CN114358219A - Remote navigation method and system - Google Patents
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- CN114358219A CN114358219A CN202111466828.2A CN202111466828A CN114358219A CN 114358219 A CN114358219 A CN 114358219A CN 202111466828 A CN202111466828 A CN 202111466828A CN 114358219 A CN114358219 A CN 114358219A
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Abstract
The invention discloses a remote navigation method and a system, comprising the following steps: acquiring real-time scenes acquired by a vehicle event data recorder; a plurality of roads of the real-time scene are marked with guide information to generate the real-time guide scene; responding to a remote navigation starting instruction of a user in the vehicle, displaying a real-time guide scene on a vehicle-mounted screen, uploading the real-time guide scene to a cloud server, generating a two-dimension code corresponding to the real-time guide scene by the cloud server, and returning the two-dimension code; receiving the two-dimensional code and displaying the two-dimensional code on a vehicle-mounted screen; the user in the vehicle shoots the two-dimensional code and sends the two-dimensional code to the client, and the client scans the two-dimensional code, analyzes and obtains the link of the two-dimensional code; the client downloads the real-time guide scene through the link, so that a user at the client can check the real-time guide scene and guide the user in the vehicle to travel to a correct route. The embodiment of the invention can reduce the possibility that the driver drives into the wrong route and improve the navigation experience.
Description
Technical Field
The invention relates to the technical field of navigation, in particular to a remote navigation method and system.
Background
At present, with the development of automobile industry in China and the improvement of living standard of people, automobiles increasingly enter common families, when a driver drives to a mountain area and the like without a navigation map or places with more intersections and more distances from a plurality of intersections, the driver cannot confirm which route can lead to a destination, so that the driver is easy to drive into a wrong route, and great trouble is caused to the driver.
Disclosure of Invention
The invention provides a remote navigation method, a remote navigation device, a remote navigation equipment and a vehicle, which are used for solving the problem that a driver easily drives in a wrong route in the prior art.
In order to achieve the above object, an embodiment of the present invention provides a remote navigation method, including:
the domain controller acquires real-time scenes acquired by the automobile data recorder;
the domain controller identifies a plurality of roads of the real-time scene and marks guide information on the plurality of roads to generate a real-time guide scene; wherein the real-time guidance scene is specifically the real-time scene marked with the guidance information;
responding to a remote navigation starting instruction of a user in the vehicle by the domain controller, displaying the real-time guide scene on a vehicle-mounted screen, uploading the real-time guide scene to a cloud server, generating a two-dimensional code corresponding to the real-time guide scene by the cloud server, and returning the two-dimensional code;
the domain controller receives the two-dimensional code and displays the two-dimensional code on the vehicle-mounted screen;
the user in the vehicle shoots the two-dimension code and sends the two-dimension code to the client, and the client scans the two-dimension code, analyzes and obtains the link of the two-dimension code;
and the client downloads the real-time guide scene through the link so that a client user can check the real-time guide scene and guide the in-vehicle user to drive to a correct route.
As an improvement of the above solution, after the client downloads the real-time guidance scene through the link, the method further includes:
enabling a manual editing mode by the client in response to a mode selection instruction of a client user to generate a real-time editing scene; the real-time editing scene is a real-time guiding scene carrying an arrow indication edited by a client user;
uploading the real-time editing scene to a cloud server, and returning the real-time editing scene to a domain controller by the cloud server;
the domain controller displays the real-time edited scene on the vehicle-mounted screen.
As an improvement of the above solution, the manual editing mode includes:
responding to the gesture operation of a client user in a manual editing mode, and acquiring a real-time editing scene which is edited by the client user under the gesture operation and carries an arrow indication.
As an improvement of the above solution, the client downloads the real-time guidance scene through the link, so that a client user views the real-time guidance scene and guides the in-vehicle user to travel to a correct route, including:
the client downloads the real-time guide scene through the link and displays the real-time guide scene on a screen of the client;
and the client user checks the real-time guide scene through the client and carries out real-time voice communication with the in-vehicle user so as to guide the in-vehicle user to drive to a correct route.
