CN108924109B - Data transmission method and device and processing equipment - Google Patents
Data transmission method and device and processing equipment Download PDFInfo
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- CN108924109B CN108924109B CN201810647386.3A CN201810647386A CN108924109B CN 108924109 B CN108924109 B CN 108924109B CN 201810647386 A CN201810647386 A CN 201810647386A CN 108924109 B CN108924109 B CN 108924109B
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- H—ELECTRICITY
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Abstract
The invention provides a data transmission method, a data transmission device and processing equipment, which relate to the technical field of data distribution, and the method comprises the following steps: sending a feature library to a comparison terminal, wherein the feature library comprises first feature information corresponding to a plurality of original data, and the first feature information corresponding to each original data is information generated by the original data through a preset feature extraction algorithm; receiving an acquisition result sent by a comparison terminal, wherein the acquisition result comprises an identifier of first characteristic information matched with the acquired data acquired by the comparison terminal, and determining target original data according to the identifier; and sending the target original data to a comparison terminal. The data transmission method, the data transmission device and the data transmission processing equipment provided by the embodiment of the invention do not violate the principle of data confidentiality, meet the requirement of a data comparison service of a comparison terminal and can transfer and utilize data on the premise of meeting the confidentiality requirement.
Description
Technical Field
The present invention relates to the field of information technologies, and in particular, to a data transmission method, an apparatus, and a processing device.
Background
With the development of information technology, there is a need for data flow between a plurality of units, but data utilization and circulation are not smooth due to confidentiality of data. For example, a certain data resource established by an upper unit has a very high security requirement, and if a lower unit has a reasonable service requirement for the data resource, the upper unit can only synchronize a small amount of information to the lower unit for a certain data or for a certain service, and cannot effectively transfer and use the data resource, nor update the state of the synchronized information.
Currently, the above data resources are only selected in service application: or for the data confidentiality, the data is not used by a lower unit, and only the unit carries out service application; or the data is copied to other units for business application in order to abandon the security principle for the data application. And both options can not meet the requirements of data preservation and data update control.
Aiming at the problem that data cannot be utilized and transferred on the premise of data confidentiality in the prior art, an effective solution is not provided at present.
Disclosure of Invention
In view of the above, the present invention provides a data transmission method, a data transmission device, and a data processing device, which can transfer and utilize data on the premise of satisfying the security requirement.
In a first aspect, an embodiment of the present invention provides a data transmission method, including: sending a feature library to a comparison terminal, wherein the feature library comprises first feature information corresponding to a plurality of original data, and the first feature information corresponding to each original data is information generated by the original data through a preset feature extraction algorithm; receiving an acquisition result sent by the comparison terminal, wherein the acquisition result comprises an identifier of first characteristic information matched with the acquired data acquired by the comparison terminal, and determining target original data according to the identifier; and sending the target original data to the comparison terminal.
Further, the acquisition result further comprises the acquisition data; after the step of sending the raw data to the comparison terminal, the method further comprises: receiving judgment result information fed back by the comparison terminal, wherein the judgment result information is used for indicating whether the target original data and the acquired data are consistent or not; and storing the acquired data and the judgment result information.
Further, the method further comprises: determining the first feature information of the original data through a preset feature extraction algorithm; and storing the first characteristic information, the corresponding relation information of the first characteristic information and the original data into a characteristic information database.
Further, the step of sending the feature library to the comparison terminal includes: determining an authorization comparison terminal corresponding to the original data according to the received authorization control instruction or a preset authorization rule; and sending the feature library to the authorization comparison terminal.
Further, the method further comprises: determining an access upper limit of the comparison terminal according to a received access control instruction or a preset access rule; and when the access upper limit is exceeded, refusing to receive the acquisition result fed back by the comparison terminal, refusing to determine the target original data according to the identification or refusing to send the target original data to the comparison terminal.
Further, the original data is portrait data, and the acquisition result further comprises snapshot time information, snapshot place information and a snapshot image.
In a second aspect, an embodiment of the present invention provides a data transmission method, including: acquiring a feature library, wherein the feature library comprises first feature information corresponding to a plurality of original data, and the first feature information corresponding to each original data is information generated by the original data through a preset feature extraction algorithm; acquiring collected data, and determining second characteristic information of the collected data through the preset characteristic extraction algorithm; comparing the second characteristic information with the first characteristic information in the characteristic library; if the second characteristic information is matched with at least one piece of first characteristic information in the characteristic library, feeding back an acquisition result to the distribution terminal, wherein the acquisition result comprises an identifier of the first characteristic information matched with the second characteristic information; and receiving the target original data which is sent by the distribution end and corresponds to the identification.
