CN111873929A - Vehicle-mounted HUD projection automatic adjustment method and system and automobile - Google Patents
Vehicle-mounted HUD projection automatic adjustment method and system and automobile Download PDFInfo
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- CN111873929A CN111873929A CN202010468564.3A CN202010468564A CN111873929A CN 111873929 A CN111873929 A CN 111873929A CN 202010468564 A CN202010468564 A CN 202010468564A CN 111873929 A CN111873929 A CN 111873929A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/037—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for occupant comfort, e.g. for automatic adjustment of appliances according to personal settings, e.g. seats, mirrors, steering wheel
Abstract
The invention discloses an automatic adjusting method for vehicle-mounted HUD projection, which comprises the following steps: when the starting of a vehicle is detected, acquiring driver identity information through an identity recognition system arranged on the vehicle; inquiring driver archived information matched with the driver identity information in a prestored database, wherein the driver archived information at least comprises sight line focus position data; according to the received sending instruction, sending the sight line focus position data in the current driver archived information to the vehicle-mounted HUD; and the vehicle-mounted HUD reads the sight line focal position data and automatically synchronizes the projection coordinates of the vehicle-mounted HUD into the sight line focal position data. The invention can solve the problem that the projection coordinate of the conventional vehicle-mounted HUD can only be adjusted through manual control of the vehicle-mounted HUD.
Description
Technical Field
The invention relates to the technical field of automobile production, in particular to a vehicle-mounted HUD projection automatic adjusting method and system and an automobile.
Background
With the continuous progress of technology, Head Up Display (HUD) is beginning to be applied to the field of automobile technology. At present, the vehicle-mounted HUD can display road condition information, navigation information and the like in real time, and help a driver to know various information in time in the driving process. In the on-vehicle field, along with on-vehicle electronic system's development, the information that the instrument desk need synthesize and show is more and more, and man-machine efficiency is more and more taken into account, and the promotion of driving comfort level and experience sense becomes one of research and development direction.
The angle of the existing vehicle-mounted HUD is mainly adjusted manually, namely the projection coordinate of the vehicle-mounted HUD is adjusted by controlling an adjusting knob of the vehicle-mounted HUD, and when a vehicle is used by multiple people, each driver needs to adjust the vehicle-mounted HUD to the appropriate projection coordinate; when the driving posture needs to be adjusted after long-time driving, the vehicle-mounted HUD is required to be adjusted in angle, otherwise, the projection position of the vehicle-mounted HUD is not consistent with the sight focus position and cannot be used, so that the vehicle-mounted HUD is very troublesome to use, and the driving safety is even influenced.
Disclosure of Invention
The invention aims to provide an automatic vehicle-mounted HUD projection adjusting method, which solves the problem that projection coordinates of the existing vehicle-mounted HUD can only be adjusted through manual control.
An automatic adjustment method for vehicle-mounted HUD projection is characterized by comprising the following steps:
when the starting of a vehicle is detected, acquiring driver identity information through an identity recognition system arranged on the vehicle;
inquiring driver archived information matched with the driver identity information in a prestored database, wherein the driver archived information at least comprises sight line focus position data;
according to the received sending instruction, sending the sight line focus position data in the current driver archived information to the vehicle-mounted HUD;
and the vehicle-mounted HUD reads the sight line focal position data and automatically synchronizes the projection coordinates of the vehicle-mounted HUD into the sight line focal position data.
According to the automatic adjustment method for the vehicle-mounted HUD projection, disclosed by the invention, the identity information of a driver is acquired through an identity recognition system, corresponding driver archived information is inquired in a prestored database, the sight line focus position data of the driver information is sent to the vehicle-mounted HUD, and the vehicle-mounted HUD automatically synchronizes projection coordinates into the sight line focus position data after reading the sight line focus position data; when the vehicle was used by many people, current driver's identity information can be gathered to identity identification system to current driver's information of filing is inquired in the database that prestores, thereby gives on-vehicle HUD with sight focus position data transmission, makes on-vehicle HUD carry out the automatic synchronization according to sight focus position data, does on-vehicle HUD's projection coordinate synchronous update sight focus position data reach automatically regulated's purpose, the effectual use convenience that has promoted on-vehicle HUD.
Further, the specific step of automatically synchronizing the projection coordinates of the vehicle-mounted HUD into the sight line focal position data is as follows:
when receiving the adjustment instruction, the projection coordinates of the vehicle-mounted HUD are automatically synchronized into the sight line focal position data again.
