CN113052092A - Quarantine clearance method based on alliance chain and system thereof - Google Patents
Quarantine clearance method based on alliance chain and system thereof Download PDFInfo
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Abstract
The invention provides a quarantine clearance method and a system thereof based on a alliance chain, wherein the method comprises the steps of establishing an identity database of local people in each county-level administrative district about iris characteristics and identity card information thereof, and storing the identity database in each clearance verification node; after the supervision nodes receive the health reports sent by the quarantine nodes, if all the supervision nodes agree with the health reports, the health reports are stored locally; each supervision node packs local health reports according to different county-level administrative districts at regular time, packs the packets of the county-level administrative districts into blocks and then enters a chain; after judging that the body temperature of the communication personnel is not abnormal, the customs clearance verification node extracts the iris characteristics of the communication personnel, acquires the household location of the communication personnel and determines the identity database of the communication personnel; matching the iris characteristics with the iris characteristics in the identity database to obtain identity card information, and accordingly obtaining the corresponding health report from the supervision node to determine the pass qualification. The invention can strengthen and improve the effectiveness and the accuracy of the passage inspection in public places in a non-contact and more powerful supervision mode.
Description
Technical Field
The invention relates to the field of disease prevention and control, in particular to a quarantine clearance method and a quarantine clearance system based on a alliance chain.
Background
At present, a measure for passing prevention and control in public places is that temperature guns are held by workers, and temperature detection and health code checking are carried out on entering personnel one by one. However, the effectiveness of this checking method is greatly affected by the expertise, the degree of care and the accuracy of the thermometer of the operator, and even more, the direct theft of the health codes of other people can be confused.
Therefore, it is necessary to enhance and improve the validity and accuracy of public passage inspection, so as to improve the validity of temperature measurement and health codes.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the quarantine clearance method and the quarantine clearance system based on the alliance chain are provided to strengthen and perfect the effectiveness and accuracy of public place passing inspection, and further improve the epidemic prevention control level.
In order to solve the technical problems, the invention adopts the technical scheme that:
a quarantine clearance method based on a alliance chain comprises the following steps:
s1: creating an identity database of local people in each county-level administrative district about iris features and identity card information of the local people, and storing the identity database to each customs verification node in a alliance chain network;
s2: an epidemic prevention node in the network sends a health report corresponding to the identity card information to a supervision node;
s3: each supervision node verifies the health report and stores the health report to the local after reaching consensus;
s4: each supervision node packs the locally stored health reports according to different county administrative districts respectively according to the identity card information corresponding to the health reports at regular time, packs the packs corresponding to the county administrative districts into blocks and then enters the chain;
s5: any customs verification node acquires body temperature data of a person and judges whether the body temperature data is abnormal or not; if yes, alarming; if not, go to S6;
s6: the customs clearance verification node acquires an iris image of the person and extracts iris features of the person according to the iris image;
s7: acquiring a household location of the person input by voice, determining a corresponding county administrative district according to the household location, and matching the iris characteristic of the person with the iris characteristic in an identity database of the county administrative district to acquire the identity card information of the person;
s8: the customs clearance verification node initiates a health report acquisition request of the person to any supervision node according to the identity card information of the person;
s9: the supervision node receiving the request acquires the latest block from the chain, acquires a packet corresponding to a county administrative district according to the identity card information of the person, acquires a health report of the person from the packet, and returns the health report to the customs clearance verification node;
s10: and the clearance verification node determines the passing qualification of the person according to the received health report.
Preferably, the step S8 specifically includes:
s71: the customs clearance verification node matches the iris characteristics of the person with the iris characteristics in an identity database corresponding to the current county-level administrative district; if the matching is successful, executing S72; if the matching fails, go to S73;
s72: acquiring the identity card information of the person according to the identity database, and executing S8;
s73: acquiring a household location of the person input by voice, determining a corresponding county administrative district according to the household location, and acquiring an identity database of the county administrative district;
s74: and matching the iris characteristics of the person with the iris characteristics in the acquired identity database to acquire the identity card information of the person, and executing S8.
Preferably, if yes, the alarming in the step S5 specifically includes:
if so, acquiring the body temperature data of the person again, and if the body temperature data acquired again is still abnormal, alarming; and if the temperature data acquired again is normal, acquiring the temperature data of the person for the third time, if the temperature data is normal, executing S6, and if the temperature data is abnormal, giving an alarm.
Preferably, before, further comprising:
s21: the epidemic prevention node generates a corresponding health report according to the received epidemic prevention data;
wherein the epidemic prevention data comprises health information and nucleic acid and antibody detection information provided by a medical institution, and real-time whereabouts data provided by a communication institution; the health report comprises current health status, whereabouts risk level and nucleic acid and antibody detection information; wherein the current health status includes whether the patient is a confirmed or suspected patient, whether the patient is a close contact person, and whether the patient has a recent doctor-seeing fever clinic.
Preferably, the extracting the iris feature of the person according to the iris image in the step S6 includes:
s61: performing iris segmentation on the iris image through a full convolution segmentation network, and extracting an iris texture region which is not interfered by noise in the iris image;
s62: and extracting corresponding iris features according to the iris texture region.
Preferably, the customs clearance verification node in the alliance chain network corresponds to customs clearance equipment arranged in public places in each county; the regulatory node corresponds to a trusted government agency or a third party regulatory agency.