Further, the method further comprises: and receiving the feature library sent by the distribution terminal.
Further, the method further comprises: judging whether the target original data is consistent with the acquired data or not, and obtaining judgment result information; and if the two types of information are consistent, sending the judgment result information to the distribution end.
Further, the original data is portrait data; the acquisition result further comprises snapshot time information, snapshot place information and a snapshot image.
In a third aspect, an embodiment of the present invention provides a data transmission apparatus, including: the characteristic information sending module is used for sending a characteristic library to a comparison terminal, wherein the characteristic library comprises first characteristic information corresponding to a plurality of original data, and the first characteristic information corresponding to each original data is information generated by the original data through a preset characteristic extraction algorithm; the receiving module is used for receiving an acquisition result sent by the comparison terminal, wherein the acquisition result comprises an identifier of first characteristic information matched with the acquisition data acquired by the comparison terminal; the determining module is used for determining target original data according to the identification in the acquisition result received by the receiving module; and the original data sending module is used for sending the target original data to the comparison terminal.
In a fourth aspect, an embodiment of the present invention provides a data transmission apparatus, including: the characteristic information acquisition module is used for acquiring a characteristic library, wherein the characteristic library comprises first characteristic information corresponding to a plurality of original data, and the first characteristic information corresponding to each original data is information generated by the original data through a preset characteristic extraction algorithm; the acquisition module of the collected data is used for acquiring the collected data and determining second characteristic information of the collected data through the preset characteristic extraction algorithm; the comparison module is used for comparing the second characteristic information with the first characteristic information in the characteristic library; the feedback module is used for matching the second characteristic information with at least one piece of first characteristic information in the characteristic library and feeding back an acquisition result to the distribution terminal, wherein the acquisition result comprises an identifier of the first characteristic information matched with the second characteristic information; and the receiving module is used for receiving the target original data which is sent by the distributing end and corresponds to the identifier.
In a fifth aspect, an embodiment of the present invention provides a processing device for data transmission, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the steps of the method according to any one of the first and second aspects when executing the computer program.
In a sixth aspect, an embodiment of the present invention provides a computer-readable medium having non-volatile program code executable by a processor, where the program code causes the processor to perform the steps of the method according to any one of the first and second aspects.
The embodiment of the invention provides a data transmission method, a data transmission device and processing equipment, wherein first characteristic information corresponding to original data is sent to a comparison terminal, the first characteristic information is information generated by the original data through a preset characteristic extraction algorithm, the original data is not directly sent to the comparison terminal, and the principle of keeping the original data secret is not violated; the comparison terminal performs matching operation by using the first characteristic information and feeds back an acquisition result, wherein the acquisition result comprises an identifier of the first characteristic information matched with the acquisition data acquired by the comparison terminal; when receiving the fed back acquisition result, sending the original data corresponding to the identifier to a comparison terminal for data sharing; therefore, the principle of data confidentiality is not violated, the requirement of data comparison business of the comparison terminal is met, and data can be circulated and utilized on the premise of meeting the confidentiality requirement.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
In order to make the aforementioned objects, features and advantages of the present disclosure more 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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a processing apparatus according to an embodiment of the present invention;
fig. 2 is a flowchart of a data transmission method according to an embodiment of the present invention;
fig. 3 is a flowchart of another data transmission method according to an embodiment of the present invention;
FIG. 4 is a system architecture diagram of a data distribution platform provided by an embodiment of the present invention;
FIG. 5 is a schematic diagram of data flow provided by an embodiment of the present invention;
fig. 6 is a block diagram of a data transmission apparatus according to an embodiment of the present invention;
fig. 7 is a block diagram of another data transmission apparatus according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, not all, embodiments of the present invention.
In view of the problem that the prior art cannot satisfy the requirement of a user for data security and enable data to be utilized and transferred, in order to improve the problem, embodiments of the present invention provide a data transmission method, a data transmission device, and a data transmission processing device, which are described in detail below.
The first embodiment is as follows:
first, a processing device 100 for implementing embodiments of the present invention, which may be used to execute methods of embodiments of the present invention, is described with reference to fig. 1.
As shown in FIG. 1, processing device 100 includes one or more processors 102, one or more memories 104, input devices 106, output devices 108, and a data collector 110, which are interconnected via a bus system 112 and/or other form of connection mechanism (not shown). It should be noted that the components and configuration of the processing device 100 shown in FIG. 1 are exemplary only, and not limiting, and that the processing device may have other components and configurations as desired.
The processor 102 may be implemented in at least one hardware form of a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), a Programmable Logic Array (PLA), and an asic (application Specific integrated circuit), the processor 102 may be a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), or other form of processing unit having data processing capability and/or instruction execution capability, and may control other components in the processing device 100 to perform desired functions.
