A method and device for identifying eye point position

Abstract

The present invention discloses a method and device for identifying eye point positions, which determines whether a vehicle enters a driving state; if the vehicle enters a driving state, the seat height, seat angle, and lateral distance between the seat and the footrest are obtained; the eye point position of the passenger is determined according to the seat height, seat angle, lateral distance, and a preset eye point database; wherein the eye point database is a functional relationship between the hip point height and the eye point position for different passenger heights. In this way, the eye point position of the passenger can be determined based on the existing hardware system of the vehicle, providing a design basis and adjustment basis for intelligent equipment, while saving computing power costs.

Description

Technical Field

[0001] The present invention relates to the field of vehicle control technology, and in particular to a method and device for identifying eye point positions. Background Art

[0002] As vehicles become more and more intelligent, more and more intelligent equipment is emerging, among which related devices need to identify the driver's eye information, such as fatigue detection systems, adaptive screens, eye tracking devices, etc. However, due to the large differences between individual passengers, the current eye recognition method mainly relies on cameras or image acquisition and positioning.

[0003] On the one hand, this recognition method requires the addition of relevant hardware equipment, and on the other hand, deep recognition technology requires complex algorithms to ensure accuracy, which makes the cost high and the recognition accuracy limited. Summary of the invention

[0004] In view of the above problems, the present invention is proposed to provide a method and device for identifying eye point positions, which can determine the eye point positions of passengers based on the existing hardware system of the vehicle, while ensuring the accuracy of eye point position recognition and saving computing power costs.

[0005] According to a first aspect of the present invention, there is provided a method for identifying an eye point position, comprising:

[0006] Determine whether the vehicle is in driving state;

[0007] If the vehicle enters the driving state, the seat height, seat angle and lateral distance between the seat and the footrest are obtained;

[0008] The eye point position of the passenger is determined according to the seat height, seat angle, lateral distance and a preset eye point database; wherein the eye point database is a functional relationship between the hip point height and the eye point position for different passenger heights.

[0009] Optionally, judging whether the vehicle enters the driving state includes:

[0010] Get the gear status of the vehicle;

[0011] If the gear position is D or R, the vehicle enters the driving state.

[0012] Optionally, the eye point position of the passenger is determined according to the seat height, seat angle, lateral distance and a preset eye point database, including:

[0013] According to the seat height and lateral distance, the objective function relationship is determined from the functional relationship of different passenger heights;

[0014] According to the relationship between seat height, seat angle and objective function, the passenger's eye point position is determined.

[0015] Optionally, the functional relationship includes a first sub-functional relationship;

[0016] According to the seat height and lateral distance, the objective function relationship is determined from the functional relationship of different passenger heights, including:

[0017] According to the seat height, the first sub-function relationship of different passenger heights is substituted into the eye point database to obtain multiple matching distances;

[0018] According to the lateral distance, a target distance and a first sub-function relationship corresponding to the target distance are determined from a plurality of matching distances;

[0019] According to the first sub-function relationship corresponding to the target distance, the target function relationship is determined from the function relationships of different passenger heights.

[0020] Optionally, the functional relationship includes a first sub-function sub-relationship, a second function sub-relationship, and a third function sub-relationship;

[0021] According to the seat height, seat angle and objective function relationship, the passenger's eye point position is determined, including:

[0022] Determine a first lateral distance according to the seat height and the first functional sub-relationship;

[0023] Determine a second lateral distance according to the seat angle and the second functional sub-relationship;

[0024] According to the seat angle and the third function sub-relationship, the longitudinal height is determined;

[0025] The eye point position of the passenger is determined according to the seat height, the longitudinal height, the first lateral distance and the second lateral distance.

[0026] Optionally, determining the eye point position of the passenger according to the seat height, the longitudinal height, the first lateral distance, and the second lateral distance includes:

[0027] Determine the vertical height of the eye point from the footrest point based on the seat height and vertical height;

[0028] The lateral distance between the eye point and the foot point is determined according to the first lateral distance and the second lateral distance.

[0029] Optionally, the method further includes:

[0030] Get the steering wheel position and instrument position;

[0031] Determine the upper and lower visible boundaries based on the steering wheel position and instrument position;

[0032] If the eye point position is not on the center bisector of the upper and lower visual boundaries, the vertical height of the eye point is corrected so that the eye point position is on the center bisector of the upper and lower visual boundaries.

