CN105806358A - Driving prompting method and apparatus - Google Patents
Driving prompting method and apparatus Download PDFInfo
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- CN105806358A CN105806358A CN201410841759.2A CN201410841759A CN105806358A CN 105806358 A CN105806358 A CN 105806358A CN 201410841759 A CN201410841759 A CN 201410841759A CN 105806358 A CN105806358 A CN 105806358A
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Abstract
The invention provides a driving prompting method and apparatus. The method comprises the following steps: acquiring first real-time positional information from the eyes of a vehicle driver; acquiring second real-time positional information of an object in an external environment; determining real-time virtual display position of the object in a front windshield according to the first real-time positional information and the second real-time positional information; and generating and displaying the virtual image of the object on the front windshield. The method provided by the invention can visually and accurately display driving prompting information and aids the driver in rapid and accurate understanding the driving prompting information so as to allow the driver to carry out convenient, high-efficiency and safe driving.
Description
Technical field
The present invention relates to technical field of vehicle safety, particularly to a kind of method driving prompting and device.
Background technology
At present, drive prompting and generally take the mode of navigator or the mode of head up displays.Wherein, the mode of head up displays is display reminding content on vehicle front windshield, and its display content includes the movable information of car speed class and the navigation information of crossing enlarged drawing class.But both prompting modes not only suggestion content is single, and reminding method is directly perceived not.Even head up displays, being only repeat display navigator and the information of instrumental panel in the way of image in effect, its beneficial effect mainly only rests on and reduces people and bow the danger of observed information.
Summary of the invention
The purpose of the embodiment of the present invention is in that to provide a kind of method driving prompting and device, can show driving information intuitively and accurately, make the driving that driver is more convenient, efficient, safe.
In order to achieve the above object, The embodiment provides a kind of method driving prompting, the method includes:
Obtain the first real-time position information from car driver's eyes；
Obtain the second real-time position information of object in external environment condition；
According to the first real-time position information and the second real-time position information, it is determined that the object real-time virtual display position at front windshield place；
Front windshield generates and shows the virtual image of object.
Wherein, the step obtained from the first real-time position information of car driver's eyes includes:
By from car positioner, obtaining the 3rd real-time position information from car；
By on car install measurement device, when recording from the distance between car driver's eyes and measurement device and record distance every time measurement device horizontally rotate angle and vertical rotation angle, obtain the driver's eyes potential difference relative to measurement device；
According to the 3rd real-time position information, the measurement device that is previously obtained relative to from the potential difference of car positioner and from the car driver's eyes potential difference relative to measurement device, calculate the first real-time position information obtained from car driver's eyes.
Wherein, obtain the step of the second real-time position information of object in external environment condition to include:
Communicated by high in the clouds or inter-vehicle communication or bus or train route communication, obtain the second real-time position information of other vehicle from car periphery；And/or,
By analytical map data or communicated by bus or train route, obtain the second real-time position information from the building of car periphery, track, crossing or section.
Wherein, according to the first real-time position information and the second real-time position information, it is determined that the step of the object real-time virtual display position at front windshield place includes:
According to the first real-time position information and the second real-time position information, determine connection straight line of object position in car driver's eyes position and external environment condition, according to straight line incident point on front windshield, it is determined that the object real-time virtual display position at front windshield place in external environment condition.
Wherein, method also includes:
Obtaining the real-time driving information from car and other vehicle from car periphery, driving information includes: velocity information, acceleration information, angular velocity information and steering wheel angle information；
According to the real-time driving information from car and other vehicle from car periphery, emulation obtains from the suggestion driver behavior of car, advises the execution time of driver behavior and drive information, drives information and includes driving arrow and ride；
Front windshield shows suggestion driver behavior, advises the execution time of driver behavior and drive information.
Embodiments of the invention additionally provide a kind of device driving prompting, and this device includes:
First acquisition module, for obtaining the first real-time position information from car driver's eyes；
Second acquisition module, for obtaining the second real-time position information of object in external environment condition；
Determine module, for according to the first real-time position information and the second real-time position information, it is determined that the object real-time virtual display position at front windshield place；
First display module, for generating and show the virtual image of object on front windshield.
