Data calibration method based on full-focus imaging and related equipment
By using full-matrix acquisition, reconstruction, and simulation of full-focus imaging technology, a correction data matrix is constructed to correct signal amplitude data, solving the problems of low accuracy and complex operation of TCG amplitude calibration, and achieving higher-precision defect analysis and rating.
Patent Information
- Application Number
- CN202511159764.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-19
- Publication Date
- 2025-11-28
AI Technical Summary
Existing TCG amplitude calibration methods have low calibration accuracy and complex operation procedures, which affect the quantitative analysis and rating of defects.
Data calibration is performed using full-matrix imaging technology, including full-matrix acquisition, reconstruction, simulation, and data correction. A corrected data matrix is constructed using preset full-focus settings and an acoustic simulation model to correct signal amplitude data and display the image.
It improved the accuracy of data calibration, simplified the calibration operation process, and enhanced the accuracy of defect quantitative analysis and rating judgment.
Smart Images
Figure CN121027336A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of ultrasonic detection, and in particular to a data calibration method based on full-focus imaging and related equipment. BACKGROUND
[0002] Full-focus imaging ultrasonic phased array detection technology based on full matrix acquisition is gradually applied to the field of nondestructive testing. Through full matrix data acquisition on a workpiece to be detected, the acquired imaging data set is calibrated, a full-focus ultrasonic detection image is established according to the calibrated imaging data set, and quantitative analysis and rating judgment are performed on defects in the workpiece to be detected according to the established full-focus ultrasonic detection image. However, the existing TCG amplitude calibration method has low calibration accuracy and a complex operation process, which affects the quantitative analysis and rating judgment of defects. SUMMARY
[0003] The main purpose of the embodiments of the present application is to provide a data calibration method based on full-focus imaging and related equipment, which can improve the data calibration accuracy and simplify the calibration operation process.
[0004] To achieve the above-mentioned purpose, one aspect of the embodiments of the present application provides a data calibration method based on full-focus imaging, which comprises: Full matrix acquisition is performed on an ultrasonic array probe according to a preset full-focus setting, full matrix acquisition data is determined, and full-focus imaging region signal amplitude data is determined by reconstructing the full matrix acquisition data according to the preset full-focus setting; Simulation is performed according to the preset full-focus setting and a preset reference reflector, and a correction data matrix is determined. The correction data matrix includes amplitude signals of the preset reference reflector in the full-focus imaging region. The full-focus imaging region signal amplitude data is corrected according to the acquired reference reflector signal and the correction data matrix, a full-focus imaging data matrix is determined, and imaging display is performed according to the full-focus imaging data matrix.
[0005] In some embodiments, the full matrix acquisition on the ultrasonic array probe according to the preset full-focus setting to determine the full matrix acquisition data specifically comprises: The preset full-focus setting is analyzed to determine a transmitting array element, a receiving array element, and an imaging region position, and a first ultrasonic propagation time is determined according to the transmitting array element, the receiving array element, and the imaging region position. The first ultrasonic propagation time includes an ultrasonic propagation time corresponding to each receiving array element of the full-focus. The full matrix acquisition data is determined according to the first ultrasonic propagation time.
[0006] In some embodiments, the reconstructing the full matrix acquisition data according to the preset full focusing setting to determine full focusing imaging region signal amplitude data specifically comprises: analyzing the preset full focusing setting to determine full focusing imaging region parameters and array probe parameters; calculating according to the full focusing imaging region parameters and the array probe parameters to determine acquisition signals of all array elements for the imaging region; performing signal synthesis according to the acquisition signals of all array elements for the imaging region and the full matrix acquisition data to determine synthesized matrix signals; and performing weighting calculation according to the synthesized matrix signals and preset weighting factors to determine the full focusing imaging region signal amplitude data.
[0007] In some embodiments, the simulating according to the preset full focusing setting and a preset reference reflector to determine a correction data matrix specifically comprises: determining an acoustic simulation model according to the preset reference reflector; and performing simulation calculation according to the reference reflector and the acoustic simulation model to determine a simulation signal amplitude increase data matrix. determining a correction coefficient according to the simulation signal amplitude increase data matrix. determining a correction data matrix according to the correction coefficient and a full focusing imaging region data matrix.
