阅读说明：本技术 基于车载视觉检测的自动预警交互系统及方法 (Automatic early warning interaction system and method based on vehicle-mounted vision detection ) 是由 龚锐 陈岚 段吉 于 2021-08-06 设计创作，主要内容包括：本发明提供了一种基于车载视觉检测的自动预警交互系统及方法,该系统包括：车辆状态获取模块,用于实时获取车辆状态；图像采集模块,包括设于车辆头部正前方、车辆头部两侧及车辆尾部正后方的环境监测摄像装置,用于实时获取对应所述车辆状态的车辆周边环境信息；控制模块,用于接收所述图像采集模块获取的周边环境信息,对所述周边环境信息进行处理及判断,确认达到预设报警触发条件时发出报警控制指令；预警模块,与所述控制模块连接,当所述预警模块接收到所述报警控制指令时,启动预警。本发明仅通过车身安装镜头就能实时监测车辆周边环境,针对潜在行人和车辆碰撞危险及时发出预警。(The invention provides an automatic early warning interaction system and method based on vehicle-mounted vision detection, wherein the system comprises the following components: the vehicle state acquisition module is used for acquiring the vehicle state in real time; the image acquisition module comprises environment monitoring camera devices which are arranged right in front of the head of the vehicle, two sides of the head of the vehicle and right behind the tail of the vehicle and is used for acquiring the surrounding environment information of the vehicle corresponding to the state of the vehicle in real time; the control module is used for receiving the peripheral environment information acquired by the image acquisition module, processing and judging the peripheral environment information, and sending an alarm control instruction when a preset alarm triggering condition is confirmed to be met; and the early warning module is connected with the control module and starts early warning when the early warning module receives the alarm control instruction. The invention can monitor the surrounding environment of the vehicle in real time only by installing the lens on the vehicle body, and timely sends out early warning aiming at the collision danger of the potential people and the vehicle.)

1. The utility model provides an automatic early warning interactive system based on-vehicle visual detection which characterized in that includes:

the vehicle state acquisition module is used for acquiring the vehicle state in real time;

the image acquisition module comprises environment monitoring camera devices which are arranged right in front of the head of the vehicle, two sides of the head of the vehicle and right behind the tail of the vehicle and is used for acquiring the surrounding environment information of the vehicle corresponding to the state of the vehicle in real time;

the control module is used for receiving the peripheral environment information acquired by the image acquisition module, processing and judging the peripheral environment information, and sending an alarm control instruction when a preset alarm triggering condition is confirmed to be met;

and the early warning module is connected with the control module and starts early warning when the early warning module receives the alarm control instruction.

2. The vehicle-mounted visual inspection-based automatic early warning interaction system according to claim 1, wherein the vehicle state at least comprises a parking start mode, a reverse mode, a steering mode, a driving mode and a vehicle speed corresponding to the driving mode.

3. The automatic early warning interaction system based on vehicle-mounted vision detection as claimed in claim 1 or 2, wherein the image acquisition module further comprises a driver state monitoring camera device arranged in a vehicle cab and used for acquiring driver facial information in real time and transmitting the driver facial information to the control module, and the control module processes and analyzes the driver facial information, confirms that the preset warning type is met, and sends a warning control instruction to the early warning module when a preset warning triggering condition corresponding to the current warning type is reached.

4. The automatic early warning interaction system based on vehicle-mounted vision detection as claimed in claim 3, wherein the alarm types at least comprise eye closure, yawning, right-pan left, telephone calling, smoking, head lowering, and occlusion.

5. The automatic early warning interaction system based on vehicle-mounted vision detection as claimed in claim 1, 2 or 4, wherein the image acquisition module further comprises vision blind area monitoring camera devices arranged on the left side and the right side of the vehicle carriage body, and the vision blind area monitoring camera devices are used for acquiring the environment information of the rear blind areas on the two sides of the vehicle body in real time and transmitting the environment information to the control module, and the control module processes and judges the environment information of the rear blind areas on the two sides of the vehicle body and sends out an alarm control instruction when a preset alarm triggering condition is confirmed to be reached.

