Biological signal acquisition method and device, signal acquisition equipment and storage medium

Abstract

The invention is suitable for the technical field of biological signals, and provides a biological signal acquisition method and device, signal acquisition equipment and a storage medium. The biological signal acquisition method is applied to signal acquisition equipment, the signal acquisition equipment comprises a plurality of reference electrodes and a plurality of first electrodes, and each first electrode and one corresponding reference electrode form a lead; the biological signal acquisition method comprises the following steps: when detecting that a signal acquired by at least one of the plurality of reference electrodes is abnormal, generating a biological signal according to signals acquired by the plurality of first electrodes. By means of the method, the biological signal is generated according to the signal collected by the first electrode when the signal collected by the reference electrode is abnormal, the problem that the biological signal cannot be collected when the signal collected by the reference electrode is abnormal is solved, and the success rate of biological signal collection is increased.

Description

Technical Field

[0001] The present application belongs to the field of biological signal technology, and in particular, relates to a biological signal acquisition method, device, signal acquisition equipment and storage medium. Background Art

[0002] Some bio-signal acquisition devices (such as EEG signal acquisition devices) include reference electrodes for being set on a living body. In the actual use of such bio-signal acquisition devices, the reference electrodes set on the living body may become loose or fall off due to various reasons (such as sweat on the living body, the activity of the living body, or the reference electrodes themselves), which may cause the signals collected by the reference electrodes to be abnormal, thus reducing the success rate of bio-signal acquisition. Summary of the invention

[0003] In view of this, the embodiments of the present application provide a method, apparatus, signal acquisition device and storage medium for acquiring a biological signal to solve the technical problem of low success rate of existing biological signal acquisition.

[0004] In a first aspect, an embodiment of the present application provides a method for acquiring a biological signal, which is applied to a signal acquisition device, wherein the signal acquisition device includes a plurality of reference electrodes and a plurality of first electrodes, and each of the first electrodes and a corresponding reference electrode form a lead; the method includes:

[0005] When it is detected that the signal collected by at least one of the plurality of reference electrodes is abnormal, a biological signal is generated according to the signals collected by the plurality of first electrodes.

[0006] Optionally, when it is detected that the signal collected by at least one of the plurality of reference electrodes is abnormal, the method further includes:

[0007] The biological signal is generated according to the signals collected by other reference electrodes among the plurality of reference electrodes except the at least one reference electrode and the signals collected by the first electrode corresponding to the other reference electrodes.

[0008] Optionally, generating the biological signal according to the signals collected by other reference electrodes among the plurality of reference electrodes except the at least one reference electrode and the signals collected by the first electrode corresponding to the other reference electrodes includes:

[0009] For each of the other reference electrodes, generating a sub-signal of the other reference electrode according to a signal collected by the other reference electrode and a signal collected by the first electrode corresponding to the other reference electrode;

[0010] The biosignal is generated based on the sub-signal of each of the other reference electrodes.

[0011] Optionally, the plurality of reference electrodes include a first reference electrode and a second reference electrode, and the plurality of first electrodes include a first forehead electrode corresponding to the first reference electrode, and a second forehead electrode corresponding to the second reference electrode.

[0012] Optionally, the signal acquisition device further includes a plurality of second electrodes, each of the second electrodes and a corresponding reference electrode forming a lead, and the arrangement area of ​​the plurality of second electrodes on the biological body is different from the arrangement area of ​​the plurality of first electrodes on the biological body; the method further includes:

[0013] When it is detected that the signal collected by at least one of the several reference electrodes is abnormal, the biological signal is generated based on the signals collected by the several second electrodes, or the biological signal is generated based on the signals collected by other reference electrodes among the several reference electrodes except the at least one reference electrode and the signals collected by the second electrodes corresponding to the other reference electrodes.

[0014] Optionally, the plurality of reference electrodes include a first reference electrode and a second reference electrode, and the plurality of second electrodes include an eye electrode corresponding to the first reference electrode, and a mandibular muscle electrode corresponding to the second reference electrode.

