CN113276775B - Intelligent adjusting method for outer rearview mirror - Google Patents
Intelligent adjusting method for outer rearview mirror Download PDFInfo
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- CN113276775B CN113276775B CN202110454319.1A CN202110454319A CN113276775B CN 113276775 B CN113276775 B CN 113276775B CN 202110454319 A CN202110454319 A CN 202110454319A CN 113276775 B CN113276775 B CN 113276775B
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- rearview mirror
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The invention provides an intelligent adjusting method of an external rearview mirror, which comprises the following steps: establishing a corresponding relation between the head posture of a driver and the turnover of the outer rearview mirror; collecting real-time pictures of the head and eyeballs of a driver; judging whether a driver watches the outer rearview mirror; if not, the outer rearview mirror keeps the default position; if so, acquiring head posture information of the driver; generating external rearview mirror turnover information corresponding to the acquired head posture information of the driver according to the corresponding relation between the head posture of the driver and the external rearview mirror turnover; according to the intelligent adjusting method of the external rearview mirror, the adjusting information of the external rearview mirror is determined by collecting the head posture information of the driver, so that the external rearview mirror can be conveniently turned by the system, the external rearview mirror can be adjusted to the angle required by the driver, the adjusting process is safer and more reliable, the operation is convenient, and unnecessary risks are avoided.
Description
Technical Field
The invention relates to the technical field of automobile control systems, in particular to an intelligent adjusting method for an external rearview mirror.
Background
At present, two kinds of curvature rearview mirrors are assembled on a household car and an SUV (sports utility vehicle) almost rarely, the function that the rearview mirror with a reverse gear is automatically turned down can be realized on a high-end car model, the problem of a dead zone of a rear wheel of the car during reversing is solved to a certain extent, but all scenes cannot be guaranteed to be all the while, manual adjustment of the rearview mirror during reversing is troublesome, the rearview mirror is required to be turned back after reversing is finished, and meanwhile, partial energy is dispersed to the adjustment process, so that unnecessary risks are easily caused.
Disclosure of Invention
In view of the above, the present invention is directed to an intelligent adjusting method for an exterior mirror, so as to solve all or one of the problems mentioned in the background art.
Based on the above purpose, the invention provides an intelligent adjusting method of an external rearview mirror, which comprises the following steps:
establishing a corresponding relation between the head posture of a driver and the turnover of the outer rearview mirror;
collecting real-time pictures of the head and eyeballs of a driver;
judging whether a driver watches the outer rearview mirror;
if not, the outer rearview mirror keeps the default position; if so, acquiring head posture information of the driver;
generating external rearview mirror turnover information corresponding to the acquired head posture information of the driver according to the corresponding relation between the head posture of the driver and the external rearview mirror turnover;
and adjusting the external rearview mirror according to the generated external rearview mirror turnover information, and returning to execute the step of judging whether the driver watches the external rearview mirror.
Optionally, the head posture information of the driver includes direction information and angle information of the head of the driver offset with respect to the front of the driver, and the outside rear view mirror turning information includes turning direction information and turning angle information of the outside rear view mirror with respect to a default position.
Optionally, the corresponding relationship between the head posture and the turnover of the exterior mirror is as follows:
when the head is turned upwards by an angle larger than 12 degrees, the outer rearview mirror is turned upwards by 6 degrees;
when the head is turned upwards by an angle of 6-12 degrees, the outer rearview mirror is turned upwards by 3 degrees;
when the head part is turned upwards or downwards within 6 degrees, the outer rearview mirror keeps the default position;
when the head is turned downwards by an angle of 6-12 degrees, the outer rearview mirror is turned downwards by 3 degrees;
when the head part is folded downwards by an angle between 12 degrees and 18 degrees, the outer rearview mirror is folded downwards by 6 degrees;
when the head is turned downwards by an angle larger than 18 degrees, the outer rearview mirror is turned downwards by 9 degrees;
when the head is turned leftwards by an angle larger than 12 degrees, the outer rearview mirror is turned leftwards by 6 degrees;
when the head is turned leftwards by an angle of 6-12 degrees, the outer rearview mirror is turned leftwards by 3 degrees;
when the head is turned leftwards or rightwards within 6 degrees, the exterior rearview mirror keeps the default device;
when the head is turned rightwards and the angle is between 6 degrees and 12 degrees, the outer rearview mirror is turned rightwards by 3 degrees;
when the head part is folded rightwards by an angle larger than 12 degrees, the external rearview mirror is turned rightwards by 6 degrees.