Further, the method further comprises the steps of:
when the vehicle is detected to be in a driving state, the sight line focus position information of the driver is collected in real time through the identity recognition system, and the sight line focus position information is sent to the vehicle-mounted HUD for real-time synchronization.
Further, when the vehicle is detected to be in a driving state, the step of acquiring the sight line focus position information of the driver in real time through the identity recognition system comprises the following steps:
the identity recognition system collects sight line focus position information in real time and judges whether the angle deviation between the sight line focus position information and the projection coordinate angle of the current vehicle-mounted HUD is larger than a first preset value;
when the angle deviation is smaller than or equal to a first preset value, the identity recognition system continuously collects the sight line focus position information in real time, and when the angle deviation is larger than the first preset value, whether the time length in the deviation state is larger than a second preset value is continuously judged;
when the time length in the deviation state is less than or equal to a second preset value, the identity recognition system continuously collects the sight line focus position information in real time, and when the time length in the deviation state is greater than the second preset value, the currently collected sight line focus position information is sent to the vehicle-mounted HUD for automatic synchronization.
Further, when the vehicle is detected to be in a driving state, the step of acquiring the sight line focus position information of the driver in real time through the identity recognition system further comprises the following steps:
the identity recognition system collects sight line focus position information in real time and judges whether the angle deviation between the sight line focus position information and the projection coordinate angle of the current vehicle-mounted HUD is larger than a preset danger value or not;
when the angle deviation is larger than a preset dangerous value, the sound is produced through a vehicle-mounted loudspeaker to prompt the driver to pay attention to driving.
Further, after the driver identity information is collected by an identity recognition system provided to the vehicle, the method further comprises the following steps:
inquiring driver archived information matched with the driver identity information in a prestored database;
and when the information of the driver is not inquired in the database, the identity recognition system inputs the identity information of the driver and driver archive information.
Further, the specific steps of the identification system entering the driver archived information are as follows:
acquiring the driver archived information for multiple times through the identity recognition system;
and the identity recognition system calculates the average value of the driver archived information acquired for multiple times and then archives and stores the driver archived information.
Further, the method further comprises:
when a seat adjustment of the cockpit is detected, the identification system re-enters the driver archived information
The invention also provides a vehicle-mounted HUD projection automatic adjusting system, which comprises:
the identity recognition system is used for collecting the identity information of the driver when detecting that the vehicle is started;
the information inquiry module is used for inquiring driver archived information matched with the driver identity information in a prestored database, and the driver archived information at least comprises sight focal position data;
the data sending module is used for sending the sight line focus position data in the current driver archived information to the vehicle-mounted HUD according to the received sending instruction;
and the vehicle-mounted HUD module is used for reading the sight line focus position data and automatically synchronizing the projection coordinates of the vehicle-mounted HUD into the sight line focus position data.
The invention further provides an automobile which comprises the vehicle-mounted HUD projection automatic adjusting system.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of an automatic adjustment method for a vehicle-mounted HUD projection according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a vehicle HUD projection auto-adjustment method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an automatic adjustment system for vehicle-mounted HUD projection according to another embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
When the existing vehicle-mounted HUD is used, when a vehicle is used by a plurality of drivers, each driver needs to adjust the projection coordinates of the vehicle-mounted HUD to a position suitable for the sight of the driver after starting the vehicle, so that the steps of using the vehicle-mounted HUD are complicated; based on this, according to the vehicle-mounted HUD projection automatic adjustment method, the vehicle-mounted HUD projection automatic adjustment system and the automobile, the facial information of a driver is read according to the identity recognition system, the current driver filing information is inquired in the pre-stored database, so that the sight line focus position data is sent to the vehicle-mounted HUD, the vehicle-mounted HUD automatically synchronizes according to the sight line focus position data, the projection coordinates of the vehicle-mounted HUD are synchronously updated to the sight line focus position data, the purpose of automatic adjustment is achieved, and the use convenience of the vehicle-mounted HUD is effectively improved; the following describes embodiments of the present invention in detail.
Referring to fig. 1, a flowchart of an automatic adjustment method for a vehicle-mounted HUD projection according to a first embodiment of the present invention is shown, where the method includes:
step S11, when the vehicle is detected to be started, acquiring driver identity information through an identity recognition system arranged on the vehicle;
the identity recognition system in the embodiment adopts a face recognition system, the face recognition system adopts a common model on the market, the face recognition system can recognize facial features of a driver in a cockpit, the facial features specifically comprise facial feature information and eyeball information, and sight line track and focus position information is obtained by recognizing light spots and the center position of a through hole through the eyeball information.