Preferably, the S3 specifically includes:
s31: after receiving the health report sent by the epidemic prevention node, the supervision node serving as the leader node verifies the epidemic prevention node, and if the verification is passed, the supervision node broadcasts the health report;
s32: the other supervision nodes verify the received health report, and if the verification is passed, the verification result is broadcasted;
s33: and each monitoring node counts the received verification result, if the verification result of the monitoring node exceeding the preset proportion is that the verification is passed, the health report is judged to be in consensus, and the health report is stored locally.
The invention provides another technical scheme as follows:
the quarantine clearance system based on the alliance chain comprises an alliance chain network, a clearance verification node, a quarantine node and a supervision node serving as a preselected node, wherein the clearance verification node and the quarantine node are arranged in the alliance chain network;
the customs clearance verification node is used for storing an identity database, and the identity database records iris features and identity card information of local people in each county; acquiring body temperature data of a person, and judging whether the body temperature data is abnormal or not; if yes, alarming; if not, acquiring an iris image of the person, and extracting the iris feature of the person according to the iris image; acquiring a household location of the person input by voice, determining a corresponding county-level administrative district according to the household location, and acquiring an identity database of the county-level administrative district; matching the iris characteristics of the person with the iris characteristics in the identity database of the level administrative area to acquire the identity card information of the person; initiating a health report acquisition request of the person to any supervision node according to the identity card information of the person; and determining a pass qualification of the person based on the received health report;
the quarantine node is used for receiving epidemic prevention data corresponding to the identity card information and generating a corresponding health report; and sending the health report to a supervisory node in a federation chain network;
the supervision node is used for verifying the health report and storing the health report to the local after consensus is achieved; the locally stored health reports are respectively packaged according to different county administrative districts according to the identity card information corresponding to the health reports at regular time, and then the packages corresponding to the county administrative districts are packaged into blocks and then are linked; (ii) a And acquiring the latest block from the chain after receiving the request, acquiring a packet corresponding to the county-level administrative district according to the identity card information of the person, acquiring a health report of the person from the packet, and returning the health report to the customs clearance verification node.
Preferably, the customs clearance verification node is specifically configured to match the iris feature of the person with an iris feature in an identity database corresponding to a current county-level administrative district where the person is located; if the matching is successful, acquiring the identity card information of the person according to the identity database; if the matching fails, acquiring the household location of the person input by voice, determining a corresponding county administrative district according to the household location, and acquiring an identity database of the county administrative district; matching the iris characteristics of the person with the iris characteristics in the acquired identity database to acquire the identity card information of the person;
the customs clearance verification node acquires body temperature data of a user through an in-ear electronic thermometer or an infrared thermometer provided with an infrared filter for measuring body temperature;
the customs clearance verification node corresponds to customs clearance equipment arranged in public places of each county; the regulatory node corresponds to a trusted government agency or a third party regulatory agency.
Preferably, the epidemic prevention data comprises health information and nucleic acid, antibody detection information provided by a medical institution, and real-time whereabouts data provided by a communication institution; the health report comprises current health status, whereabouts risk level and nucleic acid and antibody detection information; wherein the current health status comprises whether the patient is a confirmed or suspected patient, whether the patient is a close contact person and whether the patient has a recent doctor-seeing fever clinic;
when the quarantine node is used for sending the health report to a supervision node in the alliance chain network, specifically sending the health report to the supervision node which is selected as a leader node in the alliance chain network at this time;
the monitoring node is configured to verify the health report, and when storing the health report to a local after reaching a consensus, the monitoring node specifically includes:
after receiving the health report sent by the epidemic prevention node, the supervision node serving as the leader node verifies the epidemic prevention node, and if the verification is passed, the supervision node broadcasts the health report; the other supervision nodes verify the received health report, and if the verification is passed, the verification result is broadcasted; and each monitoring node counts the received verification result, if the verification result of the monitoring node exceeding the preset proportion is that the verification is passed, the health report is judged to be in consensus, and the health report is stored locally.
The invention has the beneficial effects that: firstly, the identity of a user to be passed is confirmed by using an iris identification means with non-contact, unique, stable and living characteristics, and compared with the mode of confirming the identity of the user by using health code information displayed by a mobile phone in the existing epidemic prevention passing inspection, the accuracy and reliability of identity identification can be obviously improved, and the possibility of passing by using other health code information is eliminated; meanwhile, the anti-epidemic requirement can be better met, and the identity recognition can be completed under the conditions of non-contact and no-dropping mask. Secondly, the customs clearance quarantine of the application also combines the alliance chain technology. The validity of the health report is guaranteed by nodularizing the institutions and departments involved in the process of epidemic prevention and customs inspection and making the affairs clear, particularly by taking a plurality of trusted epidemic prevention departments as supervision nodes; and then the verification of the user's pass qualification is realized through node interaction. Therefore, the health report can be effectively prevented from being intentionally tampered by anyone, and the pass inspection can be efficiently completed. The quarantine passing scheme of the application adopts the iris recognition identity to combine with the alliance chain technology, can strengthen and perfect the validity and accuracy of the passing inspection of public places, and improves the epidemic prevention control level.
Drawings
FIG. 1 is a flow chart of a quarantine clearance method based on a federation chain according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a framework of a quarantine clearance system based on a federation chain according to an embodiment of the present invention.
