CN112286872A - Medical image data sharing method and system based on block chain technology and interplanetary file system and readable storage medium - Google Patents
Medical image data sharing method and system based on block chain technology and interplanetary file system and readable storage medium Download PDFInfo
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- G06F16/10—File systems; File servers
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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- G06F16/10—File systems; File servers
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Abstract
The invention discloses a medical image data sharing method, a system and a readable storage medium based on a block chain technology and an interplanetary file system, wherein the method comprises the following steps: creating a block chain node and an interplanetary file system node; acquiring original medical image data regularly for preprocessing, and outputting a result as primary medical image data; further carrying out classification processing, and outputting a result as secondary medical image data; synchronously uploading the secondary medical image data to an interplanetary file system, and converting the secondary medical image data into an interplanetary file system file; calculating a hash value of the interplanetary file system file corresponding to the secondary medical image data to generate a hash address; the hash addresses are sorted and gathered, a hash address library is established and written into a block chain network; and setting a medical image data sharing platform, and acquiring operation authority by a medical institution through login. According to the invention, by utilizing the block chain technology and the interplanetary file system, image sharing among medical institutions is realized, and the storage pressure of the block chain is effectively reduced.
Description
Technical Field
The invention relates to the technical field of a block chain technology and an interplanetary file system, in particular to a medical image data sharing method and system based on the block chain technology and the interplanetary file system and a readable storage medium.
Background
In the modern society developing at a high speed today, the medical industry is following the era pace; the technical product of the information era is applied to the medical industry, promotes informatization and intellectualization of the medical industry, highly integrates medical resources, and is an absolute trend in the current and future medical fields. The sharing of medical image data has great significance for treating patients, the development of intelligent medical treatment and academic communication; medical image data sharing today is mainly achieved through medical institution internal channels, social software, and the like. However, there are many problems and disadvantages in sharing implemented by these methods, such as security problem of medical image data and privacy problem related to personal medical information of patients, and high load cost caused by requirement of storage space for a large amount of medical image data is also a problem that must be taken into consideration.
The block chain technology is a distributed database, and is different from the current mainstream relational database in the aspects of non-transferable information and security; the block chain technology uses a mathematical method for data blocks, correlates the data blocks through a safe and reliable encryption algorithm, records transaction information within a certain time by using the blocks, verifies whether the information is real and effective through a cryptography method, and forms a main chain by using a method of linking a pointer to the previous block. Therefore, the block chain technology has the characteristics of public transparency, difficulty in tampering, decentration, asymmetric encryption and the like.
The interplanetary file system is a permanent, decentralized method for saving and sharing files, which is a distributed protocol of content addressable, versioned, point-to-point hypermedia.
In order to ensure the safety of medical image data sharing, promote the medical image data to be used in a proper channel, protect the individual privacy of patients and solve the storage problem in the medical image data sharing, the invention provides a medical image data sharing method, a medical image data sharing system and a readable storage medium based on a block chain technology and an interplanetary file system.
Disclosure of Invention
In order to solve at least one technical problem, the invention provides a medical image data sharing method, system and readable storage medium based on a block chain technology and an interplanetary file system.
In order to solve the technical problem, a first aspect of the present invention discloses a medical image data sharing method based on a blockchain technique and an interplanetary file system, the method comprising:
medical institutions participating in medical image data sharing respectively establish a block chain node and an interplanetary file system node;
acquiring original medical image data regularly for preprocessing, and outputting a result as primary medical image data; further carrying out classification processing, and outputting a result as secondary medical image data;
synchronously uploading the secondary medical image data to an interplanetary file system, and converting the secondary medical image data into an interplanetary file system file;
calculating a hash value of the interplanetary file system file corresponding to the secondary medical image data to generate a hash address;
the hash addresses are sorted and gathered, a hash address library is established and written into a block chain network;
and setting a medical image data sharing platform, and acquiring operation authority by logging in a medical institution, wherein the operation authority comprises sharing medical image data and initiating a medical image data request.
