WO2018119588A1

WO2018119588A1 - Method and system for realizing safe trip of blind person, and wearable device

Info

Publication number: WO2018119588A1
Application number: PCT/CN2016/112135
Authority: WO
Inventors: 王斌; 郭松
Original assignee: 深圳前海达闼云端智能科技有限公司
Priority date: 2016-12-26
Filing date: 2016-12-26
Publication date: 2018-07-05
Also published as: CN107072867A

Abstract

A method for realizing a safe trip of a blind person, comprising: acquiring a panoramic image around a blind person (102); determining a current trip state of the blind person (104); identifying safety information relating to the trip state from the panoramic image (106); and starting, according to the safety information, an on-site reminding apparatus (108), or a remote safety protection measure based on Internet of Vehicles (110).

Description

Method, system and wearable device for implementing blind safe travel

Technical field

The present application relates to the field of information processing technologies of wearable devices, cloud computing, and car networking systems, and in particular, to a method, system, and wearable device for protecting a blind person based on a car network system.

Background technique

With the development of Internet information processing technology, communication technology and semiconductor hardware, big data processing analysis and transmission have become possible, and car networking and wearable devices have emerged. At present, the most common tool for helping the blind is a cane or a guide dog, which limits the range of travel for the blind.

Chinese Patent Application No. 201410852790.6 discloses a blind navigation device that communicates with an electronic tag embedded in a blind track. The blind navigation device includes a control module and a tag reader, an inductive switch module and a reminder module electrically connected to the control module, the inductive switch module is configured to sense a change in acceleration of the blind navigation device and sense the The information is transmitted to the control module, and the control module controls the opening and closing of the blind navigation device by sensing the information sensed by the switch module, and the tag reader is configured to receive the information of the electronic tag and transmit the information to the control module. The control module transmits the information of the electronic tag to the reminder module, and the reminder module works according to the information of the electronic tag transmitted by the control module, so that the blind person can travel.

However, the existing blind navigation device needs to communicate with an electronic tag embedded in the blind road. The blind navigation system reads the information of the electronic tag and transmits the information to the Bluetooth earphone, thereby providing road conditions and surrounding environment information for the blind. Voice navigation tips. The blind person's convenience measures have limited functions. The blind person needs to walk the blind road to obtain the guidance information, and can only remind the blind person to avoid the obstacle by voice prompt. However, in the public environment where cars come and go to people, the blind people have safety hazards in addition to avoiding road obstacles when crossing the zebra crossing or when hitting a moving car or bicycle.

Therefore, the prior art technology for safe travel protection for blind people needs to be improved.

Application content

The purpose of the embodiments of the present application is to provide a method and system for implementing safe travel for blind people, and a wearable device. The image recognition technology based on the wearable device and the car network system can fully protect the personal safety of the blind person. The blind safe travel implementation system is based on wearable devices, cloud computing, and the Internet of Vehicles In order to realize the blind people in the process of traveling, they can know the objects moving at high speed and issue warnings. They can also carry out hedging control for the fast-moving moving objects (cars) when crossing the road to protect their own lives.

To solve the above technical problem, in a first aspect, an implementation manner of the present application provides a method for implementing a safe travel for a blind, which is applied to a wearable device, including:

Get a panoramic image of the blind people;

Determining the current travel status of the blind person;

Identifying security information related to the travel status from the panoramic image;

According to the safety information, the on-site reminder device is activated or the remote security protection measures based on the vehicle network are started.

Specifically, the remote security protection measure based on the vehicle network is completed by the cloud server, the vehicle networking module, and the driving system, and determining the current traveling state of the blind person includes identifying an image element in the panoramic image, and identifying the image element and the preset traveling state. Element comparisons determine the status of the trip.

Wherein, when the identified image element includes a road zebra crossing, the license plate information appearing in the panoramic image is identified, and the identified license plate information is sent to the cloud server.

