CN111614932A - Data processing method and device - Google Patents
Data processing method and device Download PDFInfo
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- CN111614932A CN111614932A CN201910398872.0A CN201910398872A CN111614932A CN 111614932 A CN111614932 A CN 111614932A CN 201910398872 A CN201910398872 A CN 201910398872A CN 111614932 A CN111614932 A CN 111614932A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
- G06V20/53—Recognition of crowd images, e.g. recognition of crowd congestion
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Abstract
The invention provides a data processing method and a data processing device, wherein the method comprises the following steps: acquiring customer data in a 4S store; processing the customer data to obtain preprocessing data corresponding to the customer data; transmitting the pre-processed data to a cloud server. By the data processing method and the data processing device, the obtained customer data can be processed, the preprocessed data corresponding to the customer data can be obtained and transmitted to the cloud server, the load of the cloud server is reduced, and the service data processing efficiency of the cloud server is improved.
Description
Technical Field
The present invention relates to the field of data processing technologies, and in particular, to a data processing method and apparatus.
Background
At present, a large number of cameras and wireless access points (AP devices) are deployed in 4S stores, a large amount of data are generated every day, and the data are directly uploaded to a cloud server (which may also be referred to as a cloud server) for storage without being analyzed to remove useless data after being generated.
A large number of cameras and AP equipment are deployed in a 4S store, massive data are generated every day, if the data are directly uploaded to a cloud server without processing, the load of the cloud server is increased, the service data processing efficiency is reduced, the bandwidth cost is increased, and the server storage resources are occupied.
Disclosure of Invention
In order to solve the above problem, embodiments of the present invention provide a data processing method and apparatus.
In a first aspect, an embodiment of the present invention provides a data processing method, including:
acquiring customer data in a 4S store;
processing the customer data to obtain preprocessing data corresponding to the customer data;
transmitting the pre-processed data to a cloud server.
In a second aspect, an embodiment of the present invention further provides a data processing method for processing a location coordinate of a customer in a 4S store corresponding to the customer image data, including:
receiving the position coordinates of the customer in the 4S shop corresponding to the customer image data sent by the front-end server;
and displaying the position coordinates of the customer corresponding to the customer image data in the 4S store on a 4S store plane display diagram to obtain a 4S in-store customer distribution thermodynamic diagram.
In a third aspect, an embodiment of the present invention further provides a data processing apparatus, including:
the acquisition module is used for acquiring customer data in the 4S store;
the processing module is used for processing the customer data to obtain preprocessing data corresponding to the customer data;
and the transmission module is used for transmitting the preprocessed data to a cloud server.
In a fourth aspect, an embodiment of the present invention further provides a data processing apparatus for processing a position coordinate of a customer in a 4S store corresponding to the customer image data, including:
the receiving module is used for receiving the position coordinates of the customer in the 4S store, which correspond to the customer image data sent by the front-end server;
and the display module is used for displaying the position coordinates of the customer corresponding to the customer image data in the 4S store on a 4S store plane display diagram to obtain a customer distribution thermodynamic diagram in the 4S store.
In the solutions provided in the foregoing first to fourth aspects of the embodiments of the present invention, after the obtained customer data in the 4S store is processed to obtain the preprocessed data corresponding to the customer data, the preprocessed data corresponding to the customer data is transmitted to the cloud server, and compared with the related art in which the obtained mass data is directly uploaded to the cloud server, the method and the system for processing the customer data can obtain the preprocessed data corresponding to the customer data and transmit the preprocessed data to the cloud server after processing the obtained customer data, thereby reducing the load of the cloud server, improving the service data processing efficiency of the cloud server, and simultaneously reducing the bandwidth cost and the occupied storage resources of the cloud server during data transmission.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart illustrating a data processing method according to embodiment 1 of the present invention;
fig. 2 is a flowchart illustrating a data processing method according to embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a data processing apparatus according to embodiment 3 of the present invention;
fig. 4 is a schematic structural diagram illustrating a data processing apparatus according to embodiment 4 of the present invention.
