultrasonic radiography equipment are adjusted according to the radio-frequency signal data, the adjustment of multiple parameters of the target ultrasonic radiography equipment is realized, the imaging frame rate, the real-time imaging depth and the radio-frequency signal data are real-time generated data of the target ultrasonic radiography equipment in the ultrasonic radiography process, the adjustment of the target ultrasonic radiography equipment in real time according to the data generated by the target ultrasonic radiography equipment in the operation process is also realized, the adjusted target ultrasonic radiography equipment can be more consistent with the actual operation condition, and the adjustment effect is good. The ultrasonic contrast imaging one-key optimization system, the ultrasonic contrast imaging one-key optimization equipment and the computer-readable storage medium solve the corresponding technical problems.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a first flowchart of a one-key optimization method for ultrasound contrast imaging according to an embodiment of the present disclosure;
fig. 2 is a second flowchart of a one-key optimization method for ultrasound contrast imaging according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a one-key optimization system for ultrasound contrast imaging according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an ultrasound contrast imaging one-key optimization device provided in an embodiment of the present application;
fig. 5 is another schematic structural diagram of an ultrasound contrast imaging one-key optimization apparatus according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a first flowchart of a one-key optimization method for ultrasound contrast imaging according to an embodiment of the present disclosure.
The one-key optimization method for ultrasonic contrast imaging provided by the embodiment of the application can comprise the following steps of:
step S101: and acquiring the imaging frame rate and the real-time imaging depth of the target ultrasonic imaging equipment in the ultrasonic imaging process.
In practical application, an imaging frame rate and a real-time imaging depth of the target ultrasound contrast apparatus during an ultrasound contrast process may be obtained first, and it should be noted that the imaging frame rate in this application is also an imaging frame rate applied by the target ultrasound contrast apparatus in real time.
In a specific application scenario, the ultrasound contrast imaging adjustment method provided by the application can be matched with a one-key optimization key set for a user, that is, after the user triggers the one-key optimization key of the target ultrasound contrast equipment, the steps of obtaining the imaging frame rate, the real-time imaging depth and the like of the target ultrasound contrast equipment in the ultrasound contrast process can be executed.
It should be noted that, in a specific application scenario, a one-key optimization button may be set on the target ultrasound contrast apparatus, so that the target ultrasound contrast apparatus may automatically execute the ultrasound contrast imaging one-key optimization method provided by the present application only by triggering the one-key optimization button, and of course, other ways may also be used to trigger the ultrasound contrast imaging one-key optimization method of the present application, which is not specifically limited herein.
Step S102: the transmit timing of the targeted ultrasound contrast device is adjusted based on the imaging frame rate.
In practical applications, since the imaging frame rate is affected by the transmission timing sequence, and the transmission timing sequence affects the signal-to-noise ratio of the contrast agent, for example, if the number of times of ultrasound transmissions in a unit time is increased, the more signal acquisition is performed on the contrast agent, the better the signal-to-noise ratio of the contrast agent is, after the imaging frame rate is obtained, the transmission timing sequence of the target ultrasound contrast apparatus can be adjusted based on the imaging frame rate, so that the adjusted transmission timing sequence better meets the user requirements.
For convenience of understanding, assuming that the time of one frame of tissue imaging is FrameTimeTissue, a frame of contrast image needs to be transmitted K times in total, and the time for completing 1 time of transmission and reception at a specific imaging depth is LetTime, FrameTimeContrast is lettimetime K N, N represents the number of pulses of a group of contrast imaging pulse sequences, that is, N pulses are transmitted at one time, the total frame time FrameTime of tissue + contrast is FrameTimeTissue + FrameTimeContrast, and assuming that the reference minimum frame rate under contrast is FrameRef, when the number of transmission times is increased, FrameTime is less than or equal to 1/FrameRef, the response of the number of transmission times is correspondingly increased, so that the synthesis of the imaging frame rate and the ultrasound contrast image is affected after the transmission timing is adjusted.