Description of reference numerals:
A. a customs pass verification node; B. quarantine nodes; C. a supervisory node; D. a passage gate.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
For a better understanding, some of the names to which the present invention relates are explained below.
Iris recognition, which is one of the most stable and reliable identification methods in biometric identification, is due to the unique, stable and living characteristics of the iris physiologically. In addition, because the iris is an external visible internal organ in the eyes, the iris recognition system is in a non-contact type for a user, so that errors caused by manual operation can be avoided, higher epidemic prevention safety is achieved, and epidemic prevention requirements are met very well.
One of the federation chain and the block chain refers to members and limited third parties for a specific group, a plurality of preselected nodes are internally designated as bookers, the generation of each block is jointly determined by all the preselected nodes, and other access nodes can trade without inquiring about the billing process. Compared with a public block chain, the block chain has the characteristics of paying attention to privacy, safety and supervision, and has more advantages in efficiency and flexibility: 1. the method still has the characteristic that the inbound block cannot be illegally tampered; 2. the transaction cost is lower, the efficiency is higher, and the transaction can be verified only by a limited and high-calculation third-party node without whole-network confirmation; 3. the efficiency of node maintenance is higher.
In the application of the alliance chain in the invention, limited third parties in the alliance chain, namely supervision nodes, correspond to trusted epidemic prevention supervision organizations, such as government organizations and departments with epidemic prevention supervision power; meanwhile, the alliance chain of the invention allows any authorized node to join the network, such as authorized customs verification nodes, quarantine nodes and the like, and respectively corresponds to each organization and department involved in epidemic prevention customs inspection, which is consistent with that each node in the alliance chain is usually corresponding to an entity organization. Specifically, the customs verification nodes are correspondingly arranged on any passage gate D with customs quarantine requirements, and are arranged in cinemas, banks, shopping malls, hospitals and other places with large pedestrian volume and higher epidemic prevention requirements; in addition, the channel gate D of the embodiment is simultaneously provided with an iris recognition device and a body temperature measuring device; the quarantine node corresponds to a trusted medical institution and/or other institutions with quarantine capability.
The county administrative district, namely the administrative district with the same administrative status as the county, comprises a city administrative district, a county city, a county, a self-governing county, a flag, a self-governing flag, a special district and a forest district, and is directly administered by a local administrative district, a direct administrative city or a provincial administrative district (limited to provinces and self-governing districts).
Example one
Referring to fig. 1 and fig. 2, the present invention provides a quarantine clearance method based on a block chain, which includes the following steps:
s1: creating an identity database of local people in each county-level administrative district about iris features and identity card information of the local people, and storing the identity database to each customs verification node A (as shown in FIG. 2, the customs verification nodes comprise a customs verification node A1, a customs verification node A2, a customs verification node A3 and the like) in a alliance chain network.
Specifically, an identity database corresponding to each county administrative district of the whole country is created, and the association relationship between local persons (subject to the household location) and the identity card information is recorded. For example, the identity database corresponding to the county administrative district, such as the Hu-Li district of Xiamen city, records the correspondence between the iris-identity card information and the local persons in the Hu-Li district. And each customs verification node is stored with an identity database corresponding to each county-level administrative district throughout the country, which is beneficial to efficiently confirming the identity of the personnel to be passed.
S21: and receiving epidemic prevention data corresponding to the identity card information by the quarantine node in the alliance chain network, and generating a corresponding health report according to the epidemic prevention data.
In particular, the epidemic prevention data includes health information and nucleic acid, antibody detection information provided by trusted medical institutions or quarantine units/institutions/departments, and real-time trace data (i.e., positioning data of user's mobile phone) provided by communication institutions (including telecommunications, mobile, internet, etc.); the health report comprises the current health status (which can be simply marked by low risk, medium risk, high risk and the like), the whereabouts risk grade (which can be simply marked by low risk, medium risk, high risk and the like), and nucleic acid and antibody detection information (which can comprise detection results, detection mechanisms and detection time); wherein the current health status includes whether the patient is a confirmed or suspected patient, whether the patient is a close contact person, and whether the patient has a recent doctor-seeing fever clinic. As shown in fig. 2, the quarantine node B corresponds to medical institutions such as a medical institution B1, a medical institution B2, and a medical institution B3.
Therefore, the corresponding relation between the epidemic prevention data which are associated through the identity card information and the health report is determined at the quarantine node.
Preferably, the sources of the epidemic prevention data acquired by the quarantine node are not limited to organizations/departments in a specific administrative district, and can be nationwide or even globally.
Preferably, the period of updating each person health report by the epidemic prevention node can be flexibly regulated and controlled according to actual conditions. For example, the period may be set to 12 hours or even 6 hours, ensuring that each person's statement of health is the most time-sensitive and reference-sensitive to improve the accuracy of customs quarantine.
S2: and the quarantine node sends the health report to a supervision node in a alliance chain network. As shown in fig. 2, the number of the supervisory nodes C is plural, and at least includes a supervisory node C1, a supervisory node C2, a supervisory node C3, and the like.
Alternatively, the epidemic prevention node may send the health report in a broadcast form.
S3: and each supervision node verifies the health report and stores the health report to the local after reaching consensus.
