CN111667347B - Big data type search system based on 5G communication technology and search method thereof - Google Patents
Big data type search system based on 5G communication technology and search method thereof Download PDFInfo
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Abstract
A big data type search system based on a 5G communication technology and a search method thereof belong to the technical field of Internet search, wherein the big data type search system based on the 5G communication technology comprises user mobile equipment, a 5G communication module and a server system. The invention applies the 5G communication technology to the high-speed transmission of data, applies the technology to a picture searching system for commodity purchase, and enables a user to carry out picture transmission on pictures of commodities to be purchased through a round trip uploading method, namely, uploading encryption and uploading searching, so that the search information of the user can be kept secret to avoid leakage, meanwhile, matching searching is carried out in a large data mode after the whole network resource is used as a basis for recognizing the pictures, the commodity information and the source are determined, the search result is returned, the nearest shops are recommended to the user directly, the user can conveniently go to the consumption, the anti-theft function is provided for the user, and the retrieval of the mobile equipment of the user and the capture of lawns are facilitated.
Description
Technical Field
The invention belongs to the technical field of Internet searching, and particularly relates to a big data type searching system and a searching method thereof based on a 5G communication technology.
Background
With the development of informatization technology, especially social networks, mobile interconnection, internet of things, rapid rise and popularization of big data applications, data generated by the development of human society has shown explosive growth. The data created every two days worldwide today is equivalent to the aggregate of human created data from the beginning of human civilization to 2003, and is also growing at 50% per year. Rapidly expanding data has brought humans into a new "big data" era, and data has become strategic resources and production elements of equal importance as natural resources, human resources. Facing such huge data, how to quickly acquire the needed data from the massive data and discover the needed knowledge is a challenge facing today.
The 5G network refers to a fifth generation network in the development of a mobile communication network, and compared with the previous four generation mobile network, the 5G network has a more enhanced function in the practical application process, and theoretically, the transmission speed can reach tens of GB per second, which is hundreds of times that of the 4G mobile network. For 5G networks, they offer significant advantages and more powerful functions in practical applications.
With the development of computers and networks, a search function has become the most commonly used function, and a user conveniently and rapidly acquires destination information through a search operation. However, with the development of business, the data volume that can be searched is also larger and larger, the data volume that is continuously increased is called big data at present, the searching operation of the data volume that is continuously increased is called searching of big data, the influence of the big data permeates into each industry, and profound influence is brought to future technological and economic development, however, while big data brings convenience, more and more human activities can generate PB-level data every month, and meanwhile, more and more demands need to process dozens of PB, hundreds of PB and even EB-level data every day, because the data volume is extremely huge, the information volume that needs to be processed is larger and larger through a searching system, the searching efficiency is lower, the searching efficiency is greatly influenced, and the workload, time consumption and equipment loss of a big data center are increased.
Most of the current search systems adopt text forms for searching, when a user purchases goods with unknown information, the text forms of search are difficult to meet the user demands, the advantage of picture search is reflected, but the large data volume of picture search is also the search volume of far-ultra text forms, and the picture searching mode is cumbersome in the commodity purchasing industry, and the user is more hopeful to directly search shops with the picture so as to save the search steps, so that the current text search systems and text search systems are difficult to meet the quick search demands of the user.
There is a need in the art for a new solution to this problem.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the big data type search system and the search method based on the 5G communication technology are used for solving the technical problem that the existing text search system and the existing text search system are difficult to meet the quick search requirement of a user.
The big data type searching system based on the 5G communication technology comprises user mobile equipment, a 5G communication module and a server system, wherein the user mobile equipment comprises a photographing module and a restoring module; the server system comprises a big data server, an encryption module, an anti-theft module, a picture searching module, a data index library module, a data index module, a data storage module, a data acquisition module and a network positioning module;
the photographing module is used for photographing pictures and is connected with the encryption module through the 5G communication module; the encryption module encrypts the shot photo and is connected with the restore module through the 5G communication module; the restoring module is connected with the picture searching module through the 5G communication module and is used for downloading the encrypted picture and automatically uploading the picture to the picture searching module; the picture searching module carries out safety authentication and picture identification on the picture, and sends a searching request to the big data server after the picture identification is completed; the big data server is respectively connected with the anti-theft module, the picture searching module, the data index library module and the network positioning module, and is used for receiving the searching request and searching, sending a positioning command to the network positioning module, performing similarity matching on the data index searching result and the data in the data storage module, and returning the matched data searching result to the picture searching module; the data index library module is respectively connected with the data index module and the data storage module, wherein the data storage module is used for storing collected commodity data, the data index module is used for establishing commodity data index numbers, and the data index library module is used for storing commodity data index numbers; the data acquisition module is respectively connected with the data index module and the data storage module, and is used for acquiring commodity data in a whole network.