In this scheme, the preprocessing specifically includes: according to the judgment standard of the effectiveness of medical image data in the industry, screening is carried out based on three basic parameters of resolution, size and color, and repeated and invalid medical image data are deleted.
In the scheme, the secondary medical image data needs to be sliced when being converted into the interplanetary file system file, and is divided into n secondary medical image data blocks and stored as n interplanetary file system objects.
In the scheme, when the medical image data sharing operation process is in progress, the hash value obtained by calculating the corresponding interplanetary file system file of the secondary medical image data needs to be fed back and fed back to the medical image data sharing platform.
In the scheme, the hash address library of the interstellar file system file corresponding to the secondary medical image data needs to be encrypted through a public key of a data source medical institution before being uploaded and synchronized to the blockchain network.
In the scheme, the medical institution registers basic information through the medical image data sharing platform, so that an account ID, authority and attribute judgment result issued by the platform is obtained, the account ID, the authority and the attribute judgment result are further sent to the certification center CA for verification, and the certification center CA generates a private key for the medical institution after the verification is passed and sends the private key to the medical institution.
In this scheme, the specific process of the medical institution initiating a medical image data request and further obtaining target medical image data is as follows: a medical institution serving as a medical image data demand party initiates a medical image data request through a medical image data sharing platform; the medical image data sharing platform analyzes and verifies the medical image data request of the medical image data demand party to acquire the unique identifier of the requested medical image data; after the verification is passed, the medical image data sharing platform initiates a target medical image data request to the blockchain network; after receiving the target medical image data request, the block chain network immediately broadcasts the request to all nodes in the block chain; if the node which achieves the consensus exists and the response of the node is received, calling a first intelligent contract, decrypting a Hash address base corresponding to the requested medical image data by using a private key of a data source medical institution, synchronously sending the Hash address base to a medical image data sharing platform, calling a specific Hash address corresponding to the requested medical image data by the medical image data sharing platform, and then connecting an interplanetary file system for Hash address retrieval to obtain the requested target medical image data; and if no node which achieves the consensus exists, returning a message of requesting invalidity to the medical image data sharing platform.
The invention discloses a medical image data sharing system based on a block chain technology and an interplanetary file system, which is characterized by comprising a memory and a processor, wherein the memory comprises a medical image data sharing method program based on the block chain technology and the interplanetary file system, and the medical image data sharing method program based on the block chain technology and the interplanetary file system realizes the following steps when the processor executes the program:
medical institutions participating in medical image data sharing respectively establish a block chain node and an interplanetary file system node;
acquiring original medical image data regularly for preprocessing, and outputting a result as primary medical image data; further carrying out classification processing, and outputting a result as secondary medical image data;
synchronously uploading the secondary medical image data to an interplanetary file system, and converting the secondary medical image data into an interplanetary file system file;
calculating a hash value of the interplanetary file system file corresponding to the secondary medical image data to generate a hash address;
the hash addresses are sorted and gathered, a hash address library is established and written into a block chain network;
and setting a medical image data sharing platform, and acquiring operation authority by logging in a medical institution, wherein the operation authority comprises sharing medical image data and initiating a medical image data request.
In this scheme, the preprocessing specifically includes: according to the judgment standard of the effectiveness of medical image data in the industry, screening is carried out based on three basic parameters of resolution, size and color, and repeated and invalid medical image data are deleted.
In the scheme, the secondary medical image data needs to be sliced when being converted into the interplanetary file system file, and is divided into n secondary medical image data blocks and stored as n interplanetary file system objects.
In the scheme, when the medical image data sharing operation process is in progress, the hash value obtained by calculating the corresponding interplanetary file system file of the secondary medical image data needs to be fed back and fed back to the medical image data sharing platform.
In the scheme, the hash address library of the interstellar file system file corresponding to the secondary medical image data needs to be encrypted through a public key of a data source medical institution before being uploaded and synchronized to the blockchain network.
