CN107563352A - A kind of method and device of the outer visitor's identity of recognitiion gate - Google Patents

Abstract

The present invention provides a kind of method and device of the outer visitor's identity of recognitiion gate, in being recorded the video file of visitor outdoors using intelligent peephole mounted on a door and uploaded onto the server.Server obtains the human face image information of visitor from the video file received, determines whether to whether there is the facial image to match with the human face image information of the visitor in facial image database, if it does not exist, then primarily determining that the visitor is stranger.Then, server sends warning message to the client bound with the intelligent peephole, reminds the user that occur strange visitor outdoors.So, user can especially have found strange visitor in time even if the outgoing situation that can also know visitor in family in real time.

Description

A method and device for identifying the identity of visitors outside the door

technical field

The invention belongs to the technical field of computers, and in particular relates to a method and a device for identifying the identity of visitors outside the door.

Background technique

When someone knocks on the door, the most original way to judge the identity of the visitor is to check the visitor outside the door through the peephole installed on the door and confirm whether it is a stranger.

With the development of science and technology, there has been a smart cat's eye, which is a home security product that replaces the traditional cat's eye. The smart cat's eye has the functions of liquid crystal display, automatic video recording and photographing, and induction monitoring. Users can check the situation outside the door through the LCD visual function. Visitors can also be automatically photographed and archived, so that users can check the visiting records after returning from going out. It can be seen that when the user goes out, the visitor information cannot be obtained in real time.

Contents of the invention

In view of this, the object of the present invention is to provide a method and device for identifying the identity of visitors outside the door, so as to solve the technical problem that the user cannot know the strange visitors in real time when going out.

In the first aspect, the present application provides a method for identifying the identity of visitors outside the door, which is applied to the server, including:

Obtain the face image information of the visitor;

Judging whether there is a face image matching the face image information of the visitor in the face image database;

When it is determined that there is no matching face image in the face image library, it is determined that the visitor is a stranger, and an alarm message is generated, and the alarm message includes the face image information of the visitor;

The alarm information is sent to the client, and the alarm information is used to remind the user that there is a strange visitor outside the door.

Optionally, the method also includes:

When it is determined that there is a matching face image in the face image database, the identity of the visitor is determined according to the matching face image;

The face image information of the visitor is saved in the face image database.

Optionally, the acquisition of the face image information of the visitor includes:

Receive video files uploaded by Smart Maoyan;

Carry out face detection to each frame image in the video file;

After the face image is detected, the face image is extracted from the video image, and the face attribute information is extracted from the face image, and the face attribute information includes at least one of the following: gender, age and expression information.

Optionally, the method also includes:

After receiving the request from the client to view the real-time video, the received real-time video file outside the door is sent to the client.

Optionally, the method also includes:

After receiving the activation voice request sent by the client, receiving the voice file sent by the client;

Send the voice file to the smart Maoyan bound to the client, so that the smart Maoyan can play the voice file.

Optionally, the method also includes:

After receiving the recognition result that the visitor is not a stranger sent by the client, store the face image information in the face image library, and mark the face image according to the recognition result .

In the second aspect, the present application also provides a method for identifying the identity of the visitor outside the door, which is applied to the client, including:

Receive the alarm information sent by the server, the alarm information includes the face image information of the visitor, and the server obtains the face image information of the visitor by the server to determine that there is no such thing as the face image database. Generated when the face image of the visitor matches the face image;

The alarm information is displayed, so that the user can determine the identity of the visitor according to the face image information of the visitor.

Optionally, the method also includes:

After receiving the operation instruction of viewing the real-time video, generate a request for viewing the real-time video and send it to the server, and the request is used to request the server to return the real-time video file outside the door;

Receive the real-time video file sent by the server.

Optionally, the method also includes:

After receiving the operation instruction for enabling the voice function, generate a voice activation request and send it to the server;

After receiving the activation success response message returned by the server, the voice information is collected and sent to the server, so that the server sends the voice information to the smart cat eye bound with the client for playback.

In the third aspect, the present application also provides a device for identifying the identity of visitors outside the door, which is applied to the server, including:

An acquisition unit, configured to acquire the face image information of the visitor;

A judging unit, configured to judge whether there is a face image matching the face image information of the visitor in the face image library;

A determining unit, configured to determine that the visitor is a stranger when it is determined that there is no matching face image in the face image library, and generate an alarm message, the alarm message including the visitor's Face image information;

The first sending unit is configured to send the alarm information to the client, and the alarm information is used to remind the user that there is a strange visitor outside the door.