The processing on the server side is: the cloud server searches for the vehicle networking module information corresponding to the license plate information according to the license plate information, and sends a braking message to the corresponding vehicle networking module according to the information of the vehicle networking module.

The car is processed as follows: the car networking module is connected with the driving system. After receiving the braking message, the car networking module obtains the current driving speed of the car. When the speed is within the set range, the car networking module voice prompts the user to decelerate; when the speed exceeds When the range is set, the vehicle networking module issues a braking request to the driving system, and the driving system controls the braking mechanism to decelerate.

In an embodiment, the on-site reminding device is a flashing light, and when the road zebra image element disappears, the flashing light is turned off.

Preferably, a radar speed sensor is also provided to obtain a speed parameter of a moving target around the blind person.

In a second aspect, an embodiment of the present application further provides a blind travel wearable device, including a processor, and further comprising:

Panoramic camera for capturing panoramic images around the blind;

An image processing module, configured to determine a current travel status of the blind person, and identify security information related to the travel status from the panoramic image;

The processor activates the on-site reminder device or initiates a remote security protection measure based on the Internet of Vehicles according to the security information.

The wearable device further includes a preset library of travel status elements, the image processing module is configured to identify image elements in the panoramic image, compare the identified image elements with preset travel status elements, and determine a travel status.

The image processing module includes a license plate recognition module for identifying license plate information appearing in the panoramic image when the recognized image element includes a road zebra crossing, and transmitting the recognized license plate information to the cloud server.

As an embodiment, the live reminding device includes a flashing light and a sound module.

The wearable device includes a radar speed sensor to obtain a speed parameter of a moving target around the blind.

In a third aspect, an embodiment of the present application further provides a blind person safe travel implementation system, including a wearable device, a cloud server, and an in-vehicle system, configured to acquire a panoramic image of a blind person for determining a current travel status of the blind person. And identifying, from the panoramic image, security information related to the travel status, and for initiating the live reminding device according to the security information and transmitting the security information to the cloud server;

The cloud server is configured to send a control message to the in-vehicle system according to the security information;

The in-vehicle system adjusts the travel of the vehicle based on the control message.

The wearable device includes a preset library of travel status elements, the image processing module is configured to identify image elements in the panoramic image, compare the identified image elements with preset travel status elements, and determine a travel status; the image processing module The license plate recognition module is configured to identify the license plate information appearing in the panoramic image when the recognized image element includes the road zebra crossing, and send the identified license plate information to the cloud server.

The cloud server searches for the vehicle networking module information corresponding to the license plate information according to the license plate information, and sends a braking message to the corresponding vehicle networking module according to the information of the vehicle networking module.

The vehicle networking module is connected to a driving system, and the vehicle networking module includes a voice module, and receives the brake After the message, the car networking module obtains the current driving speed of the car. When the speed is within the set range, the voice module prompts the user to decelerate; when the speed exceeds the set range, the car networking module sends a braking request to the driving system, and the driving system controls the braking. The mechanism slows down.

The on-site reminding device of the wearable device is a flashing light, and the wearable device turns off the blinking light when the road zebra image element disappears.

The wearable device sets a radar speed sensor to obtain a speed parameter of a moving target around the blind.

Compared with the prior art, the embodiment of the present application can safely control a traveling object (automobile) that is approaching at a high speed when the blind person crosses the road, and protects his life safety, and recognizes the possibility in the environment based on the image recognition technology of the wearable device. Dangerous safety information occurs, and prompt warning to remind others or through the cloud computing and car networking system, remote security measures to eliminate the dangers of blind people in the environment, fully protect the personal safety of the blind.

DRAWINGS

The one or more embodiments are exemplified by the accompanying drawings in the accompanying drawings, and FIG. The figures in the drawings do not constitute a scale limitation unless otherwise stated.