[0033] According to a second aspect of the present invention, there is provided a device for identifying an eye point position, comprising:

[0034] A judgment module, used to judge whether the vehicle enters the driving state;

[0035] An acquisition module, used for acquiring the seat height, seat angle and lateral distance between the seat and the footrest point if the vehicle enters the driving state;

[0036] The recognition module is used to determine the passenger's eye point position based on the seat height, seat angle, lateral distance and a preset eye point database; wherein the eye point database is a functional relationship between the hip point height and the eye point position for different passenger heights.

[0037] According to a third aspect of the present invention, a controller is provided, the controller comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the aforementioned method for identifying an eye point position.

[0038] According to a fourth aspect of the present invention, a vehicle is provided, the vehicle comprising a vehicle body and a controller installed in the vehicle body, wherein the controller executes the aforementioned method for identifying an eye point position.

[0039] The above one or more technical solutions in the embodiments of this specification have at least the following technical effects:

[0040] The embodiments of this specification provide a method and device for identifying eyepoint positions, which determines whether a vehicle is in driving mode; if the vehicle is in driving mode, the seat height, seat angle and lateral distance between the seat and the footrest are obtained; the eyepoint position of the passenger is determined based on the seat height, seat angle, lateral distance and a preset eyepoint database; in this way, the eyepoint position of the passenger can be determined based on the existing hardware system of the vehicle, providing a design basis and adjustment basis for intelligent equipment, while saving computing power costs.

[0041] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference figures are used to represent the same parts throughout the accompanying drawings.

[0043] In the attached picture:

[0044] Figure 1 A flow chart of a method for identifying eye point positions in an embodiment of the present invention is shown.

[0045] Figure 2 A schematic diagram showing the relative position relationship between the passenger's H point and the eye point in an embodiment of the present invention is shown.

[0046] Figure 3 A schematic diagram of the center line of the instrument field of view in an embodiment of the present invention is shown.

[0047] Figure 4 A schematic diagram of adjusting the field of view of the sun visor in an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0049] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0051] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] The embodiment of the present invention provides a method for identifying the position of an eye point, combining Figure 1 As shown in the flowchart, the method for identifying the eye point position includes steps 101 to 103:

[0053] Step 101: Determine whether the vehicle is in driving state;

[0054] In this embodiment, the method for identifying the eye point position can be performed by a controller in the vehicle, which is a controller or control unit installed in the vehicle body. When executing this method, it is first necessary to determine whether the vehicle is in a driving state. Only when the vehicle is in a driving state will the step of eye point recognition continue. If the vehicle is not in a driving state, the subsequent recognition steps will not be performed.

[0055] The driving state refers to the state in which the vehicle is or is about to be in driving. The steps of determining whether the vehicle is in the driving state may include:

[0056] Get the gear status of the vehicle;

[0057] If the gear position is D or R, the vehicle enters the driving state.

[0058] Among them, there are four common gear states of vehicles, namely parking gear P gear, neutral gear N gear, forward gear D gear and reverse gear R gear. The controller will obtain the gear state of the vehicle and make a judgment based on the gear state. If the gear state of the vehicle is D gear or R gear, it means that the vehicle is in driving state, the passengers have adjusted their sitting posture, and the controller can identify the eye point position. If the gear state of the vehicle is P gear or N gear, it means that the vehicle is not in driving state, for example, the vehicle may be parked on the side of the road or the vehicle may be parked and waiting. In these scenarios, the controller may have completed the recognition of the eye point position, or there is no need to perform eye point position recognition.

[0059] Step 102: If the vehicle enters the driving state, the seat height, the seat angle, and the lateral distance between the seat and the footrest are obtained;

[0060] In this embodiment, when it is determined that the vehicle has entered the driving state, it means that the passenger's eye position needs to be recognized. Figure 2 , Figure 3 As shown, when identifying the eye point position, the seat height H1, the seat angle A, and the lateral distance L1 between the seat and the footrest point need to be obtained first. The above data are measurable.

[0061] It should be noted that although different passengers have different heights, after the passenger is adjusted on the seat, the adjusted seat height H1 can be roughly regarded as the height of the passenger's hip point H. After the seat is adjusted forward and backward, the distance from the footrest to the H point on the X axis is the lateral distance L1. The angle between the seat back and the seat bottom is the seat angle.