In the fourth aspect, the present application also provides a device for identifying the identity of visitors outside the door, which is applied to the client, including:

The receiving unit is used to receive the alarm information sent by the server, the alarm information includes the face image information of the visitor, and the alarm information is determined in the face image library after the server obtains the face image information of the visitor. Generated when there is no face image matching the visitor's face image;

The display unit is configured to display the alarm information, so that the user can determine the identity of the visitor according to the face image information of the visitor.

The method for identifying the identity of the visitor outside the door provided by this application uses the smart peephole installed on the door to record the video file of the visitor outside the door and upload it to the server. The server obtains the face image information of the visitor from the received video file, and further judges whether there is a face image matching the face image information of the visitor in the face image database, and if it does not exist, initially determines the face image information of the visitor. Visitors are strangers. Then, the server sends an alarm message to the client bound to the smart cat's eye, thereby reminding the user that there is a strange visitor outside the door. In this way, even if the user goes out, he can know the situation of the visitors at home in real time, especially the strange visitors can be found in time.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are For some embodiments of the present invention, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a kind of system block diagram of identifying the identity of visitors outside the door according to the embodiment of the present application;

Fig. 2 is a flow chart of a method for identifying the identity of visitors outside the door according to the embodiment of the present application;

Fig. 3 is a kind of flow chart of obtaining the face image information process of the visitor in the embodiment of the present application;

Fig. 4 is a flow chart of another method for identifying the identity of visitors outside the door according to the embodiment of the present application;

Fig. 5 is a flowchart of another method for identifying the identity of visitors outside the door according to the embodiment of the present application;

Fig. 6 is a block diagram of a device for identifying the identity of visitors outside the door according to the embodiment of the present application;

7 is a block diagram of another device for identifying the identity of visitors outside the door according to the embodiment of the present application;

Fig. 8 is a block diagram of another device for identifying the identity of visitors outside the door according to the embodiment of the present application.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to FIG. 1 , which shows a block diagram of a system for identifying the identity of visitors outside the door according to the embodiment of the present application. The system includes a smart cat eye 1 , a server 2 and a client 3 .

Smart Cat Eye 1 is installed on the door, and it has functions such as liquid crystal display, automatic video recording and photographing, induction monitoring, etc. It can sense visitors outside the door, and record or take pictures of visitors. Users can also view visit records through the LCD visual function. Moreover, Smart Maoyan 1 can communicate with the server through a wireless network (or wired network), and upload the video files of the recorded visitors to the server.

Server 2 judges the identity of the visitor according to the video file of the visitor uploaded by the smart Maoyan. If it is a stranger, it sends an alarm message to the client to remind the user that there is a strange visitor outside the door.

The client 3 can be an application program (Application, APP) applied to a smart mobile terminal, which needs to be bound with the smart Maoyan in order to view the real-time video uploaded by the smart Maoyan.

Please refer to FIG. 2, which shows a flow chart of a method for identifying the identity of a visitor outside the door according to the embodiment of the present application. The method is applied in a server. As shown in FIG. 2, the method includes the following steps:

S110, acquiring face image information of the visitor.

In one embodiment of the application, as shown in Figure 3, the process of obtaining the face image information of the visitor may include S111-S114:

S111, receiving the video file uploaded by the smart Maoyan.

Smart Maoyan will detect whether there is a visitor outside the door, and when a visitor is detected, the video will be turned on and the recorded video file will be uploaded to the server.

S112. Perform face detection on each frame of image in the video file.

Analyze each frame of image in the video file to detect whether it contains a face image, which can be realized by using the existing face detection algorithm.

S113. After the face image is detected, extract the face image from the video image.

If a human face image is detected from the video file, the frame image containing the human face image is extracted.

S114, and extract face attribute information from the face image, and obtain face image information according to the face image and face attribute information.

After the face image is obtained, face attribute information (ie, face feature value) is extracted, wherein the face attribute information includes at least one of the following: gender, age, and expression information. The face image and face attribute information are collectively referred to as face image information.

S120, judging whether there is a face image matching the visitor's face image information in the face image library; if not, execute S130; if yes, execute S150.

The face images stored in the face image library are the face images of family members registered in advance by the user. After obtaining the face image of the visitor, use the face recognition algorithm to judge whether there is a face image matching the face image of the visitor in the face image database.

In the server, each APP account is bound to at least one smart cat's eye device, and a face image library is configured for each APP account. The user can pre-enter the face images of family members through the APP, and the entered face images are stored in the face image database corresponding to the APP account.