The memory 104 may include one or more computer program products that may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, Random Access Memory (RAM), cache memory (cache), and/or the like. The non-volatile memory may include, for example, Read Only Memory (ROM), hard disk, flash memory, etc. On which one or more computer program instructions may be stored that may be executed by processor 102 to implement client-side functionality (implemented by the processor) and/or other desired functionality in embodiments of the invention described below. Various applications and various data, such as various data used and/or generated by the applications, may also be stored in the computer-readable storage medium.
The input device 106 may be a device used by a user to input instructions and may include one or more of a keyboard, a mouse, a microphone, a touch screen, and the like.
The output device 108 may output various information (e.g., images or sounds) to the outside (e.g., a user), and may include one or more of a display, a speaker, and the like.
The data collector 110 is configured to collect data, where the data collected by the data collector is original data of a current target, or first characteristic information corresponding to the original data,
for example, a data collector may collect raw data that the data collector may then also store in the memory 104 for use by other components.
Exemplarily, a processing device for implementing the data transmission method according to the embodiment of the present invention may be implemented as a smart terminal such as a smart phone, a tablet computer, a computer, or the like.
Example two:
referring to a flowchart of a data transmission method shown in fig. 2, the method may be executed by the processing device provided in the foregoing embodiment, and specifically includes the following steps:
step S202, the feature library is sent to a comparison terminal. The feature library comprises a plurality of pieces of first feature information corresponding to original data, wherein the first feature information corresponding to each piece of original data is information generated by the original data through a preset feature extraction algorithm.
The original data is subjected to feature extraction through the feature extraction algorithm to obtain corresponding first feature information, and the original data cannot be reversely obtained through the first feature information, so that the first feature information is sent to other units or equipment, and the risk of data leakage does not exist. The feature extraction algorithm can meet the encryption requirement and the requirement of comparing the terminal for service utilization, which is not limited in this embodiment. For example, the device in the upper unit saves the original data, and performs the feature information extraction on the original data; the feature information is utilized for service utilization at the device of the lower level unit. The raw data may be, for example, a portrait, or a combination of a portrait and identity information data (e.g., occupation, native place, gender, age, height, hairstyle, whether glasses are worn, etc.). The original data may also be a vehicle image, or a combination of the vehicle image and vehicle information data (such as vehicle type, color, license plate number, etc.), etc.
After the first feature information is extracted, the first feature information is stored in a feature library, the feature library is sent to a comparison terminal, the comparison terminal performs service utilization, and the comparison terminal can be arranged at each lower-level unit. The comparison terminal can collect various types of data and compare the collected data with the first characteristic information. It can be understood that, after feature information extraction is performed on the acquired data through the preset feature extraction algorithm, the feature information of the acquired data of the comparison terminal is compared with the first feature information to obtain the acquired data matched with the first feature information.
In consideration of the needs of data backflow and data updating, after the comparison terminal obtains the matched acquired data by using the first characteristic information, the comparison terminal can feed back the acquired data to finish backflow preservation of the data, for example, the equipment of a superior unit can determine whether to store the acquired data according to actual needs and rules. Meanwhile, the collected data can also be used as a basis for checking whether the collected result is real and effective, and the subsequent steps of determining and sending the original data can be carried out only under the condition that the collected data is real and effective, so that the comparison of the terminal to maliciously obtain the original data is avoided. When the collected data is fed back, the collected result may also include an identifier of the first feature information that is successfully matched with the terminal, for example, the identifier of the first feature information is fed back to the device of the higher-level unit, so that the device of the higher-level unit may issue corresponding original data in subsequent steps. The identification may be an ID of the feature information or other marking that can distinguish the respective different first feature information.
And step S204, receiving the acquisition result sent by the comparison terminal, and determining target original data according to the identification in the acquisition result. The acquisition result comprises an identifier of the first characteristic information matched with the acquired data acquired by the comparison terminal.
When the acquisition result is received, the target original data is determined according to the identifier of the first characteristic information, and then the target original data is sent to the comparison terminal. Based on the identifier of the first feature information, the search may be performed by pre-storing a corresponding relationship between the first feature information and the original data, for example: (1) determining first characteristic information of original data through a preset characteristic extraction algorithm; (2) and storing the first characteristic information, the corresponding relation information of the first characteristic information and the original data into a characteristic information database.
After receiving the first characteristic information, searching the identification of the first characteristic information in the acquisition result in the characteristic information database, and determining the original data corresponding to the identification of the first characteristic information.
And step S206, sending the target original data to a comparison terminal.