[0008] In some embodiments, the performing simulation calculation according to the full focusing setting to determine a simulation signal amplitude increase data matrix specifically comprises: dividing the full focusing imaging region parameters in the preset full focusing setting into a grid to determine a plurality of imaging points; performing calculation according to a plurality of the imaging points and the acoustic simulation model to determine a simulation signal amplitude increase data matrix of the reference reflector; wherein the simulation signal amplitude increase data matrix comprises signal amplitude data of the reference reflector at a plurality of the imaging points.
[0009] In some embodiments, the method further comprises: comparing the full focusing imaging data matrix with preset standard image data to determine a data matrix difference value; and determining an amplitude correction coefficient data matrix according to the determined data matrix difference value.
[0010] To achieve the above object, another aspect of the embodiments of the present application proposes a data calibration system based on full focusing imaging, which comprises: The acquisition module is configured to perform full-matrix acquisition on the ultrasonic array probe according to a preset full-focusing setting, determine full-matrix acquisition data, and perform reconstruction on the full-matrix acquisition data according to the preset full-focusing setting, and determine full-focusing imaging region signal amplitude data; The processing module is configured to perform simulation and modeling according to the preset full-focusing setting and a preset reference reflector, and determine a correction data matrix; wherein the correction data matrix includes amplitude signals of the preset reference reflector in a full-focusing imaging region. The correction module is configured to perform data correction on the full-focusing imaging region signal amplitude data according to the acquired reference reflector signal and the correction data matrix, determine a full-focusing imaging data matrix, and perform imaging display according to the full-focusing imaging data matrix.
[0011] To achieve the above object, another aspect of the embodiments of the present application provides an electronic device, which comprises a memory and a processor, the memory stores a computer program, and the processor implements the above method when executing the computer program.
[0012] To achieve the above object, another aspect of the embodiments of the present application provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to implement the above method.
[0013] To achieve the above object, another aspect of the embodiments of the present application provides a computer program product, which comprises a computer program, and the computer program is executed by a processor to implement the above method.
[0014] The embodiments of the present application at least have the following beneficial effects: the present application provides a data calibration method, system, electronic device, storage medium and program product based on full-focusing imaging, which performs full-matrix acquisition on an ultrasonic array probe according to preset full-focusing setting parameters, determines full-matrix acquisition data, and performs data reconstruction on the acquired full-matrix acquisition data according to the preset full-focusing setting parameters, and determines full-focusing imaging signal amplitude data; performs simulation and calculation on reference reflectors at each imaging point in the full-focusing imaging region according to the preset full-focusing setting parameters and a preset acoustic simulation model of the preset reference reflector, and constructs a correction data matrix; performs data correction on the reconstructed full-focusing imaging signal amplitude data according to the established correction data matrix, determines a corrected full-focusing imaging data matrix, and performs imaging display according to the corrected full-focusing imaging data matrix; the full-matrix acquisition and data reconstruction full-focusing imaging signal amplitude data are performed, and signal simulation and calculation are performed according to the same full-focusing setting parameters and the preset acoustic simulation model and the reference reflector, a corresponding correction data matrix is established for unified calibration, thereby improving the calibration accuracy of the imaging data and simplifying the calibration process. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a flowchart of a data calibration method based on full-focus imaging provided by an embodiment of the present application; Figure 2 is Figure 1 is a flowchart of step S101 in Figure 3 is Figure 1 is another flowchart of step S101 in Figure 4 is Figure 1 is a flowchart of step S103 in Figure 5 is Figure 4 is a flowchart of step S401 in Figure 6 is a flowchart of a specific embodiment provided by an embodiment of the present application; Figure 7 is a schematic diagram of a full-focus imaging diagram before correction in a specific embodiment provided by an embodiment of the present application; Figure 8 is a schematic diagram of a full-focus imaging diagram after correction in a specific embodiment provided by an embodiment of the present application; Figure 9 is a structural schematic diagram of a data calibration method based on full-focus imaging provided by an embodiment of the present application; Figure 10 is a hardware structural schematic diagram of an electronic device provided by an embodiment of the present application. DETAILED DESCRIPTION
[0016] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application. When the following description refers to the accompanying drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementation described in the following exemplary embodiments does not represent all the implementations consistent with the embodiments of the present application. They are only examples of devices and methods consistent with some aspects of the embodiments of the present application as detailed in the appended claims.