When the server receives a face image sent by a smart cat eye, the server determines the APP account bound to the smart cat eye according to the device identification of the smart cat eye, and searches the face image database corresponding to the APP account on the server side, whether There is a face image that matches the face image sent by the smart Maoyan.

S130. Determine that the visitor is a stranger, and generate alarm information; the alarm information includes the face image information of the visitor.

If there is no image matching the face image of the visitor in the face image database, it indicates that the visitor is not a member of the family, but a stranger. Then, alarm information is generated, wherein the alarm information includes the acquired face image information of the visitor.

S140. Send the alarm information to the client, where the alarm information is used to remind the user that there is a strange visitor outside the door.

The server sends the generated face image information to the client, and then the client displays the alarm information to the user, so that the user can know the strange visitor in time.

S150. Determine the identity of the visitor according to the matched face image, and save the face image information of the visitor into the face image library.

If there is a face image matching the face image of the visitor in the face image database, the identity of the visitor is the identity of the matching face image in the face image database.

The method for identifying the identity of the visitor outside the door provided by this embodiment uses the smart peephole installed on the door to record the video file of the visitor outside the door and upload it to the server. The server obtains the face image information of the visitor from the received video file, and further judges whether there is a face image matching the face image information of the visitor in the face image database, and if it does not exist, initially determines the face image information of the visitor. Visitors are strangers. Then, the server sends an alarm message to the client bound to the smart cat's eye, thereby reminding the user that there is a strange visitor outside the door. In this way, even if the user goes out, he can know the situation of the visitors at home in real time, especially the strange visitors can be found in time.

Please refer to FIG. 4 , which shows a flow chart of another method for identifying the identity of a visitor outside the door according to the embodiment of the present application. The method is applied in a server. After S140, the following steps are also included:

S210. Send the received real-time video file outside the door to the client after receiving the request for viewing the real-time video sent by the client.

After the client receives the alarm information sent by the server, the user can request to view the real-time situation outside the door. At this point, the user can send a request to the server through the client to view the real-time video, and when the server receives the request, it can send the real-time video uploaded by the smart Maoyan to the client. Users can check the real-time situation outside the door through the client.

S220. After receiving the voice activation request sent by the client, receive the voice file sent by the client.

Furthermore, the user can also request to activate the voice function to realize voice dialogue with visitors outside the door.

The user can send a voice activation request to the server through the client, and after receiving the voice activation request, the server sends the voice collection and speaker control commands to the smart cat eye.

S230. Send the voice file to the smart Maoyan bound to the client, so that the smart Maoyan plays the voice file.

The client can collect the voice information of the user and send it to the server, and the server will send the voice information to the smart cat eye, and the speaker of the smart cat eye will play the user's voice information. At the same time, Smart Maoyan collects the voice information of visitors outside the door and uploads it to the server. The server then sends the voice information to the client, and the client can play the voice information to the user.

S240, after receiving the recognition result that the visitor is not a stranger sent by the client, store the face image information in the face image database, and mark the face image according to the recognition result .

When the user confirms that the visitor is not a stranger according to the alarm information or real-time video information, the visitor identification result is sent to the server, and the identification result includes the identity of the visitor. The server may remark the visitor according to the identification result sent by the client that the visitor is not a stranger.

If the recognition result of the visitor is a family member already stored in the server, the face image information of the visitor can be added to the face image information corresponding to the family member to enrich the face of the family member image information.

If the identification result of the visitor is not a certain family member stored in the server, the identification result is marked as the identification result sent by the client.

The method for identifying the identity of the visitor outside the door provided by this embodiment, after sending the alarm information to the client, the client can further judge whether the visitor is a stranger according to the face image information contained in the alarm information; or, can request See what's happening right outside your door. If it is confirmed that the visitor is not a stranger, the recognition result of not being a stranger is returned to the server, so that the server stores the face image information of the visitor and marks it according to the recognition result, so as to improve the recognition accuracy. If the user confirms that the visitor is a stranger, the user can also request to enable the voice function, so that the user can have a voice conversation with the visitor remotely, so that the user can grasp the specific situation of the visitor in real time, which improves the user experience.

Please refer to FIG. 5 , which shows a flow chart of another method for identifying the identity of visitors outside the door of the present application. The method is applied to the system shown in FIG. 1 , and as shown in FIG. 5 , may include the following steps:

S310, the smart cat's eye detects whether there is a visitor outside the door; if yes, execute S320; if not, continue detection.

