Electrode position calibration method, device and equipment for electrocardiogram chest lead and medium
By introducing calibration electrodes and signal processing technology into the electrocardiogram, the position of the chest lead electrode is automatically identified and calibrated, and the problem of wrong placement of the chest lead electrode is solved, improving the simplicity of operation and measurement accuracy, and is suitable for complex scenarios.
Patent Information
- Application Number
- CN202510394915.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2025-07-04
AI Technical Summary
During the operation of the existing 12-lead electrocardiogram, the chest lead electrode terminals are easily placed incorrectly, which affects the accuracy of the measurement data, and has low operating complexity and efficiency.
By introducing a calibration electrode, the position of each electrode is automatically identified and calibrated by using signal processing and feature calculations, and its actual lead position and type are determined to achieve automatic calibration of the lead position.
It improves the accuracy of the placement of the lead electrode on the chest, simplifies the operation steps, reduces artificial errors, improves the accuracy and stability of electrocardiogram signal measurement, and adapts to more usage scenarios.
Smart Images
Figure CN120241085A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of medical diagnosis technologies, and in particular, to an electrode position calibration method, device, equipment, and medium for electrocardiogram chest leads. Background Art
[0002] With the wide application of electrocardiogram equipment in the medical field, the requirements for its operation convenience, accuracy, and usage efficiency are increasing day by day. Existing 12-lead electrocardiographs usually require operators to strictly manually distinguish and accurately place the electrode terminals of each chest lead. Since the chest lead positions are relatively close and there are no obvious physical differentiation marks between the installation terminals, it is extremely easy for the operator to place the terminals of some chest leads in the wrong positions, thus affecting the accuracy of the measurement data. Therefore, how to improve the accuracy of the electrode placement positions of the chest leads has become a technical problem that cannot be underestimated. Summary of the Invention
[0003] In view of this, the purpose of the present application is to provide an electrode position calibration method, device, equipment, and medium for electrocardiogram chest leads. By introducing calibration electrodes to identify the lead positions of each electrode of the electrocardiogram chest leads, automatic calibration of the lead positions is achieved, the accuracy of the electrode placement positions of the chest leads is improved, and thus the simplicity of the operation and the accuracy of the electrocardiogram signal measurement are enhanced.
[0004] An embodiment of the present application provides an electrode position calibration method for electrocardiogram chest leads. The electrode position calibration method includes:
[0005] Amplify and filter the real-time signals of each electrode of the electrocardiogram chest leads obtained to determine the processed real-time signals of each electrode; wherein, the electrodes are located at the chest positions of the patient;
[0006] Based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient, perform feature calculation to determine the position feature values of each of the electrodes;
[0007] Based on the position feature values of each of the electrodes and the calibration signal template, perform position calibration to determine the actual lead positions and lead types of each of the electrodes, and perform position calibration based on the actual lead positions of each of the electrodes and the standard lead positions of each of the electrodes.
[0008] In a possible implementation manner, the performing feature calculation based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient to determine the position feature values of each of the electrodes includes:
[0009] Determine the voltage difference between the processed real-time signal of each electrode and the reference signal;
[0010] Extract the first waveform feature value of the processed real-time signal of each electrode, and extract the second waveform feature value of the reference signal;
[0011] Based on each of the voltage differences and the waveform feature differences between each of the first waveform feature values and the second waveform feature values, construct the position feature value of each electrode.
[0012] In a possible implementation manner, the position verification is performed based on the position feature value of each electrode and the calibration signal template to determine the actual lead position and lead type of each electrode, including:
[0013] Perform Euclidean distance calculation on the position feature value of each electrode and each reference position feature value in the calibration signal template to determine the Euclidean distance value between the position feature value of each electrode and each reference position feature value;
[0014] Use the position information and lead type of the reference position feature value corresponding to the maximum Euclidean distance value of each electrode as the actual lead position and lead type of the electrode.