Optionally, the following step is further included between the step of adjusting the external rear view mirror according to the generated external rear view mirror folding information and the step of returning to execute the step of determining whether the driver is watching the external rear view mirror:
and judging whether the driver gives a preset instruction or not, and if so, updating the current position of the external rearview mirror to the default position.
Optionally, the preset instruction is a continuous blinking motion of two times.
Optionally, the determining whether the driver is looking at the external rear view mirror specifically includes:
constructing a visual zone of a driver, comprising: the system comprises a front road, a right front road, a left front road, an inner rearview mirror, a combination instrument, central control navigation, gear control, an outer rearview mirror and a main driving cosmetic mirror;
and judging whether the duration time of the driver watching the external rear view mirror exceeds the preset time, if so, judging that the driver is watching the external rear view mirror, and if not, judging that the driver is not watching the external rear view mirror.
Optionally, the preset time is 500ms.
From the above, the intelligent adjustment method for the external rearview mirror provided by the invention judges whether the vehicle enters a reversing state or not by collecting the sight of the driver, and determines the adjustment information of the external rearview mirror by collecting the head posture information of the driver, so that the system can turn over the external rearview mirror, the external rearview mirror is adjusted to the angle required by the driver, the adjustment process is safer and more reliable, the operation is convenient, and unnecessary risks are avoided.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
Fig. 1 is a schematic flow chart of an intelligent adjustment method for an exterior mirror according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of an intelligent adjusting method for an exterior mirror according to another embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be understood that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
One or more embodiments of the present specification disclose an intelligent adjustment method for an exterior mirror, comprising the steps of:
s100, establishing a corresponding relation between the head posture of a driver and the turnover of an external rearview mirror;
s200, collecting real-time pictures of the head and eyeballs of a driver;
s300, judging whether a driver watches the outer rearview mirror;
if not, the outer rearview mirror keeps the default position;
s400, if yes, obtaining head posture information of the driver;
s500, generating external rearview mirror turnover information corresponding to the acquired head posture information of the driver according to the corresponding relation between the head posture of the driver and the external rearview mirror turnover;
s600, adjusting the external rearview mirror according to the generated external rearview mirror turnover information, and returning to execute the step of judging whether the driver watches the external rearview mirror.
Referring to fig. 1, firstly, a corresponding relationship between the head posture of the driver and the turning of the external rearview mirror is established, the adjusting directions of the external rearview mirror are four, namely upward, downward, leftward and rightward, and the head of the driver can also rotate in the same direction, the adjusting direction of the external rearview mirror is determined according to the rotating direction of the head of the driver, the adjusting angle of the external rearview mirror is determined according to the rotating angle of the head of the driver, the number of the external rearview mirror is two, the external rearview mirror is respectively arranged at the left front and the right front of the automobile, during the backing process, real-time pictures of the head and eyeballs of the driver are collected, at least one camera is arranged in the automobile to collect relevant information of the driver, real-time collection is kept, the sight line of the driver is distinguished according to the Gaze eye movement tracking technology, whether the current sight line of the driver is concentrated on the external rearview mirror is judged, generally, during normal driving, the sight of a driver is concentrated in the front, during lane changing or overtaking, the time for observing the outer rearview mirrors is short, which can be ignored, but during backing, the time for the driver to observe through the two outer rearview mirrors is greatly increased, when the sight of the driver is concentrated on any one outer rearview mirror, the driver can be obtained to back, therefore, the head posture information of the driver is further obtained through the camera, under the normal driving state, the two outer rearview mirrors are used for observing the vehicle conditions at the rear sides of the automobile, but the conditions of the rear wheels of the automobile cannot be seen, but during backing, the driver is more aware of the conditions of the two rear wheels, so that the driver needs to adjust the sight through adjusting the head posture to conveniently see the vehicle rear conditions observed through the outer rearview mirrors, and the sight can reach the rear wheels of the automobile, the method comprises the steps of acquiring head posture information of a driver, determining the head posture information of the driver through video information acquired by a camera, determining the rotation direction and the rotation angle of the head of the driver by taking the right front of the driver as an origin, generating outer rear view mirror turnover information corresponding to the acquired head posture information of the driver according to the corresponding relation between the head posture of the driver and the outer rear view mirror turnover, transmitting the turnover information to a control module of the outer rear view mirror through a CAN (controller area network), and simultaneously carrying out turnover adjustment on the outer rear view mirror.