Step S12, driver archive information matched with the driver identity information is inquired in a prestored database, and the driver archive information at least comprises sight line focus position data;
the pre-stored database is formed by using the identity recognition system, for example, when an automobile is just delivered from a factory, the pre-stored database is empty, when a driver uses the automobile for the first time, the identity recognition system starts to acquire the identity characteristic information of the driver, the driver archive information cannot be inquired in the database because the database is empty, at the moment, the database archives the driver identity information acquired by acquiring the identity characteristic information of the driver, and the driver identity information at least comprises sight focus position data; through the above steps, the driver archive information is stored in the database, and when the driver uses the vehicle subsequently, the driver archive information can be inquired in the database through the step 12.
Step S13, according to the received sending instruction, sending the sight line focus position data in the current driver file information to the vehicle-mounted HUD;
the identity recognition system sends sight focus position data in current driver filing information to the vehicle-mounted HUD according to sending instructions fed back by a driver, and if the driver does not feed back the sending instructions, the vehicle-mounted HUD is directly subjected to manual adjustment of the projection coordinate position, and then the vehicle-mounted HUD is not subjected to automatic adjustment.
Step S14, the vehicle-mounted HUD reads the sight line focus position data and automatically synchronizes the projection coordinates of the vehicle-mounted HUD into the sight line focus position data;
wherein, common model on the market is used to on-vehicle HUD, and the data intercommunication that on-vehicle HUD's data and identification system sent, on-vehicle HUD can directly read the data that identification system sent to after on-vehicle HUD received the sight focus position data that identification system sent, on-vehicle HUD can directly read data and update the projection coordinate position data of self, reach automatic synchronization's effect.
Specifically, the specific step of automatically synchronizing the projection coordinates of the vehicle-mounted HUD into the sight line focal position data is as follows:
step S141, when an adjusting instruction is received, the projection coordinates of the vehicle-mounted HUD are automatically synchronized into the sight line focal position data again;
when the identity recognition system receives the adjusting instruction fed back by the driver, the vehicle-mounted HUD updates the projection coordinate once again, the projection coordinate is updated to the sight line focal position data, and the problem that the vehicle-mounted HUD is wrong and not automatically synchronized is solved through the step.
And step S15, when the vehicle is detected to be in a driving state, the sight line focus position information of the driver is collected in real time through the identity recognition system, and the sight line focus position information is sent to the vehicle-mounted HUD for real-time synchronization.
The judgment mode that the vehicle is in the running state is to judge whether the gear is a D gear (a forward gear), when the gear is regulated to the D gear, the identity recognition system receives feedback sent by a bus CAN of the vehicle, and at the moment, the identity recognition system starts to collect the position information of the sight focus of the driver in real time.
When the vehicle is detected to be in a driving state, the step of acquiring the position information of the sight focus of the driver in real time through the identity recognition system comprises the following steps:
step S151, the identity recognition system collects sight line focus position information in real time and judges whether the angle deviation between the sight line focus position information and the projection coordinate of the current vehicle-mounted HUD is larger than a first preset value or not;
step S152, when the angle deviation is smaller than or equal to a first preset value, the identity recognition system continuously collects the sight line focus position information in real time, and when the angle deviation is larger than the first preset value, whether the time length in the deviation state is larger than a second preset value is continuously judged; (ii) a
Step S153, when the time length in the deviation state is less than or equal to a second preset value, the identity recognition system continuously collects the sight line focus position information in real time, and when the time length in the deviation state is greater than the second preset value, the currently collected sight line focus position information is sent to the vehicle-mounted HUD for automatic synchronization.
If the driver drives for a long time and the driving posture is adjusted, the identification system can judge whether the adjustment is needed through the steps S151 to S153, wherein the first preset value is 5 degrees, the second preset value is 3 seconds, and when the angle deviation between the sight line focus position of the driver and the projection coordinate of the current vehicle-mounted HUD is more than 5 degrees and the time length in the deviation state is more than 3 seconds, the sight line focus position data of the current driver face information is sent to the vehicle-mounted HUD.
Specifically, the identity recognition system collects sight line focus position information in real time and judges whether the angle deviation between the sight line focus position information and the projection coordinate of the current vehicle-mounted HUD is larger than a preset danger value or not; when the angle deviation is larger than a preset danger value, a vehicle-mounted loudspeaker is used for sounding to prompt the driver to pay attention to driving; wherein the preset hazard value has an angle of 50 °.