[0015] In a possible implementation manner, for each electrode, the position calibration based on the actual lead position of each electrode and the standard lead position of each electrode includes:
[0016] Detect whether the actual lead position is consistent with the standard lead position;
[0017] If so, do not perform position calibration on the actual lead position of the electrode;
[0018] If not, perform position calibration on the actual lead position of the electrode based on the standard lead position.
[0019] In a possible implementation manner, after the position calibration of the electrode based on the standard lead position, the electrode position calibration method further includes:
[0020] When the position calibration of each electrode is successful, calibrate the calibrated lead position of each electrode, and generate a position confirmation report including the calibrated lead position of each electrode.
[0021] In a possible implementation manner, after the calibration of the calibrated lead position of each electrode, the electrode position calibration method further includes:
[0022] Store the calibrated lead positions after calibration in a database.
[0023] The embodiment of the present application also provides an electrode position calibration device for electrocardiogram chest leads. The electrode position calibration device includes:
[0024] A chest lead identification module, configured to perform amplification processing and filtering processing on the real-time signals of each electrode of the electrocardiogram chest leads obtained, and determine the processed real-time signals of each electrode; wherein, the electrodes are located at the chest positions of the patient;
[0025] A feature calculation module, configured to perform feature calculation based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient, and determine the position feature values of each electrode;
[0026] A position calibration module, configured to perform position calibration based on the position feature values of each electrode and a calibration signal template, determine the actual lead positions and lead types of each electrode, and perform position calibration based on the actual lead positions of each electrode and the standard lead positions of each electrode.
[0027] The embodiment of the present application also provides an electronic device, including: a processor, a memory, and a bus. The memory stores machine-readable instructions executable by the processor. When the electronic device runs, the processor communicates with the memory through the bus. When the machine-readable instructions are executed by the processor, the steps of the electrode position calibration method for electrocardiogram chest leads as described above are executed.
[0028] The embodiment of the present application also provides a computer-readable storage medium, on which a computer program is stored. When the computer program is run by a processor, the steps of the electrode position calibration method for electrocardiogram chest leads as described above are executed.
[0029] The electrode position calibration method, device, equipment and medium for electrocardiogram chest leads provided by the embodiments of the present application. The electrode position calibration method includes: performing amplification processing and filtering processing on the real-time signals of each electrode of the electrocardiogram chest leads to determine the processed real-time signals of each electrode; wherein, the electrodes are located at the chest position of the patient; calculating features based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient to determine the position feature values of each electrode; performing position verification based on the position feature values of each electrode and the calibration signal template to determine the actual lead positions and lead types of each electrode, and performing position calibration based on the actual lead positions of each electrode and the standard lead positions of each electrode. By introducing calibration electrodes to identify the lead positions of each electrode of the electrocardiogram chest leads, automatic calibration of the lead positions is realized, thereby improving the simplicity of the operation and the accuracy of electrocardiogram signal measurement.
[0030] To make the above objects, features and advantages of the present application more obvious and understandable, the following specifically enumerates preferred embodiments and, in conjunction with the accompanying drawings, makes the following detailed description. Description of the Drawings
[0031] To more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.
[0032] Figure 1 It is a flowchart of an electrode position calibration method for an electrocardiogram chest lead provided by an embodiment of the present application;
[0033] Figure 2 It is a schematic diagram of an electrode position calibration method for an electrocardiogram chest lead provided by an embodiment of the present application;
[0034] Figure 3 It is one of the structural schematic diagrams of an electrode position calibration device for an electrocardiogram chest lead provided by an embodiment of the present application;
[0035] Figure 4 It is the second structural schematic diagram of an electrode position calibration device for an electrocardiogram chest lead provided by an embodiment of the present application;
[0036] Figure 5 It is a structural schematic diagram of an electronic device provided by an embodiment of the present application. Detailed Embodiments
[0037] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this application. Apparently, the described embodiments are only a part rather than all of the embodiments of this application. Components of the embodiments of this application described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. Based on the embodiments of this application, every other embodiment obtained by those skilled in the art without creative efforts falls within the scope of protection of this application.