It should be noted that since the transmission timing affects the signal-to-noise ratio of the contrast agent and the synthesis of the ultrasound contrast image, the transmission timing of the target ultrasound contrast apparatus may be adjusted based on the imaging frame rate according to the actually required signal-to-noise ratio of the contrast agent and the requirement of the user for the ultrasound contrast image.
Step S103: and adjusting the real-time transmitting frequency of the target ultrasonic contrast equipment based on the real-time imaging depth.
In practical application, when the imaging depths of the target ultrasound contrast equipment are different, different transmitting frequencies are required to be adopted for contrast imaging in order to meet performance requirements such as definition of an ultrasound contrast image, so that after the real-time imaging depth is acquired, the real-time transmitting frequency of the target ultrasound contrast equipment can be adjusted based on the real-time imaging depth in order to meet the performance requirements of the ultrasound contrast image.
It should be noted that, in the present application, the implementation sequence of the two steps of adjusting the transmission timing of the target ultrasound contrast apparatus based on the imaging frame rate and adjusting the real-time transmission frequency of the target ultrasound contrast apparatus based on the real-time imaging depth is not particularly limited.
Step S104: acquiring radio frequency signal data of a target ultrasonic contrast device in an ultrasonic contrast process.
Step S105: and adjusting real-time receiving demodulation parameters of the target ultrasonic contrast equipment based on the radio frequency signal data.
In practical application, in the application process of the target ultrasonic contrast equipment, not only the transmission of ultrasonic waves but also the reception, imaging and the like of the ultrasonic waves are involved, after the transmission process of the ultrasonic waves is adjusted, in order to enable the reception process of the ultrasonic waves to be matched with the transmission process, radio frequency signal data of the target ultrasonic contrast equipment in the ultrasonic contrast process can be obtained, and real-time receiving demodulation parameters of the target ultrasonic contrast equipment are adjusted based on the radio frequency signal data. It should be noted that in this process, the real-time reception demodulation parameters of the target ultrasound contrast apparatus may be adjusted based on the radio frequency signal data according to the performance requirements of the user on the ultrasound contrast image.
Step S106: and re-performing ultrasonic contrast imaging based on the adjusted target ultrasonic contrast equipment to obtain a target ultrasonic contrast image.
In practical application, after the transmission timing sequence, the real-time transmission frequency and the real-time receiving demodulation parameters of the target ultrasonic contrast equipment are adjusted, ultrasonic contrast imaging can be performed again on the basis of the adjusted target ultrasonic contrast equipment, and a target ultrasonic contrast image meeting requirements is obtained.
The method for adjusting the ultrasonic contrast imaging obtains the imaging frame rate and the real-time imaging depth of a target ultrasonic contrast device in the ultrasonic contrast process; adjusting the emission time sequence of the target ultrasonic radiography equipment based on the imaging frame rate; adjusting the real-time transmitting frequency of the target ultrasonic contrast equipment based on the real-time imaging depth; acquiring radio frequency signal data of target ultrasonic contrast equipment in an ultrasonic contrast process; adjusting real-time receiving demodulation parameters of the target ultrasonic radiography equipment based on the radio frequency signal data; and re-performing ultrasonic contrast imaging based on the adjusted target ultrasonic contrast equipment to obtain a target ultrasonic contrast image. In the application, the transmitting time sequence of the target ultrasonic contrast equipment can be adjusted according to the imaging frame rate, the real-time transmitting frequency of the target ultrasonic contrast equipment is adjusted according to the real-time imaging depth, the real-time receiving demodulation parameter of the target ultrasonic contrast equipment is adjusted according to the radio frequency signal data, the adjustment of multiple parameters of the target ultrasonic contrast equipment is realized, the imaging frame rate, the real-time imaging depth and the radio frequency signal data are all real-time generated data of the target ultrasonic contrast equipment in the ultrasonic contrast process, namely, the adjustment of the target ultrasonic contrast equipment in real time according to the data generated in the running process of the target ultrasonic contrast equipment is realized, in the prior art, a user needs to manually adjust the lower deflector rod TGC to carry out gain adjustment on the target ultrasonic contrast equipment, thus, after each ultrasonic object is replaced, the user needs to adjust the lower deflector rod TGC again, the operation is complicated, and it is difficult to guarantee that the regulation effect at every turn all accords with the supersound object, so compare with prior art, this application can make the target supersound radiography equipment after the adjustment accord with the actual motion condition more, and it is effectual to adjust, and in addition, this application only needs a key to trigger alright execution, can reduce user's operation complexity.