S320, Smart Maoyan obtains the video file outside the door and sends the video file to the server.

S330. The server performs face detection on images in the video file.

S340. After detecting the face image, the server extracts the face image from the video image, and extracts face attribute information from the face image, and obtains face image information according to the face image and the face attribute information.

S350, the server judges whether there is a face image matching the visitor's face image information in the face image database; if not, execute S360; if yes, execute S3190.

S360, the server determines that the visitor is a stranger, generates alarm information, and sends the alarm information to the client.

The alarm information includes the face image information of the visitor.

S370, the client terminal presents the alarm information, so that the user can determine the identity of the visitor according to the face image information of the visitor.

S380, if the user confirms that the visitor is not a stranger, send a recognition result that the visitor is not a stranger to the server.

If the user confirms that the visitor is a stranger, he can further request to view the real-time video.

S390. After receiving the operation instruction for viewing the real-time video, the client generates a request for viewing the real-time video and sends it to the server.

The request is used to request the server to return the real-time video file outside the door;

S3100, the server sends the real-time video file uploaded by Smart Maoyan to the client, and the client displays the real-time video to the user.

The user can further confirm whether the visitor is a stranger according to the real-time video.

If the user confirms that the visitor is a stranger, he can further request to enable the voice function, so as to have a voice conversation with the stranger outside the door.

S3110. After receiving the operation instruction for enabling the voice function, the client generates a voice activation request and sends it to the server.

S3120. After receiving the request for enabling the voice, the server sends a control command for enabling the voice collection function and the speaker to the smart Maoyan bound to the client, and returns a successful activation response message to the client.

S3130. After receiving the activation success response message returned by the server, the client collects voice information and sends it to the server.

S3140, the server sends the received voice information to the smart Maoyan bound with the client.

S3150, Smart Maoyan plays the voice information sent by the server.

S3160, Smart Maoyan collects the voice information outside the door and sends it to the server.

S3170. The server forwards the voice information sent by the smart Maoyan to the client.

S3180. The client plays the voice information.

S3190, the server determines the identity of the visitor according to the matching face image, and saves the face image information of the visitor into the face image library.

The method for identifying the identity of the visitor outside the door provided by this embodiment, after the server sends the alarm information to the client, the user can further judge whether the visitor is a stranger according to the face image information contained in the alarm information; Is a stranger, the user can request to see the real-time situation outside the door. If it is confirmed that the visitor is not a stranger, the recognition result of not being a stranger is returned to the server, so that the server stores the face image information of the visitor and marks it according to the recognition result, so as to improve the recognition accuracy. If the user confirms that the visitor is a stranger, the user can also request to enable the voice function, so that the user can have a voice conversation with the visitor remotely, so that the user can grasp the specific situation of the visitor in real time, which improves the user experience.

For the aforementioned method embodiments, for the sake of simple description, they are expressed as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, Certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification belong to preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

Corresponding to the above-mentioned embodiment of the method for identifying the identity of the visitor outside the door, the present application also provides an embodiment of the device for identifying the identity of the visitor outside the door.

Please refer to FIG. 6, which shows a block diagram of a device for identifying the identity of a visitor outside the door according to an embodiment of the present application. The device is applied to a server. As shown in FIG. unit 130 and the first sending unit 140.

The obtaining unit 110 is used to obtain the face image information of the visitor.

Smart Maoyan will detect whether there is a visitor outside the door, and when a visitor is detected, the video will be turned on and the recorded video file will be uploaded to the server.

The acquisition unit can actively request the smart Maoyan to upload the current video, or passively receive the current video uploaded by the smart Maoyan. Then, face detection is carried out to each frame image in the video file, after detecting the face image, extract the face image from the video image; and, extract the face attribute information from the face image, according to the face image The face image and the face attribute information are obtained to obtain the face image information.

Wherein, the face attribute information includes at least one of the following: gender, age and expression information. The face image and face attribute information are collectively referred to as face image information.

The judgment unit 120 is configured to judge whether there is a face image matching the face image information of the visitor in the face image database.

The face images stored in the face image library are the face images of family members registered in advance by the user. After obtaining the face image of the visitor, use the face recognition algorithm to judge whether there is a face image matching the face image of the visitor in the face image database.

If there is an image matched with the visitor's face image in the face image database, it indicates that the visitor is one of the family members, and the identity of the visitor is determined according to the matched face image; and the visitor The person's face image information is stored in the face image library, so as to enrich the sample images of the face image library, thereby improving the accuracy of face recognition.