[0017] It can be understood that the terms "first", "second", and the like used in the present application can be used herein to describe various concepts, but unless specifically stated, these concepts are not limited by these terms. These terms are only used to distinguish one concept from another concept. For example, without departing from the scope of the embodiments of the present application, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information. Depending on the context, the word "if" as used herein can be interpreted as "when" or "upon determining" or "in response to determining".
[0018] The terms "at least one", "multiple", "each", "any", and the like used in the present application include one, two or more than two, multiple includes two or more than two, each refers to each of the corresponding multiple, and any refers to any one of the multiple.
[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as understood by a person skilled in the art to which the present application belongs. The terms used herein are only for the purpose of describing the embodiments of the present application and are not intended to limit the present application.
[0020] Before the embodiments of the present application are described in detail, first, some nouns and terms involved in the embodiments of the present application are described, and the nouns and terms involved in the embodiments of the present application are applicable to the following explanations.
[0021] FMC, Full Matrix Capture, is an ultrasonic phased array raw data acquisition protocol, which acquires a complete sound wave propagation data set by facilitating all possible transmit-receive chip combinations in the probe array; TFM, Total Focusing Method, is a post-processing imaging algorithm based on full matrix data, which realizes global focusing imaging by synthesizing the coherent sound field of all transmit-receive paths pixel by pixel in the target region.
[0022] Figure 1 is an optional flowchart of a data calibration method based on full focusing imaging provided by the embodiments of the present application, Figure 1 The method in the above can include but is not limited to including steps S101 to S103.
[0023] Step S101, according to the preset full focusing setting, the full matrix acquisition of the ultrasonic array probe is carried out, the full matrix acquisition data is determined, and according to the preset full focusing setting, the full matrix acquisition data is reconstructed, and the full focusing imaging region signal amplitude data is determined; Step S102, simulation is performed according to the preset full-focus setting and the preset reference reflector to determine a correction data matrix; wherein the correction data matrix includes an amplitude signal of the preset reference reflector in the full-focus imaging area; Step S103, data correction is performed on the full-focus imaging area signal amplitude data according to the collected reference reflector signal and the correction data matrix to determine a full-focus imaging data matrix, and imaging display is performed according to the full-focus imaging data matrix.
[0024] The steps S101 to S103 shown in the embodiments of the present application are as follows: full-focus imaging scan parameters for full-matrix acquisition are set in an ultrasonic phased array instrument, including workpiece parameters, probe parameters, wedge parameters, TFM parameters, and reference reflector parameters; full-matrix data acquisition is performed on the ultrasonic array probe according to the set full-focus parameters to obtain full-matrix acquisition data; the ultrasonic propagation time of each transmitting array element and receiving array element in the ultrasonic array probe to each pixel point in the TFM imaging area is calculated, and the full-matrix acquisition data is reconstructed according to the calculated ultrasonic propagation time to obtain full-focus imaging signal amplitude data of different pixel points in the imaging area; the simulation signal amplitude of the reference reflector at each imaging point position in the TFM imaging area is calculated using an acoustic simulation model according to the full-focus setting parameters set in the ultrasonic phased array instrument; the reflector signal of the reference reflector at each imaging point position in the TFM imaging area is calculated based on the same full-focus setting parameters, and the signal amplitudes of the reflector signals are recorded as a correction data matrix; the simulation signal amplitude is corrected based on the signal amplitude of the reflector signal at any position in the TFM imaging area, that is, the simulation signal amplitude is data-corrected according to the correction data matrix to obtain a TFM imaging data matrix with uniformly calibrated signal amplitudes; imaging display is performed according to the calibrated TFM imaging data matrix.
[0025] In some embodiments, the ultrasonic phased array instrument compares the ultrasonic detection image obtained by imaging the calibrated TFM imaging data matrix with the standard reference reflector image corresponding to the contrast test block to determine the equivalent or defect size of the defect in the calibrated TFM image.
[0026] Please refer to Figure 2 In some embodiments, step S101 can include but is not limited to steps S201 to S202: Step S201, the preset full-focus setting is analyzed to determine the transmitting array element, the receiving array element, and the imaging area position, and a first ultrasonic propagation time is determined according to the transmitting array element, the receiving array element, and the imaging area position; wherein the first ultrasonic propagation time includes the ultrasonic propagation time corresponding to each receiving array element of the full-focus; Step S202: Determine the full matrix acquisition data based on the first ultrasonic propagation time.