In the method for adjusting ultrasound contrast imaging provided in the embodiment of the present application, in a working process of a target ultrasound contrast device, a user may determine, based on a working experience, an imaging frame rate range suitable for a current scanning object, so a process of adjusting a transmission timing sequence of the target ultrasound contrast device based on an imaging frame rate may specifically be: judging whether the imaging frame rate is greater than the corresponding minimum frame rate threshold value; and if the imaging frame rate is greater than the minimum frame rate threshold, increasing the number of transmission pulses of the target ultrasonic contrast equipment. Specifically, because of the influence of the tissue characteristics of the scanning object itself and different conditions such as the transmission of ultrasound by different scanning objects, the ultrasound frequency thresholds required when scanning the scanning object using ultrasound may be different, that is, the minimum frame rate threshold may correspond to the scanning object, and the corresponding relationship may be determined according to actual needs.
In practical applications, since the number of transmission pulses includes the number of pulses transmitted by the target ultrasound imaging apparatus in a group of pulses, the number of pulses transmitted in a group of pulses is increased after the number of transmission pulses of the target ultrasound imaging apparatus is increased, and the transmission timing corresponds to the number of transmitted pulses, so that the time of the transmission timing is prolonged, and accordingly, the imaging frame rate is changed. It should be noted that, in this process, the user may set the number of transmission pulses allowed to operate for the target ultrasound contrast apparatus, and when the number of transmission pulses of the target ultrasound contrast apparatus is increased, the number of transmission pulses of the target ultrasound contrast apparatus may be adjusted in combination with the number of transmission pulses allowed to operate set for the target ultrasound contrast apparatus by the user. And when the number of transmission pulses of the target ultrasonic contrast equipment is increased, the number of transmission pulses of the target ultrasonic contrast equipment can be increased according to the principle of increasing 1 once.
In the ultrasound contrast imaging adjustment method provided in the embodiment of the present application, in the working process of the target ultrasound contrast imaging device, along with the accumulation of working experience, a user may determine in advance a suitable transmission frequency under each imaging depth, and then adjust the real-time transmission frequency of the target ultrasound contrast imaging device based on the real-time imaging depth, which may specifically be: acquiring a first corresponding relation of target ultrasonic contrast equipment, wherein the first corresponding relation is a corresponding relation between imaging depth and emission frequency; determining a target emission frequency corresponding to the real-time imaging depth based on the first corresponding relation; and taking the value of the target transmitting frequency as the value of the real-time transmitting frequency. In the process of acquiring the first corresponding relation of the target ultrasonic contrast equipment, the working mode of the target ultrasonic contrast equipment, and the imaging depth and the transmitting frequency corresponding to each working mode can be acquired; acquiring frequency points supported between transmitting frequencies corresponding to each working mode; according to the number of the frequency points, the imaging depth between the corresponding working modes is divided in equal proportion to obtain imaging depth sections, wherein the range of the imaging depth sections is in inverse proportion to the number of the frequency points; and taking the frequency point corresponding to the imaging depth segment in which the imaging depth falls as the emission frequency value of the imaging depth.