The determining unit 130 is configured to determine that the visitor is a stranger when it is determined that there is no matching face image in the face image database, and generate an alarm message, the alarm message including all information of the visitor Describe the face image information.

If there is no image matching the face image of the visitor in the face image database, it indicates that the visitor is not a member of the family, but a stranger. Then, alarm information is generated, wherein the alarm information includes the acquired face image information of the visitor.

The first sending unit 140 is configured to send the alarm information to the client, and the alarm information is used to remind the user that there is a strange visitor outside the door.

The server sends the generated face image information to the client, and then the client displays the alarm information to the user, so that the user can know the strange visitor in time.

Optionally, the device also includes:

The first receiving unit 150 is configured to store the face image information in the face image library after receiving the recognition result that the visitor is not a stranger sent by the client, and according to the The recognition result labels the face image.

The user can receive the alarm information sent by the first sending unit through the client, and judge whether the visitor is a stranger according to the face image information in the alarm information, and send the identification result to the server. The server may remark the visitor according to the identification result sent by the client that the visitor is not a stranger.

If the recognition result of the visitor is a family member already stored in the server, the face image information of the visitor can be added to the face image information corresponding to the family member to enrich the face of the family member Image information in order to improve the accuracy of face recognition.

If the identification result of the visitor is not a certain family member stored in the server, the identification result is marked as the identification result sent by the client.

The device for identifying the identity of the visitor outside the door provided by this embodiment utilizes the smart peephole installed on the door to record the video file of the visitor outside the door and upload it to the server. The server obtains the face image information of the visitor from the received video file, and further judges whether there is a face image matching the face image information of the visitor in the face image database, and if it does not exist, initially determines the face image information of the visitor. Visitors are strangers. Then, the server sends an alarm message to the client bound to the smart cat's eye, thereby reminding the user that there is a strange visitor outside the door. In this way, even if the user goes out, he can know the situation of the visitors at home in real time, especially the strange visitors can be found in time.

Please refer to Fig. 7, which shows a block diagram of another device for identifying the identity of visitors outside the door according to the embodiment of the present application. On the basis of the embodiment shown in Fig. 6, the device also includes: a second sending unit 210, a second receiving unit 220 and the third sending unit 230.

The second sending unit 210 is configured to send the received real-time video file outside the door to the client after receiving the request from the client to view the real-time video.

After the client receives the alarm information sent by the server, the user can request to view the real-time situation outside the door. At this point, the user can send a request to the server through the client to view the real-time video, and when the server receives the request, it can send the real-time video uploaded by the smart Maoyan to the client. Users can check the real-time situation outside the door through the client.

The second receiving unit 220 is configured to receive the voice file sent by the client after receiving the voice activation request sent by the client.

Further, the user can also send a voice activation request to the server through the client, and after receiving the voice activation request, the server sends a control command to activate voice collection and speaker to the smart cat eye.

The third sending unit 230 is configured to send the voice file to the smart Maoyan bound to the client, so that the smart Maoyan can play the voice file.

The client can collect the voice information of the user and send it to the server, and the server will send the voice information to the smart cat eye, and the speaker of the smart cat eye will play the user's voice information. At the same time, Smart Maoyan collects the voice information of visitors outside the door and uploads it to the server. The server then sends the voice information to the client, and the client can play the voice information to the user.

The device for identifying the identity of the visitor outside the door provided by this embodiment, after sending the alarm information to the client, the guest user can further judge whether the visitor is a stranger according to the face image information contained in the alarm information; When you are a stranger, you can request to check the real-time situation outside the door. Further, the user can also request to enable the voice function, so that the user can have a voice conversation with the visitor remotely, so that the user can grasp the specific situation of the visitor in real time, which improves the user experience.

Please refer to FIG. 8, which shows a block diagram of another device for identifying the identity of visitors outside the door according to the embodiment of the present application, which is applied to the client, and the device includes:

The receiving unit 310 is configured to receive the alarm information sent by the server, where the alarm information includes the face image information of the visitor.

The alarm information is generated when the server obtains the face image information of the visitor and determines that there is no face image matching the face image of the visitor in the face image library.

The display unit 320 is configured to display alarm information, so that the user can determine the identity of the visitor according to the face image information of the visitor.

The first request generation unit 330 is configured to generate a request for viewing the real-time video and send it to the server after receiving the operation instruction for viewing the real-time video, and the request is used to request the server to return the real-time video file outside the door.