[0015] Optionally, generating a biological signal according to the signals collected by the plurality of first electrodes includes:

[0016] For each of the first electrodes, generating a sub-signal of the first electrode according to a signal collected by the first electrode and a signal collected by any electrode other than the first electrode among the plurality of first electrodes;

[0017] The biosignal is generated according to the sub-signal of each of the first electrodes.

[0018] In a second aspect, an embodiment of the present application provides a biological signal acquisition device, which is applied to a signal acquisition device, wherein the signal acquisition device includes a plurality of reference electrodes and a plurality of first electrodes, each of the first electrodes and a corresponding reference electrode forming a lead; the device includes:

[0019] The first biological signal generating unit is used to generate a biological signal according to the signals collected by the plurality of first electrodes when it is detected that the signal collected by at least one reference electrode among the plurality of reference electrodes is abnormal.

[0020] In a third aspect, an embodiment of the present application provides a signal acquisition device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the computer program, each step of the method for acquiring biological signals as described in any one of the first aspects above is implemented.

[0021] In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements each step in the method for acquiring a biological signal as described in any one of the first aspects above.

[0022] In a fifth aspect, an embodiment of the present application provides a computer program product. When the computer program product is run on a terminal device, the terminal device executes each step of the biological signal acquisition method as described in any one of the first aspects above.

[0023] The biological signal acquisition method, device, signal acquisition device and storage medium provided in the embodiments of the present application have the following beneficial effects:

[0024] In the method for acquiring biological signals provided in the embodiment of the present application, when it is detected that the signal collected by at least one of the several reference electrodes in the signal acquisition device is abnormal, the biological signal is generated according to the signals collected by the several first electrodes in the signal acquisition device. Through the method of the present application, when the signal collected by the reference electrode is abnormal, the biological signal is generated according to the signal collected by the first electrode, which solves the problem that the biological signal cannot be collected when the signal collected by the reference electrode is abnormal, and improves the success rate of biological signal collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0026] Figure 1 A schematic diagram of the structure of a signal acquisition device provided in an embodiment of the present application;

[0027] Figure 2 A flowchart of a method for acquiring a biological signal provided in an embodiment of the present application;

[0028] Figure 3 A schematic diagram of the structure of a signal acquisition device provided in another embodiment of the present application;

[0029] Figure 4A schematic diagram of the structure of a biological signal acquisition device provided in an embodiment of the present application;

[0030] Figure 5 A schematic diagram of the structure of a signal acquisition device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0031] It should be noted that the terms used in the embodiments of the present application are only used to explain the specific embodiments of the present application, and are not intended to limit the present application. In the description of the embodiments of the present application, unless otherwise specified, "multiple" refers to two or more than two, and "at least one", "one or more" refers to one, two or more. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, it is defined that the "first" and "second" features can explicitly or implicitly include one or more of the features.

[0032] References to "one embodiment" or "some embodiments" etc. described in this specification mean that a particular feature, structure or characteristic described in conjunction with the embodiment is included in one or more embodiments of the present application. Thus, the phrases "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear at different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways.

[0033] The execution subject of the method for acquiring a biological signal provided in the embodiment of the present application may be a signal acquisition device, and specifically, the execution subject of the method for acquiring a biological signal provided in the embodiment of the present application may be a control device of the signal acquisition device. The signal acquisition device may be used to acquire biological signals, and the biological signals may include, but are not limited to, the electroencephalogram signals of a living body, the electrooculogram signals of a living body, and the electromyogram signals of the mandible of a living body.

[0034] A method for acquiring biological signals provided in an embodiment of the present application can be applied in various scenarios where biological signals need to be collected. Specifically, when biological signals need to be collected, each step of the method for acquiring biological signals provided in the embodiment of the present application can be executed by a control device of a signal acquisition device, thereby being able to collect biological signals even when the signal collected by any reference electrode in the signal acquisition device is abnormal.

[0035] The signal acquisition device in the embodiment of the present application may include a plurality of reference electrodes and a plurality of first electrodes, wherein each first electrode and a corresponding reference electrode form a lead. Each reference electrode and each first electrode may be arranged in a corresponding area on a biological body to acquire a signal of the corresponding area of ​​the biological body, and the control device of the signal acquisition device may acquire a signal of the biological body according to the signals acquired by each reference electrode and each first electrode.