1 is a system block diagram of a blind safe travel implementation system according to the present application;

2 is a block diagram of a wearable device in accordance with the present application;

3 is a flow chart of processing a blind person crossing the road in the method for implementing safe travel for blind persons according to the present application;

4 is a main flow chart of a method for implementing safe travel for blind people according to the present application;

5 is a main flowchart of a wearable device according to the method for implementing safe travel for blind people according to the present application;

6 is a flowchart of a system process for implementing a blind safe travel method according to the present application;

FIG. 7 is a schematic diagram showing the hardware structure of an electronic device for implementing a blind person safe travel method according to an embodiment of the present application.

detailed description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will appreciate that in the various embodiments of the present application, numerous technical details are set forth in order to provide the reader with a better understanding of the application. However, the technical solutions claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

As shown in FIG. 1 , the blind safe travel implementation system of this embodiment of the present application includes a wearable device 100, a cloud server 200, and an in-vehicle system.

The wearable device 100 acquires a panoramic image of the blind person, determines a current travel status of the blind person, and identifies safety information related to the travel status from the panoramic image, and activates the on-site reminding device according to the safety information and sends the safety information to the cloud. server.

The cloud server 200 transmits a control message to the in-vehicle system according to the security information.

Both the car user and the blind user of the wearable device are registered in advance in the cloud server 200. The cloud server 200 forms a user data system 220. The registration information includes user information, car networking module information, and car information.

The in-vehicle system adjusts the travel of the vehicle based on the control message. The in-vehicle system includes an internetworking module 300 and a driving system 350.

Referring to FIG. 2, the blind travel wearable device includes a processor 110, a panoramic camera 101, a prompting device 104, a sound module 105, an image processing module, and a transmitting module 120 and a receiving module 130.

The image processing module includes a face recognition module 102 and a license plate recognition module 103. The face recognition module 102 blurs the face in the captured image when the travel state of the blind user is walking, estimates the flow of people around the blind person, and can inform the blind user through the sound module 105.

The panoramic camera 101 is configured to acquire a panoramic image around a blind person.

The memory of the wearable device 100 stores a preset library of travel status elements, the image processing module is configured to identify image elements in the panoramic image, compare the identified image elements with preset travel status elements, and determine a travel status. The image processing module is further configured to identify security information related to the travel status from the panoramic image. For example, the license plate recognition module 103 identifies the license plate information appearing in the panoramic image when the extracted image element includes a road zebra crossing, and the license plate information is safety information. The transmitting module of the wearable device 110 transmits the identified license plate information to the cloud server 200. The receiving module of the wearable device 110 is configured to receive a feedback message related to remote security protection measures sent from the cloud server.

The processor 110 of the wearable device 100 activates the on-site reminder device or initiates a vehicle network-based remote security protection measure according to the security information.

The on-site reminding device can be implemented in various manners, and can be a sound or a tactile reminder to the blind user, or a pedestrian who passes the sound and light to remind the passing. In the embodiment, the live reminding device includes the sound module 105 and the flashing prompt light.

The flashing light is connected to the processor 110. When the image processing module returns to the road zebra image element collected by the processor 110, the wearable device 100 turns off the blinking light.

The wearable device 100 further includes a radar speed sensor for acquiring a speed parameter of a moving target around the blind person. Through the radar speed sensor, the blind person can know the object moving at high speed during the traveling process.

The radar speed sensor acquires the speed of the surrounding identifiable target when the blind person is walking. When the acquired speed parameter of a certain target exceeds the threshold, the sound module 105 is activated to remind the user of the current safety hazard.

When the travel status of the user is crossing the road, that is, when the extracted image element includes the road zebra crossing, the license plate recognition module identifies the license plate information appearing in the currently acquired panoramic image, and sends the identified license plate information to the cloud server to start Remote security protection measures based on car networking.

After receiving the license plate information, the cloud server 200 sends the license plate information to the docking module 210. The docking module 210 verifies the authorization information of the user, and searches for the vehicle networking module information corresponding to the license plate information from the user data system 220, according to the vehicle networking. The module information sends a brake message to the vehicle networking module 300.