6. The automatic early warning interaction system based on vehicle-mounted vision detection as claimed in claim 5, wherein the early warning module comprises a display device, a voice prompt device and a light prompt device;

the display device displays the image information acquired by the image acquisition module, and carries out display reminding of colors and/or icons on abnormal conditions in the current image information when the early warning module starts early warning;

when the early warning module starts early warning, the voice prompt device carries out voice broadcast on the preset alarm content corresponding to the current alarm control instruction;

and the light prompting device is used for carrying out light prompting on the alarm content corresponding to the current alarm control instruction when the early warning module starts early warning.

7. The automatic early warning interaction system based on vehicle-mounted vision detection as claimed in claim 6, further comprising a lane-changing auxiliary early warning system, wherein the lane-changing auxiliary early warning system comprises at least one monitoring radar and a lane-changing auxiliary early warning lamp arranged below a right side rearview mirror of a vehicle, the monitoring radar and the lane-changing auxiliary early warning lamp are both connected with the control module, the control module receives a monitoring result of the monitoring radar and then processes and judges the monitoring result, and the lane-changing auxiliary early warning lamp is controlled to perform light early warning when a preset alarm triggering condition is confirmed.

8. An automatic early warning interaction method based on vehicle-mounted vision detection is characterized by comprising the following steps:

acquiring a vehicle state in real time;

acquiring vehicle surrounding environment images corresponding to the front, the rear and the left and right sides of the vehicle in the vehicle state, and displaying the vehicle surrounding environment images after processing;

acquiring visual blind area environment images corresponding to the left side and the right side of the vehicle carriage body in the vehicle state, and displaying the visual blind area environment images after processing;

detecting all objects in an early warning area in the vehicle environment image and the vision blind area environment image in the current vehicle state in real time, and identifying dangerous objects in all the objects;

generating vehicle periphery early warning information and/or blind area early warning information based on the identification result of the dangerous object, and starting early warning.

9. The automatic pre-warning interaction method based on vehicle-mounted vision inspection as claimed in claim 8,

the vehicle state at least comprises a parking starting mode, a reversing mode, a steering mode, a running mode and a vehicle speed corresponding to the running mode;

when the vehicle state is a parking starting mode, detecting all objects in an early warning area which is in front of the vehicle, in the left side and the right side of the vehicle and in the preset distance from the vehicle body to the front side and the left side and the right side of the vehicle in the visual blind area environment image under the current mode in real time, and starting early warning after identifying dangerous objects in all the objects;

when the vehicle state is a reversing mode, detecting all objects in an early warning area which is in the vehicle surrounding environment image behind the vehicle and is a preset distance away from the vehicle body in real time under the current mode, and starting early warning after identifying dangerous objects in all the objects;

when the vehicle state is a steering mode, detecting all objects in an early warning area which is in front of the vehicle, in the vehicle surrounding image on the left side and the right side of the vehicle and in the visual blind area environment image and is a preset distance away from the vehicle body from the front side and the left side and the right side of the vehicle in the current mode in real time, and starting early warning after identifying dangerous objects in all the objects;

when the vehicle state is a driving mode and the current driving speed exceeds a preset value, detecting all objects in a pre-warning area with preset distances from the vehicle body, the rear vehicle body and the left and right sides in the vehicle surrounding environment images and the vision blind area environment images in front of, behind and on the left and right sides of the vehicle in the current mode in real time, and starting pre-warning after identifying dangerous objects in all the objects;

the dangerous objects at least comprise pedestrians and vehicles.

10. The automatic early warning interaction method based on vehicle-mounted vision detection as claimed in claim 8 or 9, further comprising,

acquiring a face image of a driver in real time;

after the facial image is processed, whether the current image information accords with a preset alarm type is identified;

if yes, judging whether a preset alarm triggering condition corresponding to the current alarm type is reached;

if yes, starting early warning;

the alarm types at least comprise eye closing, yawning, right expectation left, calling, smoking, head lowering and shielding;

the preset alarm triggering condition comprises the state duration under the current alarm type.

Technical Field

The disclosure relates to the technical field of vehicle-mounted all-round looking systems, in particular to an automatic early warning interaction system and method based on vehicle-mounted visual detection.