The user mobile device also comprises a mobile phone retrieving module and a GPS positioning module
The anti-theft module comprises a bright screen snapshot unit, a face information comparison unit and a machine changing positioning unit.
The photographing module comprises a photographing unit and a front photographing unit.
The picture searching module comprises an uploading unit, a security authentication unit, a picture identifying unit, a result unit and a cache unit.
The image recognition unit comprises target image feature extraction, image feature information coding and similarity matching operation.
The server system also comprises a user information module, wherein the user information module stores personal information and search records of the user.
The big data server performs conventional searching, personalized searching and custom searching of pictures.
A searching method of a big data type searching system based on a 5G communication technology, which is utilized by the big data type searching system based on the 5G communication technology, comprises the following steps which are sequentially carried out,
s1, acquiring commodity data through a data acquisition module in a whole network;
s2, storing the acquired commodity data into a data storage module, and simultaneously establishing an index for the acquired commodity data by a data index module;
s3, storing the established index to a data index library module to wait for calling;
s4, a user opens the search system, the user mobile device shoots pictures through the shooting module or selects pictures stored in the user mobile device to be uploaded to the encryption module through the 5G communication module for encryption processing, the restoring module downloads the encrypted pictures and uploads the pictures to the picture search module again, and the downloading and uploading of the restoring module are both carried out by taking the 5G communication module as a data transmission module;
s5, the picture searching module carries out security authentication on the received picture,
if the security authentication result is failed, rejecting the search request and returning empty search results to the user,
if the security authentication result is passed, identifying the target picture, and sending a search request to a big data server after the identification is completed;
s6, after the big data server receives the search request, the network positioning module positions the user position to narrow the search range, and searches from the data index library module;
s7, the big data server performs similarity matching on the data index search result and the data in the data storage module, and the data search result with the similarity being greater than or equal to a set threshold value is returned to the picture search module;
and S8, feeding back a store search result closest to the user by the picture search module.
The searching method also comprises the following stolen recovery steps:
p1, after the user mobile equipment is stolen, activating a mobile phone recovery module of the user mobile equipment through anti-theft software installed on a mobile phone, and activating an anti-theft module of a search system by the mobile phone recovery module, wherein the anti-theft module sends a stolen instruction to a big data server, and the big data server sends a positioning instruction to a network positioning module for network positioning and GPS positioning, so that quick recovery is facilitated;
p2, when the lawbreaker lights up the screen of the user mobile device, the front camera of the user mobile device automatically starts secret snapshot and uploads the picture to the big data server;
and P3, transmitting the photo of the lawbreaker to the police intelligent equipment for identification and identity determination through data transmission between the big data server and the police intelligent equipment, and carrying out network positioning and GPS positioning on the user mobile equipment bound by the lawbreaker to assist the police in capturing the lawbreaker.
Through the design scheme, the invention has the following beneficial effects:
(1) The scheme can realize that the 5G communication technology is used as a basis for high-speed transmission of data, the method is applied to a picture searching system for commodity purchase, a user transmits pictures of commodities to be purchased in a round trip uploading method, namely, the pictures are uploaded and encrypted first and then are uploaded and searched, the search information of the user can be subjected to security processing to avoid leakage, meanwhile, matching search is carried out in a large data mode after the whole network resource is used as a basis for recognizing the pictures, the commodity information and the source are determined, the search result is returned, the user is directly recommended to the nearest shop, the user is convenient to go to consume, the anti-theft function is provided for the user, and the retrieval of the user mobile equipment and the capture of lawless persons are facilitated.