According to the data transmission method provided by the embodiment of the invention, the first characteristic information corresponding to the original data is sent to the comparison terminal, the first characteristic information is generated by the original data through a preset characteristic extraction algorithm, the original data is not directly sent to the comparison terminal, and the principle of keeping the original data secret is not violated; the comparison terminal performs matching operation by using the first characteristic information and feeds back an acquisition result, wherein the acquisition result comprises an identifier of the first characteristic information matched with the acquisition data acquired by the comparison terminal; when receiving the fed back acquisition result, sending the original data corresponding to the identification to a comparison terminal for data sharing; therefore, the principle of data confidentiality is not violated, the requirement of data comparison business of the comparison terminal is met, and data can be circulated and utilized on the premise of meeting the confidentiality requirement.
In addition, in the case that the acquisition result includes the acquired data, according to the data transmission method provided in this embodiment, when the processing device receives the acquisition result fed back by the comparison terminal, the processing device may compare the acquired data included in the acquisition result again, and the comparison performed by the comparison terminal use the same comparison algorithm to verify whether the acquired data is indeed matched with the first feature information included in the acquisition result. And only when the matching result obtained by the comparison of the processing equipment is the same as the first characteristic information in the acquisition result, determining that the comparison terminal feeds back a correct acquisition result, wherein the requirement on the original data is correct, and at the moment, the processing equipment issues the original data corresponding to the first characteristic information to the comparison terminal for data circulation.
After the processing device sends the target original data to the comparison terminal, the processing device may further receive a judgment result fed back by the comparison terminal, where the judgment result is a result of whether the collected data is the same as or matched with the original data, and the method further includes the following steps:
(1) and receiving and comparing judgment result information fed back by the terminal. The judgment result information is used for indicating whether the target original data is consistent with the acquired data. After the comparison terminal receives the target original data, the business application can be carried out, the comparison result of the target original data and the collected data is obtained, and the comparison result is fed back to the processing equipment.
(2) And storing the acquired data and the judgment result information.
The collected data and the judgment result information may be stored in a database where the original data is located, for example, the collected data may be added to a storage location where the corresponding target original data is located, and the collected data may also be stored, and a corresponding relationship between the collected data and the target original data may be stored. The processing equipment stores the acquired data and the judgment result information, and can master the latest data change, thereby achieving the purpose of data backflow and fresh keeping.
In order to further enhance the security of the data, different authorization authorities can be respectively set for various types of original data to authorize to different comparison terminals, and the step of sending the feature library to the comparison terminals includes: determining an authorization comparison terminal corresponding to the original data according to the received authorization control instruction or a preset authorization rule; and sending the feature library to an authorization comparison terminal.
In order to avoid the user from stealing and copying the original data through the comparison terminals, an access upper limit can be set for each comparison terminal, and the access upper limit can be the number of accesses within a fixed time length, namely the number of times of sending the original data is required. The above method may further comprise the steps of:
(1) and determining an access upper limit of the comparison terminal according to the received access control instruction or a preset access rule.
(2) And when the access upper limit is exceeded, refusing to receive the acquisition result fed back by the comparison terminal, refusing to determine the target original data according to the identification in the acquisition result or refusing to send the target original data to the comparison terminal. By refusing the action, the original data can be prevented from being sent to the comparison terminal by continuously accepting the request when the access upper limit is exceeded.
Referring to a flowchart of a data transmission method shown in fig. 3, the method is applicable to the comparison terminal, and the method specifically includes the following steps:
step S302, a feature library is obtained. The feature library comprises first feature information corresponding to a plurality of original data, and the first feature information is information generated by the original data through a preset feature extraction algorithm. The comparison terminal may receive the feature library sent by the distribution terminal through a network connection, or may copy the feature library through another manner, for example, a mobile storage device, which is not limited in this embodiment.
Step S304, acquiring the acquired data, and determining second characteristic information of the acquired data through the preset characteristic extraction algorithm. The comparison terminal determines second characteristic information of the acquired data and uses a characteristic extraction algorithm which is the same as that for extracting the first characteristic information so as to ensure the comparability of the two.
Step S306, comparing the second characteristic information with the first characteristic information in the characteristic library;
step S308, if the second characteristic information is matched with at least one first characteristic information in the characteristic library, feeding back the acquisition result to the distribution terminal. The acquisition result comprises an identification of the first characteristic information matched with the second characteristic information. The acquisition result may also include acquisition data. And step S310, receiving the target original data which is sent by the distributing end and corresponds to the identification in the acquisition result. And comparing the target original data sent by the terminal receiving and transmitting end, and performing service utilization.
In another embodiment, if the comparison result in step 306 indicates that there is no first feature information in the feature library matching with the second feature information, the method ends or continues to compare the second feature information with features in another feature library.