[0027] In step S201 of some embodiments, the ultrasonic detection parameters set in the ultrasonic phased array instrument are analyzed to determine that the transmitting elements in the ultrasonic array probe are excited to generate ultrasonic waves; based on the transmitted waveform, the ultrasonic array probe is subjected to full matrix data acquisition, recording the reflection amplitude of each transmitting element in the ultrasonic array probe to each pixel in the imaging area, and then reflected back to the ultrasonic array probe, while simultaneously recording the ultrasonic propagation time of the transmitted waveform; through full matrix data acquisition, the sensitivity difference of the ultrasonic array probe to different pixels in the imaging area during full-focus imaging detection can be determined, so as to accurately calibrate each pixel in the imaging area during subsequent data calibration and improve the data calibration accuracy.
[0028] In step S202 of some embodiments, the recorded reflection amplitude and the ultrasonic propagation time of the detection path corresponding to the reflection amplitude are calculated according to a preset calculation formula to obtain the corresponding full matrix acquisition data; in this embodiment, the calculation formula is: , in, For the first The number of launch elements to the first Full matrix A-scan data of each receiving array element, For the first The number of launch elements to the first The receiving array element pairs with the first The reflection amplitude of each pixel For ultrasound propagation time, This is the transmitted waveform.
[0029] Please see Figure 3 In some embodiments, step S101 may also include, but is not limited to, steps S301 to S302: Step S301: Analyze the preset full-focus settings to determine the full-focus imaging area parameters and array probe parameters; calculate based on the full-focus imaging area parameters and array probe parameters to determine the acquisition signals of all array elements for the imaging area; Step S302: Based on the acquisition signals of all array elements for the imaging area and the full matrix acquisition data, the signal is synthesized to determine the synthesized matrix signal; and based on the synthesized matrix signal and the preset weighting factor, a weighted calculation is performed to determine the signal amplitude data of the fully focused imaging area.
[0030] In step S301 of some embodiments, the ultrasonic detection setting parameters set in the ultrasonic phased array instrument are parsed to determine the full focus imaging area parameters and the related parameters of the ultrasonic array probe; each pixel point is determined according to the parsed full focus imaging area parameters, and each transmitting array element and each receiving array element are determined according to the related parameters of the ultrasonic array probe; the ultrasonic propagation time of each pixel point to each transmitting array element and each receiving array element is determined by calculation according to each transmitting array element, each receiving array element and the determined each pixel point, which is used for data reconstruction according to the ultrasonic propagation time to establish the ultrasonic signal of full focus imaging.
[0031] In step S302 of some embodiments, the recorded ultrasonic propagation time and the established full matrix scanning data are used for information synthesis to obtain the synthesized full matrix data; then, the synthesized full matrix data, the preset weighting factor and the preset calculation formula are used for calculation to obtain the full focus imaging signal amplitude data; in this embodiment, the full focus imaging signal amplitude data is calculated according to the following calculation formula: , wherein, is the ultrasonic signal amplitude intensity of the pixel point is the full matrix acquisition data received by the first transmitting array element and the first receiving array element, is the ultrasonic propagation time from the first transmitting array element to the pixel point and then to the first receiving array element, is the total number of array elements of the ultrasonic array probe, is the weighting factor of the pixel point .
[0032] Please refer to Figure 4 In some embodiments, step S103 can further include but is not limited to steps S401 to S403: Step S401, determining an acoustic simulation model according to a preset reference reflector; simulating and calculating the reference reflector and the acoustic simulation model according to the full focus setting to determine a simulation signal amplitude data matrix; Step S402, determining a correction coefficient according to the simulation signal amplitude data matrix; Step S403, determining a correction data matrix according to the correction coefficient and the full focus imaging area data matrix.
[0033] In step S401 of some embodiments, an acoustic simulation model and a reference reflector are set in the ultrasonic phased array instrument, wherein the reference reflector has different types such as flat-bottom hole, transverse hole, notched groove, etc., and the corresponding reference reflector type is set in the ultrasonic phased array instrument according to the actual detection needs; according to the detection parameters set in the ultrasonic phased array instrument, the simulation signal amplitude of each pixel point position of the reference reflector in the full-focus imaging area is determined by using the acoustic simulation model for simulation calculation; the simulation signal amplitude data matrix corresponding to the calculated simulation signal amplitude is constructed by processing the simulation signal amplitude; in this embodiment, the simulation signal amplitude data matrix in the following form is obtained by processing: , wherein, is the simulation signal amplitude data matrix, is the number of pixel points of the full-focus imaging area in the direction, is the number of pixel points of the full-focus imaging area in the direction.