Background

Aiming at vehicle-mounted 360-degree panoramic/all-around early warning interactive display, the following two technical schemes are provided: the first method is characterized in that no early warning reminding is performed, and spliced pictures of the vehicle body environment to be observed are manually switched and displayed; the second type has early warning to remind, can automatic display video picture, need install the radar, and the radar detects the early warning of barrier and adds 360 all around concatenation display frames, can pop out early warning position picture automatically.

The first type is warning without early warning, needs to manually display a video picture, timely reminds a driver when danger cannot exist in the driving process, and only displays an automobile body environment picture in a multi-azimuth mode.

The second type has early warning and reminding, can automatically display video pictures and needs to be provided with a radar. The radar can accurately detect the longitudinal obstacles of the installation position, but the transverse detection range is limited. 3 and more than 3 radars need to be installed at the corners of the vehicle body, 12 and more than four corners need to be installed, the blind area can be completely covered, the detection and early warning can be realized, and the types of obstacles can not be identified.

Disclosure of Invention

In view of the above, the embodiment of the present disclosure provides an automatic early warning interaction system and method based on vehicle-mounted vision detection, which can monitor the surrounding environment of a vehicle in real time only through a vehicle body mounted lens, timely send out early warning for the collision risk of a potential pedestrian and the vehicle, and include a voice broadcast and an interaction policy of automatic pop-up of a real-time early warning picture.

In order to achieve the above purpose, the invention provides the following technical scheme:

an automatic early warning interaction system based on vehicle-mounted vision detection comprises:

the vehicle state acquisition module is used for acquiring the vehicle state in real time;

the image acquisition module comprises environment monitoring camera devices which are arranged right in front of the head of the vehicle, two sides of the head of the vehicle and right behind the tail of the vehicle and is used for acquiring the surrounding environment information of the vehicle corresponding to the state of the vehicle in real time;

the control module is used for receiving the peripheral environment information acquired by the image acquisition module, processing and judging the peripheral environment information, and sending an alarm control instruction when a preset alarm triggering condition is confirmed to be met;

and the early warning module is connected with the control module and starts early warning when the early warning module receives the alarm control instruction.

Further, the vehicle state at least comprises a parking starting mode, a reversing mode, a steering mode, a running mode and a vehicle speed corresponding to the running mode.

Further, the image acquisition module further comprises a driver state monitoring camera device arranged in the vehicle cab and used for acquiring the facial information of the driver in real time and transmitting the facial information to the control module, the control module processes and analyzes the facial information of the driver, confirms that the facial information accords with a preset alarm type, and sends an alarm control instruction to the early warning module when a preset alarm triggering condition corresponding to the current alarm type is reached.

Further, the alarm types at least include eye closing, yawning, right-looking-at-the-right-looking, calling, smoking, lowering head, and blocking.

Furthermore, the image acquisition module also comprises visual blind area monitoring camera devices arranged on the left side and the right side of the carriage body, and the visual blind area monitoring camera devices are used for acquiring the environmental information of the rear blind areas on the two sides of the carriage body in real time and transmitting the environmental information to the control module, and the control module processes and judges the environmental information of the rear blind areas on the two sides of the carriage body and sends an alarm control instruction when confirming that a preset alarm triggering condition is reached.

Further, the early warning module comprises a display device, a voice prompt device and a light prompt device;

the display device displays the image information acquired by the image acquisition module, and carries out display reminding of colors and/or icons on abnormal conditions in the current image information when the early warning module starts early warning;

when the early warning module starts early warning, the voice prompt device carries out voice broadcast on the preset alarm content corresponding to the current alarm control instruction;

and the light prompting device is used for carrying out light prompting on the alarm content corresponding to the current alarm control instruction when the early warning module starts early warning.

The lane changing auxiliary early warning system comprises at least one monitoring radar and a lane changing auxiliary early warning lamp which are arranged below a rearview mirror on the right side of the vehicle, the monitoring radar and the lane changing auxiliary early warning lamp are connected with the control module, the control module receives a monitoring result of the monitoring radar and then processes and judges the monitoring result, and the lane changing auxiliary early warning lamp is controlled to perform light early warning when the preset warning triggering condition is confirmed.