Taking the working mode of the target ultrasonic contrast equipment as a high penetration mode Pen, a general mode Gen and a high resolution mode Res as examples, assuming that the default imaging depths in the three modes are Depth _ Pen, Depth _ Gen and Depth _ Res respectively, and the transmitting frequencies are TxFreq _ Pen, TxFreq _ Gen and TxFreq _ Res, when the value of the real-time imaging Depth is less than or equal to the value of the Depth _ Pen, TxFreq _ Pen can be taken as the value of the target transmitting frequency; when the value of the real-time imaging Depth is greater than the Depth _ Pen and less than the Depth _ Gen, a certain value between the TxFreq _ Pen and the TxFreq _ Gen can be used as the value of the target emission frequency; when the value of the real-time imaging Depth is greater than or equal to Depth _ Gen and less than Depth _ Res, a certain value between TxFreq _ Gen and TxFreq _ Res can be taken as the value of the target transmitting frequency; and when the value of the real-time imaging Depth is greater than or equal to Depth _ Res, TxFreq _ Res can be used as the value of the target transmitting frequency, and the like.
In practical applications, the target ultrasound contrast apparatus may support multiple transmission frequencies, that is, the target ultrasound contrast apparatus may provide multiple frequency points for a user to select, at this time, the transmission frequency supported by the target ultrasound contrast apparatus may correspond to an actually required imaging depth segment, that is, the first corresponding relationship may include a corresponding relationship between the imaging depth segment and the transmission frequency value.
It should be noted that, at this time, when determining the target emission frequency corresponding to the real-time imaging Depth based on the first corresponding relationship, the corresponding target emission frequency may be determined according to the imaging Depth segment to which the real-time imaging Depth belongs, and still taking the target ultrasound contrast equipment to support the above three operating modes as an example, assuming that the number of frequency points selectable by the target ultrasound contrast equipment between TxFreq _ Pen and TxFreq _ Gen is N, and the frequency point selectable between TxFreq _ Gen and TxFreq _ Res is M, when the value of the real-time imaging Depth is greater than Depth _ Pen and less than Depth _ Gen, the frequency point segment to which the target emission frequency belongs may be determined by a formula Depth _ cmp (i) ═ Depth _ Pen + (i-1) (Depth _ Gen-Depth _ Pen)/N, (i ═ 1 … N), and the frequency point corresponding to the target segment is used as the value of the target emission frequency; when the value of the real-time imaging Depth is greater than or equal to Depth _ Gen and less than Depth _ Res, the frequency point segment to which the target emission frequency belongs can be determined by a formula Depth (j) ═ Depth _ Gen + (j-1) ((Depth _ Res-Depth _ Gen)/M, (j) ═ 1 … M), and the frequency point corresponding to the frequency point segment is used as the value of the target emission frequency.
In the ultrasound contrast imaging adjustment method provided in the embodiment of the present application, the process of adjusting the real-time receiving demodulation parameter of the target ultrasound contrast device based on the radio frequency signal data may specifically be: performing echo FFT (Fast Fourier Transform) analysis on the radio frequency signal data to obtain an echo FFT analysis result; determining a target receiving demodulation parameter based on the echo FFT analysis result; and taking the value of the target receiving demodulation parameter as the value of the real-time receiving demodulation parameter.
In practical application, in the process of performing echo FFT analysis on radio frequency signal data to obtain an echo FFT analysis result, FFT analysis at different depths may be performed on radio frequency signal data received by each receiving line of a target ultrasound contrast apparatus, and then the FFT analysis results at the same depth of each receiving line are averaged to obtain an echo FFT analysis result, for example, an echo FFT analysis result is obtained after summing/differencing a transmission echo. In a specific application scene, when the target receiving demodulation parameters are determined based on the echo FFT analysis result, the target receiving demodulation parameters can be determined based on the echo FFT analysis result in a graphic mode; in addition, after the value of the target receiving demodulation parameter is used as the value of the real-time receiving demodulation parameter, the filter coefficient of each filter of the target ultrasonic contrast equipment is generated, so that each filter of the target ultrasonic contrast equipment can be set directly according to the generated filter coefficient, and the target ultrasonic contrast equipment can obtain the optimal contrast agent echo signal by means of the filter coefficient.