[0062] These data can be measured when a passenger adjusts his or her sitting position in the seat.

[0063] Step 103: Determine the eye point position of the passenger according to the seat height, seat angle, lateral distance and a preset eye point database; wherein the eye point database is a functional relationship between the hip point height and the eye point position for different passenger heights.

[0064] Among them, the eye point database includes the functional relationship between the hip point and the eye point position of people of different heights. This embodiment takes into account the height range of most passengers. For example, the height range of passengers can be set to 1.5 meters to 1.9 meters. This height range can cover the height of most passengers. Within this range, for each specific height value that needs to establish a functional relationship, this embodiment will perform a large number of population statistics to determine some typical characteristics of the height personnel. For example, the height of the hip point.

[0065] It is not difficult to understand that in the eye point database, the functional relationship between the hip point and the eye point position may be different for passengers of different heights. When the passenger sits on the seat, the controller can obtain the seat height, lateral distance and seat angle, but the controller does not know the passenger's actual height. Therefore, it is necessary to use the above data to infer the passenger's height, so as to determine the target functional relationship in different functional relationships, so as to finally determine the eye point position. In an optional embodiment, the step of determining the eye point may include:

[0066] According to the seat height and lateral distance, the objective function relationship is determined from the functional relationship of different passenger heights;

[0067] According to the relationship between seat height, seat angle and objective function, the passenger's eye point position is determined.

[0068] Specifically, the functional relationship includes a first sub-function relationship, a second sub-function relationship, and a third sub-function relationship. It should be noted that the first sub-function relationship, the second sub-function relationship, and the third sub-function relationship corresponding to each passenger height are obtained by statistically testing a large number of people of the same height, firstly measuring the corresponding first lateral distance, second lateral distance, seat height, and longitudinal height, and then fitting the first sub-function relationship, the second sub-function relationship, and the third sub-function relationship based on the measured data. According to experimental statistics, the first sub-function relationship, the second sub-function relationship, and the third sub-function relationship obtained by fitting are mostly quadratic functions.

[0069] The objective function relationship is determined from a large number of function relationships. The passenger height corresponding to the objective function relationship is theoretically closest to the passenger's actual height. Among them, for a certain passenger height, the first sub-function relationship is used to represent the relationship between the seat height H1 and the first lateral distance L1 obtained based on statistical experiments. The second sub-function relationship is used to represent the relationship between the seat angle and the second lateral distance L2 obtained based on statistical experiments. The third sub-function relationship is used to represent the relationship between the seat angle and the longitudinal height H2 obtained based on statistical experiments.

[0070] refer to Figure 2 As shown, in this embodiment, the vehicle body coordinate system is established with the footrest point as the origin, the X axis represents the lateral direction, and the Z axis represents the longitudinal direction. The first lateral distance L1 mentioned above refers to the lateral distance on the X axis from the H point to the footrest point calculated by the first functional relationship; the second lateral distance L2 refers to the lateral distance on the X axis from the eye point to the H point calculated by the second functional relationship; the longitudinal height H2 refers to the longitudinal height on the Z axis from the eye point to the H point calculated by the third functional relationship.

[0071] In an optional implementation, the step of determining the objective function relationship may include:

[0072] According to the seat height, the first sub-function relationship of different passenger heights is substituted into the eye point database to obtain multiple matching distances;

[0073] According to the lateral distance, a target distance and a first sub-function relationship corresponding to the target distance are determined from a plurality of matching distances;

[0074] According to the first sub-function relationship corresponding to the target distance, the target function relationship is determined from the function relationships of different passenger heights.

[0075] Among them, after the controller obtains the seat height, the seat height can be brought into the first sub-function relationship in all function relationships respectively, which is equivalent to traversing the first sub-function relationship corresponding to all heights, so as to calculate multiple matching distances. The controller also obtains the actual lateral distance between the passenger's crotch point and the footrest point, and by comparing the obtained lateral distance with each matching distance, the matching distance closest to the lateral distance is determined, and the matching distance is used as the target distance. Then the first sub-function relationship corresponding to the target distance can be obtained, and then the corresponding function relationship can be determined, which is the target function relationship. The first lateral distance obtained by the target function relationship is closest to the actual measured lateral distance, which can be understood as the height corresponding to the target function relationship is the closest to the actual passenger. The eye point position is solved by other sub-function relationships in the target function relationship, and the result obtained is also the closest to the actual eye point position.