Wherein, the first acquisition module includes:
First module, for by from car positioner, obtaining the 3rd real-time position information from car；
Second unit, for the measurement device by installing on car, when recording from the distance between car driver's eyes and measurement device and record distance every time measurement device horizontally rotate angle and vertical rotation angle, obtain the driver's eyes potential difference relative to measurement device；
Unit the 3rd, for according to the 3rd real-time position information, the measurement device that is previously obtained relative to from the potential difference of car positioner and from the car driver's eyes potential difference relative to measurement device, calculate the first real-time position information obtained from car driver's eyes.
Wherein, the second acquisition module includes:
Unit the 4th, for being communicated by high in the clouds or inter-vehicle communication or bus or train route communication, obtains the second real-time position information of other vehicle from car periphery；And/or,
Unit the 5th, is used for by analytical map data or is communicated by bus or train route, obtains the second real-time position information from the building of car periphery, track, crossing or section.
Wherein it is determined that module includes:
Unit the 6th, for according to the first real-time position information and the second real-time position information, determine connection straight line of object position in car driver's eyes position and external environment condition, according to straight line incident point on front windshield, it is determined that the object real-time virtual display position at front windshield place in external environment condition.
Wherein, device also includes:
3rd acquisition module, for obtaining the real-time driving information from car and other vehicle from car periphery, driving information includes: velocity information, acceleration information, angular velocity information and steering wheel angle information；
Emulation module, for according to from the real-time driving information of car and other vehicle from car periphery, emulation obtains from the suggestion driver behavior of car, advises the execution time of driver behavior and drive information, drives information and includes driving arrow and ride；
Second display module, for showing suggestion driver behavior, advising the execution time of driver behavior and drive information on front windshield.
The such scheme of the present invention at least includes following beneficial effect:
In the method driving prompting of the embodiment of the present invention, by from the first real-time position information of car driver's eyes, the second real-time position information with object in the external environment condition of car periphery, determine that in external environment condition, object is in the virtual display position at shield glass place, and on front windshield, show the virtual image of these objects.Simultaneously, it is possible on front windshield, show suggestion driver behavior, execution time of suggestion driver behavior and drive information, being so easy to driver's quick obtaining accurate understanding and drive information, driving that can be more convenient, efficient, safe.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the method driving prompting in the embodiment of the present invention；
Fig. 2 is the concrete steps flow chart of step 11 in Fig. 1 in the embodiment of the present invention；
Fig. 3 is the schematic diagram of the real-time virtual display position determining object in the embodiment of the present invention at front windshield place；
Fig. 4 is the structural representation of the device driving prompting in the embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, it is described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The embodiment of the present invention is for driving reminding method problem not intuitively in prior art, provide a kind of method driving prompting and device, driving information can be shown intuitively and accurately, it is easy to human pilot quick obtaining and accurate understanding drives information, thus more convenient, efficient, safe driving.
As it is shown in figure 1, The embodiment provides a kind of method driving prompting, the method includes:
Step 11, obtains the first real-time position information from car driver's eyes.
Step 12, obtains the second real-time position information of object in external environment condition.
In a particular embodiment of the present invention, the object in external environment condition include from car driver can be visual and blocked by other object can not be visual, specifically include from other vehicle of car periphery, building, track, crossing and section.So-called periphery refers to according to from the direct of travel of car, it is determined that be positioned at the region with preset range size from front side.
Step 13, according to the first real-time position information and the second real-time position information, it is determined that the object real-time virtual display position at front windshield place.
Step 14, generates and shows the virtual image of object on front windshield.
In a particular embodiment of the present invention, when driving, be likely to from other vehicle of car periphery, building, track, crossing and section with from car generation vehicle accident, therefore, need to show the virtual image of these objects on the front windshield of automobile, these objects can be escaped smoothly from car driver, it is to avoid cause danger.Specifically, the second real-time position information of the first real-time position information and these objects obtaining driver's eyes can be passed through, determine these objects virtual reality position on front windshield, and on front windshield, generate, show the virtual image of these objects.
In a particular embodiment of the present invention, in the traveling process of automobile, it is also possible to occurring that an object is blocked by another object, driver can't see the situation of the object being blocked.Such as, intersecting or crossing of turning round, driver is probably due to some shelter objects such as () such as high-rise buildings, it is impossible to see vehicle or pedestrian that the opposing party travels upwardly, it is easy to cause vehicle accident, initiation potential.And in an embodiment of the present invention, it is possible to the object these being blocked, to show on shield glass in the way of virtual image, thus can be avoided occurring these dangerous, improves the safety driven.This process can be real-time, thus producing position dynamically change the effect of movement, based on the virtual target demonstrated, driver can perceive from the close car of other direction or pedestrian, thus taking the corresponding precautionary measures, it is to avoid the generation of accident.