The invention also provides an automatic early warning interaction method based on vehicle-mounted visual detection, which comprises the following steps:

acquiring a vehicle state in real time;

acquiring vehicle surrounding environment images corresponding to the front, the rear and the left and right sides of the vehicle in the vehicle state, and displaying the vehicle surrounding environment images after processing;

acquiring visual blind area environment images corresponding to the left side and the right side of the vehicle carriage body in the vehicle state, and displaying the visual blind area environment images after processing;

detecting all objects in an early warning area in the vehicle environment image and the vision blind area environment image in the current vehicle state in real time, and identifying dangerous objects in all the objects;

generating vehicle periphery early warning information and/or blind area early warning information based on the identification result of the dangerous object, and starting early warning.

Further, the vehicle state at least comprises a parking starting mode, a reversing mode, a steering mode, a running mode and a vehicle speed corresponding to the running mode;

when the vehicle state is a parking starting mode, detecting all objects in an early warning area which is in front of the vehicle, in the left side and the right side of the vehicle and in the preset distance from the vehicle body to the front side and the left side and the right side of the vehicle in the visual blind area environment image under the current mode in real time, and starting early warning after identifying dangerous objects in all the objects;

when the vehicle state is a reversing mode, detecting all objects in an early warning area which is in the vehicle surrounding environment image behind the vehicle and is a preset distance away from the vehicle body in real time under the current mode, and starting early warning after identifying dangerous objects in all the objects;

when the vehicle state is a steering mode, detecting all objects in an early warning area which is in front of the vehicle, in the vehicle surrounding image on the left side and the right side of the vehicle and in the visual blind area environment image and is a preset distance away from the vehicle body from the front side and the left side and the right side of the vehicle in the current mode in real time, and starting early warning after identifying dangerous objects in all the objects;

when the vehicle state is a driving mode and the current driving speed exceeds a preset value, detecting all objects in a pre-warning area with preset distances from the vehicle body, the rear vehicle body and the left and right sides in the vehicle surrounding environment images and the vision blind area environment images in front of, behind and on the left and right sides of the vehicle in the current mode in real time, and starting pre-warning after identifying dangerous objects in all the objects;

the dangerous objects at least comprise pedestrians and vehicles.

Further, the method also comprises the following steps of,

acquiring a face image of a driver in real time;

after the facial image is processed, whether the current image information accords with a preset alarm type is identified;

if yes, judging whether a preset alarm triggering condition corresponding to the current alarm type is reached;

if yes, starting early warning;

the alarm types at least comprise eye closing, yawning, right expectation left, calling, smoking, head lowering and shielding;

the preset alarm triggering condition comprises the state duration under the current alarm type.

According to the automatic early warning interaction system and method based on vehicle-mounted visual detection, the surrounding environment of a vehicle can be monitored in real time only through the vehicle body installation lens, early warning is timely given out aiming at the collision danger of a potential pedestrian and the vehicle, and an interaction strategy is automatically popped up by a voice broadcast and a real-time early warning picture. The invention can realize AVM look-around early warning function, DMS driver state monitoring function, RCW reverse collision avoidance early warning function and BSD carriage video monitoring function, and can remind the driver in multiple dimensions and reduce the accident rate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of an automatic early warning interaction system according to the present invention.

Detailed Description

The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present disclosure, and the drawings only show the components related to the present disclosure rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

As shown in fig. 1, an embodiment of the present disclosure provides an automatic early warning interaction system based on vehicle-mounted vision detection, including:

a vehicle state obtaining module 10, configured to obtain a vehicle state in real time;

the vehicle state at least comprises a parking starting mode, a reversing mode, a steering mode, a running mode and a vehicle speed corresponding to the running mode.

The image acquisition module 20 comprises environment monitoring camera devices which are arranged right in front of the head of the vehicle, on two sides of the head of the vehicle and right behind the tail of the vehicle and is used for acquiring the surrounding environment information of the vehicle corresponding to the state of the vehicle in real time;

the image acquisition module 20 further comprises a driver state monitoring camera device arranged in the vehicle cab, and is used for acquiring the facial information of the driver in real time and transmitting the facial information to the control module 30, the control module 30 processes and analyzes the facial information of the driver, confirms that the facial information conforms to a preset alarm type, and sends out an alarm control instruction to the early warning module 40 when a preset alarm triggering condition corresponding to the current alarm type is reached.