[0076] In an optional implementation, the step of determining the eye point position of the passenger may include:

[0077] Determine a first lateral distance L1 according to the seat height and the first functional sub-relationship;

[0078] Determine and obtain a second lateral distance L2 according to the seat angle and the second functional sub-relationship;

[0079] According to the seat angle and the third functional sub-relationship, the longitudinal height H2 is determined;

[0080] The eye point position of the passenger is determined according to the seat height, the longitudinal height, the first lateral distance and the second lateral distance.

[0081] In this embodiment, combined with Figure 2 As shown, in the vehicle body coordinate system established with the footrest as the origin, the lateral distance of the eye point on the X axis can be regarded as the sum of the first lateral distance L1 and the second lateral distance L2, that is, the lateral distance of the eye point from the footrest is determined based on the first lateral distance and the second lateral distance. Correspondingly, the longitudinal height of the eye point on the Z axis can be regarded as the sum of the seat height H1 and the longitudinal height H2, that is, the longitudinal height of the eye point from the footrest is determined based on the seat height and the longitudinal height. The eye point position in the vehicle body coordinate system can be determined by the lateral distance of the eye point and the longitudinal height of the eye point.

[0082] In addition, considering that the passenger will adjust the instrument to the center of the visual area of ​​the steering wheel when driving, after determining the eye point position according to the objective function relationship, this embodiment can also use the steering wheel position and the instrument position to further correct the eye point position.

[0083] In an optional implementation, the correction step may include:

[0084] Get the steering wheel position and instrument position;

[0085] Determine the upper and lower visible boundaries based on the steering wheel position and instrument position;

[0086] If the eye point position is not on the center bisector of the upper and lower visual boundaries, the vertical height of the eye point is corrected until the eye point position is on the center bisector of the upper and lower visual boundaries.

[0087] Combination Figure 3 As shown, the controller can obtain the steering wheel position and the instrument position, and then determine the upper and lower visible boundaries 22 and 23 of the instrument. Further, the center bisector 24 of the upper visible boundary 22 and the lower visible boundary 23 is taken. In order to ensure the visual effect of the passenger on the instrument panel, the passenger's eye point will fall on the center bisector 24. Therefore, the eye point position obtained above and the center bisector 24 can be combined for comparison and correction. If the eye point position coincides with the center bisector 24, no correction is required. If not, it is fitted to the center bisector 24.

[0088] Also, see Figure 4 Based on the above steps, after obtaining the passenger eye point position, the controller can also calculate the corresponding sunshade angle B, including the sunshade angle B1 when the sun visor is in the initial position, and the optimal sunshade angle B2 at the optimal target position (this angle can be calibrated in advance by the evaluation method). If B1=B2, the sun visor device is not driven to move forward along the direction of the roof. If B1>B2, the sun visor device is driven to move forward along the direction of the roof until the sunshade angle is equal to the B2 position. If B2>B1, the sun visor device is driven to move backward along the direction of the roof until the sunshade angle is equal to the B2 position.

[0089] In summary, the embodiment of this specification provides a method for identifying the eye point position, which determines whether the vehicle is in a driving state; if the vehicle is in a driving state, the seat height, seat angle and lateral distance between the seat and the footrest are obtained; the passenger's eye point position is determined based on the seat height, seat angle, lateral distance and a preset eye point database; in this way, the passenger's eye point position can be determined based on the vehicle's existing hardware system, providing a design basis and adjustment basis for intelligent equipment, while saving computing power costs.

[0090] Based on the same inventive concept, an embodiment of the present invention further provides a device for identifying an eye point position, comprising:

[0091] A judgment module, used to judge whether the vehicle enters the driving state;

[0092] An acquisition module, used for acquiring the seat height, seat angle and lateral distance between the seat and the footrest point if the vehicle enters the driving state;

[0093] The recognition module is used to determine the passenger's eye point position based on the seat height, seat angle, lateral distance and a preset eye point database; wherein the eye point database is a functional relationship between the hip point height and the eye point position for different passenger heights.