[0036] For example, see Figure 1 , Figure 1 This is a schematic diagram of the structure of a signal acquisition device provided in an embodiment of the present application. Figure 1 As shown, the signal acquisition device may include two reference electrodes (a first reference electrode and a second reference electrode) and two first electrodes (a first forehead electrode and a second forehead electrode). In this embodiment of the present application, the first reference electrode may form a lead with the first forehead electrode, and the second reference electrode may form a lead with the second forehead electrode.

[0037] In the prior art, biological signals can only be collected when the signals collected by each electrode in the signal collection device are normal, for example, Figure 1 In the signal acquisition device shown, the signal acquisition device can normally acquire biological signals only when the signals acquired by the first reference electrode, the second reference electrode, the first forehead electrode and the second forehead electrode are all normal.

[0038] However, in the actual use of the signal acquisition device, the reference electrode set on the biological body may become loose due to the presence of sweat on the biological body, the activity of the biological body, or the reference electrode itself, resulting in abnormal signals collected by the reference electrode, and then causing the control device of the signal acquisition device to be unable to collect signals to obtain the biological body's signal.

[0039] Based on this, an embodiment of the present application provides a method for acquiring biological signals applied to the signal acquisition device to solve the technical problem that the signal acquired by the reference electrode is abnormal, resulting in the control device of the signal acquisition device being unable to acquire the signal of the biological body.

[0040] See also Figure 2 , Figure 2 The present invention provides a flowchart of a method for acquiring a biological signal according to an embodiment of the present invention. The method for acquiring a biological signal may include S101, which is described in detail as follows:

[0041] In S101, when it is detected that the signal collected by at least one of the plurality of reference electrodes is abnormal, a biological signal is generated according to the signals collected by the plurality of first electrodes.

[0042] In an embodiment of the present application, the signal acquisition device can determine whether the signal collected by each reference electrode is abnormal through a preset method, wherein the abnormal type of the signal collected by the reference electrode may include signal interruption and signal distortion.

[0043] When the signal acquisition device detects that the signal collected by at least one of the plurality of reference electrodes is abnormal, the signal acquisition device may generate a biological signal based on the signals collected by the plurality of first electrodes.

[0044] Specifically, when the signal acquisition device detects that the signal collected by at least one of the plurality of reference electrodes is abnormal, the signal acquisition device can generate a sub-signal of each first electrode based on the signal collected by the first electrode and the signal collected by any first electrode other than the first electrode among the plurality of first electrodes. After the signal acquisition device performs this step, the sub-signal of each first electrode can be generated. Afterwards, the signal acquisition device can generate a biosignal based on the sub-signals of each first electrode.

[0045] by Figure 1 Taking the signal acquisition device in as an example, when the signal acquisition device detects that the signal collected by the first reference electrode is abnormal, or when the signal acquisition device detects that the signal collected by the second reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the first forehead electrode based on the signal collected by the first forehead electrode and the signal collected by the second forehead electrode, and can generate a sub-signal of the second forehead electrode based on the signal collected by the second forehead electrode and the signal collected by the first forehead electrode, and finally can generate a biological signal based on the sub-signal of the first forehead electrode and the sub-signal of the second forehead electrode.

[0046] If the signal acquisition device includes a first reference electrode, a second reference electrode, a third reference electrode, a first forehead electrode corresponding to the first reference electrode, a second forehead electrode corresponding to the second reference electrode, and a third forehead electrode corresponding to the third reference electrode, when the signal acquisition device detects that the signal collected by the first reference electrode is abnormal, or when the signal acquisition device detects that the signal collected by the second reference electrode is abnormal, or when the signal acquisition device detects that the signal collected by the third reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the first forehead electrode based on the signal collected by the first forehead electrode, and the signal collected by the second forehead electrode or the signal collected by the third forehead electrode, and can generate a sub-signal of the second forehead electrode based on the signal collected by the second forehead electrode, and the signal collected by the first forehead electrode or the signal collected by the third forehead electrode, and can generate a sub-signal of the third forehead electrode based on the signal collected by the third forehead electrode, and the signal collected by the first forehead electrode or the signal collected by the second forehead electrode, and finally generate a biological signal based on the sub-signal of the first forehead electrode, the sub-signal of the second forehead electrode, and the sub-signal of the third forehead electrode.