Wherein the alarm types comprise eye closing, yawning, right expectation left, telephone calling, smoking, head lowering, shielding and the like; the preset alarm triggering condition comprises the state duration under the current alarm type.

The image acquisition module 20 further comprises visual blind area monitoring camera devices arranged on the left side and the right side of the carriage body, and is used for acquiring the environmental information of the rear blind areas on the two sides of the carriage body in real time and transmitting the environmental information to the control module 30, and the control module 30 processes and judges the environmental information of the rear blind areas on the two sides of the carriage body and sends an alarm control instruction when confirming that a preset alarm triggering condition is met.

The image acquisition module 20 further comprises visual blind area monitoring camera devices arranged on the left side and the right side of the carriage body, and is used for acquiring the environmental information of the rear blind areas on the two sides of the carriage body in real time and transmitting the environmental information to the control module 30, and the control module 30 processes and judges the environmental information of the rear blind areas on the two sides of the carriage body and sends an alarm control instruction when confirming that a preset alarm triggering condition is reached.

The control module 30 is configured to receive the ambient environment information acquired by the image acquisition module 20, process and judge the ambient environment information, and send an alarm control instruction when a preset alarm trigger condition is determined to be met;

the control module 30 detects all objects in the early warning area in the vehicle surrounding environment image and the visual blind area environment image in the current vehicle state in real time, identifies dangerous objects in all the objects, and generates vehicle surrounding early warning information and/or a blind area warning control instruction based on the identification result of the dangerous objects;

the dangerous objects at least comprise pedestrians and vehicles;

and the early warning module 40 is connected with the control module 30, and starts early warning when the early warning module 40 receives the alarm control instruction.

The early warning module 40 comprises a display device, a voice prompt device and a light prompt device;

the display device displays the image information acquired by the image acquisition module, and carries out display reminding of colors and/or icons on abnormal conditions in the current image information when the early warning module starts early warning;

when the early warning module starts early warning, the voice prompt device carries out voice broadcast on the preset alarm content corresponding to the current alarm control instruction;

and the light prompting device is used for carrying out light prompting on the alarm content corresponding to the current alarm control instruction when the early warning module starts early warning.

The automatic early warning interaction system of the embodiment further comprises a lane changing auxiliary early warning system, the lane changing auxiliary early warning system comprises at least one monitoring radar and a lane changing auxiliary early warning lamp which are arranged below a vehicle right side rearview mirror, the monitoring radar and the lane changing auxiliary early warning lamp are connected with the control module, the control module receives monitoring results of the monitoring radar and then processes and judges the monitoring results, and the lane changing auxiliary early warning lamp is controlled to perform light early warning when the preset warning triggering condition is confirmed.

In the embodiment of the invention, the AVM all-around early warning function, the DMS driver state monitoring function, the RCW reverse collision avoidance early warning function and the BSD carriage video monitoring function can be realized, the driver can be reminded in multiple dimensions, and the accident rate is reduced.

1. AVM look around early warning function

AVM look around early warning function mainly is through installing respectively under locomotive LOGO, the 3 super wide angle high definition digtal camera on left-hand mirror, the right side mirror, gathers the image around the vehicle in real time, through image processing unit (VDCU) to the original image of three camera collection correct, the concatenation, the visual angle transform back, form a panorama from last down overlook the picture to the real-time conveying is located and is controlled big screen video monitoring APP and show in the vehicle.

(1)2D, 3D multi-view, vehicle-mounted picture function

When the system is started, the display screen displays a panoramic annular view around the vehicle body;

the vehicle speed limit is avoided, and the image is clear and smooth.

When the vehicle enters left-right steering, the view can be correspondingly switched

(2) 'moving object monitoring' (MOD) driving assistance technique

The driving assistance technology of 'moving object monitoring' (MOD) further strengthens the function of a 270-degree panoramic monitoring image system under the condition of not needing to install an additional sensor. When the vehicle is ready to take off from a stationary state, or is traveling at low speeds (<30km/h), the system monitors the presence of vehicles, pedestrian moving objects, around the vehicle. When the moving object enters the early warning area around the vehicle. Video monitoring APP on the central control display screen carries out screen flashing warning in a corresponding area, and meanwhile, a driver is reminded through a car body horn voice mode, so that driving safety is improved.