[0038] First, the applicable application scenarios of this application will be introduced. This application can be applied to the field of medical diagnostic technology.
[0039] Through research, it is found that with the wide application of electrocardiogram devices in the medical field, the requirements for their operation convenience, accuracy, and usage efficiency are increasing day by day. Existing 12-lead electrocardiographs usually require operators to strictly manually distinguish and accurately place the electrode terminals of each chest lead. Since the positions of the chest leads are relatively close and there are no obvious physical differentiation marks between the installation terminals, it is extremely easy for the operator to place the electrode terminals of some chest leads in the wrong positions, thus affecting the accuracy of the measurement data. Therefore, how to improve the accuracy of the placement positions of the chest lead electrodes has become a technical problem that cannot be underestimated.
[0040] Based on this, the embodiments of this application provide a method for calibrating the electrode positions of electrocardiogram chest leads. By introducing calibration electrodes to identify the lead positions of each electrode of the electrocardiogram chest leads, automatic calibration of the lead positions is achieved, the accuracy of the placement positions of the chest lead electrodes is improved, and thus the simplicity of operation and the accuracy of electrocardiogram signal measurement are enhanced.
[0041] Please refer to Figure 1 , Figure 1 , which is a flowchart of a method for calibrating the electrode positions of electrocardiogram chest leads provided by the embodiments of this application. As shown in Figure 1 , the electrode position calibration method provided by the embodiments of this application includes:
[0042] S101: Amplify and filter the real-time signals of each electrode of the electrocardiogram chest leads obtained to determine the processed real-time signals of each electrode; wherein, the electrodes are located at the chest positions of the patient.
[0043] In this step, the chest lead identification module amplifies and filters the real-time signals of each electrode of the electrocardiogram chest leads located at the chest position of the patient, obtaining the processed real-time signals of each electrode to ensure the clarity and effectiveness of the real-time signals.
[0044] Here, the operator does not need to strictly distinguish the placement positions of each chest lead electrode. The 6 chest lead electrodes are roughly placed according to the conventional anatomical positions (V1-V6). Among them, the standard lead position corresponding to V1 is the fourth intercostal space (right sternal border); the standard lead position corresponding to V2 is the fourth intercostal space (left sternal border); the standard lead position corresponding to V3 is the midpoint of the line connecting V2 and V4; the standard lead position corresponding to V4 is the fifth intercostal space (left midclavicular line); the standard lead position corresponding to V5 is at the same level as V4 (left anterior axillary line); the standard lead position corresponding to V6 is at the same level as V4 and V5 (left midaxillary line).
[0045] S102: Calculate features based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient, and determine the position feature values of each of the electrodes.
[0046] In this step, calculate features based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient, and determine the position feature values of each of the electrodes.
[0047] Among them, the chest calibration position can be the position corresponding to the center of the sternum.
[0048] Here, the calibration electrode serves as a fixed reference point, located in the center of the chest (such as the sternum area). The reference signal is generated by the calibration electrode and is used to compare with the signals of other chest lead electrodes. When the chest lead electrodes are placed at different positions on the patient's chest, the distances and relative positions between them and the calibration electrode will produce different signal features. These features include voltage differences, waveform shapes, etc. The reference signal is used as a standard to judge the actual lead positions of each electrode. By comparing the signal differences between each electrode and the calibration electrode, the system can determine the actual lead positions of each electrode.
[0049] In a possible implementation manner, the calculating features based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient to determine the position feature values of each of the electrodes includes:
[0050] A: Determine the voltage difference between the processed real-time signal of each electrode and the reference signal.
[0051] Here, the voltage difference is determined based on the comparison of the processed real-time signal of each electrode with the reference signal.
[0052] B: Extract the first waveform eigenvalue of the processed real-time signal of each electrode, and extract the second waveform eigenvalue of the reference signal.