Referring further to FIG. 1 , the vehicle networking module 300 is coupled to a driving system 350 that controls the braking mechanism 352 . The car networking module 300 includes a voice module 310. After the car networking module 300 receives the brake message sent by the cloud server 200, the car network module 300 acquires the current traveling speed of the car and responds to the server's message according to the current speed of the car. When the current speed of the automobile is within the set range, the voice module 310 prompts the driving user to decelerate; when the current speed of the automobile exceeds the set range, the vehicle networking module issues a braking request to the driving system 350, and the driving system 350 controls the braking mechanism 352 to decelerate.

It can be understood by a person of ordinary skill that the vehicle networking module 300 can also be connected to an OBD (On-Board Diagnostic abbreviation) on-board diagnostic system of a car to implement braking by OBD.

Referring to FIG. 3, the remote security protection measure of the embodiment of the present application can provide security protection for blind people and driving users when a blind person using a wearable device crosses the road.

The blind user is prepared to pass through the zebra crossing; 1) the wearable device 100 is on the blind body, which may be a guide blind helmet in this embodiment; 2) the wearable device 100 recognizes the zebra crossing image element through the image processing module to realize the detection of the zebra crossing; 3) After the wearable device 100 detects the zebra crossing, the wearable device 100 turns on its own flashing light to make a prompt to the surrounding vehicle; 4) the blind person passes normally from the zebra crossing, and the wearable device 100 continues to detect the surrounding environment and judges Is there a security risk?

Please refer to Figure 3, the specific protection process of crossing the road is as follows:

4-1-1) The wearable device 100 detects no abnormalities in the surrounding area, and the blind person normally passes through the road;

4-1-2) When the blind person passes the road, the flashing light is naturally turned off;

4-2-1) If the wearable device 100 detects an abnormal situation in the periphery, for example, the radar speed sensor of the wearable device detects that the vehicle with a faster speed approaches;

4-2-2) The wearable device 100 completes the license plate recognition, and identifies the license plate information appearing in the image through the image processing module, and the license plate information is a vehicle that is faster and closer to the blind person;

4-2-3) sending license plate information to the cloud server 200;

4-2-4) The cloud server 200 finds the vehicle network module ID of the vehicle from the user data system through the docking module 210;

4-2-5) Through the vehicle networking technology, the cloud server 200 sends a brake message to the vehicle network module of the mobile vehicle for reminding or forcibly braking.

Please refer to FIG. 4 and FIG. 5 together. The embodiment of the present application further provides a method for implementing safe travel for blind people, which mainly includes:

Step 102: Obtain a panoramic image around the blind person;

Step 104: Determine the current travel status of the blind person;

Step 106: Identify security information related to the travel status from the panoramic image; the security information is information related to security of the blind user. It may be the speed of the fast moving target of the image recognition, or the license plate number of the traveling vehicle; in order to protect the safety of the blind, the quick response safety hazard, in another embodiment, the speed of the moving target may be completed by the radar speed sensor;

Step 108: Start the on-site reminding device according to the security information or initiate remote security protection measures based on the Internet of Vehicles.

As shown in FIG. 5, step 204: shows a specific implementation manner for determining a current travel state of a blind person, the image processing module of the wearable device recognizes an image element in the image, and then identifies the recognized image element with a preset travel status element. Compare and determine the travel status;

Step 206: When the travel state is walking, the safety information is a speed parameter of the moving target around the blind obtained by the radar speed sensor, and the speed parameter exceeds the threshold to activate the on-site reminding device; the live reminding device is implemented in various manners, and may be sound or The touch reminds the blind user, or the pedestrian who passes the sound and the light reminder. In the embodiment, the live reminding device includes the sound module 105 and the flashing prompt light.