In practical applications, in the process of determining the target receiving demodulation parameter based on the echo FFT analysis result, a target demodulation frequency value may be determined from frequency values corresponding to peak values in the FFT analysis result, specifically, the echo FFT analysis result may be displayed in a spectrogram form, the peak value and a frequency value corresponding to the peak value are determined in the spectrogram, then, a target demodulation frequency value is determined from the frequency values corresponding to the peak values, for example, a certain number of frequency values corresponding to the peak values are used as the target demodulation frequency values, and the manner of determining the target demodulation frequency value may be determined according to actual needs; and determining a target receiving demodulation parameter according to the target demodulation frequency value. Specifically, the corresponding demodulation frequency point can be obtained based on the nonlinear fundamental wave, the 1.5 th order super harmonic wave and the second harmonic wave of the FFT analysis curve, and the corresponding filter coefficient is generated. Because the ultrasonic contrast imaging needs to extract the signals of the main frequencies reflected by the contrast agent to the maximum, the strongest signal distribution fed back by the contrast agent can be obtained, the optimal frequency is obtained for the signal distribution, then the filter coefficients of each section are respectively generated according to the results of different depth analysis by the parameters, and the optimal contrast agent echo signal can be obtained after signal demodulation and frequency compounding.
Referring to fig. 2, fig. 2 is a second flowchart of an ultrasound contrast imaging adjustment method according to an embodiment of the present application.
The ultrasound contrast imaging adjusting method provided by the embodiment of the application can comprise the following steps:
step S201: and acquiring the imaging frame rate and the real-time imaging depth of the target ultrasonic imaging equipment in the ultrasonic imaging process.
Step S202: the transmit timing of the targeted ultrasound contrast device is adjusted based on the imaging frame rate.
Step S203: and adjusting the real-time transmitting frequency of the target ultrasonic contrast equipment based on the real-time imaging depth.
Step S204: acquiring radio frequency signal data of a target ultrasonic contrast device in an ultrasonic contrast process.
Step S205: and adjusting real-time receiving demodulation parameters of the target ultrasonic contrast equipment based on the radio frequency signal data.
Step S206: and acquiring amplitude data of the target ultrasonic contrast equipment in the ultrasonic contrast process based on the adjusted real-time receiving and demodulating parameters.
Step S207: an image gain of the target ultrasound contrast device is adjusted based on the amplitude data.
In practical application, in order to further ensure the adjustment effect on the target ultrasonic contrast equipment, after the real-time receiving demodulation parameters of the target ultrasonic contrast equipment are adjusted based on the radio-frequency signal data, the amplitude data of the target ultrasonic contrast equipment in the ultrasonic contrast process can be acquired based on the adjusted real-time receiving demodulation parameters; and adjusting the image gain of the target ultrasonic contrast equipment based on the amplitude data, so that the image gain of the target ultrasonic contrast equipment can meet the requirements of users.
It should be noted that, when obtaining the amplitude data of the target ultrasound imaging apparatus during the ultrasound imaging process based on the adjusted real-time receiving demodulation parameter, the filter may be adjusted based on the adjusted real-time receiving demodulation parameter, then the ultrasound data may be transmitted again, and the amplitude adjustment may be performed according to the obtained echo data, or the echo data at the present stage may be directly analyzed by the upper computer according to the adjusted real-time receiving demodulation parameter to obtain new amplitude data, and the gain adjustment may be performed according to the new amplitude data.
Step S208: and re-performing ultrasonic contrast imaging based on the adjusted target ultrasonic contrast equipment to obtain a target ultrasonic contrast image.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an ultrasound contrast imaging adjustment system according to an embodiment of the present application.