Detailed Description
At present, a large number of cameras and AP (access point) equipment are deployed in a 4S store, a large amount of data are generated every day, and the data are directly uploaded to a cloud server for storage without being analyzed to remove useless data after being generated. A large number of cameras and AP equipment are deployed in a 4S store, massive data are generated every day, if the data are directly uploaded to a cloud server without processing, the load of the cloud server is increased, the service data processing efficiency is reduced, the bandwidth cost is increased, and the server storage resources are occupied. Based on this, the present embodiment provides a data processing method and apparatus, which can transmit the obtained preprocessed data corresponding to the customer data to the cloud server after processing the obtained customer data, so as to reduce the load of the cloud server and improve the service data processing efficiency of the cloud server.
According to the scheme, the acquired customer data in the 4S shop is processed, the preprocessed data corresponding to the customer data are transmitted to the cloud server after the preprocessed data corresponding to the customer data are obtained, the preprocessed data corresponding to the customer data can be transmitted to the cloud server after the acquired customer data are processed, the load of the cloud server is reduced, the service data processing efficiency of the cloud server is improved, and meanwhile the bandwidth cost and occupied storage resources of the cloud server during data transmission can be reduced.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
Example 1
In the data processing method provided by this embodiment, the execution main body is a front-end server.
The front-end server may adopt any computing device in the prior art that can process the obtained customer data to obtain preprocessed data corresponding to the customer data, and details are not repeated here.
Referring to the flow of a data processing method shown in fig. 1, the data processing method provided in this embodiment may perform the following specific steps:
In step 100, the customer data is the customer image data and the MAC address of the mobile terminal that can be collected by the 4S store through the camera and the AP device installed in the store. The AP equipment is used for collecting the MAC address of the mobile terminal used by the customer; and the camera is used for acquiring the image data of the customers in the 4S store.
When acquiring the MAC address of the mobile terminal used by the customer, the AP device transmits the acquired MAC address of the mobile terminal to the front-end server.
The AP device acquires the MAC address of the mobile terminal used by the customer is the prior art, and is not described in detail in this embodiment.
Under the control of the front-end server, the camera identifies customers around the camera based on an opencv framework stored in the front-end server in advance, collects customer image data of the customers when the customers around the camera are determined to appear, and sends the collected customer image data to the front-end server after the customer image data are collected.
The customer image data carries the identification of the camera which collects the customer image data.
And 102, processing the customer data to obtain preprocessing data corresponding to the customer data.
In step 102, the customer image data and the MAC address of the mobile terminal may be processed to obtain preprocessed data corresponding to different customer data.
In order to process the MAC address of the mobile terminal, the step 102 may perform the following steps (1) to (2):
(1) when the MAC address of the mobile terminal is not sent to the cloud server in the current period, determining the MAC address of the mobile terminal as the preprocessing data corresponding to the customer data;
(2) and when the MAC address of the mobile terminal is not sent to the cloud server in the current period, the MAC address of the mobile terminal is discarded.
In the step (1), the front-end server may periodically send the MAC address of the mobile terminal, which is the preprocessed data corresponding to the customer data, to the cloud server, so that the cloud server may count the number of customers in the 4S store in the current period according to the number of MAC addresses of the mobile terminals received in the current period.
In order to improve accuracy, the period length of transmitting the MAC address of the mobile terminal is counted, and may be a time period in units of one minute or several minutes.
In order to process the customer image data, the step 102 may perform the following steps (1) to (4):
(1) processing the customer image data to obtain key point data of the customer image data;
(2) acquiring an identifier of a camera for acquiring the customer image data;
(3) inquiring coordinate information of the camera corresponding to the identification of the camera;
(4) and obtaining the position coordinates of the customer corresponding to the customer image data in the 4S shop as the preprocessing data corresponding to the customer data according to the coordinate information of the camera and the key point data of the customer image data.
In the step (1), the front-end server may process the customer image data through an openspace open source library preset in the front-end server itself, so as to obtain the key point data of the customer image data.