[0094] In an optional implementation manner, the judgment module is further used to:

[0095] Get the gear status of the vehicle;

[0096] If the gear position is D or R, the vehicle enters the driving state.

[0097] In an optional implementation, the identification module is further used for:

[0098] According to the seat height and lateral distance, the objective function relationship is determined from the functional relationship of different passenger heights;

[0099] The seat height, seat angle and objective function are used to determine the passenger's eye point position.

[0100] In an optional implementation, the identification module is further used for:

[0101] According to the seat height, the first sub-function relationship of different passenger heights is substituted into the eye point database to obtain multiple matching distances;

[0102] According to the lateral distance, a target distance and a first sub-function relationship corresponding to the target distance are determined from a plurality of matching distances;

[0103] According to the first sub-function relationship corresponding to the target distance, the target function relationship is determined from the function relationships of different passenger heights.

[0104] In an optional implementation, the identification module is further used for:

[0105] The seat height, seat angle and objective function relationship are used to determine the passenger's eye point position, including:

[0106] Determine a first lateral distance according to the seat height and the first functional sub-relationship;

[0107] Determine a second lateral distance according to the seat angle and the second functional sub-relationship;

[0108] According to the seat angle and the third function sub-relationship, the longitudinal height is determined;

[0109] The eye point position of the passenger is determined according to the seat height, the longitudinal height, the first lateral distance and the second lateral distance.

[0110] In an optional implementation, the identification module is further used for:

[0111] Determine the vertical height of the eye point from the footrest point based on the seat height and vertical height;

[0112] The lateral distance between the eye point and the foot point is determined according to the first lateral distance and the second lateral distance.

[0113] In an optional implementation, the identification module is further used for:

[0114] Get the steering wheel position and instrument position;

[0115] Determine the upper and lower visible boundaries based on the steering wheel position and instrument position;

[0116] If the eye point position is not on the center bisector of the upper and lower visual boundaries, the vertical height of the eye point is corrected until the eye point position is on the center bisector of the upper and lower visual boundaries.

[0117] In summary, the embodiment of this specification provides an eye point position identification device, which determines whether the vehicle is in driving state; if the vehicle is in driving state, the seat height, seat angle and lateral distance between the seat and the footrest are obtained; the passenger's eye point position is determined based on the seat height, seat angle, lateral distance and a preset eye point database; in this way, the passenger's eye point position can be determined based on the vehicle's existing hardware system, providing a design basis and adjustment basis for intelligent equipment, while saving computing power costs.

[0118] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the device for identifying the eye point position described above can refer to the corresponding process in the aforementioned method, and will not be described in detail here.

[0119] According to a third aspect of the present invention, a controller is provided, which includes an eye point position identification device, a memory, a processor and a communication unit, the memory stores machine-readable instructions executable by the processor, when the controller is running, the processor and the memory communicate via a bus, the processor executes the machine-readable instructions, and executes the method for identifying the eye point position.

[0120] The memory, the processor, and the communication unit are electrically connected to each other directly or indirectly to achieve signal transmission or interaction. For example, these elements can be electrically connected to each other through one or more communication buses or signal lines. The device for identifying the eye point position includes at least one software function module that can be stored in the memory in the form of software or firmware. The processor is used to execute the executable module stored in the memory (for example, the software function module or computer program included in the device for identifying the eye point position).

[0121] Among them, the memory can be, but is not limited to, random access memory (Random Access Memory, RAM), read only memory (Read Only Memory, ROM), programmable read-only memory (Programmable Read-Only Memory, PROM), erasable programmable read-only memory (Erasable Programmable Read-Only Memory, EPROM), electrically erasable read-only memory (Electric Erasable Programmable Read-Only Memory, EEPROM), etc.

[0122] In some embodiments, the processor is used to perform one or more functions described in this embodiment. In some embodiments, the processor may include one or more processing cores (eg, a single-core processor (S) or a multi-core processor (S)).

[0123] In this embodiment, the memory is used to store the program, and the processor is used to execute the program after receiving the execution instruction. The process definition method disclosed in any implementation of this embodiment can be applied to the processor, or implemented by the processor.

[0124] The communication unit is used to establish a communication connection between the controller and other devices through the network, and to send and receive data through the network.