For example, when the driver lowers the head and looks up the cell phone, the identity recognition system collects the sight focus position information in real time at this moment and is present the projection coordinate angular deviation of on-vehicle HUD is greater than 50 degrees, and on-vehicle speaker then can send voice prompt and be used for reminding the driver to concentrate on driving, prevents the accident situation.
Fig. 2 is a flowchart of an on-board HUD projection auto-adjustment method according to a second embodiment of the present invention. On the basis of the previous embodiment, when the driver identity information acquired by the identity recognition system cannot be inquired in a pre-stored database, the method of the embodiment can also be used for inputting the identity information of a new driver. Specifically, as shown in fig. 2, the method of this embodiment specifically includes the following steps:
s21, when the vehicle is detected to be started, acquiring driver identity information through an identity recognition system arranged on the vehicle;
s22, driver archive information matched with the driver identity information is inquired in a prestored database, and the driver archive information at least comprises sight focus position data;
and S23, when the information of the driver is not inquired in the database, the identity recognition system inputs the identity information of the driver and driver archive information.
Specifically, in step S23, the specific step of the identification system entering the driver archive information is:
s231, acquiring the driver archived information for multiple times through the identity recognition system;
s232, the identity recognition system calculates the average value of the driver archived information acquired for multiple times and then archives and stores the driver archived information;
and finally, calculating an average value of the driver archived information input results for a plurality of times through an identity recognition system, archiving and storing to obtain more proper sight focus position information.
S24, when the seat adjustment of the cockpit is detected, the driver archive information is re-recorded by the identity recognition system;
when the driver is adjusted the seat in cockpit, promptly the driver's driving gesture has changed, through on-vehicle speaker suggestion this moment the driver types its identity information again to acquire the sight focus positional information who changes the driving gesture, and will sight focus positional information sends on-vehicle HUD and carries out the automatic synchronization and update, thereby prevents to drive the improper problem of projection position of the on-vehicle HUD of gesture adjustment back.
As shown in fig. 3, another embodiment of the present invention also provides an in-vehicle HUD projection automatic adjustment system, including:
the identity recognition system is used for collecting the identity information of the driver when detecting that the vehicle is started;
the information inquiry module is used for inquiring driver archived information matched with the driver identity information in a prestored database, and the driver archived information at least comprises sight focal position data;
the data sending module is used for sending the sight line focus position data in the current driver archived information to the vehicle-mounted HUD according to the received sending instruction;
and the vehicle-mounted HUD module is used for reading the sight line focus position data and automatically synchronizing the projection coordinates of the vehicle-mounted HUD into the sight line focus position data.
Further, the on-vehicle HUD module includes:
and the adjusting unit is used for automatically synchronizing the projection coordinates of the vehicle-mounted HUD into the sight line focal position data again according to the received adjusting instruction.
Further, the system further comprises:
and the vehicle state detection module is used for detecting whether the vehicle is in a driving state, and if the vehicle is in the driving state, the sight line focus position information of the driver is collected in real time through the identity recognition system, and the sight line focus position information is sent to the vehicle-mounted HUD for real-time synchronization.
Specifically, the identification system includes:
a visual angle deviation judging unit for judging whether the angular deviation between the driver's sight line focus position and the current projection coordinate of the vehicle-mounted HUD is greater than a first preset value, when the angular deviation is less than or equal to the first preset value, the identity recognition system continuously collects the sight line focus position information in real time,
the offset duration judging unit is used for continuously judging whether the duration in the deviation state is greater than a second preset value or not when the angle deviation is judged to be greater than a first preset value; when the time length in the deviation state is less than or equal to a second preset value, the identity recognition system continuously collects the sight line focus position information in real time, and when the time length in the deviation state is greater than the second preset value, the currently collected sight line focus position information is sent to the vehicle-mounted HUD for automatic synchronization.
Specifically, the identity recognition system further includes:
and the dangerous driving judgment unit is used for judging whether the sight line focus position information and the current projection coordinate angle deviation of the vehicle-mounted HUD is greater than a preset dangerous value or not, and when the angle deviation is greater than the preset dangerous value, the driver pays attention to the driving with concentration through a vehicle-mounted loudspeaker.
Specifically, the system further includes:
and the entry module is used for entering the identity information of the driver and driver archive information by the identity recognition system when the information of the driver is not inquired in the database.
Specifically, the logging module includes:
the multiple-entry unit acquires the driver archived information multiple times through the identity recognition system;
and the computing unit is used for computing the average value of the driver file information acquired for multiple times by the identity recognition system and then storing the average value.