The ultrasound contrast imaging adjustment system provided by the embodiment of the present application may include:
the first acquisition module 101 is configured to acquire an imaging frame rate and a real-time imaging depth of a target ultrasound contrast apparatus during an ultrasound contrast process;
a first adjusting module 102, configured to adjust a transmission timing sequence of a target ultrasound contrast apparatus based on an imaging frame rate;
the second adjusting module 103 is configured to adjust a real-time transmitting frequency of the target ultrasound contrast apparatus based on the real-time imaging depth;
a second obtaining module 104, configured to obtain radio frequency signal data of the target ultrasound contrast apparatus during an ultrasound contrast process;
a third adjusting module 105, configured to adjust a real-time receiving demodulation parameter of the target ultrasound contrast apparatus based on the radio frequency signal data;
and the first contrast module 106 is configured to perform ultrasound contrast imaging again based on the adjusted target ultrasound contrast apparatus, so as to obtain a target ultrasound contrast image.
In the ultrasound contrast imaging adjustment system provided by the embodiment of the present application, the first adjustment module may include:
the first judging unit is used for judging whether the imaging frame rate is greater than the corresponding minimum frame rate threshold value; if the imaging frame rate is greater than the minimum frame rate threshold, increasing the number of transmission pulses of the target ultrasonic radiography equipment to prolong the time of the transmission time sequence and change the time sequence into the imaging frame rate;
wherein the number of transmitted pulses comprises the number of pulses transmitted by the target ultrasound imaging apparatus in a set of pulses.
In the ultrasound contrast imaging adjustment system provided in the embodiment of the present application, the first determining unit may include:
and a second judging unit for judging whether the imaging frame rate is greater than a minimum frame rate threshold corresponding to the scanning object.
In the ultrasound contrast imaging adjustment system provided by the embodiment of the present application, the second adjustment module may include:
the first acquisition unit is used for acquiring a first corresponding relation of the target ultrasonic contrast equipment, wherein the first corresponding relation is a corresponding relation between imaging depth and emission frequency;
the first determining unit is used for determining target transmitting frequency corresponding to the real-time imaging depth based on the first corresponding relation;
and the first adjusting unit is used for taking the value of the target transmitting frequency as the value of the real-time transmitting frequency.
In the ultrasound contrast imaging adjustment system provided in the embodiment of the present application, the first corresponding relationship may include a corresponding relationship between an imaging depth segment and an emission frequency value;
the first acquisition unit may include:
the second acquisition unit is used for acquiring the working modes of the target ultrasonic equipment and the imaging depth and the transmitting frequency corresponding to each working mode; acquiring frequency points supported between transmitting frequencies corresponding to each working mode;
the first generation unit is used for dividing the imaging depth between corresponding working modes in equal proportion according to the number of the frequency points to obtain an imaging depth section, wherein the range of the imaging depth section is inversely proportional to the number of the frequency points; and taking the frequency point corresponding to the imaging depth segment in which the imaging depth falls as the emission frequency value of the imaging depth.
In the ultrasound contrast imaging adjustment system provided in the embodiment of the present application, the second obtaining module may include:
the first control unit is used for controlling the target ultrasonic equipment to carry out ultrasonic radiography again according to the adjusted transmitting time sequence and the adjusted real-time transmitting frequency;
the third acquisition unit is used for acquiring radio frequency signal data of the target ultrasonic contrast equipment in the ultrasonic contrast process;
the third adjusting module may include:
the first analysis unit is used for carrying out echo FFT analysis on the radio frequency signal data to obtain an echo FFT analysis result;
a second determination unit configured to determine a target reception demodulation parameter based on the echo FFT analysis result;
and the second adjusting unit is used for taking the value of the target receiving demodulation parameter as the value of the real-time receiving demodulation parameter.
The ultrasound contrast imaging adjustment system provided in the embodiment of the present application may further include:
the third acquisition module is used for acquiring amplitude data of the target ultrasonic contrast equipment in the ultrasonic contrast process based on the adjusted real-time receiving demodulation parameters after the third adjustment module adjusts the real-time receiving demodulation parameters of the target ultrasonic contrast equipment based on the radio-frequency signal data and before the first contrast module re-performs ultrasonic contrast imaging based on the adjusted target ultrasonic contrast equipment;
and the fourth adjusting module is used for adjusting the image gain of the target ultrasonic contrast equipment based on the amplitude data.