In a particular embodiment of the present invention, owing to the imaging time of human eye is 0.1s, therefore the frequency obtaining the first real-time position information and the second real-time position information can be set to 10Hz, so for driver, the acquisition process of the first real-time position information and the second real-time position information is equivalent to be real-time, thus producing position dynamically change the effect of movement, driver can perceive the object in external environment condition, to take the corresponding precautionary measures, it is to avoid the generation of accident.
In the above embodiment of the present invention, illustrating for a concrete example, when going down from car, should turn right at the 2nd cross road mouth in navigation front by path, and there are two forks in the road at, 75 meters of front, 90 meters of simultaneously.If the words being navigated by prior art, it is possible to which fork in the road is hard to tell is, and the said method of the embodiment of the present invention can directly on front windshield superposition go out real fork in the road, and be navigated, so make navigation more visual in image.
In the above embodiment of the present invention, as in figure 2 it is shown, the concretely comprising the following steps of step 11 in Fig. 1:
Step 21, by from car positioner, obtaining the 3rd real-time position information from car.
In a particular embodiment of the present invention, high accuracy satellite positioning unit and Inertial Measurement Unit is included from car positioner, therefore, can obtaining the 3rd real-time position information from car by high accuracy satellite positioning unit or high accuracy satellite positioning unit in conjunction with Inertial Measurement Unit, wherein Inertial Measurement Unit is the device of Measuring Object three-axis attitude angle (or angular speed) and acceleration.
Step 22, by car install measurement device, when recording from the distance between car driver's eyes and measurement device and record distance every time measurement device horizontally rotate angle and vertical rotation angle, obtain the driver's eyes potential difference relative to measurement device；
In a particular embodiment of the present invention, the measurement device being fixed in car is made up of photographic head, infrared range-measurement system and two dimension rotating shaft.Wherein, infrared range-measurement system and camera device can pass through two dimension rotating shaft transmission, namely can horizontally rotate and vertical rotation.Wherein, measurement device relatively from the fixing potential difference of car positioner be P.The measurement device eyes by photographic head identification driver, control the rotation of two dimension rotating shaft, follow the tracks of the direction of this human eye, are measured the distance d between eyes and this measurement device by infrared range-measurement system simultaneously.And after having surveyed distance, what record measurement device self horizontally rotates angle δ 1 and vertical rotation angle δ 2 every time.Finally by distance d, horizontally rotate angle δ 1 and vertical rotation angle δ 2 just can obtain the driver's eyes potential difference T relative to measurement device.Wherein, by distance d, horizontally rotate angle δ 1 and vertical rotation angle δ 2 calculates the driver's eyes method relative to the potential difference T of measurement device and can adopt existing techniques in realizing, do not repeat them here.
Step 23, according to the 3rd real-time position information, the measurement device that is previously obtained relative to from the potential difference of car positioner and from the car driver's eyes potential difference relative to measurement device, calculates the first real-time position information obtained from car driver's eyes.
In a particular embodiment of the present invention, from the first real time position of car driver's eyes equal to from the 3rd real time position of car, measurement device relatively from potential difference sum relative to measurement device of the fixing potential difference of car positioner and driver's eyes.
In the above embodiment of the present invention, obtain the step of the second real-time position information of object in external environment condition and include: communicated by high in the clouds or inter-vehicle communication or bus or train route communication, obtain the second real-time position information of other vehicle from car periphery；And/or, by analytical map data or communicated by bus or train route, obtain the second real-time position information from the building of car periphery, track, crossing or section, wherein, map can be high accuracy map.
In the above embodiment of the present invention, as shown in Figure 3, according to the first real-time position information and the second real-time position information, determine that the step of the object real-time virtual display position at front windshield place includes: according to the first real-time position information and the second real-time position information, determine connection straight line of object position in car driver's eyes position and external environment condition, according to straight line incident point on front windshield, it is determined that the object real-time virtual display position at front windshield place in external environment condition.
In a particular embodiment of the present invention, incident point is probably a point, when display, it is possible to centered by this point, shows virtual image.