[0034] In step S402 of some embodiments, after the reflection signal data of the reference reflector in the full-focus imaging area is calculated by the acoustic simulation model, the scanning parameters of the ultrasonic phased array instrument are kept unchanged, the ultrasonic array probe is moved to a suitable position of the test block, the reference reflector signal is displayed in the full-focus imaging area by the ultrasonic array probe, and the corresponding signal data is recorded in the full-focus imaging area, and the correction coefficient is obtained by calculating and processing the recorded signal data.
[0035] In step S403 of some embodiments, the simulation signal amplitude data matrix obtained by simulating calculation based on the acoustic simulation signal is corrected according to the calculated correction coefficient to obtain the corresponding correction data matrix; the detection data of the full-focus imaging of the full-matrix data acquisition can be calibrated according to the obtained correction data matrix; since the correction data matrix includes the correction data of each pixel point in the full-focus imaging area, the collected detection data can be accurately calibrated pixel by pixel, thereby improving the calibration accuracy of the data. In this embodiment, the signal correction is performed according to the following formula: , wherein, is the correction data matrix, is the correction coefficient, is the simulation signal amplitude data matrix.
[0036] Please refer to Figure 5 , in some embodiments, step S401 can further include but is not limited to steps S501 to S502: Step S501, grid division is performed on the full focus imaging area parameters in the preset full focus setting, and a plurality of imaging points are determined; Step S502, the reference reflector is calculated according to the plurality of imaging points and the acoustic simulation model, and a simulation signal amplitude data matrix of the reference reflector is determined; wherein the simulation signal amplitude data matrix includes signal amplitude data of the reference reflector at the plurality of imaging points.
[0037] In step S501 of some embodiments, the full focus imaging area is grid divided according to the accuracy requirement of ultrasonic detection, and the divided grid is taken as a pixel point; simulation calculation is performed according to the divided pixel point, the simulation signal reflection amplitude is recorded, and then a correction data matrix at the pixel point level is established to correct the imaging data of each point in the full focus imaging area, thereby improving the data calibration accuracy.
[0038] In step S502 of some embodiments, after the full focus imaging area is gridized and the pixel points are determined, the reference reflector in the full focus imaging area is simulated and calculated using an acoustic simulation model, and the simulation signal amplitude of the reference reflector at each pixel point in the full focus imaging area is recorded as a simulation signal amplitude data matrix.
[0039] Next, the scheme of the embodiments of the present application will be described and explained in detail in combination with specific application examples: Please refer to Figure 6, the full matrix data is obtained by the ultrasonic phased array instrument; then, according to the detection requirements of the ultrasonic detection, full focus imaging settings are set in the ultrasonic phased array instrument, for example, parameter settings of the ultrasonic array probe, such as the number of transmitting and receiving elements for the ultrasonic detection; and range settings of the full focus imaging area, resolution settings of the imaging area, and full focus imaging mode settings; according to the full focus imaging area settings, the ultrasonic propagation time of each pixel point in the set full focus imaging area to each transmitting element and each receiving element in the ultrasonic array probe is calculated, and the signals of each pixel point are synthesized on the basis of the full matrix acquisition matrix data, so that the ultrasonic signal amplitude data of the full focus imaging area is obtained; according to the workpiece parameters, the probe parameters, the wedge parameters, the full focus imaging related parameter settings, and the reference reflector type, the simulation signal amplitude data matrix of the reference reflector at each pixel point in the full focus imaging area is constructed by using an acoustic simulation model; the same workpiece parameters, probe parameters, and full focus imaging parameters as calculated by the acoustic simulation model are set on the ultrasonic phased array instrument, the ultrasonic array probe is moved to a suitable position of the test block, the reference reflector signal is displayed at the corresponding pixel point position, and the signal amplitude of the reference reflector signal is recorded; the recorded signal amplitude is taken as a reference, the constructed simulation signal amplitude data matrix is corrected, and a TCG correction data matrix is obtained; the ultrasonic signal amplitude data of the full focus imaging area is corrected according to the obtained TCG correction data matrix, and a full focus imaging data matrix for final imaging is obtained; imaging display is performed according to the full focus imaging data before and after correction, and the full focus imaging diagram as shown in Figure 7 and Figure 8 is obtained; wherein, Figure 7 is the full focus imaging diagram before correction, Figure 8 is the full focus imaging diagram after correction, and through comparison, the workpiece defects in the full focus imaging diagram after correction are more accurate and clearer.