(2) The shooting module comprises a normal shooting unit and a front shooting unit, the user mobile equipment comprises a mobile phone retrieving module and a GPS positioning module, the anti-theft module comprises a bright screen shooting unit, a face information comparison unit and a machine changing positioning unit, and the front shooting unit is used for shooting face information of lawless persons; the mobile phone retrieving module is an existing function on the mobile equipment of the user and provides remote mobile phone management for the user; the screen-lightening snapshot unit is used for carrying out snapshot uploading when the lawless persons lighten the screen; the face information comparison unit is used for locking the identity of the user; the machine changing positioning unit is used for transferring the positioning of the stolen user mobile equipment to the positioning of the illegal user mobile equipment, so that on one hand, network positioning and GPS positioning of the stolen user mobile equipment are prevented from being invalid, and on the other hand, the illegal user mobile equipment is prevented from being lost and difficult to catch and return to the case.
(3) The picture searching module comprises an uploading unit, a security authentication unit, a picture identifying unit, a result unit and a cache unit, wherein the uploading unit is used for uploading commodity pictures by a user; the security authentication unit is used for performing security authentication on the picture and preventing a user from purchasing contraband; the image recognition unit is used for recognizing the commodity image to determine the commodity; the result unit is used for displaying search results to a user; the caching unit is used for temporarily storing search results and is directly called when searching next time.
(4) The number of pictures uploaded by the uploading unit at the same time is preferably 1-3, at least not less than 1 and at most not more than 5.
(5) The image recognition unit comprises target image feature extraction, image feature information coding and similarity matching operation.
(6) The caching duration of the caching unit is 15-30 days, the caching data is automatically deleted after the caching unit reaches the specified duration, the caching data is automatically cleaned periodically, the redundancy of the data can be reduced, the running speed of the system is improved, and a user can also manually select to clean.
(7) The server system also comprises a user information module, wherein the user information module stores personal information and search records of a user, the search records only store the latest 100, and each time the latest 1 search records are automatically covered by the new search records after more than 1 search records, learning and extending can be carried out according to the search records of the user, and the latest interested commodity or store can be recommended to the user.
(8) The big data server comprises conventional searching, personalized searching and custom searching, wherein the conventional searching is single commodity picture searching, and only a target searching result is returned; the personalized search can return the target search results according to the interests or the demands of the user and simultaneously recommend similar results or interesting results; custom searching the search criteria is custom-defined by the user.
Drawings
The invention is further described with reference to the drawings and detailed description which follow:
fig. 1 is a block diagram of a big data search system based on a 5G communication technology in the present invention.
Fig. 2 is a flow chart of a big data type searching method based on a 5G communication technology in the present invention.
In the figure, a 1-user mobile device, a 2-5G communication module, a 3-server system, a 101-photographing module, a 102-copy module, a 301-big data server, a 302-encryption module, a 303-anti-theft module, a 304-picture searching module, a 305-data index library module, a 306-data index module, a 307-data storage module, a 308-data acquisition module and a 309-network positioning module are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "engaged/connected," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be an integral connection, may be a mechanical connection, may be an electrical connection, may be a direct connection, may be an indirect connection via an intermediary, may be a communication between two elements, and for one of ordinary skill in the art, the specific meaning of the terms in this disclosure may be understood in a specific case.