[0047] It can be seen from the above that in the method for acquiring biological signals provided in the embodiment of the present application, when it is detected that the signal collected by at least one of the several reference electrodes in the signal acquisition device is abnormal, the biological signal is generated according to the signals collected by the several first electrodes in the signal acquisition device. Through the method of the present application, when the signal collected by the reference electrode is abnormal, the biological signal is generated according to the signal collected by the first electrode, which solves the problem that the biological signal cannot be collected when the signal collected by the reference electrode is abnormal, and improves the success rate of biological signal collection.

[0048] In the embodiment of the present application, when the signal acquisition device detects that the signal collected by at least one of the reference electrodes is abnormal, the signal acquisition device can also generate a biological signal through step a. The details are as follows:

[0049] In step a, a biological signal is generated based on signals collected by other reference electrodes except at least one reference electrode among a plurality of reference electrodes and signals collected by the first electrode corresponding to the other reference electrodes.

[0050] In the embodiment of the present application, when the signal acquisition device detects that the signal collected by at least one of the several reference electrodes is abnormal, the signal acquisition device can generate a biosignal according to S101, and can also generate a biosignal according to the signals collected by other reference electrodes (other reference electrodes are reference electrodes with normal signals) except at least one reference electrode (at least one reference electrode is a reference electrode with abnormal signals collected) among the several reference electrodes, and the signals collected by the first electrodes corresponding to the other reference electrodes. That is, when the signal acquisition device detects that the signal collected by at least one of the several reference electrodes is abnormal, the signal acquisition device can generate a biosignal according to the signals collected by the reference electrodes with normal signals collected, and the signals collected by the first electrodes corresponding to the reference electrodes with normal signals collected.

[0051] Specifically, when the signal acquisition device detects that the signal collected by at least one of the reference electrodes is abnormal, the signal acquisition device can generate a sub-signal of each other reference electrode (reference electrode with normal collected signal) based on the signal collected by the other reference electrode and the signal collected by the first electrode corresponding to the other reference electrode. After the signal acquisition device performs this step, the sub-signal of each other reference electrode can be generated. After that, the signal acquisition device can generate a biological signal based on the sub-signal of each other reference electrode.

[0052] by Figure 1 Taking the signal acquisition device in as an example, when the signal acquisition device detects that the signal collected by the first reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the second reference electrode based on the signal collected by the second reference electrode and the signal collected by the second forehead electrode corresponding to the second reference electrode, thereby generating a biological signal. Similarly, when the signal acquisition device detects that the signal collected by the second reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the first reference electrode based on the signal collected by the first reference electrode and the signal collected by the first forehead electrode corresponding to the first reference electrode, thereby generating a biological signal.

[0053] If the signal acquisition device includes a first reference electrode, a second reference electrode, a third reference electrode, a first forehead electrode corresponding to the first reference electrode, a second forehead electrode corresponding to the second reference electrode, and a third forehead electrode corresponding to the third reference electrode, when the signal acquisition device detects that the signal collected by the first reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the second reference electrode based on the signal collected by the second reference electrode and the signal collected by the second forehead electrode corresponding to the second reference electrode, and can generate a sub-signal of the third reference electrode based on the signal collected by the third reference electrode and the signal collected by the third forehead electrode corresponding to the third reference electrode, and then can generate a biological signal based on the sub-signal of the second reference electrode and the sub-signal of the third reference electrode.

[0054] Similarly, when the signal acquisition device detects that the signal collected by the second reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the first reference electrode based on the signal collected by the first reference electrode and the signal collected by the first forehead electrode corresponding to the first reference electrode, and can generate a sub-signal of the third reference electrode based on the signal collected by the third reference electrode and the signal collected by the third forehead electrode corresponding to the third reference electrode, and then can generate a biological signal based on the sub-signal of the first reference electrode and the sub-signal of the third reference electrode.