In the above embodiment of the present invention, said method also includes:
Obtain the real-time driving information from car and other vehicle from car periphery, driving information includes: velocity information, acceleration information, angular velocity information and steering wheel angle information, specifically, it is possible to communicated by high in the clouds or inter-vehicle communication or bus or train route communication obtain real-time driving information；According to the real-time driving information from car and other vehicle from car periphery, emulation obtains from the suggestion driver behavior of car, advises the execution time of driver behavior and drive information, drives information and includes driving arrow and ride；Front windshield shows suggestion driver behavior, advises the execution time of driver behavior and drive information.
In a particular embodiment of the present invention, when the action such as need to carry out lane-change from car, overtake other vehicles, can based on information such as analogue system and the position of other vehicle from car periphery got, acceleration, speed, it is thus achieved that vehicle carries out the execution time (i.e. Best Times) of above-mentioned action.Accordingly, it is possible on the front windshield of car, automatically generating corresponding lane-change or overtake other vehicles, and the prompting of this Best Times, driver is after seeing this prompting, it is possible to take aforesaid operations at reasonable time, it is achieved lane-change or overtake other vehicles safely.
In a particular embodiment of the present invention, illustrating for the concrete example of, two cars of fast running in high speed, front truck speed is 40km/h, is 76km/h from car speed.Being communicated the vehicle movement information that gets by high in the clouds, location finding two car spacing 100 meters, travel direction without other vehicle and is in the rate of curving from car and meets on the bend of the condition of overtaking other vehicles in the same direction.Will reminding driver through above-mentioned simulation process, be directly overtake other vehicles from car the best driving mode, Best Times of overtaking other vehicles is in 5 seconds currently started.
In order to better realize above-mentioned purpose, as shown in Figure 4, embodiments of the invention are a kind of device driving prompting also, and this device includes:
First acquisition module 41, for obtaining the first real-time position information from car driver's eyes；
Second acquisition module 42, for obtaining the second real-time position information of object in external environment condition；
Determine module 43, for according to the first real-time position information and the second real-time position information, it is determined that the object real-time virtual display position at front windshield place；
First display module 44, for generating and show the virtual image of object on front windshield.
Wherein, the first acquisition module 41 includes:
First module, for by from car positioner, obtaining the 3rd real-time position information from car；
Second unit, for the measurement device by installing on car, when recording from the distance between car driver's eyes and measurement device and record distance every time measurement device horizontally rotate angle and vertical rotation angle, obtain the driver's eyes potential difference relative to measurement device；
Unit the 3rd, for according to the 3rd real-time position information, the measurement device that is previously obtained relative to from the potential difference of car positioner and from the car driver's eyes potential difference relative to measurement device, calculate the first real-time position information obtained from car driver's eyes.
Wherein, the second acquisition module 42 includes:
Unit the 4th, for being communicated by high in the clouds or inter-vehicle communication or bus or train route communication, obtains the second real-time position information of other vehicle from car periphery；And/or,
Unit the 5th, is used for by analytical map data or is communicated by bus or train route, obtains the second real-time position information from the building of car periphery, track, crossing or section.
Wherein it is determined that module 43 includes:
Unit the 6th, for according to the first real-time position information and the second real-time position information, determine connection straight line of object position in car driver's eyes position and external environment condition, according to straight line incident point on front windshield, it is determined that the object real-time virtual display position at front windshield place in external environment condition.
Wherein, device also includes:
3rd acquisition module, for obtaining the real-time driving information from car and other vehicle from car periphery, driving information includes: velocity information, acceleration information, angular velocity information and steering wheel angle information；
Emulation module, for according to from the real-time driving information of car and other vehicle from car periphery, emulation obtains from the suggestion driver behavior of car, advises the execution time of driver behavior and drive information, drives information and includes driving arrow and ride；
Second display module, for showing suggestion driver behavior, advising the execution time of driver behavior and drive information on front windshield.
It should be noted that the device driving prompting that the embodiment of the present invention provides be should device in aforementioned manners, namely all embodiments of said method are all suitable in this device, and all can reach same or analogous beneficial effect.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from principle of the present invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. the method driving prompting, it is characterised in that including:
Obtain the first real-time position information from car driver's eyes；
Obtain the second real-time position information of object in external environment condition；
According to described first real-time position information and described second real-time position information, it is determined that the described object real-time virtual display position at front windshield place；
Described front windshield generates and shows the virtual image of described object.