Step 208: When the travel status is crossing the road, the safety information is the license plate information identified in the panoramic image, and the remote security protection measure of the vehicle network is started according to the license plate information.

Please refer to Figure 6, which shows the details of the technical processing in the cloud and the Internet of Vehicles when the blind crosses the road zebra crossing.

Step 302: The processing on the wearable device side is: the wearable device end identifies the image element in the panoramic image acquired by the panoramic camera, and determines whether the image element includes a road zebra crossing; if the image element includes a road zebra crossing, identifies the panoramic image. The license plate information that appears and sends the identified license plate information to the cloud server.

Step 304: The processing of the cloud server is: the cloud server searches for the corresponding vehicle network module information from the user data system 220 according to the license plate information sent from the wearable device, and the cloud server sends the brake to the vehicle networking module according to the information of the vehicle networking module. Message. Among them, the cloud server is not directly connected to the driving system to ensure the independence of driving and driving safety.

Step 306: The processing in the in-vehicle system is: the in-vehicle system includes the vehicle networking module 300 and the driving system 350. After the car networking module receives the brake message from the cloud server, the car networking module acquires the car. Current driving speed;

Step 308: When the current speed of the acquired automobile is within the set range, the voice module 310 of the vehicle networking module prompts the vehicle driving user to decelerate by voice.

Step 310: When the current speed of the acquired automobile exceeds the set range, the vehicle networking module issues a braking request to the driving system, and the driving system controls the braking mechanism to forcibly decelerate the vehicle.

Thereafter, blind users can continue to safely pass through the sidewalk.

The blinking light keeps working during the passage of the blind user through the sidewalk. When the image processing module of the wearable device recognizes that the road zebra image element disappears, the blinking light is turned off.

This patent relates to the field of intelligent robots. Based on wearable devices, cloud computing, and in-vehicle systems, sudden encounters occur when a blind person passes through the sidewalk. For example, the vehicle passes the prompt when it does not notice the blind person traveling or the red light. , judge, trigger the command to reach the cloud for data query, and then directly issue instructions to the fast approaching car for forced braking to ensure the safety of blind and driving users. Meanwhile, in an embodiment, the wearable device sets a radar speed sensor to quickly acquire the speed of moving the target around the blind, and quickly responds to dangers and prompts to ensure user safety. In addition, the wearable device of the present embodiment sets a GPU (Graphics Processing Unit, GPU) and a CPU (Central Processing Unit, CPU) to perform large-data-quantity image recognition operations to ensure fast environment. Identify and respond in a timely manner. The cloud server in the embodiment of the present application queries the user data system through the docking module to ensure the security of the data of the user data system.

FIG. 7 is a schematic diagram showing the hardware structure of an electronic device 600 for implementing a blind person's safe travel method according to an embodiment of the present invention. As shown in FIG. 7, the electronic device 500 includes:

The plurality of

processors

510, 520 and the memory 530, and the plurality of processors in FIG. 7 are respectively an example of a CPU and a GPU.

The

processors

510, 520 and the memory 530 may be connected by a bus or other means, as exemplified by a bus connection in FIG.

The memory 530 is used as a non-volatile computer readable storage medium, and can be used for storing a non-volatile software program, a non-volatile computer executable program, and a module, as in the blind person safe travel implementation method in the embodiment of the present application. Program instructions/modules (eg, image processing module, person shown in Figure 2) Face recognition module 102 and license plate recognition module 103). The

processor

510, 520 executes various functional applications and data processing of the terminal or the server by executing non-volatile software programs, instructions, and modules stored in the memory 530, that is, implementing blind person safe travel in the foregoing method embodiments. method.