[0125] In summary, a controller provided in an embodiment of the present specification determines whether the vehicle is in driving state; if the vehicle is in driving state, the seat height, seat angle and lateral distance between the seat and the footrest are obtained; the eye point position of the passenger is determined according to the seat height, seat angle, lateral distance and a preset eye point database; in this way, the eye point position of the passenger can be determined based on the existing hardware system of the vehicle, providing a design basis and adjustment basis for intelligent equipment, while saving computing power costs.

[0126] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the controller described above can refer to the corresponding process in the aforementioned method, and will not be elaborated here.

[0127] According to a fourth aspect of the present invention, there is provided a vehicle, comprising a vehicle body and a controller installed in the vehicle body, wherein the controller is used to implement the aforementioned method for identifying an eye point position.

[0128] In summary, a vehicle provided in an embodiment of the present specification has a controller in the vehicle that determines whether the vehicle is in a driving state; if the vehicle is in a driving state, the seat height, seat angle, and lateral distance between the seat and the footrest are obtained; the eye point position of the passenger is determined based on the seat height, seat angle, lateral distance, and a preset eye point database; in this way, the eye point position of the passenger can be determined based on the existing hardware system of the vehicle, providing a design basis and adjustment basis for intelligent equipment, while saving computing power costs.

[0129] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the controller described above can refer to the corresponding process in the aforementioned method, and will not be elaborated here.

[0130] The above are only various embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A method for identifying eye point positions, characterized in that: include: Determine whether the vehicle is in driving state; If the vehicle enters a driving state, the seat height, the seat angle, and the lateral distance between the seat and the footrest are obtained; Determine a first lateral distance according to the seat height and the first functional sub-relationship; Determining a second lateral distance according to the seat angle and the second functional sub-relationship; Determine the longitudinal height according to the seat angle and the third functional sub-relationship; Determine the eye point position of the passenger according to the seat height, the longitudinal height, the first lateral distance, and the second lateral distance; The first horizontal distance represents the horizontal distance from the passenger's hip point to the footrest point on the X axis; the second horizontal distance represents the horizontal distance from the eye point to the passenger's hip point on the X axis; the vertical height represents the vertical height from the eye point to the passenger's hip point on the Z axis; The first function sub-relationship is the relationship between the seat height and the first lateral distance obtained based on statistical experimental fitting, the second function sub-relationship is the relationship between the seat angle and the second lateral distance obtained based on statistical experimental fitting, and the third function sub-relationship is the relationship between the seat angle and the longitudinal height obtained based on statistical experimental fitting.

2. The method according to claim 1, characterized in that: The determining whether the vehicle enters the driving state includes: Get the gear status of the vehicle; If the gear state is D gear or R gear, the vehicle enters the driving state.

3. The method according to claim 1, characterized in that The step of determining the eye point position of the passenger according to the seat height, the longitudinal height, the first lateral distance, and the second lateral distance comprises: Determine the eye point longitudinal height from the footrest point according to the seat height and the longitudinal height; The eye point lateral distance between the eye point and the foot point is determined according to the first lateral distance and the second lateral distance.

4. The method according to claim 1, characterized in that: The method further comprises: Get the steering wheel position and instrument position; Determining upper and lower visible boundaries according to the steering wheel position and instrument position; If the eye point position is not on the center bisector of the upper and lower visible boundaries, the vertical height of the eye point is corrected so that the eye point position is on the center bisector of the upper and lower visible boundaries.

5. A device for identifying eye point position, characterized in that: The device for identifying eye point positions is used to execute the method for identifying eye point positions according to any one of claims 1 to 4, comprising: A judgment module, used to judge whether the vehicle enters the driving state; an acquisition module, for acquiring the seat height, the seat angle, and the lateral distance between the seat and the footrest point if the vehicle enters a driving state; The identification module is used to determine the eye point position of the passenger according to the seat height, the seat angle, the lateral distance and a preset eye point database; wherein the eye point database is a functional relationship between the hip point height and the eye point position for different passenger heights.

6. A controller, characterized in that: The controller comprises: a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the method for identifying the eye point position according to any one of claims 1 to 4 when executing the computer program.

7. A vehicle, characterized in that: The vehicle comprises a vehicle body and a controller installed in the vehicle body, wherein the controller executes the method for identifying an eye point position as described in any one of claims 1-4.

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