2. the method for claim 1, it is characterised in that described acquisition includes from the step of the first real-time position information of car driver's eyes:
By from car positioner, obtaining the 3rd real-time position information from car；
By the measurement device installed on car, when recording from the distance between car driver's eyes and described measurement device and record described distance every time described measurement device horizontally rotate angle and vertical rotation angle, obtain the driver's eyes potential difference relative to described measurement device；
According to described 3rd real-time position information, the described measurement device that is previously obtained relative to the described potential difference from car positioner and the described potential difference from car driver's eyes relative to described measurement device, calculate the first real-time position information obtained from car driver's eyes.
3. the method for claim 1, it is characterised in that in described acquisition external environment condition, the step of the second real-time position information of object includes:
Communicated by high in the clouds or inter-vehicle communication or bus or train route communication, obtain the second real-time position information of other vehicle from car periphery；And/or,
By analytical map data or communicated by bus or train route, obtain the second real-time position information from the building of car periphery, track, crossing or section.
4. the method for claim 1, it is characterised in that described according to described first real-time position information with described second real-time position information, it is determined that the step of the described object real-time virtual display position at front windshield place includes:
According to described first real-time position information and described second real-time position information, determine connection straight line of object position in car driver's eyes position and described external environment condition, according to described straight line incident point on described front windshield, it is determined that the object real-time virtual display position at described front windshield place in described external environment condition.
5. the method for claim 1, it is characterised in that described method also includes:
Obtaining the real-time driving information from car and other vehicle from car periphery, described driving information includes: velocity information, acceleration information, angular velocity information and steering wheel angle information；
According to the described real-time driving information from car and other vehicle from car periphery, emulation obtains from the suggestion driver behavior of car, execution time of described suggestion driver behavior and drives information, and described driving information includes driving arrow and ride；
Described front windshield shows described suggestion driver behavior, execution time of described suggestion driver behavior and described driving information.
6. the device driving prompting, it is characterised in that including:
First acquisition module, for obtaining the first real-time position information from car driver's eyes；
Second acquisition module, for obtaining the second real-time position information of object in external environment condition；
Determine module, for according to described first real-time position information and described second real-time position information, it is determined that the described object real-time virtual display position at front windshield place；
First display module, for generating and show the virtual image of described object on described front windshield.
7. device as claimed in claim 6, it is characterised in that described first acquisition module includes:
First module, for by from car positioner, obtaining the 3rd real-time position information from car；
Second unit, for the measurement device by installing on car, when recording from the distance between car driver's eyes and described measurement device and record described distance every time described measurement device horizontally rotate angle and vertical rotation angle, obtain the driver's eyes potential difference relative to described measurement device；
Unit the 3rd, for according to described 3rd real-time position information, the described measurement device that is previously obtained relative to the described potential difference from car positioner and the described potential difference from car driver's eyes relative to described measurement device, calculate the first real-time position information obtained from car driver's eyes.
8. device as claimed in claim 6, it is characterised in that described second acquisition module includes:
Unit the 4th, for being communicated by high in the clouds or inter-vehicle communication or bus or train route communication, obtains the second real-time position information of other vehicle from car periphery；And/or,
Unit the 5th, is used for by analytical map data or is communicated by bus or train route, obtains the second real-time position information from the building of car periphery, track, crossing or section.
9. device as claimed in claim 6, it is characterised in that described determine that module includes:
Unit the 6th, for according to described first real-time position information and described second real-time position information, determine connection straight line of object position in car driver's eyes position and described external environment condition, according to described straight line incident point on described front windshield, it is determined that the object real-time virtual display position at described front windshield place in described external environment condition.
10. device as claimed in claim 1, it is characterised in that described device also includes:
3rd acquisition module, for obtaining the real-time driving information from car and other vehicle from car periphery, described driving information includes: velocity information, acceleration information, angular velocity information and steering wheel angle information；
Emulation module, for according to the described real-time driving information from car and other vehicle from car periphery, emulation obtains from the suggestion driver behavior of car, execution time of described suggestion driver behavior and drives information, and described driving information includes driving arrow and ride；
Second display module, for showing described suggestion driver behavior, execution time of described suggestion driver behavior and described driving information on described front windshield.
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