As an improvement of the above solution, the guidance information at least includes: an arrow indication, and a label corresponding to the arrow indication.
In order to achieve the above object, an embodiment of the present invention further provides a remote navigation system, including: the system comprises a domain controller, a cloud server and a client;
the domain controller is to:
acquiring real-time scenes acquired by a vehicle event data recorder;
identifying a plurality of roads of the real-time scene and marking guide information on the plurality of roads to generate a real-time guide scene; wherein the real-time guidance scene is specifically the real-time scene marked with the guidance information;
responding to a remote navigation starting instruction of a user in the vehicle, displaying the real-time guide scene on a vehicle-mounted screen, and uploading the real-time guide scene to a cloud server;
receiving a two-dimensional code which is generated by a cloud server and corresponds to the real-time guide scene, and displaying the two-dimensional code on the vehicle-mounted screen;
the cloud server is configured to:
receiving the real-time guide scene, generating a two-dimension code corresponding to the real-time guide scene and returning the two-dimension code to a domain controller;
the client is used for:
receiving the two-dimension code;
scanning the two-dimension code, analyzing and obtaining a link of the two-dimension code;
and downloading the real-time guide scene through the link so that the client user can check the real-time guide scene and guide the in-vehicle user to drive to a correct route.
As an improvement of the above solution, the client is further configured to:
enabling a manual editing mode to generate a real-time editing scene in response to a mode selection instruction of a client user; the real-time editing scene is a real-time guiding scene carrying an arrow indication edited by a client user;
uploading the real-time editing scene to a cloud server;
the cloud server is further configured to:
returning the real-time editing scene to a domain controller;
the domain control is further to:
displaying the real-time editing scene on the vehicle-mounted screen.
As an improvement of the above solution, the client is further configured to:
responding to the gesture operation of a client user in a manual editing mode, and acquiring a real-time editing scene which is edited by the client user under the gesture operation and carries an arrow indication.
As an improvement of the above solution, the client is further configured to:
downloading the real-time guide scene through the link, and displaying the real-time guide scene on a screen of a client;
and the client user checks the real-time guide scene through the client and carries out real-time voice communication with the in-vehicle user so as to guide the in-vehicle user to drive to a correct route.
As an improvement of the above solution, the guidance information at least includes: an arrow indication, and a label corresponding to the arrow indication.
Compared with the prior art, according to the remote navigation method and the system provided by the embodiment of the invention, the real-time scene collected by the automobile data recorder is marked with the guide information, the corresponding two-dimensional code is generated, the two-dimensional code is sent to the client, the link of the two-dimensional code is obtained by scanning the two-dimensional code, and the real-time scene marked with the guide information is downloaded through the link, so that a client user can conveniently find the real-time scene marked with the guide information and then inform the user in the automobile of driving according to the marked guide information, instead of informing the driving direction through oral description, the driver can intuitively confirm which route is to the destination, the possibility of driving into a wrong route is reduced, and the navigation experience is improved.
Drawings
FIG. 1 is a flow chart of a method for remote navigation according to an embodiment of the present invention;
fig. 2 is a block diagram of a remote navigation device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a flowchart of a remote navigation method according to an embodiment of the present invention, where the remote navigation method includes:
s1, the domain controller acquires real-time scenes collected by the automobile data recorder;
s2, the domain controller identifies a plurality of roads of the real-time scene and marks guide information on the plurality of roads to generate a real-time guide scene; wherein the real-time guidance scene is specifically the real-time scene marked with the guidance information;
s3, responding to a remote navigation starting instruction of a user in the vehicle, displaying the real-time guide scene on a vehicle-mounted screen by the domain controller, uploading the real-time guide scene to a cloud server, generating a two-dimension code corresponding to the real-time guide scene by the cloud server, and returning the two-dimension code;
s4, the domain controller receives the two-dimensional code and displays the two-dimensional code on the vehicle-mounted screen;
s5, shooting the two-dimension code by the user in the vehicle and sending the two-dimension code to the client, and scanning the two-dimension code by the client, analyzing and acquiring the link of the two-dimension code;
and S6, the client downloads the real-time guide scene through the link, so that the client user can check the real-time guide scene and guide the in-vehicle user to drive to a correct route.