In the ultrasound contrast imaging adjustment system provided by the embodiment of the present application, the second determining unit may include:
a third determining unit for determining an echo FFT analysis curve based on the echo FFT analysis result;
the fourth determining unit is used for determining a target demodulation frequency value according to a frequency value corresponding to the peak value of the echo FFT analysis curve;
a fourth determining unit configured to determine a target reception demodulation parameter based on the target demodulation frequency value.
The application also provides an ultrasonic contrast imaging one-key optimization device and a computer readable storage medium, which have corresponding effects of the ultrasonic contrast imaging adjustment method provided by the embodiment of the application. Referring to fig. 4, fig. 4 is a schematic structural diagram of an ultrasound contrast imaging one-key optimization apparatus according to an embodiment of the present application.
An ultrasound contrast imaging adjustment apparatus provided in an embodiment of the present application includes a memory 201 and a processor 202, where the memory 201 stores a computer program, and the processor 202 implements the method steps mentioned in any of the above embodiments when executing the computer program.
Referring to fig. 5, another ultrasound contrast imaging one-key optimization apparatus provided in the embodiment of the present application may further include: an input port 203 connected to the processor 202, for transmitting externally input commands to the processor 202; a display unit 204 connected to the processor 202, for displaying the processing result of the processor 202 to the outside; and the communication module 205 is connected with the processor 202 and is used for realizing the communication between the ultrasound contrast imaging one-key optimization device and the outside. The display unit 204 may be a display panel, a laser scanning display, or the like; the communication method adopted by the communication module 205 includes, but is not limited to, mobile high definition link technology (HML), Universal Serial Bus (USB), High Definition Multimedia Interface (HDMI), and wireless connection: wireless fidelity technology (WiFi), bluetooth communication technology, bluetooth low energy communication technology, ieee802.11s based communication technology.
The computer-readable storage medium provided in the embodiments of the present application stores therein a computer program, and when executed by a processor, the computer program implements the ultrasound contrast imaging one-key optimization method as described in any of the embodiments above.
The computer-readable storage media to which this application relates include Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage media known in the art.
For a description of relevant parts in the ultrasound contrast imaging one-key optimization system, the device, and the computer-readable storage medium provided in the embodiments of the present application, reference is made to detailed descriptions of corresponding parts in the ultrasound contrast imaging one-key optimization method provided in the embodiments of the present application, and details are not repeated here. In addition, parts of the above technical solutions provided in the embodiments of the present application, which are consistent with the implementation principles of corresponding technical solutions in the prior art, are not described in detail so as to avoid redundant description.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A one-key optimization method for ultrasonic contrast imaging is characterized by comprising the following steps:
acquiring an imaging frame rate and a real-time imaging depth of a target ultrasonic radiography device in an ultrasonic radiography process;
adjusting a transmit timing of the target ultrasound contrast device based on the imaging frame rate;
adjusting a real-time transmit frequency of the target ultrasound contrast device based on the real-time imaging depth;
acquiring radio frequency signal data of the target ultrasonic contrast equipment in an ultrasonic contrast process;
adjusting real-time reception demodulation parameters of the target ultrasound contrast equipment based on the radio frequency signal data;
and re-performing ultrasonic contrast imaging based on the adjusted target ultrasonic contrast equipment to obtain a target ultrasonic contrast image.
2. The method of claim 1, wherein said adjusting a transmit timing of said target ultrasound contrast device based on said imaging frame rate comprises:
judging whether the imaging frame rate is greater than a corresponding minimum frame rate threshold value;
if the imaging frame rate is greater than the frame rate threshold, increasing the number of transmission pulses of the target ultrasonic radiography equipment so as to prolong the time of the transmission time sequence and change the imaging frame rate;
wherein the transmit pulse number comprises a number of pulses transmitted by the targeted ultrasound contrast device in a set of pulses.
3. The method of claim 2, wherein determining whether the imaging frame rate is greater than a corresponding minimum frame rate threshold comprises:
and judging whether the imaging frame rate is greater than the minimum frame rate threshold corresponding to a scanning object.