In summary, the intelligent adjustment method for the exterior rear view mirror provided by the invention judges whether the vehicle enters a reversing state by collecting the sight line of the driver, and determines the adjustment information of the exterior rear view mirror by collecting the head posture information of the driver, so that the system can turn over the exterior rear view mirror, the exterior rear view mirror is adjusted to the angle required by the driver, the adjustment process is safer and more reliable, the operation is convenient, and unnecessary risks are avoided.
In some alternative embodiments, the driver's head pose information comprises direction information and angle information by which the driver's head is offset with respect to directly in front of the driver, and the outer mirror fold information comprises fold direction information and fold angle information by which the outer mirror is folded with respect to a default position.
In some optional embodiments, the corresponding relationship between the head pose and the outer mirror fold is:
when the head is turned upwards by an angle larger than 12 degrees, the outer rearview mirror is turned upwards by 6 degrees;
when the head is turned upwards by an angle of 6-12 degrees, the outer rearview mirror is turned upwards by 3 degrees;
when the head part is turned upwards or downwards and downwards within 6 degrees, the outer rearview mirror keeps the default position;
when the head part is folded downwards by an angle between 6 degrees and 12 degrees, the outer rearview mirror is folded downwards by 3 degrees;
when the head part is folded downwards by an angle between 12 degrees and 18 degrees, the outer rearview mirror is folded downwards by 6 degrees;
when the head is turned downwards by an angle larger than 18 degrees, the outer rearview mirror is turned downwards by 9 degrees;
when the head is turned leftwards by an angle larger than 12 degrees, the outer rearview mirror is turned leftwards by 6 degrees;
when the head is turned leftwards by an angle of 6-12 degrees, the outer rearview mirror is turned leftwards by 3 degrees;
when the head is turned leftwards or rightwards to be within 6 degrees, the exterior rearview mirror keeps the default device;
when the head is turned rightwards and the angle is between 6 degrees and 12 degrees, the outer rearview mirror is turned rightwards by 3 degrees;
when the head is turned rightwards by an angle larger than 12 degrees, the outer rearview mirror is turned rightwards by 6 degrees, and the calibration and fine adjustment of the angle parameters are adjusted according to the mean square error parameters after a large number of samples are learned.
In some optional embodiments, referring to fig. 2, between the step of adjusting the external rear view mirror according to the generated external rear view mirror folding information and the step of returning to perform the step of determining whether the driver is looking at the external rear view mirror, the following steps are further included:
s700, judging whether a driver gives a preset instruction or not, and S800, if so, updating the current position of the outer rearview mirror to a default position.
Further, the adjusting method provided by the present invention is not limited to a reverse scene, and for different drivers of the same vehicle, the default position of the external rear view mirror is different, and the external rear view mirror is also based on the default position of the external rear view mirror during adjustment.
In some optional embodiments, the preset instruction is a double-blink action, the line of sight and the head posture of the driver can be collected through the camera, and the preset instruction is set to be double-blink continuously, so that the camera can collect the instruction conveniently, and manual operation of the driver is not needed.
In some optional embodiments, the determining whether the driver is looking at the outer rear view mirror specifically includes:
constructing a visual zone of a driver, comprising: the system comprises a front road, a right front road, a left front road, an inner rearview mirror, a combination instrument, a central control navigation, a gear control, an outer rearview mirror and a main driving cosmetic mirror;
and judging whether the duration time of the driver gazing at the external rear-view mirror exceeds the preset time, if so, judging that the driver gazes at the external rear-view mirror, and if not, judging that the driver does not gaze at the external rear-view mirror.
In some optional embodiments, the preset time is 500ms, and the preset time can be adjusted according to practical application.
The foregoing description of specific embodiments has been presented for purposes of illustration and description. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; features from the above embodiments, or from different embodiments, may also be combined, steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments of the present description, as described above, which are not provided in detail for the sake of brevity.