[0040] The embodiments of the present application at least have the following beneficial effects: The present application provides a data calibration method, system, electronic device, storage medium and program product based on full-focus imaging. The scheme performs full-matrix acquisition on an ultrasonic array probe for ultrasonic detection according to preset full-focus setting parameters, determines full-matrix acquisition data, and performs data reconstruction on the acquired full-matrix data according to the preset full-focus setting parameters, to determine full-focus imaging signal amplitude data. Acoustic simulation is performed according to the preset full-focus setting parameters and a preset acoustic simulation model and a reference reflector, to construct a correction data matrix. The reconstructed full-focus imaging signal amplitude data is corrected according to the established correction data matrix, to determine a full-focus imaging data matrix, and imaging display is performed according to the corrected full-focus imaging data matrix. The full-matrix acquisition and data reconstruction of the full-focus imaging signal amplitude data are performed, and simulation and calculation are performed according to the same full-focus setting parameters and the preset acoustic simulation model and the reference reflector, to establish a corresponding correction data matrix for unified calibration, thereby improving the calibration accuracy of the imaging data and greatly simplifying the calibration process.
[0041] Please refer to Figure 9 The embodiments of the present application also provide a data calibration system based on full-focus imaging, which can implement the above method. The system comprises: An acquisition module is configured to perform full-matrix acquisition on an ultrasonic array probe according to preset full-focus settings, to determine full-matrix acquisition data, and to perform reconstruction on the full-matrix acquisition data according to the preset full-focus settings, to determine full-focus imaging region signal amplitude data. A processing module is configured to perform simulation according to the preset full-focus settings and a preset reference reflector, to determine a correction data matrix. The correction data matrix comprises amplitude signals of the preset reference reflector in a full-focus imaging region. A correction module is configured to correct the full-focus imaging region signal amplitude data according to the acquired reference reflector signal and the correction data matrix, to determine a full-focus imaging data matrix, and to perform imaging display according to the full-focus imaging data matrix.
[0042] It can be understood that the contents in the above method embodiments are applicable to the present system embodiments. The present system embodiments specifically implement the same functions as the above method embodiments, and achieve the same beneficial effects as the above method embodiments.
[0043] The embodiments of the present application also provide an electronic device. The electronic device comprises a memory and a processor. The memory stores a computer program. The processor implements the above method when executing the computer program. The electronic device can be any intelligent terminal, such as a tablet computer or a vehicle-mounted computer.
[0044] It can be understood that the contents in the above method embodiments are all applicable to the present device embodiments, the present device embodiments specifically implement the functions same as those of the above method embodiments, and achieve the same beneficial effects as those of the above method embodiments.
[0045] Please refer to Figure 10 , Figure 10 The hardware structure of the electronic device of another embodiment is illustrated, and the electronic device includes: The processor 1001 can be implemented in a general-purpose CPU (Central Processing Unit), a microprocessor, an ASIC (Application Specific Integrated Circuit), or one or more integrated circuits, etc., and is used to execute related programs to implement the technical solutions provided by the present application; The memory 1002 can be implemented in the form of a ROM (Read Only Memory), a static storage device, a dynamic storage device, or a RAM (Random Access Memory), etc. The memory 1002 can store an operating system and other application programs, and when the technical solutions provided by the present application are implemented by software or firmware, the related program codes are stored in the memory 1002 and are called and executed by the processor 1001 to implement the above-mentioned method of the present application; The input / output interface 1003 is used to realize information input and output; The communication interface 1004 is used to realize the communication interaction between the present device and other devices, and can realize communication through a wired manner (such as USB, network cable, etc.) or a wireless manner (such as mobile network, WIFI, Bluetooth, etc.); The bus 1005 transmits information between various components (such as the processor 1001, the memory 1002, the input / output interface 1003, and the communication interface 1004) of the device. The processor 1001, the memory 1002, the input / output interface 1003, and the communication interface 1004 are connected to each other through the bus 1005 for communication connection within the device.