The memory 530 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to the use of the blind safe travel implementation device, and the like. Further, the memory 530 may include a high speed random access memory, and may also include a nonvolatile memory such as at least one magnetic disk storage device, flash memory device, or other nonvolatile solid state storage device. In some embodiments, memory 530 can optionally include memory remotely located relative to

processors

510, 520 that can be connected to the blind safe travel implementation device over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

The one or more modules are stored in the memory 530, and when executed by the one or

more processors

510, 520, perform a blind safe travel implementation method in any of the above method embodiments, for example, performing the above description The method step 102 to step 110 in FIG. 4, the method step 202 to step 208 in FIG. 5, and the method step 302 to step 310 in FIG. 6 implement the image processing module, the face recognition module 102, and the license plate in FIG. The function of the identification module 103 and the function of implementing the docking module docking 210 in FIG.

The above products can perform the methods provided by the embodiments of the present application, and have the corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the method provided by the embodiments of the present application.

The electronic device of the embodiment of the present application exists in various forms, including but not limited to:

(1) Mobile communication devices: These devices are characterized by mobile communication functions and are mainly aimed at providing voice and data communication. Such terminals include: smart phones (such as iPhone), multimedia phones, functional phones, and low-end phones.

(2) Ultra-mobile personal computer equipment: This type of equipment belongs to the category of personal computers, has computing and processing functions, and generally has mobile Internet access. Such terminals include: PDAs, MIDs, and UMPC devices, such as the iPad.

(3) Portable entertainment devices: These devices can display and play multimedia content. This type of equipment includes: Audio, video players (such as iPod), handheld game consoles, e-books, and smart toys and portable car navigation devices.

(4) Server: A device that provides computing services. The server consists of a processor, a hard disk, a memory, a system bus, etc. The server is similar to a general-purpose computer architecture, but because of the need to provide highly reliable services, processing power and stability High reliability in terms of reliability, security, scalability, and manageability.

(5) Other electronic devices with data interaction functions.

The embodiment of the present application provides a non-transitory computer readable storage medium storing computer-executable instructions that are executed by one or more processors, such as in FIG. The

processor

510, 520 may be configured to enable the one or more processors to perform the blind safe travel implementation method in any of the foregoing method embodiments, for example, to perform the method steps 102 to 110 in FIG. 4 described above, FIG. The method steps 202 to 208 and the method steps 302 to 310 in FIG. 6 implement the functions of the image processing module, the face recognition module 102, and the license plate recognition module 103 in FIG. 2, and implement docking of the docking module in FIG. 210 features.

The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

Through the description of the above embodiments, those skilled in the art can clearly understand that the various embodiments can be implemented by means of software plus a general hardware platform, and of course, by hardware. A person skilled in the art can understand that all or part of the process of implementing the above embodiments can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium. When executed, the flow of an embodiment of the methods as described above may be included. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; under the idea of the present application, the technical features in the above embodiments or different embodiments may also be The combination may be carried out in any order, and there are many other variations of the various aspects of the present application as described above, which are not provided in the details for the sake of brevity; although the present application has been described in detail with reference to the foregoing embodiments, It should be understood by those skilled in the art that the technical solutions described in the foregoing embodiments may be modified or equivalently replaced with some of the technical features; and the modifications or substitutions do not deviate from the essence of the corresponding technical solutions. The scope of the technical solutions of the various embodiments is applied.

Claims

A blind person safe travel implementation method, characterized in that, applied to a wearable device, comprising:

Get a panoramic image of the blind people;

Determining the current travel status of the blind person;

Identifying security information related to the travel status from the panoramic image;