[0055] Similarly, when the signal acquisition device detects that the signal collected by the third reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the first reference electrode based on the signal collected by the first reference electrode and the signal collected by the first forehead electrode corresponding to the first reference electrode, and can generate a sub-signal of the second reference electrode based on the signal collected by the second reference electrode and the signal collected by the second forehead electrode corresponding to the second reference electrode, and then can generate a biological signal based on the sub-signal of the first reference electrode and the sub-signal of the second reference electrode.

[0056] In practical applications, when the signal acquisition device detects that the signal collected by at least one of the multiple reference electrodes is abnormal, the signal acquisition device can select any one of the two methods for generating biological signals (i.e., the method described in S201 and the method described in step a) to generate biological signals according to actual needs, and the specific selection process and method are not specifically limited here. In addition, it is understandable that when the signal acquisition device detects that the signals collected by each reference electrode are abnormal, the signal acquisition device can generate biological signals through S101.

[0057] In another embodiment of the present application, the signal acquisition device may include a plurality of second electrodes in addition to a plurality of reference electrodes and a plurality of first electrodes, and each second electrode and a corresponding reference electrode form a lead. The difference between the second electrode and the first electrode is that the second electrode can be selectively set by the user according to actual needs, and the setting area of ​​the second electrode on the organism is different from the setting area of ​​the first electrode on the organism. In addition, the first electrode can be used for analyzing the EEG data of the organism, and the second electrode can be used for analyzing the action behavior of the organism.

[0058] For example, see Figure 3 , Figure 3 A schematic diagram of the structure of a signal acquisition device provided in another embodiment of the present application. Figure 3 The signal acquisition device shown is Figure 1 Compared with the signal acquisition device shown, Figure 3 The signal acquisition device shown also includes two second electrodes (an eye electrode and a mandibular muscle electrode). In the embodiment of the present application, the first reference electrode can form a lead with the eye electrode, and the second reference electrode can form a lead with the mandibular muscle electrode.

[0059] based on Figure 3 The signal acquisition device shown in the figure, the biological signal acquisition method provided in the embodiment of the present application may further include step b in addition to step S101 and step a, which is described in detail as follows:

[0060] In step b, when it is detected that the signal collected by at least one of the multiple reference electrodes is abnormal, a biological signal is generated based on the signals collected by the multiple second electrodes, or a biological signal is generated based on the signals collected by other reference electrodes except at least one of the multiple reference electrodes and the signals collected by the second electrodes corresponding to the other reference electrodes.

[0061] In an embodiment of the present application, when the signal acquisition device detects that the signal collected by at least one reference electrode among a plurality of reference electrodes is abnormal, the signal acquisition device may select the following two methods to generate a biological signal.

[0062] The first method for generating a biological signal is to generate a biological signal based on signals collected by a plurality of second electrodes.

[0063] The second method for generating a biological signal is to generate a biological signal based on signals collected by other reference electrodes except at least one reference electrode among a plurality of reference electrodes and signals collected by a second electrode corresponding to the other reference electrodes.

[0064] In the first method of generating a biological signal, when the signal acquisition device detects that the signal collected by at least one of the plurality of reference electrodes is abnormal, the signal acquisition device can generate a sub-signal of each second electrode based on the signal collected by the second electrode and the signal collected by any second electrode other than the second electrode among the plurality of second electrodes. After the signal acquisition device performs this step, the sub-signal of each second electrode can be generated. Afterwards, the signal acquisition device can generate a biological signal based on the sub-signals of each second electrode.

[0065] by Figure 3 Taking the signal acquisition device in as an example, when the signal acquisition device detects that the signal collected by the first reference electrode is abnormal, or when the signal acquisition device detects that the signal collected by the second reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the eye electrode based on the signal collected by the eye electrode and the signal collected by the mandibular muscle electrode, and can generate a sub-signal of the mandibular muscle electrode based on the signal collected by the mandibular muscle electrode and the signal collected by the eye electrode, and finally can generate a biological signal based on the sub-signals of the eye electrode and the sub-signals of the mandibular muscle electrode.