Examples:
referring to fig. 1, a big data search system based on 5G communication technology includes a server system 3, a 5G communication module 2,5G is connected to the server system 3, a user mobile device 1 is connected to a communication module 2 of the server system 3, the server system 3 includes a big data server 301, an encryption module 302 and an anti-theft module 303,
the big data server 301 provides big data searching service for users, and has the advantages of large searching range, accurate data and high speed; the encryption module 302 is used for encrypting the picture provided by the user, preventing the search information from being stolen, and improving the security and confidentiality of the search; the anti-theft module 303 is used for providing an anti-theft function for the user mobile device 1 to help the user find back, the big data server 301 is connected with the picture searching module 304, the user mobile device 1 comprises a photographing module 101 and a restoring module 102, the photographing module 101 is connected with the encrypting module 302, the encrypting module 302 is connected with the restoring module 102, the restoring module 102 is connected with the picture searching module 304, the photographing module 101 firstly uploads the picture shot by the user to the encrypting module 302 for encryption and then downloads the picture to the restoring module 102, and the restoring module 102 automatically uploads the picture to the picture searching module 304 for searching, so that the safety of picture searching and the confidentiality of user information are improved, the big data server 301 is connected with the data index library module 305, the big data server 301 is an analysis and processing server based on big data technology and is responsible for receiving the request of the picture searching module 304, searching is simultaneously carried out from the data index library module 305, the matched result is returned to the picture searching module 304 from the data storage module 307, the data index library module 305 is respectively connected with the data index module 306 and the data storage module 307, and the data index module 305 is responsible for storing the data index information of the big data server 301 for use; the data storage module 307 is responsible for storing various data resources acquired by the data acquisition module 308, supporting the storage of structured data and unstructured data, the data index module 306 is connected with the data acquisition module 308, the data index module 306 is responsible for establishing an index for the data according to attribute information of the data resources acquired by the data acquisition module 308, and storing the index data to the data index database module 305; the data acquisition module 308 is responsible for acquiring data objects to be searched, processing the data into a data format convenient for searching, and the big data server 301 is also connected with the network positioning module 309, so that the positioning speed is high, the precision is high, and the positioning of the user mobile device 1 can be realized instantaneously under the networking condition.
The photographing module 101 comprises a normal photographing unit and a front photographing unit, the user mobile device 1 comprises a mobile phone retrieving module and a GPS positioning module, the anti-theft module 303 comprises a bright screen snapshot unit, a face information comparison unit and a machine changing positioning unit, and the front photographing unit is used for capturing face information of lawless persons; the mobile phone retrieving module is an existing function on the mobile equipment 1 of the user and provides remote mobile phone management for the user; the screen-lightening snapshot unit is used for carrying out snapshot uploading when the lawless persons lighten the screen; the face information comparison unit is used for locking the identity of the user; the machine changing positioning unit is used for transferring the positioning of the stolen user mobile equipment 1 to the positioning of the illegal user mobile equipment 1, so that on one hand, the network positioning and the GPS positioning of the stolen user mobile equipment 1 are prevented from being invalid, and on the other hand, the illegal user mobile equipment 1 is prevented from being lost and difficult to catch and return to the case.
The picture searching module 304 comprises an uploading unit, a security authentication unit, a picture identifying unit, a result unit and a cache unit, wherein the uploading unit is used for uploading commodity pictures by a user; the security authentication unit is used for performing security authentication on the picture and preventing a user from purchasing contraband; the image recognition unit is used for recognizing the commodity image to determine the commodity; the result unit is used for displaying search results to a user; the caching unit is used for temporarily storing search results and is directly called when searching next time; the number of pictures uploaded by the uploading unit at the same time is preferably 1-3, at least not less than 1 and at most not more than 5; the picture identifying unit comprises target picture feature extraction, picture feature information coding and similarity matching operation; the caching duration of the caching unit is 15-30 days, the caching data is automatically deleted after the caching unit reaches the specified duration, the caching data is automatically cleaned periodically, the redundancy of the data can be reduced, the running speed of the system is improved, and a user can also manually select to clean.
The server system 3 further comprises a user information module, wherein the user information module stores personal information and search records of a user, the search records only store the latest 100, and each time the latest 1 search records are automatically covered by the new search records after more than 1 search records, learning and extension can be performed according to the search records of the user, the latest interested commodity or store can be recommended to the user, meanwhile, occupation of a large amount of expired data is avoided, and tracking of the user interest can be updated in real time.
The big data server 301 includes a conventional search, a personalized search and a custom search, wherein the conventional search is a single commodity picture search, and only returns a target search result; the personalized search can return the target search results according to the interests or the demands of the user and simultaneously recommend similar results or interesting results; the user-defined search is performed by the user to define the search condition, on the one hand, the search performance can be improved through the big data technology, on the other hand, the method has the advantages of congenital processing of structured and unstructured data due to the characteristics of the big data technology, the category of the search objects of the search system is expanded, and on the other hand, the method has the function of machine learning, and utilizes the big data analysis processing capability of the method to provide recommendation and association analysis of potential data search and provide similarity sorting for the user to select.