The data transmission method provided by the embodiment of the invention can feed back the acquisition result to the distribution terminal and receive the target original data corresponding to the characteristic information sent by the distribution terminal under the condition that the characteristic information of the original data is matched with the characteristic information of the acquired data, and the characteristic information of the original data is stored at the comparison terminal, so that the confidentiality requirement of the original data is met, the characteristic information of the original data can be used for carrying out service development, the acquisition result is fed back to the distribution terminal when the original data is needed, and the original data is received, so that the circulation and the utilization of the original data are carried out.
After the comparing terminal receives the original data sent by the transmitting terminal, the consistency judgment can be carried out by using the original data to obtain the judgment result, and the method also comprises the following steps:
(1) and judging whether the original data corresponding to the identifier is consistent with the acquired data or not, and obtaining judgment result information. And if the similarity between the original data and the acquired data exceeds a preset similarity threshold, or the similarity score between the original data and the acquired data exceeds a preset threshold, the original data is consistent with the acquired data.
The comparison terminal can adopt various methods existing or appearing in the future to judge whether the original data is consistent with the acquired data. For example, if the raw data and the collected data are images, the determination may be performed by using a histogram method, an image template matching method, a perceptual hash algorithm, a neural network, or the like. Or, the comparison terminal may also display the raw data and the collected data on a screen to prompt the user to determine whether the raw data and the collected data are consistent, and then the comparison terminal may determine whether the raw data and the collected data are consistent according to information input by the user through the input device. (2) And if the two are consistent, sending the judgment result information to the distribution terminal. And under the condition that the comparison terminal judges that the original data is consistent with the acquired data, the judgment result information can be fed back to the distribution terminal and the distribution terminal carries out discrimination and storage. Optionally, the distribution end may update the original data with the collected data, so that the distribution end can master the latest data change, thereby achieving the purpose of data backflow and fresh-keeping.
For example, the original data may be image data, the comparison terminal may acquire snapshot information, the acquisition result may include snapshot time information, snapshot location information, and a snapshot image, and the determination result information may be identity confirmation information. The following description will take an example of a human database focusing on a group. The key attention group human database is established and stored by a superior unit, and the inferior unit has a requirement for carrying out service development by using the key attention group human database.
The method comprises the steps of analyzing and extracting face characteristic value information of key attention personnel and constructing a special face characteristic value database through a special face characteristic extraction algorithm in a key attention group human database existing in a superior unit (such as a department or a province and living room unit), and distributing the characteristic value information to a subordinate unit. Because the portrait characteristic value information is encrypted, calculated and extracted by a special portrait characteristic algorithm, even if the portrait characteristic value is issued to a lower-level unit, the risk of data leakage does not exist.
The portrait characteristic value data is only used for comparison of all lower-level units, after receiving the portrait characteristic value data, all units can arrange control and compare statically in real time according to different scenes and tactics, after warning in comparison, photos and information of related personnel are indexed through the base characteristic value, and meanwhile, comparison results are fed back in real time to complete data backflow and preservation. The requirement for developing services is met to a considerable extent. A data distribution system and a data receiving system are respectively built at two ends of a superior unit and an inferior unit with data flow application, and the two systems are communicated through a network.
The data distribution system extracts and stores the portrait characteristic values of the human database of the key attention group, and manages the access and data authorization of the data receiving system. And the data receiving system synchronizes the portrait characteristic value database from the data distribution system, completes the storage and the synchronous updating of data increment, and synchronizes the data to the portrait service system for analysis and application. In the portrait service system, the accessed camera is used for capturing the portrait, the characteristic value is extracted by a special portrait characteristic algorithm and is compared with the synchronous portrait characteristic value, the captured image, the capturing time and the position of the camera are transmitted back to a superior unit after comparison, and the photo and the information of the person in the comparison are obtained from the superior unit for service research and judgment.
Referring to FIG. 4, a system architecture diagram of a data distribution platform is shown, wherein the logical architecture is shown divided into three layers: the system comprises a data access layer, a data processing layer and a data management layer.
The data access layer comprises a data access component, a data monitoring component, a flow control and configuration module and the like. The layer is designed for the data synchronous access configuration, port monitoring and the like of the data distributor and the data terminal, and comprises a network configuration module, data access and data output protocol adaptation and the like. The data processing layer is designed into main modules of data storage, data feature extraction, data encryption, data information feedback, data full synchronization, data increment synchronization, data version marking, data auditing and recording and the like, and is a core layer of the data distribution system. The data management layer is designed into main modules of users, authority distribution, data maintenance, library distribution, resource distribution and the like of data, mainly provides management and monitoring information display for clients, and can manage according to the service subdivision and the terminal state.