After receiving the health report, each supervision node in the chain needs to verify the health report, the verification content may include whether the source (identity of the verification epidemic prevention node), format and sequence are correct, the order of operation and validity (such as signature to prevent counterfeiting or tampering), and the like, and then a verification result is obtained; and finally, counting the verification results corresponding to each monitoring node according to a consensus mechanism preset by the alliance chain, determining whether consensus can be obtained on the health report or not, and if yes, storing the health report to the local by each monitoring node.
In particular, the federation chain is more inclined to adopt a consensus mechanism such as PBFT, DPoS and the like due to the addition of a plurality of management and control elements. The mechanism can be used for creating, verifying, signing and mutually supervising new blocks, so that the cost is reduced, the time and the calculation power are saved, the downtime is calculated, and the public community can quickly vote for the people who have the stock right in the DPoS (stock authorization certification) mechanism. The PBFT mechanism solves consensus through an algorithm model, a token distribution mechanism does not exist, energy consumption is low, fault tolerance is achieved, the process can be briefly described, a leader is selected for people to vote first, and other people vote after the leader is billed. In the PBFT consensus mechanism, it can be demonstrated that the entire system can work properly as long as the error/malicious byzantine nodes are less than 1/3 of the total number of the system.
S4: and each supervision node packs the locally stored health reports according to different county administrative districts respectively according to the identity card information corresponding to the health reports at regular time, packs the packs corresponding to the county administrative districts into blocks and then enters the chain.
That is, each supervision node classifies the locally stored health reports at regular time according to the corresponding county administrative districts, and then packs the health reports to obtain the health report packages of the county administrative districts; then, all the packets are packed into a block and stored in a block chain.
It should be noted that the identification card information can uniquely identify a citizen, and the identification card information in the present invention includes an identification card number and a place of residence. In the step S3, the monitoring node partitions the health report according to the id card information based on the household location. Because the place of residence code represented by the specific number (generally 1-6 digits from left to right) on the ID card number is invariable throughout the life, but the place of residence of the citizen can be changed, and the place of residence on the effective ID card is consistent with the place of residence information on the national place of residence inquiry system.
It should be noted that, the process of forming blocks by packing the respective policing nodes in this step also needs to be implemented by using a specific consensus mechanism. That is, the packed result can be stored in the block chain only after all supervision nodes are identified.
In addition, the period of packaging into blocks preferably corresponds to the period of updating the health report of each person by the epidemic prevention node in the previous step. For example, if each health report is updated once in 12 hours, then each supervisory node packs out a block every 12 hours accordingly. Therefore, the health reports of local people in each county-level administrative district stored in the latest block can be ensured to be latest, and the validity of the health reports for quarantine can be ensured.
In addition, the latest block is used for obtaining the latest health report, and other blocks have the function of tracing the historical health report, and more importantly, the linked and blocked health report has the security which can not be tampered.
S5: any customs verification node acquires body temperature data of a person and judges whether the body temperature data is abnormal or not; if yes, alarming; if not, go to S6;
the purpose of this step is to first determine whether or not there is a need for verification down by body temperature. If the body temperature is confirmed to be over-standard during epidemic prevention, direct alarming, isolation and contact with medical institutions for further identification are necessary, and verification of health reports is not necessary. Therefore, the flow of the embodiment is limited, and the quarantine efficiency and effectiveness can be improved.
Preferably, in a specific example, if the first temperature measurement result is abnormal, the body temperature data of the person is acquired again, and if the body temperature data acquired again is still abnormal, an alarm is given; and if the temperature data acquired again is normal, acquiring the temperature data of the person for the third time, if the temperature data is normal, executing S6, and if the temperature data is abnormal, giving an alarm.
Therefore, in the example, the same temperature measurement result is obtained twice continuously and the same result is obtained twice three times as the final result, so that the possibility of misoperation can be effectively eliminated, the temperature measurement result is ensured to have sufficient reference, and waste of manpower and material resources caused by invalid alarm can be effectively avoided.
Preferably, the body temperature data of the user is acquired through an in-ear electronic thermometer or an infrared thermometer provided with an infrared filter for body temperature measurement, and then transmitted to the corresponding customs verification node. The body temperature is measured by adopting the two devices, so that the measured body temperature data can be more accurate.
S6: and the customs clearance verification node acquires the iris image of the person and extracts the iris characteristic of the person according to the iris image.
Specifically, after the iris image acquisition device of the customs verification node acquires the iris image of the user, the iris image acquisition device sends the iris image to the customs verification node, and the customs verification node extracts the iris features. Iris image acquisition, iris preprocessing, iris feature extraction and iris feature comparison in the process of iris recognition. The clearance verification node is responsible for all steps except the first step. The most key of the iris preprocessing is iris preprocessing, an effective iris texture region which is not interfered by noise is extracted by segmenting an iris image, and the result directly influences the accuracy of iris recognition.
In one embodiment, the process of extracting the iris feature of the person according to the iris image includes the following steps:
s61: and performing iris segmentation on the iris image through a full convolution segmentation network, and extracting an iris texture region which is not interfered by noise in the iris image.
The iris is an annular region between a black pupil and a white sclera of a human eye, so that the iris is easily interfered by eyelashes, shadows, light spots and a picture frame.