[0066] In the second method of generating a biological signal, when the signal acquisition device detects that the signal collected by at least one of the multiple reference electrodes is abnormal, the signal acquisition device can generate a sub-signal of each other reference electrode (a reference electrode whose collected signal is normal) based on the signal collected by the other reference electrode and the signal collected by the second electrode corresponding to the other reference electrode. After the signal acquisition device performs this step, the sub-signal of each other reference electrode can be generated. After that, the signal acquisition device can generate a biological signal based on the sub-signal of each other reference electrode.

[0067] by Figure 3 Taking the signal acquisition device in as an example, when the signal acquisition device detects that the signal collected by the first reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the second reference electrode based on the signal collected by the second reference electrode and the signal collected by the mandibular muscle electrode corresponding to the second reference electrode, thereby generating a biological signal. Similarly, when the signal acquisition device detects that the signal collected by the second reference electrode is abnormal, the signal acquisition device can generate a sub-signal of the first reference electrode based on the signal collected by the first reference electrode and the signal collected by the eye electrode corresponding to the first reference electrode, thereby generating a biological signal.

[0068] Figure 3 The corresponding signal acquisition device can include three working modes, namely single-lead mode, dual-lead mode and four-lead mode. Figure 3Several working modes in the corresponding signal acquisition equipment are explained.

[0069] In the single lead mode, the signal acquisition device can generate a biological signal based on a lead consisting of a first reference electrode and a first forehead electrode, or a lead consisting of a second reference electrode and a second forehead electrode, or a lead consisting of a first forehead electrode and a second forehead electrode, or a lead consisting of an eye electrode and a mandibular muscle electrode. In practical applications, the signal acquisition device can generate a biological signal based on a lead consisting of a first reference electrode and a first forehead electrode, or a lead consisting of a second forehead electrode, or a lead consisting of a second eye electrode and a mandibular muscle electrode. Figure 3 The working mode of the corresponding signal acquisition device is set to single-lead mode.

[0070] In the dual-lead mode, the signal acquisition device can generate biological signals based on the lead consisting of the first reference electrode and the first forehead electrode, and the lead consisting of the second reference electrode and the second forehead electrode. In practical applications, the signal acquisition device can generate biological signals based on the lead consisting of the first reference electrode and the first forehead electrode, and the second reference electrode and the second forehead electrode. Figure 3 The working mode of the corresponding signal acquisition device is set to the dual-lead mode. At this time, the signal acquisition device can obtain the EEG data of the organism, but cannot analyze the movement behavior of the organism.

[0071] In the four-lead mode, the signal acquisition device can generate biological signals based on the lead consisting of the first reference electrode and the first forehead electrode, the lead consisting of the second reference electrode and the second forehead electrode, the lead consisting of the first reference electrode and the eye electrode, and the lead consisting of the second reference electrode and the mandibular muscle electrode. In practical applications, the signal acquisition device can obtain electrooculogram signals and mandibular muscle electrogram signals when it is necessary and the signals collected by each reference electrode are normal. Figure 3 The corresponding signal acquisition device is set to work in a four-lead mode. At this time, the signal acquisition device can not only obtain the EEG data of the organism, but also analyze the movement behavior of the organism.

[0072] Based on the biological signal acquisition method provided in the above embodiment, the present application further provides a biological signal acquisition device for implementing the above method embodiment, please refer to Figure 4 , Figure 4 This is a schematic diagram of the structure of a biological signal acquisition device provided in an embodiment of the present application. Figure 4 As shown, the bio-signal acquisition device 40 can be applied to a signal acquisition device, the signal acquisition device includes a plurality of reference electrodes and a plurality of first electrodes, each first electrode and a corresponding reference electrode form a lead; the bio-signal acquisition device can include a first bio-signal generating unit 41. Among them:

[0073] The first biological signal generating unit 41 is used to generate a biological signal according to the signals collected by the plurality of first electrodes when it is detected that the signal collected by at least one reference electrode among the plurality of reference electrodes is abnormal.

[0074] Optionally, the biological signal acquisition device 40 may further include a second biological signal generating unit.

[0075] The second biological signal generating unit may be used for:

[0076] A biological signal is generated based on signals collected by other reference electrodes except at least one reference electrode among the plurality of reference electrodes and signals collected by the first electrode corresponding to the other reference electrodes.