The process of processing the image data of the customer by the openposition open source library is the prior art, and is not described in detail in this embodiment.
In the step (2), the identifier of the camera which collects the customer image data is analyzed from the customer image data.
In the step (3), the front-end server stores in advance the correspondence between the camera identification and the camera installation position coordinates (i.e., the coordinate information of the camera).
Therefore, the corresponding relation between the identification of the camera and the coordinates of the installation position of the camera can be traversed through the analyzed identification of the camera, and the position information of the camera for collecting the image data of the customer can be inquired.
In the step (4), the front-end server processes the key point data of the customer image data and the coordinate information of the camera by using an affine transformation method in an opencv architecture, and obtains the position coordinates of the customer in the 4S store corresponding to the customer image data.
The opencv architecture is used for processing the coordinate information of the camera and the key point data of the customer image data, and a process of obtaining the position coordinates of the customer in the 4S store corresponding to the customer image data is the prior art, and is not described herein again.
And 104, transmitting the preprocessed data to a cloud server.
Here, the MAC address of the mobile terminal as the preprocessed data and/or the position coordinates of the customer in the 4S store corresponding to the customer image data are uploaded to the cloud server in http + json manner and stored.
In summary, according to the data processing method provided in this embodiment, the acquired customer data in the 4S store is processed, the preprocessed data corresponding to the customer data is transmitted to the cloud server after the preprocessed data corresponding to the customer data is acquired, and compared with the method that the acquired mass data is directly uploaded to the cloud server in the related art, the preprocessed data corresponding to the customer data can be acquired after the acquired customer data is processed and transmitted to the cloud server, so that the load of the cloud server is reduced, the service data processing efficiency of the cloud server is improved, and meanwhile, the bandwidth cost during data transmission and the occupied storage resources of the cloud server are also reduced.
Example 2
The embodiment provides a data processing method, and an execution main body is a cloud server.
The cloud server. Any computing device in the prior art that can process the 4S in-store customer distribution thermodynamic diagram can be used, and will not be described in detail here.
Referring to the flow of a data processing method shown in fig. 2, processing the position coordinates of the customer in the 4S store corresponding to the customer image data may include the following specific steps:
and 200, receiving the position coordinates of the customer in the 4S shop corresponding to the customer image data sent by the front-end server.
And step 202, displaying the position coordinates of the customer corresponding to the customer image data in the 4S store on a 4S store plane display diagram to obtain a customer distribution thermodynamic diagram in the 4S store.
Specifically, the cloud server initializes a polygonal area formed by connecting position coordinates of the customers in the 4S store corresponding to the customer image data into an all-zero matrix through a prestored numpy data science library, and then maps the position coordinates of the customers in the 4S store, which are obtained by processing an opencv architecture in the front-end server, onto the all-zero matrix to form a thermal area. Namely, affine transformation is carried out on a polygonal area under the camera and a polygonal area corresponding to the 4S in-store map through an opencv technology, so that a 4S in-store customer distribution thermodynamic diagram is obtained.
In step 202, the position coordinates of the customer in the 4S store corresponding to the customer image data may be displayed on the 4S store plan display diagram by any technology capable of obtaining a distribution thermodynamic diagram according to the coordinates in the prior art, so as to obtain a 4S in-store customer distribution thermodynamic diagram, which is not described herein again.
And if the cloud server receives the MAC address of the mobile terminal sent by the front-end server, the received MAC address of the mobile terminal is stored, the number of customers in the 4S store in the current period can be counted according to the number of the stored MAC addresses of the mobile terminal, and the counted number of the customers is sent to the front-end server to be displayed.
In summary, according to the data processing method provided in this embodiment, the position coordinates of the customer in the 4S store corresponding to the customer image data sent by the front-end server can be directly displayed on the 4S store plane display diagram, so as to obtain the 4S in-store customer distribution thermodynamic diagram, and the 4S in-store customer distribution thermodynamic diagram can be obtained without processing the customer image data of the customer, so that the load is reduced, and the business data processing efficiency is improved.