Specifically, the iris segmentation of the iris image through a full convolution segmentation network involves two modules, one is a coding module, and is used for a feature extraction network for image classification, such as a deep convolution neural network such as vgnet, ResNet, MobileNet, ShuffleNet and the like; the other is a decoding module, which is used for refining the extracted features and upsampling the extracted features to obtain the final segmentation result, and a neural network such as fed forward, Skip, Decoder, translation and the like is used.
S62: and extracting corresponding iris features according to the iris texture region.
S7: and acquiring the household location of the person input by voice, determining the corresponding county administrative district according to the household location, and matching the iris characteristic of the person with the iris characteristic in the identity database of the county administrative district to acquire the identity card information of the person.
In a specific example, based on the phenomenon that local people account for the most, the customs clearance verification node firstly matches the identity of the to-be-verified passing person from the range of the administrative region at the county level, and if no result exists, the to-be-verified passing person is required to be input into the household address. By doing so, the identity recognition of the personnel to be passed can be completed most quickly and efficiently under most conditions, and the customs clearance inspection efficiency is further improved remarkably; meanwhile, aiming at the 'foreign people', the method also has high verification efficiency according to the 'household registration places', has stronger compatibility and practicability and belongs to non-contact type.
Specifically, step S7 of the present embodiment specifically includes the steps of:
s71: the customs clearance verification node matches the iris characteristics of the person with the iris characteristics in an identity database corresponding to the current county-level administrative district; if the matching is successful, executing S72; if the matching fails, go to S73;
s72: acquiring the identity card information of the person according to the identity database, and executing S8;
s73: acquiring a household location of the person input by voice, determining a corresponding county administrative district according to the household location, and acquiring an identity database of the county administrative district; and matching the iris characteristics of the person with the iris characteristics in the acquired identity database to acquire the identity card information of the person, and executing S8.
In this embodiment, an identity database in which correspondence between iris features and identity card information is recorded is obtained for local persons in each county-level administrative district in advance. Therefore, when customs clearance verification is carried out, aiming at the majority of local people, the identity of the customs clearance personnel can be determined by one step only by matching in the identity database of the local people; for the non-local people, the matching in the local people identity database is only needed to be carried out in the corresponding identity database according to the household location, so that the method is efficient and convenient.
By the above, this embodiment uses iris discernment identity, can enough guarantee identity discernment's accuracy, can guarantee the validity of identity again (unable replacement), and further, can also have the epidemic prevention requirement concurrently, not only need not take off the gauze mask, and whole non-contact accomplishes moreover.
S8: and the customs clearance verification node initiates a health report acquisition request of the person to any supervision node according to the identity card information of the person.
Since all the supervision nodes store the latest local human health report blocks of each county-level administrative district, quarantine can be carried out by any supervision node in response.
S9: and the supervision node receiving the request acquires the latest block from the chain, acquires a packet corresponding to the county administrative district according to the identity card information of the person, acquires a health report of the person from the packet, and returns the health report to the clearance verification node.
Specifically, the supervision node receiving the request establishes a communication connection channel with the gateway verification node initiating the request; and the supervision node analyzes the request, acquires the identity card information therein, and accordingly acquires the corresponding health report from the block chain. The monitoring node acquires the latest block from the block chain, and acquires the health report corresponding to the identity card information of the person to be communicated from the latest block so as to ensure the validity of the health report.
S10: and the clearance verification node determines the passing qualification of the person according to the received health report.
The gateway verification node verifies the received health report of the personnel to be passed, and the specific verification is based on the preset epidemic prevention regulation, so that the freely set verification standard is supported. And the clearance verification node sends a passage instruction to the gate of the passage according to the passage qualification corresponding to the personnel to release the personnel.
Therefore, the quarantine clearance method of the embodiment efficiently and accurately identifies the identity of the expert through the iris identification technology, and then efficiently verifies the latest health report corresponding to the identity of the expert by using the alliance chain network, so that whether the expert meets the epidemic prevention standard or not can be efficiently and accurately checked in public places, and further the epidemic prevention control level is improved and the measures of epidemic prevention control are optimized. It is particularly emphasized that, in the embodiment, by introducing the alliance chain network, the high-efficiency integration, unified supervision and effective utilization of the national-wide control and quarantine related data are realized, the effectiveness and accuracy of public place passage inspection can be enhanced and perfected, and the epidemic prevention control level is further improved.
Example two
The present embodiment is further defined on the basis of the first embodiment:
the federation chain of this embodiment will employ the PBFT consensus mechanism to create new blocks. The PBFT consensus mechanism can be simply summarized as: all supervision nodes select a leader node in turn, other nodes serve as common nodes, the leader node verifies the nodes in advance and broadcasts the nodes to the common nodes, and the consensus is achieved through determination at 2/3.
Corresponding to the steps S2 and S3 in the first embodiment, the following steps are respectively embodied as follows:
s2: and the quarantine node sends the health report to the supervision node which is selected as the leader node in the alliance chain network.
Firstly, the alliance chain system selects one supervision node as a leader node in turn according to the numbering sequence of the supervision nodes, and maintains heartbeat with other nodes; and then, forwarding the health report to a supervision node serving as a leader node at the quarantine node.
The step S3 specifically includes:
s31: after receiving the health report sent by the epidemic prevention node, the supervision node serving as the leader node verifies the epidemic prevention node, and if the verification is passed, the supervision node broadcasts the health report;
specifically, after the leader node verifies that the health report passes, the leader node broadcasts the health report to all supervisory nodes serving as common nodes.