[0077] Optionally, the second biological signal generating unit is specifically used for:

[0078] For each other reference electrode, generating a sub-signal of the other reference electrode according to the signal collected by the other reference electrode and the signal collected by the first electrode corresponding to the other reference electrode;

[0079] Based on the sub-signals of each of the other reference electrodes, a biosignal is generated.

[0080] Optionally, the plurality of reference electrodes in the signal acquisition device include a first reference electrode and a second reference electrode, and the plurality of first electrodes in the signal acquisition device include a first forehead electrode corresponding to the first reference electrode, and a second forehead electrode corresponding to the second reference electrode.

[0081] Optionally, the signal acquisition device further includes a plurality of second electrodes, each second electrode and a corresponding reference electrode form a lead, and the setting area of ​​the plurality of second electrodes on the biological body is different from the setting area of ​​the plurality of first electrodes on the biological body; the biological signal acquisition device may further include a third biological signal generating unit. Among them:

[0082] The third biological signal generating unit may be used for:

[0083] When it is detected that the signal collected by at least one reference electrode among several reference electrodes is abnormal, a biological signal is generated based on the signals collected by several second electrodes, or a biological signal is generated based on the signals collected by other reference electrodes except at least one reference electrode among the several reference electrodes and the signals collected by the second electrodes corresponding to the other reference electrodes.

[0084] Optionally, the several reference electrodes in the signal acquisition device include a first reference electrode and a second reference electrode, and the several second electrodes in the signal acquisition device include an eye electrode corresponding to the first reference electrode, and a mandibular muscle electrode corresponding to the second reference electrode.

[0085] Optionally, the first bio-signal generating unit 41 is specifically used for:

[0086] For each first electrode, generating a sub-signal of the first electrode according to a signal collected by the first electrode and a signal collected by any electrode other than the first electrode among the plurality of first electrodes;

[0087] A biosignal is generated based on the sub-signal of each first electrode.

[0088] See also Figure 5 , Figure 5 This is a schematic diagram of the structure of a signal acquisition device provided in an embodiment of the present application. Figure 5 As shown, the signal acquisition device 5 provided in this embodiment may include: a processor 50, a memory 51, and a computer program 52 stored in the memory 51 and executable on the processor 50, such as a program corresponding to the method for acquiring biological signals. When the processor 50 executes the computer program 52, the steps in the above-mentioned method for acquiring biological signals are implemented, such as Figure 2 Alternatively, when the processor 50 executes the computer program 52, the functions of each module / unit in the above-mentioned biological signal acquisition device embodiment are realized, for example Figure 4 The functionality of the unit 41 is shown.

[0089] Exemplarily, the computer program 52 may be divided into one or more modules / units, one or more modules / units are stored in the memory 51, and are executed by the processor 50 to complete the present application. One or more modules / units may be a series of computer program instruction segments that can complete specific functions, and the instruction segments are used to describe the execution process of the computer program 52 in the signal acquisition device 5. For example, the computer program 52 may be divided into the first bio-signal generating unit 41, and the specific functions of each unit may be referred to in Figure 4 The relevant descriptions in the corresponding embodiments are not repeated here.

[0090] Those skilled in the art will understand that Figure 5 It is only an example of the signal acquisition device 5 and does not constitute a limitation of the signal acquisition device 5. The signal acquisition device 5 may include more or less components than shown in the figure, or a combination of certain components, or different components.

[0091] The processor 50 may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or any conventional processor, etc.

[0092] The memory 51 may be an internal storage unit of the signal acquisition device 5, such as a hard disk or memory of the signal acquisition device 5. The memory 51 may also be an external storage device of the signal acquisition device 5, such as a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, or a flash card, etc., equipped on the signal acquisition device 5. Further, the memory 51 may also include both an internal storage unit and an external storage device of the signal acquisition device 5. The memory 51 is used to store computer programs and other programs and data required by the signal acquisition device. The memory 51 may also be used to temporarily store data that has been output or is to be output.