It should be noted that the domain controller according to the embodiment of the present invention is a domain controller in a vehicle, which integrates multiple functions such as data processing and data communication, and has a strong service scheduling function and data processing capability. The domain controller can be connected with the automobile data recorder through the LVDS wiring harness.
It is understood that, in the embodiment of the present invention, the client includes a mobile phone.
According to the remote navigation method provided by the embodiment of the invention, the real-time scene collected by the automobile data recorder is marked with the guide information, the corresponding two-dimensional code is generated, the two-dimensional code is sent to the client, the link of the two-dimensional code is obtained by scanning the two-dimensional code, and the real-time scene marked with the guide information is downloaded through the link, so that a client user, namely a remote user, can conveniently inform an in-automobile user of driving according to the marked guide information after seeing the real-time scene marked with the guide information, instead of informing the driving direction through oral description, the driver can intuitively confirm which route is to the destination, the possibility of driving in a wrong route is reduced, and the navigation experience is improved.
Optionally, the guidance information at least includes: an arrow indication, and a label corresponding to the arrow indication.
It will be appreciated that in embodiments of the present invention, the domain controller identifies a number of roads of said real-time scene by means of an image processing algorithm and marks an arrow indication and a digital label corresponding to said arrow indication on a number of said roads to generate the real-time guiding scene.
Optionally, the downloading, by the client, the real-time guidance scene through the link, so that a client user views the real-time guidance scene and guides the in-vehicle user to travel to a correct route, includes:
the client downloads the real-time guide scene through the link and displays the real-time guide scene on a screen of the client;
and the client user checks the real-time guide scene through the client and carries out real-time voice communication with the in-vehicle user so as to guide the in-vehicle user to drive to a correct route.
Optionally, after the client downloads the real-time guidance scene through the link, the method further includes:
enabling a manual editing mode by the client in response to a mode selection instruction of a client user to generate a real-time editing scene; the real-time editing scene is a real-time guiding scene carrying an arrow indication edited by a client user;
uploading the real-time editing scene to a cloud server, and returning the real-time editing scene to a domain controller by the cloud server;
the domain controller displays the real-time edited scene on the vehicle-mounted screen.
Specifically, the manual editing mode includes:
responding to the gesture operation of a client user in a manual editing mode, and acquiring a real-time editing scene which is edited by the client user under the gesture operation and carries an arrow indication.
It can be understood that, in the case that the guidance information is unclear, for example, when the real-time scene collected at night is fuzzy, so that the guidance information cannot be clearly marked on each road intersection, the client user may start the manual editing mode, slide an arrow on the real-time guidance scene displayed on the client screen, generate the real-time editing scene to indicate the advancing direction of the user in the vehicle, and at this time, the real-time editing scene is sent to the domain controller through the cloud server to be displayed on the vehicle-mounted screen.
Referring to fig. 2, fig. 2 is a block diagram illustrating a remote navigation system 10 according to an embodiment of the present invention, where the remote navigation system 10 includes: a domain controller 11, a cloud server 12, and a client 13;
the domain controller 11 is configured to:
acquiring real-time scenes acquired by a vehicle event data recorder;
identifying a plurality of roads of the real-time scene and marking guide information on the plurality of roads to generate a real-time guide scene; wherein the real-time guidance scene is specifically the real-time scene marked with the guidance information;
responding to a remote navigation starting instruction of a user in the vehicle, displaying the real-time guide scene on a vehicle-mounted screen, and uploading the real-time guide scene to the cloud server 12;
receiving a two-dimensional code corresponding to the real-time guide scene generated by the cloud server 12 and displaying the two-dimensional code on the vehicle-mounted screen;
the cloud server 12 is configured to:
receiving the real-time guide scene, generating a two-dimensional code corresponding to the real-time guide scene, and returning the two-dimensional code to the domain controller 11;
the client 13 is configured to:
receiving the two-dimension code;
scanning the two-dimension code, analyzing and obtaining a link of the two-dimension code;
and downloading the real-time guide scene through the link so that the client user can check the real-time guide scene and guide the in-vehicle user to drive to a correct route.