[0053] Here, the first waveform eigenvalue of the processed real-time signal of each electrode and the second waveform eigenvalue of the reference signal can be extracted according to the neural network model.
[0054] Among them, the waveform eigenvalue includes the shape, frequency, amplitude, phase, etc. of the waveform.
[0055] C: Based on each voltage difference and the waveform feature difference between each first waveform eigenvalue and the second waveform eigenvalue, construct the position eigenvalue of each electrode.
[0056] Here, the position eigenvalue of each electrode is constructed according to the voltage difference and the waveform feature difference.
[0057] S103: Based on the position eigenvalue of each electrode and the calibration signal template, perform position calibration to determine the actual lead position and lead type of each electrode, and perform position calibration based on the actual lead position of each electrode and the standard lead position of each electrode.
[0058] In this step, according to the position eigenvalue of each electrode and the calibration signal template, determine the actual lead position and lead type of each electrode, and perform position calibration according to the actual lead position of each electrode and the standard lead position of each electrode.
[0059] Among them, the calibration signal template includes the actual lead position corresponding to each reference position eigenvalue and the corresponding lead type.
[0060] Among them, the standard lead position is the standard position where the electrodes of a 12-lead electrocardiograph are placed on the patient's chest position.
[0061] Here, the calibration signal template is determined as follows: The calibration signal template is important reference data in the present invention for calibrating the positions of chest lead electrodes, and it is determined through a series of experiments and testing processes. The following is the determination process of the calibration signal template and its detailed description: First, a series of typical electrocardiogram measurement scenarios are selected, including different patient body types, postures, and chest lead electrode placement positions; ensure that the positions of the calibration electrodes remain fixed in each experiment to accurately evaluate the signal changes of the chest lead electrodes. In each typical scenario, real-time signal data is collected from the calibration electrodes and the chest lead electrodes. To improve the reliability of the data, each scenario is repeated at least multiple times to collect a sufficient number of data samples. The collected signals are amplified and filtered to remove noise and interference, ensuring signal clarity and effectiveness. Signal features such as voltage difference, waveform characteristics, signal strength, and phase are extracted. Statistical analysis is performed on the signal features of each scenario to determine the calibration signal (the reference position eigenvalue of the data sample) between the data sample and the calibration electrode. Record the current reference position eigenvalue and the corresponding actual lead position, store multiple current reference position eigenvalues and the corresponding actual lead positions in a database to generate a calibration signal template, and store each reference position eigenvalue in the calibration signal template in association with the corresponding lead type and standard lead position.
[0062] In a possible implementation manner, the position calibration is performed based on the position eigenvalue of each electrode and the calibration signal template to determine the actual lead position and lead type of each electrode, including:
[0063] A: Calculate the Euclidean distance between the position eigenvalue of each electrode and each reference position eigenvalue in the calibration signal template to determine the Euclidean distance value between the position eigenvalue of each electrode and each reference position eigenvalue.
[0064] Here, the Euclidean distance is calculated between the position eigenvalue of each electrode and each reference position eigenvalue in the calibration signal template to determine the Euclidean distance value between the position eigenvalue of each electrode and each reference position eigenvalue.
[0065] b: Use the position information and lead type of the reference position eigenvalue corresponding to the maximum Euclidean distance value of each electrode as the actual lead position and lead type of the electrode.
[0066] Here, the position information and lead type of the reference position eigenvalue corresponding to the maximum Euclidean distance value of each electrode are used as the actual lead position and lead type of the electrode.
[0067] In a possible implementation, for each of the electrodes, the position calibration based on the actual lead position of each electrode and the standard lead position of each electrode includes:
[0068] Detect whether the actual lead position is consistent with the standard lead position; if so, do not perform position calibration on the actual lead position of the electrode; if not, perform position calibration on the actual lead position of the electrode based on the standard lead position.