S32: and the other supervision nodes verify the received health report, and if the verification is passed, the verification result is broadcasted.
Specifically, after all supervision nodes serving as common nodes receive the health report, the first step is to verify the source, the correct sequence of the data, the order of the operation, and the validity of the transaction (such as signature), so as to prevent the quarantine node sending the health report from being counterfeited or the leader node from being tampered with. After being verified to be correct, all the common nodes can be written into the disk of the common nodes, namely the common nodes exist locally, and then the verification results of the common nodes are broadcasted.
S33: and each monitoring node counts the received verification result, and if the verification result of the monitoring node exceeding the preset proportion is that the verification is passed, the health report is judged to be in consensus.
Specifically, all the monitoring nodes count the statistics result for the health report, and when the statistics result is that 2/3 nodes are all sent verification results that are verified, the whole health report is considered to be agreed and the transaction is successful.
S44: each supervisory node stores the statement-of-health locally.
EXAMPLE III
The second embodiment of the present invention provides a quarantine clearance system based on a federation chain, which includes a federation chain network, a clearance verification node, a quarantine node, and a supervision node as a preselected node;
the customs clearance verification node is used for storing an identity database, and the identity database records iris features and identity card information of local people in each county; acquiring body temperature data of a person, and judging whether the body temperature data is abnormal or not; if yes, alarming; if not, acquiring an iris image of the person, and extracting the iris feature of the person according to the iris image; acquiring a household location of the person input by voice, determining a corresponding county-level administrative district according to the household location, and acquiring an identity database of the county-level administrative district; matching the iris characteristics of the person with the iris characteristics in the identity database of the level administrative area to acquire the identity card information of the person; initiating a health report acquisition request of the person to any supervision node according to the identity card information of the person; and determining a pass qualification of the person based on the received health report;
the quarantine node is used for receiving epidemic prevention data corresponding to the identity card information and generating a corresponding health report; and sending the health report to a supervisory node in a federation chain network;
the supervision node is used for verifying the health report and storing the health report to the local after consensus is achieved; the locally stored health reports are respectively packaged according to different county administrative districts according to the identity card information corresponding to the health reports at regular time, and then the packages corresponding to the county administrative districts are packaged into blocks and then are linked; and acquiring the latest block from the chain after receiving the request, acquiring a packet corresponding to the county-level administrative district according to the identity card information of the person, acquiring a health report of the person from the packet, and returning the health report to the customs clearance verification node.
The epidemic prevention data comprises health information and nucleic acid and antibody detection information provided by a medical institution, and trace data provided by a communication institution; the health report comprises current health status, whereabouts risk level and nucleic acid and antibody detection information; wherein the current health status comprises whether the patient is a confirmed or suspected patient, whether the patient is a close contact person and whether the patient has a recent doctor-seeing fever clinic;
in a specific example, the customs clearance verification node is specifically configured to match the iris feature of the person with an iris feature in an identity database corresponding to a current county-level administrative district where the person is located; if the matching is successful, acquiring the identity card information of the person according to the identity database; if the matching fails, acquiring the household location of the person input by voice, determining a corresponding county administrative district according to the household location, and acquiring an identity database of the county administrative district; matching the iris characteristics of the person with the iris characteristics in the acquired identity database to acquire the identity card information of the person;
the customs clearance verification node acquires body temperature data of a user through an in-ear electronic thermometer or an infrared thermometer provided with an infrared filter for measuring body temperature;
the customs clearance verification node corresponds to customs clearance equipment arranged in public places of each county; the regulatory node corresponds to a trusted government agency or a third party regulatory agency.
In an embodiment, the customs clearance verification node, when configured to extract the iris feature of the person according to the iris image, specifically includes:
performing iris segmentation on the iris image through a full convolution segmentation network, and extracting an iris texture region which is not interfered by noise in the iris image; and extracting corresponding iris characteristics according to the iris texture region.
In a specific example, the quarantine node, when configured to send the health report to a supervising node in a federation chain network, specifically sends the health report to a supervising node in the federation chain network that is currently selected as a leader node;
the monitoring node is configured to verify the health report, and when storing the health report to a local after reaching a consensus, the monitoring node specifically includes:
after receiving the health report sent by the epidemic prevention node, the supervision node serving as the leader node verifies the epidemic prevention node, and if the verification is passed, the supervision node broadcasts the health report; the other supervision nodes verify the received health report, and if the verification is passed, the verification result is broadcasted; and each monitoring node counts the received verification result, if the verification result of the monitoring node exceeding the preset proportion is that the verification is passed, the health report is judged to be in consensus, and the health report is stored locally.
Example four
This embodiment corresponds to the first to third embodiments, and provides a specific application scenario:
local iris characteristics of people and identity database of identity card information are established in administrative districts of counties and counties all over the country. Each customs verification node stores an identity database of administrative districts in each county level in the country; one pass-gate verification node corresponds to one pass-gate machine and controls the passing of one channel.
And quarantine nodes connected with each large-trusted medical institution, quarantine departments/institutions/units receive epidemic prevention data reported by each institution/department/unit in real time. Each epidemic prevention data corresponds to one identity card information. And the quarantine node generates a health report corresponding to the epidemic prevention data. One epidemic prevention data corresponds to one identity card information and one health report.