A searching method of a big data type searching system based on a 5G communication technology comprises the following steps:
s1, acquiring commodity data through a data acquisition module 308 in a whole network;
s2, storing the acquired commodity data into a data storage module 307, and simultaneously establishing an index for the acquired commodity data by a data index module 306;
s3, storing the established index to a data index library module 305 to wait for calling;
s4, after the user opens the search system, the user jumps to the photographing module 101 through the picture searching module 304, the user firstly uploads the pictures to the encryption module 302 for encryption processing after selecting the pictures, downloads the pictures after encryption is completed, and uploads the pictures to the picture searching module 304 again;
s5, the picture searching module 304 carries out safety authentication on the picture, if the safety authentication is not passed, the searching request is refused, and an empty searching result is returned to the user, if the safety authentication is passed, the picture is identified on the target picture, and after the picture identification is completed, the searching request is sent to the big data server 301;
s6, after the big data server 301 receives the search request, the network positioning module 309 performs positioning to the user position to narrow the search range, and searches from the data index database module 305;
s7, the big data server 301 performs similarity matching on the data index search result and the data in the data storage module 307, and returns the matched data search result to the picture search module 304;
s8, the picture searching module 304 feeds back the search result of the store closest to the user.
The searching method of the big data type searching system based on the 5G communication technology further comprises the following steps:
p1, after the mobile equipment 1 of the user is stolen, activating an anti-theft module 303 of the search system through a mobile phone retrieving module, and simultaneously expanding network positioning and GPS positioning to facilitate quick retrieving;
p2, when an lawbreaker lights up a screen of the user mobile device 1, a front camera of the user mobile device 1 automatically starts secret snapshot and uploads a picture;
p3, the big data server 301 is used for identifying the facial information of the lawbreaker and determining the identity, and network positioning and GPS positioning are performed on the user mobile device 1 bound with the lawbreaker, so as to assist the police to capture the lawbreaker.
The invention applies the 5G communication technology to the high-speed transmission of data, applies the technology to a picture searching system for commodity purchase, and enables a user to carry out picture transmission on pictures of the commodity to be purchased through a round trip uploading method, namely, uploading encryption and uploading searching, so that the search information of the user can be kept secret to avoid leakage, meanwhile, matching searching is carried out in a large data mode after the whole network resource is used as a basis for recognizing the picture, the commodity information and the source are determined, the search result is returned, the nearest store is recommended to the user directly, the user can conveniently go to the consumer, the anti-theft function is provided for the user, and the retrieval of the mobile equipment 1 of the user and the capture of illegal molecules are facilitated.
Claims (7)
1. A big data type search system based on a 5G communication technology is characterized in that: the mobile terminal comprises user mobile equipment (1), a 5G communication module (2) and a server system (3), wherein the user mobile equipment (1) comprises a photographing module (101) and a restoring module (102); the server system (3) comprises a big data server (301), an encryption module (302), an anti-theft module (303), a picture searching module (304), a data index library module (305), a data index module (306), a data storage module (307), a data acquisition module (308) and a network positioning module (309);
the photographing module (101) is used for photographing a photo, and the photographing module (101) is connected with the encryption module (302) through the 5G communication module (2); the encryption module (302) encrypts the shot photo, and the encryption module (302) is connected with the restore module (102) through the 5G communication module (2); the restoring module (102) is connected with the picture searching module (304) through the 5G communication module (2), and the restoring module (102) is used for downloading the encrypted picture and automatically uploading the picture to the picture searching module (304); the picture searching module (304) carries out safety authentication and picture identification on the picture, and sends a searching request to the big data server (301) after the picture identification is completed; the big data server (301) is respectively connected with the anti-theft module (303), the picture searching module (304), the data index library module (305) and the network positioning module (309), the big data server (301) is used for receiving the searching request and searching, sending a positioning command to the network positioning module (309), performing similarity matching on the data index searching result and the data in the data storage module (307), and returning the matched data searching result to the picture searching module (304); the data index library module (305) is respectively connected with the data index module (306) and the data storage module (307), wherein the data storage module (307) is used for storing the acquired commodity data, the data index module (306) is used for establishing commodity data index numbers, and the data index library module (305) is used for storing commodity data index numbers; the data acquisition module (308) is respectively connected with the data index module (306) and the data storage module (307), and the data acquisition module (308) is used for acquiring commodity data in a whole network;
the user mobile equipment (1) further comprises a mobile phone retrieving module and a GPS positioning module; the anti-theft module (303) comprises a bright screen snapshot unit, a face information comparison unit and a machine changing positioning unit; the photographing module (101) comprises a photographing unit and a front photographing unit;
the front shooting unit is used for capturing facial information of lawless persons; the mobile phone retrieving module is an existing function on the mobile equipment of the user and provides remote mobile phone management for the user; the screen-lightening snapshot unit is used for carrying out snapshot uploading when an lawbreaker lightens the screen; the face information comparison unit is used for locking the identity of the user; the machine changing positioning unit is used for transferring the positioning of the stolen user mobile equipment to the positioning of the illegal user mobile equipment, so that on one hand, network positioning and GPS positioning of the stolen user mobile equipment are prevented from being invalid, and on the other hand, the illegal user mobile equipment is prevented from being lost and difficult to catch and return to the case.