[0069] Here, detect whether the actual lead position is consistent with the standard lead position; if so, do not perform position calibration on the actual lead position of the electrode; if not, prompt the user to perform position calibration on the actual lead position of the electrode according to the standard lead position.
[0070] Among them, the system compares the position characteristic value of the electrode with the calibration signal template to determine the actual lead position and lead type of the electrode. According to the comparison result, the system judges whether the placement position of the chest lead meets the standard. If all lead positions are accurate, after the calibration is completed, the system calibrates the electrode position of the chest lead and generates a position confirmation report. The report includes the identification of electrode placement and the calibration result, which is used for archiving and providing a reference for subsequent measurements. If it is not accurate, prompt the user to adjust the electrode position and re - calibrate.
[0071] In a possible implementation, after performing position calibration on the actual lead position of the electrode based on the standard lead position, the electrode position calibration method further includes:
[0072] When the position calibration of each electrode is successful, calibrate the calibrated lead position of each electrode, and generate a position confirmation report including the calibrated lead position of each electrode.
[0073] Here, the identified lead position is calibrated through a digital processing algorithm and a position confirmation report is generated. The report includes the identification of electrode placement and the calibration result, which is used for archiving and providing a reference for subsequent measurements.
[0074] In a possible implementation, after calibrating the calibrated lead position of each electrode, the electrode position calibration method further includes: storing the calibrated lead position in a database.
[0075] Here, the database is used to store the calibration signal template, the signal characteristics of the standard lead position, the calibration result, and the calibration report. The database contains the standard data of the chest lead position and its corresponding calibration signal template, which is convenient for position identification after the lead electrode is placed. The database also generates and saves a position confirmation report for subsequent analysis and comparison.
[0076] Further, please refer to Figure 2 , Figure 2 , which is a schematic diagram of a method for calibrating the electrode positions of an electrocardiogram chest lead provided by an embodiment of the present application. As Figure 2 shown, install the required electrode group and calibration electrode on the electrocardiogram device, place the chest lead electrode and the calibration electrode on the patient's chest, obtain the position characteristic value of the chest lead electrode according to the reference signal of the calibration electrode and the signal of the chest lead electrode, match the position characteristic value of the chest lead electrode to obtain the actual lead position, detect whether each actual lead position is a standard lead position, if so, calibrate the position of each chest lead electrode and generate a position confirmation report, if any is not, perform position calibration on the actual lead position.
[0077] In the present application, compared with the existing electrocardiogram devices, the following advantages and effects are achieved: (1) Reducing operation complexity and improving placement efficiency: In traditional electrocardiogram devices, the chest lead electrodes need to be accurately placed one by one in the order from V1 to V6, and each lead must correspond to a specific position, otherwise it may affect the measurement accuracy. This requirement places a high demand on the technical level of the operator and also increases the operation time and error risk. In contrast, the present invention realizes automatic identification and calibration through the calibration electrode and position verification, allowing the operator to place the electrodes at approximate positions. The calibration electrode will automatically identify the exact position of the electrode through the electrical signal characteristics, simplifying the placement steps, greatly reducing the operation complexity and professional requirements, and improving the electrode placement efficiency. (2) Reducing human error and improving measurement accuracy:
[0078] In traditional devices, due to relying on manual placement, the operator is prone to position deviation during electrode placement, resulting in unstable signal acquisition quality and affecting the accuracy of the electrocardiogram results. The present invention realizes automatic detection and confirmation of the actual position of the electrode through position verification, ensuring that each electrode can be placed at the accurate position corresponding to its lead position. Through automatic verification and position calibration, not only the influence brought by human error is reduced, but also the measurement accuracy of electrocardiogram data is significantly improved. (3) Enhancing the stability of electrocardiogram signals and adapting to more usage scenarios: The traditional manual placement process may lead to the accumulation of position errors, which is not conducive to the signal stability in long-term or dynamic monitoring scenarios. The present invention can maintain the stability of the electrode position after initial calibration through a calibration locking mechanism, ensuring the continuous accuracy of the signal. Especially when long-term monitoring is required or when used in a mobile environment (such as an ambulance, a field medical environment), it can ensure the continuous consistency of the data, avoid the accumulation of errors caused by position deviation, and make the present application more suitable for various complex scenarios.