Initiating an on-site reminder device according to the security information or initiating a remote security protection measure based on the Internet of Vehicles.
The method for implementing safe travel for blind persons according to claim 1, wherein the remote security protection measure based on the vehicle network is completed by the cloud server, the vehicle networking module, and the driving system, and determining the current travel status of the blind includes identifying the panoramic image. The image element in the image is compared with the preset travel state element to determine the travel status.
The blind person safe travel implementation method according to claim 2, wherein when the identified image element includes a road zebra crossing, identifying license plate information appearing in the panoramic image, and transmitting the recognized license plate information to the cloud server.
The method for implementing safe travel for blinds according to claim 3, wherein the cloud server searches for vehicle networking module information corresponding to the license plate information according to the license plate information, and sends a brake message to the corresponding vehicle networking module according to the information of the vehicle networking module. .
The method for implementing safe travel for blinds according to claim 4, wherein the vehicle networking module is connected to the driving system, and after receiving the braking message, the vehicle networking module obtains the current driving speed of the vehicle, and when the speed is in the setting range When the vehicle networking module voice prompts the user to decelerate; when the speed exceeds the set range, the vehicle networking module issues a braking request to the driving system, and the driving system controls the braking mechanism to decelerate.
The method for implementing safe travel for a blind according to any one of claims 2 to 5, wherein the on-site reminding device is a blinking reminder light, the method further comprising: when the road zebra crossing image element disappears, closing the Flashing light.
The method for implementing safe travel for blinds according to claim 6, wherein the radar is set The speed sensor is used to obtain the speed parameter of the moving target around the blind person.
A blind travel wearable device, including a processor, further comprising:

Panoramic camera for capturing panoramic images around the blind;

An image processing module, configured to determine a current travel status of the blind person, and identify security information related to the travel status from the panoramic image;

The processor starts the on-site reminding device according to the security information or initiates a remote security protection measure based on the Internet of Vehicles.
The blind travel wearable device according to claim 8, further comprising a preset travel status element library, wherein the image processing module is configured to identify image elements in the panoramic image, and to identify the image elements and The preset travel status elements are compared to determine the travel status.
The blind travel wearable device according to claim 9, wherein the image processing module includes a license plate recognition module for identifying a license plate appearing in the panoramic image when the recognized image element includes a road zebra crossing Information and send the identified license plate information to the cloud server.
The blind travel wearable device according to any one of claims 7 to 10, characterized in that the live reminding device comprises a flashing light and a sound module.
The blind travel wearable device of claim 11 including a radar speed sensor to obtain a speed parameter of a moving target around the blind.
A blind person safe travel realization system, comprising: a wearable device, a cloud server, and an in-vehicle system, wherein the wearable device is configured to acquire a panoramic image of a blind person for determining a current travel state of the blind person and identifying from the panoramic image For security information related to the travel status, and for initiating an on-site reminder device based on the security information and transmitting the security information to the cloud server;

The cloud server is configured to send a control message to the in-vehicle system according to the security information;

The onboard system adjusts the travel of the vehicle in accordance with the control message.
The system for implementing a blind person safe travel according to claim 13, wherein the wearable device comprises a preset library of travel status elements, and the image processing module is configured to identify the panorama Determining a travel status by comparing the identified image element with a preset travel status element; the image processing module includes a license plate recognition module for identifying the identified image element when the road image includes a road zebra crossing The license plate information appearing in the panoramic image is described, and the recognized license plate information is sent to the cloud server.
The blind person safe travel realization system according to claim 14, wherein the cloud server searches for vehicle networking module information corresponding to the license plate information according to the license plate information, and sends a brake message to the corresponding vehicle networking module according to the information of the vehicle networking module. .
The system for implementing a blind person safely according to claim 15, wherein the vehicle networking module is connected to a driving system, and the vehicle networking module comprises a voice module. After receiving the braking message, the vehicle networking module acquires a current car. The driving speed, when the speed is within the set range, the voice module prompts the user to decelerate; when the speed exceeds the set range, the vehicle networking module issues a braking request to the driving system, and the driving system controls the braking mechanism to decelerate.
The blind person safe travel realization system according to any one of claims 14-16, wherein the on-site reminding device is a blinking reminder light, and the wearable device turns off the blinking when the road zebra crossing image element disappears Tip light.
The blind safe travel realization system according to claim 17, wherein a radar speed sensor is provided to acquire a speed parameter of a moving target around the blind person.