2. The big data search system based on the 5G communication technology as claimed in claim 1, wherein: the picture searching module (304) comprises an uploading unit, a security authentication unit, a picture identifying unit, a result unit and a cache unit.
3. The big data search system based on the 5G communication technology as claimed in claim 2, wherein: the image recognition unit comprises target image feature extraction, image feature information coding and similarity matching operation.
4. The big data search system based on the 5G communication technology as claimed in claim 1, wherein: the server system (3) further comprises a user information module, wherein the user information module stores personal information and search records of the user.
5. The big data search system based on the 5G communication technology as claimed in claim 1, wherein: the big data server (301) performs regular, personalized and custom searches of pictures.
6. A searching method of a big data type searching system based on a 5G communication technology, using the big data type searching system based on a 5G communication technology as set forth in claim 1, characterized in that: comprising the following steps, and the following steps are carried out in sequence,
s1, acquiring commodity data through a data acquisition module (308) in a whole network;
s2, storing the acquired commodity data into a data storage module (307), and simultaneously establishing an index for the acquired commodity data by a data index module (306);
s3, storing the established index to a data index library module (305) to wait for calling;
s4, a user opens a search system, the user mobile device (1) shoots pictures through the shooting module (101) or selects pictures stored in the user mobile device (1) to be uploaded to the encryption module (302) through the 5G communication module (2) for encryption, the memory module (102) downloads the encrypted pictures and uploads the pictures to the picture search module (304) again, and the memory module (102) downloads and uploads the pictures as data transmission modules through the 5G communication module (2);
s5, the picture searching module (304) carries out security authentication on the received picture,
if the security authentication result is failed, rejecting the search request and returning empty search results to the user,
if the security authentication result is passed, identifying the target picture, and after the identification is completed, sending a search request to a big data server (301);
s6, after the big data server (301) receives the search request, the network positioning module (309) is used for positioning the user position to narrow the search range, and searching is carried out from the data index database module (305);
s7, the big data server (301) performs similarity matching on the data index search result and the data in the data storage module (307), and the data search result with the similarity being greater than or equal to a set threshold value is returned to the picture search module (304);
and S8, the picture searching module (304) feeds back the search result of the store closest to the user.
7. The searching method of the big data type searching system based on the 5G communication technology as set forth in claim 6, wherein the searching method is characterized in that: the searching method also comprises the following stolen recovery steps:
p1, after the user mobile equipment (1) is stolen, activating a mobile phone recovery module of the user mobile equipment (1) through anti-theft software installed on a mobile phone, and enabling the mobile phone recovery module to activate an anti-theft module (303) of a search system, wherein the anti-theft module (303) sends a stolen instruction to a big data server (301), and the big data server (301) sends a positioning instruction to a network positioning module (309) to perform network positioning and GPS positioning, so that the mobile phone is convenient and quick to recover;
p2, the lawbreaker lights up the screen of the user mobile equipment (1) and simultaneously, the front camera of the user mobile equipment (1) automatically starts secret snapshot and uploads pictures to the big data server (301);
p3, through the data transmission of big data server (301) and police intelligent device, send the photo of lawless person to police intelligent device and discern and confirm the identity, turn over to the user mobile device that lawless person binds and carry out network location and GPS location, help police to catch lawless person.
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