4. The method of claim 1, wherein said adjusting a real-time transmit frequency of said target ultrasound contrast device based on said real-time imaging depth comprises:
acquiring a first corresponding relation of the target ultrasonic contrast equipment, wherein the first corresponding relation is a corresponding relation between imaging depth and emission frequency;
determining a target emission frequency corresponding to the real-time imaging depth based on the first corresponding relation;
and taking the value of the target transmitting frequency as the value of the real-time transmitting frequency.
5. The method of claim 4, wherein the first correspondence comprises a correspondence between imaging depth bins and transmit frequency values;
the acquiring a first corresponding relation of the target ultrasound contrast equipment comprises:
acquiring working modes of the target ultrasonic equipment, and imaging depths and transmitting frequencies corresponding to the working modes;
acquiring frequency points supported between the transmitting frequencies corresponding to the working modes;
according to the number of the frequency points, the imaging depth between the corresponding working modes is divided in an equal proportion to obtain the imaging depth section, wherein the range of the imaging depth section is in inverse proportion to the number of the frequency points;
and taking the frequency point corresponding to the imaging depth section in which the imaging depth falls as the emission frequency value of the imaging depth.
6. The method of claim 1, wherein said acquiring radio frequency signal data of said target ultrasound imaging device during an ultrasound imaging procedure comprises:
controlling the target ultrasonic equipment to carry out ultrasonic radiography again according to the adjusted transmitting time sequence and the adjusted real-time transmitting frequency;
acquiring the radio frequency signal data of the target ultrasonic contrast equipment in an ultrasonic contrast process;
the adjusting the real-time receiving demodulation parameters of the target ultrasound contrast equipment based on the radio frequency signal data comprises:
performing echo FFT analysis on the radio frequency signal data to obtain an echo FFT analysis result;
determining a target receiving demodulation parameter based on the echo FFT analysis result;
and taking the value of the target receiving demodulation parameter as the value of the real-time receiving demodulation parameter.
7. The method of claim 6, wherein after the adjusting the real-time reception demodulation parameters of the target ultrasound imaging apparatus based on the radio frequency signal data and before the resuming ultrasound imaging based on the adjusted target ultrasound imaging apparatus, further comprising:
acquiring amplitude data of the target ultrasonic contrast equipment in the ultrasonic contrast process based on the adjusted real-time receiving demodulation parameters;
adjusting an image gain of the target ultrasound contrast device based on the amplitude data.
8. The method of claim 6, wherein determining target receive demodulation parameters based on the echo FFT analysis result comprises:
determining an echo FFT analysis curve based on the echo FFT analysis result;
determining a target demodulation frequency value according to a frequency value corresponding to the peak value of the echo FFT analysis curve;
determining the target receive demodulation parameter based on the target demodulation frequency value.
9. A one-key optimization system for ultrasound contrast imaging, comprising:
the first acquisition module is used for acquiring the imaging frame rate and the real-time imaging depth of the target ultrasonic radiography equipment in the ultrasonic radiography process;
a first adjusting module, configured to adjust a transmission timing of the target ultrasound contrast apparatus based on the imaging frame rate;
a second adjusting module, configured to adjust a real-time transmit frequency of the target ultrasound contrast device based on the real-time imaging depth;
the second acquisition module is used for acquiring radio frequency signal data of the target ultrasonic contrast equipment in an ultrasonic contrast process;
a third adjusting module, configured to adjust a real-time receiving demodulation parameter of the target ultrasound contrast apparatus based on the radio frequency signal data;
and the first contrast module is used for carrying out ultrasonic contrast imaging again on the basis of the adjusted target ultrasonic contrast equipment to obtain a target ultrasonic contrast image.
10. An ultrasound contrast imaging one-key optimization device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the ultrasound contrast imaging one-key optimization method according to any one of claims 1 to 8 when executing the computer program.
11. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the ultrasound contrast imaging one-key optimization method according to any one of claims 1 to 8.
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