[0079] An electrode position calibration method for an electrocardiogram chest lead provided by an embodiment of the present application, the electrode position calibration method comprising: amplifying and filtering the real-time signals of each electrode of the electrocardiogram chest lead obtained to determine the processed real-time signals of each electrode; wherein, the electrodes are located at the chest position of the patient; calculating features based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient to determine the position feature values of each of the electrodes; performing position verification based on the position feature values of each of the electrodes and a calibration signal template to determine the actual lead positions and lead types of each of the electrodes, and performing position calibration based on the actual lead positions of each of the electrodes and the standard lead positions of each of the electrodes. By introducing calibration electrodes to identify the lead positions of each electrode of the electrocardiogram chest lead, automatic calibration of the lead positions is achieved, the accuracy of the electrode placement positions of the chest lead is improved, thereby enhancing the simplicity of the operation and the accuracy of electrocardiogram signal measurement.
[0080] Please refer to Figure 3 、 Figure 4 , Figure 3 which is one of the structural schematic diagrams of an electrode position calibration device for an electrocardiogram chest lead provided by an embodiment of the present application; Figure 4 which is the second structural schematic diagram of an electrode position calibration device for an electrocardiogram chest lead provided by an embodiment of the present application. As Figure 3 shown in
[0081] a chest lead identification module 310, configured to amplify and filter the real-time signals of each electrode of the electrocardiogram chest lead obtained to determine the processed real-time signals of each electrode; wherein, the electrodes are located at the chest position of the patient;
[0082] a feature calculation module 320, configured to calculate features based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient to determine the position feature values of each of the electrodes;
[0083] a position verification module 330, configured to perform position verification based on the position feature values of each of the electrodes and a calibration signal template to determine the actual lead positions and lead types of each of the electrodes, and perform position calibration based on the actual lead positions of each of the electrodes and the standard lead positions of each of the electrodes.
[0084] Further, when the feature calculation module 320 is used to calculate features based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient to determine the position feature values of each electrode, the feature calculation module 320 specifically is used for:
[0085] Determine the voltage difference between the processed real-time signal of each electrode and the reference signal;
[0086] Extract the first waveform feature value of the processed real-time signal of each electrode, and extract the second waveform feature value of the reference signal;
[0087] Based on each of the voltage differences and the waveform feature differences between each of the first waveform feature values and the second waveform feature values, construct the position feature value of each electrode.
[0088] Further, the position verification based on the position feature values of each electrode and the calibration signal template to determine the actual lead positions and lead types of each electrode includes:
[0089] Perform Euclidean distance calculation on the position feature value of each electrode and each reference position feature value in the calibration signal template to determine the Euclidean distance values between the position feature value of each electrode and each reference position feature value;
[0090] Use the position information and lead type of the reference position feature value corresponding to the maximum Euclidean distance value of each electrode as the actual lead position and lead type of the electrode.
[0091] Further, for each electrode, the position calibration based on the actual lead position of each electrode and the standard lead position of each electrode includes:
[0092] Detect whether the actual lead position is consistent with the standard lead position;
[0093] If so, do not perform position calibration on the actual lead position of the electrode;
[0094] If not, perform position calibration on the actual lead position of the electrode based on the standard lead position.
[0095] Further, as Figure 4 shown, the electrode position calibration device 300 further includes a report generation module 340, and the report generation module 340 is used for:
[0096] After the position calibration of each of the electrodes is successful, calibrate the calibrated lead positions of each of the electrodes, and generate a position confirmation report including the calibrated lead positions of each of the electrodes.