Referring to a data flow diagram shown in fig. 5, a data flow diagram showing a central office distribution machine, a provincial hall distribution system, a city office terminal and a business system, and a secure data using method for generating and sending a feature value encrypted by a portrait data through an algorithm, and sending the corresponding portrait data again after the business system applies a specific gravity is shown. The method can carry out incomplete data sharing among the upper and lower level units, does not violate the principle of data confidentiality of users, meets the requirements of the upper level units on mastering the flow tracks of personnel and data preservation, and solves the problems that the lower level units have no available data or the data cannot be updated in real time. The above method may comprise the steps of:
and S502, encrypting the portrait data through an algorithm, and extracting the portrait characteristics.
The superior unit has the full amount of portrait data, in order to ensure the safety of the data and utilize and circulate the data, the portrait data firstly enters the service system of the local level for feature extraction, and the feature value of the portrait data is extracted through the algorithm of the service system and is issued to the inferior unit for service application after authorization.
And step S504, sending the portrait characteristics.
Because the characteristic value is encrypted by the algorithm, the characteristic value only has the characteristic data of the portrait, and can only be analyzed and applied in a service system, and the portrait image data cannot be directly obtained.
Step S506, the time, the place and the snapshot in the comparison are returned.
Because the issued characteristic value has no image data, the lower level unit analyzes and applies and generates an alarm event, and then uploads the alarm time, place and snapshot picture to the upper level unit through the data channel.
Step S508, send the portrait photo and the archive information.
The superior unit sends the corresponding portrait data to the business system of the inferior unit according to the characteristic value of the alarm generated by the superior unit, and at the moment, the inferior unit completely owns the portrait data, so that the business judgment and the business processing are carried out.
Step S510, returning the identity confirmation information.
Meanwhile, the lower unit returns the result of judging and processing by using the portrait data, namely the result of whether the identity is confirmed to the upper unit. At the moment, the superior unit grasps the track state of the personnel with the identity, thereby achieving the service appeal of data transfer and freshness preservation.
Although the upper unit issues the characteristic value of the full amount of portrait data, the lower unit cannot browse the actual portrait data content, can only deploy the application through the service, and requests the portrait data according to the result generated by deploying the application each time. The superior unit can respectively authorize each inferior unit aiming at each portrait data feature database, control the flow direction of data, determine the portrait feature database required by each inferior unit according to the business developed by each inferior unit, and carry out targeted authorization. Meanwhile, a daily access upper limit can be set for each lower unit, namely the number of times of requesting original portrait data every day, and data stealing and copying of the lower units can be avoided.
Through the data application mode, the human database of the upper-level unit can be utilized and circulated, and the lower-level unit can also utilize the portrait data feature database to carry out business, so that the requirement of data confidentiality is met, and safe data issuing application and backflow preservation are realized.
Example three:
as to the data transmission method provided in the second embodiment, an embodiment of the present invention provides a data transmission device, where the data transmission device corresponds to the forwarding end in the foregoing embodiment, and refer to a structural block diagram of a data transmission device shown in fig. 6, where the structural block diagram includes:
a feature information sending module 602, configured to send a feature library to the comparison terminal, where the feature library includes first feature information corresponding to a plurality of original data, and the first feature information corresponding to each original data is information generated by the original data through a preset feature extraction algorithm;
a receiving module 604, configured to receive an acquisition result sent by the comparison terminal, where the acquisition result includes an identifier of the first feature information that matches the acquisition data acquired by the comparison terminal;
a determining module 606, configured to determine target original data according to the identifier in the acquisition result received by the receiving module;
and an original data sending module 608, configured to send the target original data to the comparison terminal.
The data transmission device provided by the embodiment of the invention sends the first characteristic information corresponding to the original data to the comparison terminal, wherein the first characteristic information is generated by the original data through a preset characteristic extraction algorithm, and the original data is not directly sent to the comparison terminal without violating the principle of keeping the original data secret; the comparison terminal performs matching operation by using the first characteristic information and feeds back an acquisition result, wherein the acquisition result comprises an identifier of the first characteristic information matched with the acquisition data acquired by the comparison terminal; when receiving the fed back acquisition result, sending the original data corresponding to the identification to a comparison terminal for data sharing; therefore, the principle of data confidentiality is not violated, the requirement of data comparison business of the comparison terminal is met, and data can be circulated and utilized on the premise of meeting the confidentiality requirement.
In one embodiment, the acquisition result further includes the acquisition data, and the apparatus further includes: the result receiving module is used for receiving and comparing judgment result information fed back by the terminal; judging result information is used for indicating whether the target original data is consistent with the acquired data; and the storage module is used for storing the acquired data and the judgment result information.