In addition, well-known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure one or more embodiments of the description. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the understanding of one or more embodiments of the present description, and this also takes into account the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the one or more embodiments of the present description are to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the disclosure, it should be apparent to one skilled in the art that one or more embodiments of the disclosure can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures, such as Dynamic RAM (DRAM), may use the discussed embodiments.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (2)
1. An intelligent adjusting method of an external rearview mirror is characterized by comprising the following steps:
establishing a corresponding relation between the head posture of a driver and the turnover of the external rearview mirror;
collecting real-time pictures of the head and eyeballs of a driver;
judging whether a driver watches the outer rearview mirror;
if not, the outer rearview mirror keeps the default position; if so, acquiring head posture information of the driver;
generating external rearview mirror turnover information corresponding to the acquired head posture information of the driver according to the corresponding relation between the head posture of the driver and the external rearview mirror turnover;
adjusting the external rearview mirror according to the generated external rearview mirror turnover information, and returning to execute the step of judging whether the driver watches the external rearview mirror;
the head posture information of the driver includes direction information and angle information of the head of the driver offset relative to the right front of the driver, and the external rear view mirror turning information includes turning direction information and turning angle information of the external rear view mirror relative to a default position;
the corresponding relation between the head posture and the turnover of the outer rearview mirror is as follows:
when the head is turned upwards by an angle larger than 12 degrees, the outer rearview mirror is turned upwards by 6 degrees;
when the head is turned upwards by an angle of 6-12 degrees, the outer rearview mirror is turned upwards by 3 degrees;
when the head is turned upwards or downwards within 6 degrees, the outer rearview mirror keeps the default position;
when the head is turned downwards by an angle of 6-12 degrees, the outer rearview mirror is turned downwards by 3 degrees;
when the head part is turned downwards by an angle between 12 degrees and 18 degrees, the outer rearview mirror is turned downwards by 6 degrees;
when the head is turned downwards by an angle larger than 18 degrees, the outer rearview mirror is turned downwards by 9 degrees;
when the head is turned leftwards by an angle larger than 12 degrees, the outer rearview mirror is turned leftwards by 6 degrees;
when the head is turned leftwards by an angle between 6 and 12 degrees, the outer rearview mirror is turned leftwards by 3 degrees;
when the head is turned leftwards or rightwards to be within 6 degrees, the exterior rearview mirror keeps the default device;
when the head is turned rightwards and the angle is between 6 degrees and 12 degrees, the outer rearview mirror is turned rightwards by 3 degrees;
when the head is turned rightwards by an angle larger than 12 degrees, the outer rearview mirror is turned rightwards by 6 degrees;
the method also comprises the following steps between the step of adjusting the external rearview mirror according to the generated external rearview mirror turnover information and the step of returning to execute the step of judging whether the driver watches the external rearview mirror or not: judging whether a driver gives a preset instruction or not, and if so, updating the current position of the external rearview mirror to a default position;
the preset instruction is a blink action for two times continuously;
the judging whether the driver watches the outer rearview mirror specifically comprises the following steps:
constructing a visual zone of a driver, comprising: the system comprises a front road, a right front road, a left front road, an inner rearview mirror, a combination instrument, a central control navigation, a gear control, an outer rearview mirror and a main driving cosmetic mirror;
and judging whether the duration time of the driver gazing at the external rear-view mirror exceeds the preset time, if so, judging that the driver gazes at the external rear-view mirror, and if not, judging that the driver does not gaze at the external rear-view mirror.
2. The intelligent adjustment method of an exterior mirror according to claim 1, wherein the preset time is 500ms.
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| CN202110454319.1A CN113276775B (en) | 2021-04-26 | 2021-04-26 | Intelligent adjusting method for outer rearview mirror |
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| CN104590130A (en) * | 2015-01-06 | 2015-05-06 | 上海交通大学 | Rearview mirror self-adaptive adjustment method based on image identification |
| CN105522968A (en) * | 2015-12-21 | 2016-04-27 | 浙江大学 | Automatic adjustment system for automobile rearview mirrors |
| CN106740493A (en) * | 2016-12-15 | 2017-05-31 | 北京小米移动软件有限公司 | Rearview mirror method of adjustment, device, equipment and system |
| CN107031510A (en) * | 2016-12-29 | 2017-08-11 | 宁波吉利汽车研究开发有限公司 | A kind of outside rear-view mirror system for regulating angle |
| CN107599981A (en) * | 2017-10-26 | 2018-01-19 | 南京卡莱德汽车照明系统有限公司 | A kind of control method of automobile rearview mirror |
| CN110962746B (en) * | 2019-12-12 | 2022-07-19 | 上海擎感智能科技有限公司 | Driving assisting method, system and medium based on sight line detection |
| CN111332205A (en) * | 2020-03-26 | 2020-06-26 | 一汽奔腾轿车有限公司 | Active exterior rearview mirror system and control method thereof |
| CN111532205B (en) * | 2020-05-13 | 2022-03-08 | 阿波罗智联(北京)科技有限公司 | Adjusting method, device and equipment of rearview mirror and storage medium |
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| JPH10255016A (en) * | 1997-03-13 | 1998-09-25 | Nissan Motor Co Ltd | Device for predicting driver's operation by blink |
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