If the supervision node in the alliance chain agrees with the health report, the supervision node is stored locally; each supervision node divides all local health reports at regular time according to each county-level administrative district, packs the reports into packs, packs the health report packs of each county-level administrative district into a block, and stores the block into a block chain. That is, one county administrative district corresponds to one health report package, and health report packages of the county administrative districts are stored in one block.
The following description will be made by taking, as an example, an epidemic prevention inspection performed in a movie theater located in a county administrative district, such as the Hu-Li district of Xiamen city.
The epidemic prevention inspection process of the small sheets to be passed by one of the passage gates in the cinema is as follows:
1. the gate machine where the small sheets are located acquires body temperature data of the small sheets through an infrared thermometer provided with an infrared filter for measuring the body temperature, if the temperature exceeds 37 ℃, the body temperature data of the small sheets are acquired for the second time, if the temperature still exceeds 37 ℃, an alarm is given, and a specific epidemic prevention measure is adopted for the small sheets in a safety mode; if not, the voice prompts the user to collect the iris of the user. Preferably, the user is reminded to take off the eyes and raise all objects shielding the eyes as much as possible, and blinks as much as possible at the same time so as to acquire effective iris images to the maximum extent.
2. And the iris image acquisition equipment acquires the small iris image and then sends the small iris image to a gateway verification node connected with the gate machine. Processing the iris image of the small picture by the iris image processing device, and extracting the iris characteristics of the small picture; the iris features of the leaflets are then matched to individual iris features in a locally stored identity database in the lake and the river areas of mansion. If the matching is successful, acquiring the identity card information of the small sheets; if the matching fails, a small voice (preferably, word-by-word clear) is required to recite the household address on the self-owned identity card through voice prompt, the voice recognition system carries out denoising processing on the audio data of the spring city carp urban area of the small commented household address, then correctly recognizes the result of the spring city carp urban area, and then matches the iris characteristics of the small with the locally stored identity database of the spring city carp urban area to obtain the identity card data of the small.
3. And the customs clearance verification node sends the identity card information of the small sheet to the supervision node which is selected as the leader node at this time to request to acquire the health report of the small sheet.
4. The supervision node firstly verifies the clearance verification node, confirms that the clearance verification node is an authorized node in the network, then obtains the latest block with the link entering date from the block chain, then obtains a health report packet in the lake and the interior of the mansion according to the identity card information of the leaflet, obtains a health report corresponding to the identity card information of the leaflet after analyzing the packet, and returns the health report to the clearance verification node corresponding to the gate where the leaflet is located.
5. The clearance verification node verifies the health report of the small sheets according to the set epidemic prevention standard, if the health report of the small sheets is confirmed to meet the epidemic prevention requirement, the small sheets are considered to have the passing qualification, and the gate machine is controlled to release; if the epidemic prevention requirement is not met, the abnormal health report is displayed, and after the alarm is given, a professional person executes a prevention and control means.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A quarantine clearance method based on a alliance chain is characterized by comprising the following steps:
s1: creating an identity database of local people in each county-level administrative district about iris features and identity card information of the local people, and storing the identity database to each customs verification node in a alliance chain network;
s2: an epidemic prevention node in the network sends a health report corresponding to the identity card information to a supervision node;
s3: each supervision node verifies the health report and stores the health report to the local after reaching consensus;
s4: each supervision node packs the locally stored health reports according to different county administrative districts respectively according to the identity card information corresponding to the health reports at regular time, packs the packs corresponding to the county administrative districts into blocks and then enters the chain;
s5: any customs verification node acquires body temperature data of a person and judges whether the body temperature data is abnormal or not; if yes, alarming; if not, go to S6;
s6: the customs clearance verification node acquires an iris image of the person and extracts iris features of the person according to the iris image;
s7: acquiring a household location of the person input by voice, determining a corresponding county administrative district according to the household location, and matching the iris characteristic of the person with the iris characteristic in an identity database of the county administrative district to acquire the identity card information of the person;
s8: the customs clearance verification node initiates a health report acquisition request of the person to any supervision node according to the identity card information of the person;
s9: the supervision node receiving the request acquires the latest block from the chain, acquires a packet corresponding to a county administrative district according to the identity card information of the person, acquires a health report of the person from the packet, and returns the health report to the customs clearance verification node;
s10: and the clearance verification node determines the passing qualification of the person according to the received health report.
2. A quarantine clearance method based on a federation chain as claimed in claim 1, wherein the step S8 specifically includes:
s71: the customs clearance verification node matches the iris characteristics of the person with the iris characteristics in an identity database corresponding to the current county-level administrative district; if the matching is successful, executing S72; if the matching fails, go to S73;
s72: acquiring the identity card information of the person according to the identity database, and executing S8;
s73: acquiring a household location of the person input by voice, determining a corresponding county administrative district according to the household location, and acquiring an identity database of the county administrative district;
s74: and matching the iris characteristics of the person with the iris characteristics in the acquired identity database to acquire the identity card information of the person, and executing S8.
3. A federation chain-based quarantine clearance method according to claim 1, wherein if yes in step S5, then alarming specifically comprises:
if so, acquiring the body temperature data of the person again, and if the body temperature data acquired again is still abnormal, alarming; and if the temperature data acquired again is normal, acquiring the temperature data of the person for the third time, if the temperature data is normal, executing S6, and if the temperature data is abnormal, giving an alarm.