Preferably, the client 13 is further configured to:
enabling a manual editing mode to generate a real-time editing scene in response to a mode selection instruction of a client user; the real-time editing scene is a real-time guiding scene carrying an arrow indication edited by a client user;
uploading the real-time editing scene to a cloud server;
the cloud server 12 is further configured to:
returning the real-time editing scene to the domain controller 11;
the domain control 11 is further configured to:
displaying the real-time editing scene on the vehicle-mounted screen.
Preferably, the client 13 is further configured to:
responding to the gesture operation of a client user in a manual editing mode, and acquiring a real-time editing scene which is edited by the client user under the gesture operation and carries an arrow indication.
Preferably, the client 13 is further configured to:
downloading the real-time guide scene through the link, and displaying the real-time guide scene on a screen of a client;
the client user checks the real-time guide scene through the client 13, and makes a real-time voice call with the in-vehicle user to guide the in-vehicle user to travel to a correct route.
Preferably, the guidance information includes at least: an arrow indication, and a label corresponding to the arrow indication.
It should be noted that, for the working process of each module in the remote navigation system 10 according to the embodiment of the present invention, reference may be made to the working process of the remote navigation method according to the above embodiment, which is not described herein again.
According to the remote navigation system provided by the embodiment of the invention, the real-time scene collected by the automobile data recorder is marked with the guide information, the corresponding two-dimensional code is generated, the two-dimensional code is sent to the client, the link of the two-dimensional code is obtained by scanning the two-dimensional code, and the real-time scene marked with the guide information is downloaded through the link, so that a client user, namely a remote user, can conveniently inform an in-automobile user of driving according to the marked guide information after seeing the real-time scene marked with the guide information, instead of informing the driving direction through oral description, a driver can intuitively confirm which route is to the destination, the possibility of driving in a wrong route is reduced, and the navigation experience is improved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A method of remote navigation, comprising:
the domain controller acquires real-time scenes acquired by the automobile data recorder;
the domain controller identifies a plurality of roads of the real-time scene and marks guide information on the plurality of roads to generate a real-time guide scene; wherein the real-time guidance scene is specifically the real-time scene marked with the guidance information;
responding to a remote navigation starting instruction of a user in the vehicle by the domain controller, displaying the real-time guide scene on a vehicle-mounted screen, uploading the real-time guide scene to a cloud server, generating a two-dimensional code corresponding to the real-time guide scene by the cloud server, and returning the two-dimensional code;
the domain controller receives the two-dimensional code and displays the two-dimensional code on the vehicle-mounted screen;
the user in the vehicle shoots the two-dimension code and sends the two-dimension code to the client, and the client scans the two-dimension code, analyzes and obtains the link of the two-dimension code;
and the client downloads the real-time guide scene through the link so that a client user can check the real-time guide scene and guide the in-vehicle user to drive to a correct route.
2. The remote navigation method of claim 1, after the client downloads the real-time guidance scene over the link, further comprising:
enabling a manual editing mode by the client in response to a mode selection instruction of a client user to generate a real-time editing scene; the real-time editing scene is a real-time guiding scene carrying an arrow indication edited by a client user;
uploading the real-time editing scene to a cloud server, and returning the real-time editing scene to a domain controller by the cloud server;
the domain controller displays the real-time edited scene on the vehicle-mounted screen.
3. The remote navigation method of claim 2, wherein the manual edit mode comprises:
responding to the gesture operation of a client user in a manual editing mode, and acquiring a real-time editing scene which is edited by the client user under the gesture operation and carries an arrow indication.
4. The method of claim 1, wherein the client downloads the real-time guidance view via the link for a client user to view the real-time guidance view and guide the in-vehicle user to travel to a correct route, comprising:
the client downloads the real-time guide scene through the link and displays the real-time guide scene on a screen of the client;
and the client user checks the real-time guide scene through the client and carries out real-time voice communication with the in-vehicle user so as to guide the in-vehicle user to drive to a correct route.