(3) Early warning strategy

The warning strategy of this embodiment is as follows:

table 1: early warning strategy

(4) Detecting the index

The detection indexes of this example are as follows:

table 2: detecting the index

(5) System input signal

The bus signals of the system of the embodiment are as follows 3:

table 3: system bus signal

2. DMS driver status monitoring function

The DMS driver state monitoring function is that the image sensor is used for collecting facial information of a driver, the processor is used for processing and analyzing images, and the fatigue detection algorithm with high robustness is used for monitoring and early warning unsafe states of fatigue, distraction and the like of the driver in real time. In the driving process of the vehicle, the system can detect dangerous driving behaviors of closing eyes, yawning, smoking, calling, lowering head and the like of a driver, and carry out voice and large-screen display mode to remind the driver according to an appointed alarm strategy.

(1) Early warning strategy

The warning strategy of this embodiment is as follows:

table 4: early warning strategy

(2) Performance index

The performance criteria for this example are shown in table 5 below:

table 5: performance index

Type (B)	Standards and requirements	Recognition rate
			Eye closure	The system should support driver eye closure fatigue recognition	The identification accuracy is not less than 95 percent
Yawning	The system should support the recognition of yawning fatigue of the driver	The identification accuracy is not less than 95 percent
			Left look ahead	The system should support driver left-looking-for-right-expectation distraction recognition	The identification accuracy is not less than 95 percent
Telephone	The system should support driver identification of making a call	The identification accuracy is not less than 95 percent
			Smoke extraction device	The system should support the identification of smoking by the driver and needs to hold the cigarette end	The identification accuracy is not less than 95 percent
Lowering head	The system should support driver low head distraction recognition	The identification accuracy is not less than 95 percent
			Shielding	The system should support DMS lens occlusion recognition	The identification accuracy is not less than 95 percent

(3) System input signal

The bus signals of the system of the embodiment are as follows:

table 6: system bus signal

3. BSD carriage video monitoring function

Because the long-length rearview mirrors on the two sides of the trailer can only see the two sides in front of the trailer body and cannot completely see the sight lines behind the two sides of the trailer body, the high-definition video monitoring cameras are respectively installed on the left side and the right side of the trailer body to monitor the vision blind areas.

4. RCW reversing anti-collision early warning function

The RCW reverse anti-collision early warning function is based on the reverse rearview camera to realize the detection and early warning of rear vehicles and pedestrians, and if the distance between the two vehicles is smaller than the safe distance, the RCA is in a working state, and the rear brake lamp is turned on in advance. The driver of the rear vehicle is reminded to pay attention, and meanwhile, the rear vehicle is reserved with a certain braking distance by the vehicle, so that rear-end collision of the rear vehicle is avoided.

When backing a car, if there is a car or a pedestrian behind the car, the driver is reminded in a sound and light mode outside the safe distance.

(1) Early warning strategy

The warning strategy of this embodiment is as follows:

table 7: early warning strategy

(2) System input signal

The bus signals of the system of the embodiment are as follows:

table 8: system bus signal

The invention aims at AVM look-around early warning function, DMS driver state monitoring function, RCW back-up anti-collision early warning function and BSD carriage video monitoring function, and based on left front, front and right front vehicles/pedestrians of a vehicle head, collision reminding and blind area monitoring function, and back-up and anti-collision function based on back view, the driver is reminded in multiple dimensions. In a specific implementation mode, the HMI design of the large central control screen follows a safety principle, an information priority principle, an integrity principle, a cognitive experience principle, an information visualization principle and an individuation principle, and user experience develops to enjoyment, high efficiency, convenience, emotionality and intellectualization on the basis of safety.

In the driving process, the first attention of the driver is road conditions and driving, and in order to ensure driving safety, the early warning information needs to be clear enough. The method combines the primary and secondary early warning information with voice, properly clicks the size of a hot area, and has reasonable field length and hierarchical color contrast, thereby helping a driver to efficiently receive the early warning information. The driver can take effective measures in time, danger is avoided, and the driver is protected.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.