Example 3
Referring to a schematic structural diagram of a data processing apparatus shown in fig. 3, the present embodiment proposes a data processing apparatus for executing the data processing method proposed in embodiment 1, where the data processing apparatus includes:
an obtaining module 300, configured to obtain customer data in a 4S store;
a processing module 302, configured to process the customer data to obtain preprocessed data corresponding to the customer data;
a transmission module 304, configured to transmit the preprocessed data to a cloud server.
Specifically, the customer data includes: a Media Access Control (MAC) address of a mobile terminal used by a customer;
the processing module is specifically configured to:
and when the MAC address of the mobile terminal is not sent to the cloud server in the current period, determining the MAC address of the mobile terminal as the preprocessing data corresponding to the customer data.
Specifically, the customer data includes: customer image data;
the processing module is further specifically configured to:
processing the customer image data to obtain key point data of the customer image data;
acquiring an identifier of a camera for acquiring the customer image data;
inquiring coordinate information of the camera corresponding to the identification of the camera;
and obtaining the position coordinates of the customer corresponding to the customer image data in the 4S shop as the preprocessing data corresponding to the customer data according to the coordinate information of the camera and the key point data of the customer image data.
In summary, according to the data processing apparatus provided in this embodiment, acquired customer data in a 4S store is processed, and after preprocessed data corresponding to the customer data is obtained, the preprocessed data corresponding to the customer data is transmitted to the cloud server, and compared with the method that acquired mass data is directly uploaded to the cloud server in the related art, the preprocessed data corresponding to the customer data can be obtained and transmitted to the cloud server after the acquired customer data is processed, so that the load of the cloud server is reduced, the service data processing efficiency of the cloud server is improved, and meanwhile, the bandwidth cost during data transmission and the occupied storage resources of the cloud server can also be reduced.
Example 4
Referring to a schematic structural diagram of a data processing apparatus shown in fig. 4, the present embodiment proposes a data processing apparatus for executing the data processing method proposed in embodiment 2, where the data processing apparatus is configured to process position coordinates of a customer in a 4S store corresponding to the customer image data, and includes:
a receiving module 400, configured to receive position coordinates of a customer in a 4S store, where the position coordinates correspond to the customer image data sent by the front-end server;
a display module 402, configured to display the position coordinates of the customer in the 4S store corresponding to the customer image data on a 4S store plan display diagram, so as to obtain a customer distribution thermodynamic diagram in the 4S store.
As described above, the data processing apparatus according to the present embodiment can directly display the position coordinates of the customer in the 4S store corresponding to the customer image data transmitted by the front-end server on the 4S store plan display view to obtain the 4S in-store customer distribution thermodynamic diagram, and can obtain the 4S in-store customer distribution thermodynamic diagram without processing the customer image data of the customer, thereby reducing the load and improving the efficiency of business data processing.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A data processing method, comprising:
acquiring customer data in a 4S store;
processing the customer data to obtain preprocessing data corresponding to the customer data;
transmitting the pre-processed data to a cloud server.
2. The method of claim 1, wherein the customer data comprises: a Media Access Control (MAC) address of a mobile terminal used by a customer;
processing the customer data to obtain preprocessing data corresponding to the customer data, wherein the preprocessing data comprises:
and when the MAC address of the mobile terminal is not sent to the cloud server in the current period, determining the MAC address of the mobile terminal as the preprocessing data corresponding to the customer data.
3. The method of claim 1, wherein the customer data comprises: customer image data;
processing the customer data to obtain preprocessing data corresponding to the customer data, and further comprising:
processing the customer image data to obtain key point data of the customer image data;
acquiring an identifier of a camera for acquiring the customer image data;
inquiring coordinate information of the camera corresponding to the identification of the camera;
and obtaining the position coordinates of the customer corresponding to the customer image data in the 4S shop as the preprocessing data corresponding to the customer data according to the coordinate information of the camera and the key point data of the customer image data.