[0046] The present application also provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to implement the above-mentioned method.
[0047] It can be understood that the contents in the above method embodiments are all applicable to the present storage medium embodiments, the present storage medium embodiments specifically implement the same functions as the above method embodiments, and achieve the same beneficial effects as the above method embodiments.
[0048] The present application also provides a computer program product, comprising a computer program, which, when executed by a processor, implements the above method.
[0049] It can be understood that the contents in the above method embodiments are all applicable to the present program product embodiments, the present program product embodiments specifically implement the same functions as the above method embodiments, and achieve the same beneficial effects as the above method embodiments.
[0050] The memory, as a non-transitory computer readable storage medium, can be used to store non-transitory software programs and non-transitory computer executable programs. In addition, the memory can include a high-speed random access memory, and can also include a non-transitory memory, such as at least one magnetic disk storage device, a flash memory device, or other non-transitory solid-state memory device. In some embodiments, the memory can optionally include a memory disposed remotely relative to the processor, and these remote memories can be connected to the processor through a network. Examples of the above network include but are not limited to the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
[0051] The embodiments described in the present application are used to more clearly illustrate the technical solutions of the present application, and do not constitute a limitation on the technical solutions provided by the present application. Those skilled in the art can know that, with the evolution of technology and the appearance of new application scenarios, the technical solutions provided by the present application are also applicable to similar technical problems.
[0052] Those skilled in the art can understand that the technical solutions shown in the figures do not constitute a limitation on the present application, and can include more or fewer steps than the figures, or combine certain steps, or different steps.
[0053] The device embodiments described above are only schematic, and the units described as separate components can or can not be physically separate, i.e., can be located in one place, or can be distributed on multiple network units. Part or all of the modules can be selected according to actual needs to achieve the purpose of the present embodiment.
[0054] Those skilled in the art can understand that all or some of the steps in the above disclosed method, the functions of the modules / units in the system and the device can be implemented as software, firmware, hardware and their appropriate combinations.
[0055] The terms "first", "second", "third", "fourth", and the like in the description and in the claims of this application, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the use of the terms so termed is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of orderly or chronological mundane operation, reverse order operation, based on circuitry availability, based on stated preference or the like, and that "default" or other orderings are thus permissible. Further, the terms "comprise", "comprising", "include", "including", and the like, are specifically intended to be open-ended. That is, references to individual steps and the like do not suhstantially exclude the presence of two or more of a given step or its integral presence in the process, method, system, article, or apparatus having been made with a wider scope. The use of notation such as "first", "second", "third", etc. does not generally limit the areas, but can be used for clarity, and merely establishes the order of the steps or placement of components. Moreover, singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.
[0056] It should be understood that, in the application, "at least one" means one or more, and "multiple" means two or more. "And / or", used to describe the relationship between associated objects, means that there can be three relationships, for example, "A and / or B" can mean that there are only A, only B, and A and B at the same time, where A and B can be singular or plural. The character " / " generally represents an "or" relationship between the associated objects. "At least one of the following" or the like means any combination of these items, including single or multiple combinations. For example, at least one of a, b or c can mean a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, and c can be singular or plural.
[0057] In several embodiments provided in the application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only illustrative, for example, the division of the above-mentioned units is only a logical functional division, and actual implementation can have another division manner, for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed objects can be indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.
[0058] The units described above as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, i.e. they can be located in one place or distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
[0059] In addition, each function unit in each embodiment of the present application can be integrated in one processing unit, or each unit can be physically present separately, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software function unit.
[0060] When the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application, essentially or in part, or all or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium, and includes multiple instructions used to cause a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods in the embodiments of the present application. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various other media that can store programs.
[0061] The preferred embodiments of the embodiments of the present application are described above with reference to the accompanying drawings, and are not intended to limit the scope of the embodiments of the present application. Any modifications, equivalent replacements and improvements made by those skilled in the art without departing from the scope and essence of the embodiments of the present application shall be within the scope of the embodiments of the present application.