[0097] Further, as Figure 4 shown, the electrode position calibration device 300 further includes a storage module 350, and the storage module 350 is configured to:
[0098] Store the calibrated lead positions after calibration in a database.
[0099] An electrode position calibration device for an electrocardiogram chest lead provided by an embodiment of the present application, the electrode position calibration device includes: a chest lead identification module, configured to perform amplification processing and filtering processing on the real-time signals of each electrode of the acquired electrocardiogram chest lead, and determine the processed real-time signals of each electrode; wherein, the electrodes are located at the chest positions of the patient; a feature calculation module, configured to perform feature calculation based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient, and determine the position feature values of each of the electrodes; a position verification module, configured to perform position verification based on the position feature values of each of the electrodes and a verification signal template, determine the actual lead positions and lead types of each of the electrodes, and perform position calibration based on the actual lead positions of each of the electrodes and the standard lead positions of each of the electrodes. By introducing calibration electrodes to identify the lead positions of each electrode of the electrocardiogram chest lead, automatic calibration of the lead positions is achieved, the accuracy of the electrode placement positions of the chest leads is improved, thereby enhancing the simplicity of the operation and the accuracy of electrocardiogram signal measurement.
[0100] Please refer to Figure 5 , Figure 5 which is a schematic structural diagram of an electronic device provided by an embodiment of the present application. As Figure 5 shown in, the electronic device 500 includes a processor 510, a memory 520, and a bus 530.
[0101] The memory 520 stores machine-readable instructions executable by the processor 510. When the electronic device 500 runs, the processor 510 communicates with the memory 520 through the bus 530. When the machine-readable instructions are executed by the processor 510, the steps of the electrode position calibration method for the electrocardiogram chest lead in the method embodiments as described above Figure 1 and Figure 2 shown can be executed. For the specific implementation manner, reference can be made to the method embodiments, which will not be elaborated here.
[0102] The embodiments of the present application also provide a computer-readable storage medium, on which a computer program is stored. When the computer program is run by a processor, it can execute the steps of the electrode position calibration method for electrocardiogram chest leads in the method embodiments as described above. For the specific implementation manners, reference can be made to the method embodiments and will not be elaborated herein. Figure 1 and Figure 2 shown in the method embodiments. For the specific implementation manners, reference can be made to the method embodiments and will not be elaborated herein.
[0103] Those skilled in the art can clearly understand that for the convenience and brevity of description, the specific working processes of the systems, devices, and units described above can refer to the corresponding processes in the foregoing method embodiments and will not be elaborated herein.
[0104] In several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. The device embodiments described above are merely illustrative. For example, the division of the units is only a logical function division, and there can be other division manners in actual implementation. For another example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed couplings or direct couplings or communication connections to each other can be through some communication interfaces. The indirect couplings or communication connections of the devices or units can be in electrical, mechanical, or other forms.
[0105] The units described as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0106] In addition, in each embodiment of the present application, the functional units can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit.
[0107] When the above-mentioned functions are implemented in the form of software function units and sold or used as independent products, they can be stored in a non-volatile computer-readable storage medium executable by a processor. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or part of this technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application. The foregoing storage medium includes: various media such as USB flash drives, mobile hard disks, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical discs that can store program codes.
[0108] Finally, it should be noted that the above-mentioned embodiments are only specific implementation manners of this application, used to illustrate the technical solutions of this application, rather than to limit them. The protection scope of this application is not limited thereto. Although this application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: any person skilled in the art within the technical scope disclosed in this application can still modify the technical solutions recorded in the foregoing embodiments, or can easily think of changes, or perform equivalent replacements on some of the technical features; and these modifications, changes, or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be covered by the protection scope of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.
Claims
1. An electrode position calibration method for electrocardiogram chest leads, characterized in that, The electrode position calibration method includes: Performing amplification processing and filtering processing on the real-time signals of each electrode of the electrocardiogram chest leads, and determining the processed real-time signals of each electrode; wherein, the electrodes are located at the chest position of the patient; Performing feature calculation based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient, and determining the position feature values of each electrode; Performing position verification based on the position feature values of each electrode and the calibration signal template, determining the actual lead positions and lead types of each electrode, and performing position calibration based on the actual lead positions of each electrode and the standard lead positions of each electrode.