[0093] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional units is used as an example for illustration. In actual applications, the above-mentioned functions can be assigned to different functional units as needed, that is, the internal structure of the biological signal acquisition device can be divided into different functional units to complete all or part of the functions described above. The functional units in the embodiment can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or in the form of software functional units. In addition, the specific names of the functional units are only for the convenience of distinguishing each other, and are not used to limit the scope of protection of this application. The specific working process of the units in the above-mentioned system can refer to the corresponding process in the aforementioned method embodiment, which will not be repeated here.

[0094] An embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored. When the computer program is executed by a processor, the steps in the above-mentioned method embodiments can be implemented.

[0095] An embodiment of the present application provides a computer program product. When the computer program product is executed on a terminal device, the terminal device implements the steps in the above-mentioned various method embodiments.

[0096] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0097] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0098] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A method for acquiring a biological signal, characterized in that: Applied to a signal acquisition device, the signal acquisition device comprises a plurality of reference electrodes and a plurality of first electrodes, each of the first electrodes and a corresponding reference electrode form a lead; the method comprises: When it is detected that the signal collected by at least one of the plurality of reference electrodes is abnormal, a biological signal is generated according to the signals collected by the plurality of first electrodes.

2. The method according to claim 1, characterized in that When it is detected that the signal collected by at least one of the plurality of reference electrodes is abnormal, the method further includes: The biological signal is generated according to the signals collected by other reference electrodes among the plurality of reference electrodes except the at least one reference electrode and the signals collected by the first electrode corresponding to the other reference electrodes.

3. The method according to claim 2, characterized in that The generating the biological signal according to the signals collected by other reference electrodes among the plurality of reference electrodes except the at least one reference electrode and the signals collected by the first electrode corresponding to the other reference electrodes comprises: For each of the other reference electrodes, generating a sub-signal of the other reference electrode according to a signal collected by the other reference electrode and a signal collected by the first electrode corresponding to the other reference electrode; The biosignal is generated based on the sub-signal of each of the other reference electrodes.

4. The method according to claim 2, characterized in that: The plurality of reference electrodes include a first reference electrode and a second reference electrode, and the plurality of first electrodes include a first forehead electrode corresponding to the first reference electrode, and a second forehead electrode corresponding to the second reference electrode.

5. The method according to claim 1, characterized in that The signal acquisition device further comprises a plurality of second electrodes, each of the second electrodes and a corresponding reference electrode forming a lead, and the arrangement area of ​​the plurality of second electrodes on the biological body is different from the arrangement area of ​​the plurality of first electrodes on the biological body; The method further comprises: When it is detected that the signal collected by at least one of the several reference electrodes is abnormal, the biological signal is generated based on the signals collected by the several second electrodes, or the biological signal is generated based on the signals collected by other reference electrodes among the several reference electrodes except the at least one reference electrode and the signals collected by the second electrodes corresponding to the other reference electrodes.

6. The method according to claim 5, characterized in that The plurality of reference electrodes include a first reference electrode and a second reference electrode, and the plurality of second electrodes include an eye electrode corresponding to the first reference electrode, and a mandibular muscle electrode corresponding to the second reference electrode.

7. The method according to any one of claims 1 to 6, characterized in that: The step of generating a biological signal according to the signals collected by the plurality of first electrodes comprises: For each of the first electrodes, generating a sub-signal of the first electrode according to a signal collected by the first electrode and a signal collected by any electrode other than the first electrode among the plurality of first electrodes; The biosignal is generated according to the sub-signal of each of the first electrodes.

8. A biological signal acquisition device, characterized in that: Applied to a signal acquisition device, the signal acquisition device comprises a plurality of reference electrodes and a plurality of first electrodes, each of the first electrodes and a corresponding reference electrode forming a lead; the device comprises: The first biological signal generating unit is used to generate a biological signal according to the signals collected by the plurality of first electrodes when it is detected that the signal collected by at least one reference electrode among the plurality of reference electrodes is abnormal.

9. A signal acquisition device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, each step in the method for acquiring a biological signal according to any one of claims 1 to 7 is implemented.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, each step in the biological signal acquisition method according to any one of claims 1 to 7 is implemented.

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