The video receiving unit 340 is configured to receive the real-time video file sent by the server.

After receiving the operation instruction for enabling the voice function, the second request generating unit 350 generates a voice activation request and sends it to the server.

The sending unit 360 is used to collect voice information and send it to the server after receiving the opening success response message returned by the server, so that the server sends the voice information to the smart cat eye bound with the client to play.

The device for identifying the identity of visitors outside the door provided by this embodiment, after the client receives the alarm information sent by the server, displays it to the user, and the user can further judge whether the visitor is a stranger according to the facial image information contained in the alarm information ; If it is confirmed that the visitor is a stranger, the user can request to check the real-time situation outside the door. If the user confirms that the visitor is a stranger, the user can also request to enable the voice function, so that the user can have a voice conversation with the visitor remotely, so that the user can grasp the specific situation of the visitor in real time, which improves the user experience.

It should be noted that each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. For the same and similar parts in each embodiment, refer to each other, that is, Can. As for the device-type embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and for related parts, please refer to part of the description of the method embodiments.

Finally, it should also be noted that in this text, relational terms such as first and second etc. are only used to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (11)

1. A method for identifying the identity of a visitor outside the door, applied in a server, characterized in that, comprising: Obtain the face image information of the visitor; Judging whether there is a face image matching the face image information of the visitor in the face image database; When it is determined that there is no matching face image in the face image library, it is determined that the visitor is a stranger, and an alarm message is generated, and the alarm message includes the face image information of the visitor; The alarm information is sent to the client, and the alarm information is used to remind the user that there is a strange visitor outside the door. 2. The method according to claim 1, characterized in that the method further comprises: When it is determined that there is a matching face image in the face image database, the identity of the visitor is determined according to the matching face image; The face image information of the visitor is saved in the face image database. 3. The method according to claim 1, wherein said obtaining the face image information of the visitor comprises: Receive video files uploaded by Smart Maoyan; Carry out face detection to each frame image in the video file; After the face image is detected, the face image is extracted from the video image, and the face attribute information is extracted from the face image, and the face attribute information includes at least one of the following: gender, age and expression information. 4. The method according to claim 1, wherein the method further comprises: After receiving the request from the client to view the real-time video, the received real-time video file outside the door is sent to the client. 5. method according to claim 4, is characterized in that, described method also comprises: After receiving the activation voice request sent by the client, receiving the voice file sent by the client; Send the voice file to the smart Maoyan bound to the client, so that the smart Maoyan can play the voice file. 6. The method according to claim 1, further comprising: After receiving the recognition result that the visitor is not a stranger sent by the client, store the face image information in the face image library, and mark the face image according to the recognition result . 7. A method for identifying the identity of visitors outside the door, applied to the client, characterized in that it includes: Receive the alarm information sent by the server, the alarm information includes the face image information of the visitor, and the server obtains the face image information of the visitor by the server to determine that there is no such thing as the face image database. Generated when the face image of the visitor matches the face image; The alarm information is displayed, so that the user can determine the identity of the visitor according to the face image information of the visitor. 8. The method according to claim 7, further comprising: After receiving the operation instruction of viewing the real-time video, generate a request for viewing the real-time video and send it to the server, and the request is used to request the server to return the real-time video file outside the door; Receive the real-time video file sent by the server. 9. The method according to claim 7 or 8, characterized in that the method further comprises: After receiving the operation instruction for enabling the voice function, generate a voice activation request and send it to the server; After receiving the activation success response message returned by the server, the voice information is collected and sent to the server, so that the server sends the voice information to the smart cat eye bound with the client for playback. 10. A device for identifying the identity of visitors outside the door, applied to a server, characterized in that it includes: An acquisition unit, configured to acquire the face image information of the visitor; A judging unit, configured to judge whether there is a face image matching the face image information of the visitor in the face image library; A determining unit, configured to determine that the visitor is a stranger when it is determined that there is no matching face image in the face image library, and generate an alarm message, the alarm message including the visitor's Face image information; The first sending unit is configured to send the alarm information to the client, and the alarm information is used to remind the user that there is a strange visitor outside the door. 11. A device for identifying the identity of visitors outside the door, applied to the client, characterized in that it includes: The receiving unit is used to receive the alarm information sent by the server, the alarm information includes the face image information of the visitor, and the alarm information is determined in the face image library after the server obtains the face image information of the visitor. Generated when there is no face image matching the visitor's face image; The display unit is configured to display the alarm information, so that the user can determine the identity of the visitor according to the face image information of the visitor.