2. The electrode position calibration method according to claim 1, wherein The performing feature calculation based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient, and determining the position feature values of each electrode includes: Determining the voltage difference between the processed real-time signal of each electrode and the reference signal; Extracting the first waveform feature value of the processed real-time signal of each electrode, and extracting the second waveform feature value of the reference signal; Constructing the position feature value of each electrode based on each voltage difference and the waveform feature difference between each first waveform feature value and the second waveform feature value.
3. The electrode position calibration method according to claim 1, wherein The performing position verification based on the position feature values of each electrode and the calibration signal template, and determining the actual lead positions and lead types of each electrode includes: Performing Euclidean distance calculation on the position feature value of each electrode and each reference position feature value in the calibration signal template, and determining the Euclidean distance values between the position feature value of each electrode and each reference position feature value; Taking the position information and lead type of the reference position feature value corresponding to the maximum Euclidean distance value of each electrode as the actual lead position and lead type of the electrode.
4. The electrode position calibration method according to claim 1, characterized in that For each electrode, the performing position calibration based on the actual lead position of each electrode and the standard lead position of each electrode includes: Detecting whether the actual lead position is consistent with the standard lead position; If so, not performing position calibration on the actual lead position of the electrode; If not, performing position calibration on the actual lead position of the electrode based on the standard lead position.
5. The electrode position calibration method according to claim 4, wherein After performing position calibration on the actual lead position of the electrode based on the standard lead position, the electrode position calibration method further includes: When the position calibration of each electrode is successful, calibrating the calibrated lead positions of each electrode, and generating a position confirmation report including the calibrated lead positions of each electrode.
6. The electrode position calibration method according to claim 5, characterized in that After calibrating the calibrated lead positions of each electrode, the electrode position calibration method further includes: Storing the calibrated lead positions after calibration in a database.
7. An electrode position calibration device for electrocardiogram chest leads, characterized in that, The electrode position calibration device includes: A chest lead identification module for amplifying and filtering the real-time signals of each electrode of the electrocardiogram chest leads to determine the processed real-time signals of each electrode; wherein the electrodes are located at the chest position of the patient; A feature calculation module for calculating features based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient to determine the position feature values of each of the electrodes; A position verification module for verifying the positions based on the position feature values of each electrode and the verification signal template to determine the actual lead positions and lead types of each electrode, and performing position calibration based on the actual lead positions of each electrode and the standard lead positions of each electrode.
8. The electrode position calibration device according to claim 7, wherein, When the feature calculation module is used to calculate features based on the processed real-time signals of each electrode and the reference signals provided by the calibration electrodes placed at the preset chest calibration positions of the patient to determine the position feature values of each of the electrodes, the feature calculation module is specifically used for: Determining the voltage difference between the processed real-time signal of each electrode and the reference signal; Extracting the first waveform feature value of the processed real-time signal of each electrode and extracting the second waveform feature value of the reference signal; Constructing the position feature value of each electrode based on each of the voltage differences and the waveform feature differences between each of the first waveform feature values and the second waveform feature values.
9. An electronic device, characterized in that, Including: A processor, a memory, and a bus. The memory stores machine-readable instructions executable by the processor. When the electronic device runs, the processor communicates with the memory through the bus. When the machine-readable instructions are run by the processor, the steps of the electrode position calibration method for the electrocardiogram chest leads as described in any one of claims 1 to 6 are executed.
10. A computer-readable storage medium, characterized in that, A computer program is stored on the computer-readable storage medium. When the computer program is run by the processor, the steps of the electrode position calibration method for the electrocardiogram chest leads as described in any one of claims 1 to 6 are executed.