5. The remote navigation method of claim 1, wherein the guidance information includes at least: an arrow indication, and a label corresponding to the arrow indication.
6. A remote navigation system, comprising: the system comprises a domain controller, a cloud server and a client;
the domain controller is to:
acquiring real-time scenes acquired by a vehicle event data recorder;
identifying a plurality of roads of the real-time scene and marking guide information on the plurality of roads to generate a real-time guide scene; wherein the real-time guidance scene is specifically the real-time scene marked with the guidance information;
responding to a remote navigation starting instruction of a user in the vehicle, displaying the real-time guide scene on a vehicle-mounted screen, and uploading the real-time guide scene to a cloud server;
receiving a two-dimensional code which is generated by a cloud server and corresponds to the real-time guide scene, and displaying the two-dimensional code on the vehicle-mounted screen;
the cloud server is configured to:
receiving the real-time guide scene, generating a two-dimension code corresponding to the real-time guide scene and returning the two-dimension code to a domain controller;
the client is used for:
receiving the two-dimension code;
scanning the two-dimension code, analyzing and obtaining a link of the two-dimension code;
and downloading the real-time guide scene through the link so that the client user can check the real-time guide scene and guide the in-vehicle user to drive to a correct route.
7. The remote navigation system of claim 6,
the client is further configured to:
enabling a manual editing mode to generate a real-time editing scene in response to a mode selection instruction of a client user; the real-time editing scene is a real-time guiding scene carrying an arrow indication edited by a client user;
uploading the real-time editing scene to a cloud server;
the cloud server is further configured to:
returning the real-time editing scene to a domain controller;
the domain control is further to:
displaying the real-time editing scene on the vehicle-mounted screen.
8. The remote navigation system of claim 6,
the client is further configured to:
responding to the gesture operation of a client user in a manual editing mode, and acquiring a real-time editing scene which is edited by the client user under the gesture operation and carries an arrow indication.
9. The remote navigation system of claim 6,
the client is further configured to:
downloading the real-time guide scene through the link, and displaying the real-time guide scene on a screen of a client;
and the client user checks the real-time guide scene through the client and carries out real-time voice communication with the in-vehicle user so as to guide the in-vehicle user to drive to a correct route.
10. The remote navigation system of claim 6, wherein the guidance information includes at least: an arrow indication, and a label corresponding to the arrow indication.
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| CN202111466828.2A CN114358219B (en) | 2021-12-03 | 2021-12-03 | Remote navigation method and system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344241A (en) * | 2013-07-17 | 2013-10-09 | 广州市引领信息科技有限公司 | Method and system for obtaining navigation message from public electronic map |
| CN106441266A (en) * | 2015-08-05 | 2017-02-22 | 腾讯科技（深圳）有限公司 | Two-dimensional code-based navigation method and navigation system |
| CN109781136A (en) * | 2019-02-01 | 2019-05-21 | 谷东科技有限公司 | A kind of intelligent navigation method and system based on AR glasses |
| CN110455304A (en) * | 2019-08-05 | 2019-11-15 | 深圳市大拿科技有限公司 | Automobile navigation method, apparatus and system |
-
2021
- 2021-12-03 CN CN202111466828.2A patent/CN114358219B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344241A (en) * | 2013-07-17 | 2013-10-09 | 广州市引领信息科技有限公司 | Method and system for obtaining navigation message from public electronic map |
| CN106441266A (en) * | 2015-08-05 | 2017-02-22 | 腾讯科技（深圳）有限公司 | Two-dimensional code-based navigation method and navigation system |
| CN109781136A (en) * | 2019-02-01 | 2019-05-21 | 谷东科技有限公司 | A kind of intelligent navigation method and system based on AR glasses |
| CN110455304A (en) * | 2019-08-05 | 2019-11-15 | 深圳市大拿科技有限公司 | Automobile navigation method, apparatus and system |
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