In another embodiment, the above apparatus further comprises: the characteristic information determining module is used for determining first characteristic information of the original data through a preset characteristic extraction algorithm; and the characteristic information storage module is used for storing the first characteristic information, the corresponding relation information of the first characteristic information and the original data into a characteristic information database.
In one embodiment, the feature information sending module includes: the authorization unit is used for determining an authorization comparison terminal corresponding to the original data according to the received authorization control instruction or a preset authorization rule; and the sending unit is used for sending the feature library to the authorization comparison terminal.
In another embodiment, the above apparatus further comprises: the access upper limit setting module is used for determining the access upper limit of the comparison terminal according to the received access control instruction or a preset access rule; and the limiting module is used for refusing to receive the acquisition result fed back by the comparison terminal, refusing to determine the target original data according to the identifier or refusing to send the target original data to the comparison terminal when the access upper limit is exceeded.
The original data can be portrait data, and the acquisition result can also comprise snapshot time information, snapshot place information and snapshot images. The judgment result information may be identity confirmation information.
As to the data transmission method provided in the second embodiment, an embodiment of the present invention further provides a data transmission device, where the data transmission device corresponds to the comparison terminal in the foregoing embodiment, and refer to a structural block diagram of a data transmission device shown in fig. 7, where the structural block diagram includes:
a feature information obtaining module 702, configured to obtain a feature library, where the feature library includes first feature information corresponding to multiple pieces of original data, and the first feature information corresponding to each piece of original data is information generated by the original data through a preset feature extraction algorithm;
the acquired data acquisition module 704 is used for acquiring acquired data and determining second characteristic information of the acquired data through a preset characteristic extraction algorithm;
a comparison module 706, configured to compare the second feature information with the first feature information in the feature library;
a feedback module 708, configured to match the second feature information with at least one piece of first feature information in the feature library, and feed back an acquisition result to the distribution terminal, where the acquisition result includes an identifier of the first feature information that matches the second feature information;
and the receiving module 710 is configured to receive the target raw data corresponding to the identifier sent by the distributor.
In one embodiment, the above apparatus further comprises: and the characteristic information receiving module is used for receiving the characteristic library sent by the distribution end.
In one embodiment, the above apparatus further comprises: the judging module is used for judging whether the target original data is consistent with the acquired data or not and obtaining judging result information; and the judgment result sending module is used for sending the judgment result information to the distribution terminal if the judgment result information is consistent with the judgment result information.
The original data can be portrait data, and the acquisition result can also comprise snapshot time information, snapshot place information and snapshot images. The judgment result information may be identity confirmation information.
The device provided by the embodiment has the same implementation principle and technical effect as the foregoing embodiment, and for the sake of brief description, reference may be made to the corresponding contents in the foregoing method embodiment for the portion of the embodiment of the device that is not mentioned.
In addition, this embodiment provides a processing device for data transmission, where the device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and is characterized in that the processor implements the data transmission method provided in the second embodiment when executing the computer program.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the system described above may refer to the corresponding process in the foregoing embodiments, and is not described herein again.
Further, the present embodiment provides a computer-readable storage medium, on which a computer program is stored, and the computer program is executed by a processor to perform the steps of the method provided in the second embodiment.
The embodiment also provides a computer program, and the computer program can be stored on a storage medium in the cloud or the local. When being executed by a computer or a processor, for performing the respective steps of the method provided by the second embodiment above, and for implementing the respective modules in the distribution end or the comparison terminal according to the embodiments of the present invention.
The data transmission method, the data transmission device, and the computer program product of the processing device provided in the embodiments of the present invention include a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiments, and specific implementation may refer to the method embodiments, and will not be described herein again. The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (14)
1. A data transmission method is applied to a processing device and comprises the following steps:
sending a feature library to a comparison terminal, wherein the feature library comprises first feature information corresponding to a plurality of original data, and the first feature information corresponding to each original data is information generated by the original data through a preset feature extraction algorithm;
receiving an acquisition result sent by the comparison terminal, wherein the acquisition result comprises an identifier of first characteristic information matched with the acquired data acquired by the comparison terminal, and determining target original data according to the identifier;
and sending the target original data to the comparison terminal.
2. The method of claim 1, wherein the acquisition result further comprises the acquisition data; after the step of sending the raw data to the comparison terminal, the method further comprises:
receiving judgment result information fed back by the comparison terminal, wherein the judgment result information is used for indicating whether the target original data and the acquired data are consistent or not;
and storing the acquired data and the judgment result information.