Another embodiment of the present invention also provides an automobile, which at least comprises the vehicle-mounted HUD projection automatic adjusting system in the above embodiment.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An automatic adjustment method for vehicle-mounted HUD projection is characterized by comprising the following steps:
when the starting of a vehicle is detected, acquiring driver identity information through an identity recognition system arranged on the vehicle;
inquiring driver archived information matched with the driver identity information in a prestored database, wherein the driver archived information at least comprises sight line focus position data;
according to the received sending instruction, sending the sight line focus position data in the current driver archived information to the vehicle-mounted HUD;
and the vehicle-mounted HUD reads the sight line focal position data and automatically synchronizes the projection coordinates of the vehicle-mounted HUD into the sight line focal position data.
2. The method according to claim 1, wherein the step of automatically synchronizing the projection coordinates of the on-board HUD to the gaze focal position data comprises:
when receiving the adjustment instruction, the projection coordinates of the vehicle-mounted HUD are automatically synchronized into the sight line focal position data again.
3. The method for automatic adjustment of on-board HUD projection according to claim 1, further comprising the steps of:
when the vehicle is detected to be in a driving state, the sight line focus position information of the driver is collected in real time through the identity recognition system, and the sight line focus position information is sent to the vehicle-mounted HUD for real-time synchronization.
4. The method according to claim 3, wherein the step of collecting the driver's gaze focus position information in real time by the identification system when the vehicle is detected to be in a driving state comprises:
the identity recognition system collects sight line focus position information in real time and judges whether the angle deviation between the sight line focus position information and the projection coordinate angle of the current vehicle-mounted HUD is larger than a first preset value;
when the angle deviation is smaller than or equal to a first preset value, the identity recognition system continuously collects the sight line focus position information in real time, and when the angle deviation is larger than the first preset value, whether the time length in the deviation state is larger than a second preset value is continuously judged;
when the time length in the deviation state is less than or equal to a second preset value, the identity recognition system continuously collects the sight line focus position information in real time, and when the time length in the deviation state is greater than the second preset value, the currently collected sight line focus position information is sent to the vehicle-mounted HUD for automatic synchronization.
5. The method according to claim 3, wherein the step of collecting the driver's gaze focus position information in real time by the identification system when the vehicle is detected to be in a driving state further comprises:
the identity recognition system collects sight line focus position information in real time and judges whether the angle deviation between the sight line focus position information and the projection coordinate angle of the current vehicle-mounted HUD is larger than a preset danger value or not;
when the angle deviation is larger than a preset dangerous value, the sound is produced through a vehicle-mounted loudspeaker to prompt the driver to pay attention to driving.
6. The method for automatic adjustment of vehicle-mounted HUD projection according to claim 1, wherein after collecting driver identification information by an identification system provided to the vehicle, the method further comprises the steps of:
inquiring driver archived information matched with the driver identity information in a prestored database;
and when the information of the driver is not inquired in the database, the identity recognition system inputs the identity information of the driver and driver archive information.
7. The method for automatically adjusting the projection of a vehicle-mounted HUD according to claim 6, wherein the specific steps of the identity recognition system entering the driver archived information are as follows:
acquiring the driver archived information for multiple times through the identity recognition system;
and the identity recognition system calculates the average value of the driver archived information acquired for multiple times and then archives and stores the driver archived information.
8. The method for automatic adjustment of on-board HUD projection according to claim 1, further comprising:
when a seat adjustment of the cockpit is detected, the identification system re-enters the driver archive information.
9. An on-vehicle HUD projection automatic regulating system, its characterized in that, automatic regulating system includes:
the identity recognition system is used for collecting the identity information of the driver when detecting that the vehicle is started;
the information inquiry module is used for inquiring driver archived information matched with the driver identity information in a prestored database, and the driver archived information at least comprises sight focal position data;
the data sending module is used for sending the sight line focus position data in the current driver archived information to the vehicle-mounted HUD according to the received sending instruction;
and the vehicle-mounted HUD module is used for reading the sight line focus position data and automatically synchronizing the projection coordinates of the vehicle-mounted HUD into the sight line focus position data.
10. An automobile characterized in that it comprises at least the on-board HUD projection auto-adjustment system of claim 9.
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| CN112428936A (en) * | 2020-11-27 | 2021-03-02 | 奇瑞汽车股份有限公司 | Method and device for automatically adjusting parameters of head-up display |
| WO2023029264A1 (en) * | 2021-09-03 | 2023-03-09 | 博泰车联网科技(上海)股份有限公司 | Vehicle-mounted video and audio playing control method, system and apparatus |
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