4. A data processing method for processing a position coordinate of a customer in a 4S store corresponding to the customer image data, comprising:
receiving the position coordinates of the customer in the 4S shop corresponding to the customer image data sent by the front-end server;
and displaying the position coordinates of the customer corresponding to the customer image data in the 4S store on a 4S store plane display diagram to obtain a 4S in-store customer distribution thermodynamic diagram.
5. A data processing apparatus, comprising:
the acquisition module is used for acquiring customer data in the 4S store;
the processing module is used for processing the customer data to obtain preprocessing data corresponding to the customer data;
and the transmission module is used for transmitting the preprocessed data to a cloud server.
6. The method of claim 5, wherein the customer data comprises: a Media Access Control (MAC) address of a mobile terminal used by a customer;
the processing module is specifically configured to:
and when the MAC address of the mobile terminal is not sent to the cloud server in the current period, determining the MAC address of the mobile terminal as the preprocessing data corresponding to the customer data.
7. The method of claim 5, wherein the customer data comprises: customer image data;
the processing module is further specifically configured to:
processing the customer image data to obtain key point data of the customer image data;
acquiring an identifier of a camera for acquiring the customer image data;
inquiring coordinate information of the camera corresponding to the identification of the camera;
and obtaining the position coordinates of the customer corresponding to the customer image data in the 4S shop as the preprocessing data corresponding to the customer data according to the coordinate information of the camera and the key point data of the customer image data.
8. A data processing device for processing the position coordinates of a customer in a 4S store corresponding to the customer image data, comprising:
the receiving module is used for receiving the position coordinates of the customer in the 4S store, which correspond to the customer image data sent by the front-end server;
and the display module is used for displaying the position coordinates of the customer corresponding to the customer image data in the 4S store on a 4S store plane display diagram to obtain a customer distribution thermodynamic diagram in the 4S store.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030206102A1 (en) * | 2002-05-01 | 2003-11-06 | Joao Raymond Anthony | Control, monitoring and/or security apparatus and method |
| CN105574503A (en) * | 2015-12-16 | 2016-05-11 | 陕西科技大学 | Device and method for querying subway passenger distribution and full rate in real time |
| CN106096550A (en) * | 2016-06-12 | 2016-11-09 | 朱兰英 | A kind of indoor tour verifying system based on face-image |
| CN106211049A (en) * | 2016-08-31 | 2016-12-07 | 浙江师范大学 | The crowded reminding method of subway based on WIFI and system |
| CN107104851A (en) * | 2017-03-27 | 2017-08-29 | 珠海网博信息科技股份有限公司 | A kind of thermodynamic chart methods of exhibiting and system based on WIFI |
| CN107395965A (en) * | 2017-07-14 | 2017-11-24 | 维沃移动通信有限公司 | A kind of image processing method and mobile terminal |
-
2019
- 2019-05-14 CN CN201910398872.0A patent/CN111614932A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030206102A1 (en) * | 2002-05-01 | 2003-11-06 | Joao Raymond Anthony | Control, monitoring and/or security apparatus and method |
| CN105574503A (en) * | 2015-12-16 | 2016-05-11 | 陕西科技大学 | Device and method for querying subway passenger distribution and full rate in real time |
| CN106096550A (en) * | 2016-06-12 | 2016-11-09 | 朱兰英 | A kind of indoor tour verifying system based on face-image |
| CN106211049A (en) * | 2016-08-31 | 2016-12-07 | 浙江师范大学 | The crowded reminding method of subway based on WIFI and system |
| CN107104851A (en) * | 2017-03-27 | 2017-08-29 | 珠海网博信息科技股份有限公司 | A kind of thermodynamic chart methods of exhibiting and system based on WIFI |
| CN107395965A (en) * | 2017-07-14 | 2017-11-24 | 维沃移动通信有限公司 | A kind of image processing method and mobile terminal |
Non-Patent Citations (1)
| Title |
|---|
| 都伊林: "《智能安防新发展与应用》", 31 July 2018, 武汉：华中科技大学出版社 * |
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