3. The method according to claim 1 or 2, characterized in that the method further comprises:
determining the first feature information of the original data through a preset feature extraction algorithm;
and storing the first characteristic information, the corresponding relation information of the first characteristic information and the original data into a characteristic information database.
4. The method according to claim 1 or 2, wherein the step of sending the feature library to the comparison terminal comprises:
determining an authorization comparison terminal corresponding to the original data according to the received authorization control instruction or a preset authorization rule;
and sending the feature library to the authorization comparison terminal.
5. The method according to claim 1 or 2, characterized in that the method further comprises:
determining an access upper limit of the comparison terminal according to a received access control instruction or a preset access rule;
and when the access upper limit is exceeded, refusing to receive the acquisition result fed back by the comparison terminal, refusing to determine the target original data according to the identification or refusing to send the target original data to the comparison terminal.
6. The method of claim 1, wherein the raw data is portrait data, and the acquisition result further comprises snapshot time information, snapshot location information, and a snapshot image.
7. A data transmission method is applied to a comparison terminal and comprises the following steps:
acquiring a feature library, wherein the feature library comprises first feature information corresponding to a plurality of original data, and the first feature information corresponding to each original data is information generated by the original data through a preset feature extraction algorithm;
acquiring collected data, and determining second characteristic information of the collected data through the preset characteristic extraction algorithm;
comparing the second characteristic information with the first characteristic information in the characteristic library;
if the second characteristic information is matched with at least one piece of first characteristic information in the characteristic library, feeding back an acquisition result to the distribution terminal, wherein the acquisition result comprises an identifier of the first characteristic information matched with the second characteristic information;
and receiving the target original data which is sent by the distribution end and corresponds to the identification.
8. The method of claim 7, further comprising:
and receiving the feature library sent by the distribution terminal.
9. The method according to claim 7 or 8, characterized in that the method further comprises:
judging whether the target original data is consistent with the acquired data or not, and obtaining judgment result information;
and if the two types of information are consistent, sending the judgment result information to the distribution end.
10. The method of claim 7, wherein the raw data is portrait data, and the acquisition result further comprises snapshot time information, snapshot location information, and a snapshot image.
11. A data transmission apparatus, applied to a processing device, comprising:
the characteristic information sending module is used for sending a characteristic library to a comparison terminal, wherein the characteristic library comprises first characteristic information corresponding to a plurality of original data, and the first characteristic information corresponding to each original data is information generated by the original data through a preset characteristic extraction algorithm;
the receiving module is used for receiving an acquisition result sent by the comparison terminal, wherein the acquisition result comprises an identifier of first characteristic information matched with the acquisition data acquired by the comparison terminal;
the determining module is used for determining target original data according to the identification in the acquisition result received by the receiving module;
and the original data sending module is used for sending the target original data to the comparison terminal.
12. A data transmission apparatus, applied to a contrast terminal, comprising:
the characteristic information acquisition module is used for acquiring a characteristic library, wherein the characteristic library comprises first characteristic information corresponding to a plurality of original data, and the first characteristic information corresponding to each original data is information generated by the original data through a preset characteristic extraction algorithm;
the acquisition module of the collected data is used for acquiring the collected data and determining second characteristic information of the collected data through the preset characteristic extraction algorithm;
the comparison module is used for comparing the second characteristic information with the first characteristic information in the characteristic library;
the feedback module is used for matching the second characteristic information with at least one piece of first characteristic information in the characteristic library and feeding back an acquisition result to the distribution terminal, wherein the acquisition result comprises an identifier of the first characteristic information matched with the second characteristic information;
and the receiving module is used for receiving the target original data which is sent by the distributing end and corresponds to the identifier.
13. A processing device for data transmission, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1 to 10 when executing the computer program.
14. A computer-readable storage medium, having a computer program stored thereon, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 10.
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| CN109948430A (en) * | 2019-01-28 | 2019-06-28 | 北京旷视科技有限公司 | Characteristic sharing method, device, system, processing end and storage medium |
| CN110636016B (en) * | 2019-08-08 | 2023-09-29 | 西安万像电子科技有限公司 | Data transmission method and system |
| CN110866228A (en) * | 2019-10-17 | 2020-03-06 | 北京旷视科技有限公司 | Data information authority management method, device and system for data issue |
| CN111178162B (en) * | 2019-12-12 | 2023-11-07 | 北京迈格威科技有限公司 | Image recognition method, device, computer equipment and storage medium |
| CN111552507A (en) * | 2020-04-14 | 2020-08-18 | 西人马（厦门）科技有限公司 | Signal processing method, apparatus, device and medium |
| CN111582663B (en) * | 2020-04-20 | 2023-09-05 | 杭州市质量技术监督检测院 | NQI quality service method, platform, user terminal and readable storage medium |
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