Claims
1. A data calibration method based on total focusing imaging, characterized in that, The method includes: The ultrasound array probe is fully acquired according to the preset full-focus setting to determine the full-matrix acquisition data. The full-matrix acquisition data is then reconstructed according to the preset full-focus setting to determine the signal amplitude data of the full-focus imaging area. Simulation is performed based on the preset full-focus setting and the preset reference reflector to determine the correction data matrix; wherein, the correction data matrix includes the amplitude signal of the preset reference reflector in the full-focus imaging region; Based on the acquired reference reflector signal and the correction data matrix, the signal amplitude data of the full-focus imaging region is corrected to determine the full-focus imaging data matrix, and the imaging is displayed based on the full-focus imaging data matrix.
2. The method according to claim 1, characterized in that, The step of performing full-matrix acquisition of the ultrasound array probe according to the preset full-focusing settings and determining the full-matrix acquisition data specifically includes: The preset full-focus setting is analyzed to determine the positions of the transmitting array element, the receiving array element, and the imaging area. Based on the positions of the transmitting array element, the receiving array element, and the imaging area, a first ultrasound propagation time is determined. The first ultrasound propagation time includes the ultrasound propagation time corresponding to each receiving array element in the full-focus setting. The full matrix acquisition data is determined based on the first ultrasonic propagation time.
3. The method according to claim 1, characterized in that, The step of reconstructing the full-matrix acquisition data according to the preset full-focus setting to determine the signal amplitude data of the full-focus imaging region specifically includes: The preset full-focus settings are analyzed to determine the full-focus imaging region parameters and array probe parameters; based on the full-focus imaging region parameters and the array probe parameters, calculations are performed to determine the acquisition signals of all array elements for the imaging region; Based on the acquired signals of all array elements for the imaging area and the acquired data of the full matrix, a signal synthesis matrix signal is determined; and based on the synthesized matrix signal and a preset weighting factor, a weighted calculation is performed to determine the signal amplitude data of the fully focused imaging area.
4. The method according to claim 1, characterized in that, The step of performing simulation based on the preset full-focus setting and the preset reference reflector to determine the correction data matrix specifically includes: An acoustic simulation model is determined based on the preset reference reflector; simulation calculations are performed on the reference reflector and the acoustic simulation model based on the full focusing setting to determine the simulation signal amplification data matrix; The correction coefficient is determined based on the simulated signal amplification data matrix; The correction data matrix is determined based on the correction coefficients and the full-focus imaging region data matrix.
5. The method according to claim 4, characterized in that, The step of performing simulation calculations on the reference reflector and the acoustic simulation model based on the full focusing setting to determine the simulation signal amplification data matrix specifically includes: The parameters of the full-focus imaging region in the preset full-focus setting are divided into a grid to determine several imaging points; The reference reflector is calculated based on several imaging points and the acoustic simulation model to determine the simulated signal amplification data matrix of the reference reflector; wherein, the simulated signal amplification data matrix includes the signal amplitude data of the reference reflector at several imaging points.
6. The method according to claim 1, characterized in that, The method further includes: The total focusing imaging data matrix is compared with preset standard image data to determine the data matrix difference; and the amplitude correction coefficient data matrix is determined based on the determined data matrix difference.
7. A data calibration system based on total focusing imaging, characterized in that, The system includes: The acquisition module is used to acquire the full matrix of the ultrasound array probe according to the preset full-focus settings, determine the full-matrix acquisition data, and reconstruct the full-matrix acquisition data according to the preset full-focus settings to determine the signal amplitude data of the full-focus imaging area. The processing module is used to perform simulation based on the preset full-focus setting and the preset reference reflector to determine the correction data matrix; wherein, the correction data matrix includes the amplitude signal of the preset reference reflector in the full-focus imaging region; The correction module is used to correct the signal amplitude data of the full-focus imaging region based on the acquired reference reflector signal and the correction data matrix, determine the full-focus imaging data matrix, and perform imaging display based on the full-focus imaging data matrix.
8. An electronic device, characterized in that, include: At least one processor; At least one memory for storing at least one program; When the at least one program is executed by the at least one processor, the at least one processor implements the method as described in any one of claims 1 to 6.
9. A computer-readable storage medium storing a computer program, characterized in that, When the computer program is executed by a processor, it implements the method of any one of claims 1 to 6.
10. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by a processor, it implements the method of any one of claims 1 to 6.