4. A federation chain-based quarantine clearance method according to claim 1, wherein the S2, before, further comprises:
s21: the epidemic prevention node generates a corresponding health report according to the received epidemic prevention data;
wherein the epidemic prevention data comprises health information and nucleic acid and antibody detection information provided by a medical institution, and real-time whereabouts data provided by a communication institution; the health report comprises current health status, whereabouts risk level and nucleic acid and antibody detection information; wherein the current health status includes whether the patient is a confirmed or suspected patient, whether the patient is a close contact person, and whether the patient has a recent doctor-seeing fever clinic.
5. A federation chain-based quarantine method according to claim 1, wherein the extracting the iris feature of the one person from the iris image in the step of S6 comprises:
s61: performing iris segmentation on the iris image through a full convolution segmentation network, and extracting an iris texture region which is not interfered by noise in the iris image;
s62: and extracting corresponding iris features according to the iris texture region.
6. The quarantine clearance method based on the alliance chain as claimed in claim 1, wherein the clearance verification node in the alliance chain network corresponds to the clearance equipment arranged in public places in each county; the regulatory node corresponds to a trusted government agency or a third party regulatory agency.
7. A federation chain-based epidemic prevention method as claimed in claim 1, wherein the S3 specifically comprises:
s31: after receiving the health report sent by the epidemic prevention node, the supervision node serving as the leader node verifies the epidemic prevention node, and if the verification is passed, the supervision node broadcasts the health report;
s32: the other supervision nodes verify the received health report, and if the verification is passed, the verification result is broadcasted;
s33: and each monitoring node counts the received verification result, if the verification result of the monitoring node exceeding the preset proportion is that the verification is passed, the health report is judged to be in consensus, and the health report is stored locally.
8. The quarantine clearance system based on the alliance chain is characterized by comprising an alliance chain network, a clearance verification node, a quarantine node and a supervision node serving as a preselected node, wherein the clearance verification node and the quarantine node are arranged in the alliance chain network;
the customs clearance verification node is used for storing an identity database, and the identity database records iris features and identity card information of local people in each county; acquiring body temperature data of a person, and judging whether the body temperature data is abnormal or not; if yes, alarming; if not, acquiring an iris image of the person, and extracting the iris feature of the person according to the iris image; acquiring a household location of the person input by voice, determining a corresponding county-level administrative district according to the household location, and acquiring an identity database of the county-level administrative district; matching the iris characteristics of the person with the iris characteristics in the identity database of the level administrative area to acquire the identity card information of the person; initiating a health report acquisition request of the person to any supervision node according to the identity card information of the person; and determining a pass qualification of the person based on the received health report;
the quarantine node is used for receiving epidemic prevention data corresponding to the identity card information and generating a corresponding health report; and sending the health report to a supervisory node in a federation chain network;
the supervision node is used for verifying the health report and storing the health report to the local after consensus is achieved; the locally stored health reports are respectively packaged according to different county administrative districts according to the identity card information corresponding to the health reports at regular time, and then the packages corresponding to the county administrative districts are packaged into blocks and then are linked; and acquiring the latest block from the chain after receiving the request, acquiring a packet corresponding to the county-level administrative district according to the identity card information of the person, acquiring a health report of the person from the packet, and returning the health report to the customs clearance verification node.
9. A quarantine clearance system according to claim 8 based on a federation chain, wherein the clearance verification node is specifically configured to match the iris feature of the one person with the iris feature in the identity database corresponding to the currently located county-level administrative district; if the matching is successful, acquiring the identity card information of the person according to the identity database; if the matching fails, acquiring the household location of the person input by voice, determining a corresponding county administrative district according to the household location, and acquiring an identity database of the county administrative district; matching the iris characteristics of the person with the iris characteristics in the acquired identity database to acquire the identity card information of the person;
the customs clearance verification node acquires body temperature data of a user through an in-ear electronic thermometer or an infrared thermometer provided with an infrared filter for measuring body temperature;
the customs clearance verification node corresponds to customs clearance equipment arranged in public places of each county; the regulatory node corresponds to a trusted government agency or a third party regulatory agency.
10. A federation chain-based quarantine clearance system according to claim 8 wherein the epidemic data includes health information and nucleic acid, antibody detection information provided by medical institutions, and real-time whereabouts data provided by communication institutions; the health report comprises current health status, whereabouts risk level and nucleic acid and antibody detection information; wherein the current health status comprises whether the patient is a confirmed or suspected patient, whether the patient is a close contact person and whether the patient has a recent doctor-seeing fever clinic;
when the quarantine node is used for sending the health report to a supervision node in the alliance chain network, specifically sending the health report to the supervision node which is selected as a leader node in the alliance chain network at this time;
the monitoring node is configured to verify the health report, and when storing the health report to a local after reaching a consensus, the monitoring node specifically includes:
after receiving the health report sent by the epidemic prevention node, the supervision node serving as the leader node verifies the epidemic prevention node, and if the verification is passed, the supervision node broadcasts the health report; the other supervision nodes verify the received health report, and if the verification is passed, the verification result is broadcasted; and each monitoring node counts the received verification result, if the verification result of the monitoring node exceeding the preset proportion is that the verification is passed, the health report is judged to be in consensus, and the health report is stored locally.
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