In the scheme, the medical institution registers basic information through the medical image data sharing platform, so that an account ID, authority and attribute judgment result issued by the platform is obtained, the account ID, the authority and the attribute judgment result are further sent to the certification center CA for verification, and the certification center CA generates a private key for the medical institution after the verification is passed and sends the private key to the medical institution.
In this scheme, the specific process of the medical institution initiating a medical image data request and further obtaining target medical image data is as follows: a medical institution serving as a medical image data demand party initiates a medical image data request through a medical image data sharing platform; the medical image data sharing platform analyzes and verifies the medical image data request of the medical image data demand party to acquire the unique identifier of the requested medical image data; after the verification is passed, the medical image data sharing platform initiates a target medical image data request to the blockchain network; after receiving the target medical image data request, the block chain network immediately broadcasts the request to all nodes in the block chain; if the node which achieves the consensus exists and the response of the node is received, calling a first intelligent contract, decrypting a Hash address base corresponding to the requested medical image data by using a private key of a data source medical institution, synchronously sending the Hash address base to a medical image data sharing platform, calling a specific Hash address corresponding to the requested medical image data by the medical image data sharing platform, and then connecting an interplanetary file system for Hash address retrieval to obtain the requested target medical image data; and if no node which achieves the consensus exists, returning a message of requesting invalidity to the medical image data sharing platform.
In the scheme, the medical image data sharing system based on the block chain technology and the interplanetary file system comprises a medical image data acquisition module, a medical image data processing module, a medical image data transmission module, a data storage module, a block chain management module, a block chain connection module, a block chain storage module, an interplanetary file system connection module and a communication protocol module.
In a third aspect of the present invention, a computer-readable storage medium is disclosed, wherein the computer-readable storage medium includes a program of a medical image data sharing method based on a blockchain technique and an interplanetary file system of a machine, and when the program of the medical image data sharing method based on the blockchain technique and the interplanetary file system is executed by a processor, the steps of the medical image data sharing method based on the blockchain technique and the interplanetary file system are implemented.
The invention discloses a medical image data sharing method, a medical image data sharing system and a readable storage medium based on a block chain technology and an interplanetary file system.
Drawings
FIG. 1 is a flow chart of a medical image data sharing method based on a block chain technology and an interplanetary file system according to the invention;
fig. 2 shows a block diagram of a medical image data sharing system based on blockchain technology and an interplanetary file system according to the present invention.
Detailed description of the invention
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a flow chart of a medical image data sharing method based on a block chain technology and an interplanetary file system.
As shown in fig. 1, a first aspect of the present invention discloses a medical image data sharing method based on a block chain technique and an interplanetary file system, including:
medical institutions participating in medical image data sharing respectively establish a block chain node and an interplanetary file system node;
acquiring original medical image data regularly for preprocessing, and outputting a result as primary medical image data; further carrying out classification processing, and outputting a result as secondary medical image data;
synchronously uploading the secondary medical image data to an interplanetary file system, and converting the secondary medical image data into an interplanetary file system file;
calculating a hash value of the interplanetary file system file corresponding to the secondary medical image data to generate a hash address;
the hash addresses are sorted and gathered, a hash address library is established and written into a block chain network;
and setting a medical image data sharing platform, and acquiring operation authority by logging in a medical institution, wherein the operation authority comprises sharing medical image data and initiating a medical image data request.
It should be noted that, in the present invention, the medical institution participating in medical image data sharing forms a blockchain alliance-link network by creating blockchain nodes; the block chain network adopts a consensus mechanism of PoW, PoS or DPoS.
In this scheme, the preprocessing specifically includes: according to the judgment standard of the effectiveness of medical image data in the industry, screening is carried out based on three basic parameters of resolution, size and color, and repeated and invalid medical image data are deleted.
It should be noted that, in the invention, the judgment standard of the data validity of the medical image in the industry scientifically sets the threshold value of the relevant parameter as the screening scale, and the data validity can be improved by repeating the screening for many times in the screening process.
In the scheme, the secondary medical image data needs to be sliced when being converted into the interplanetary file system file, and is divided into n secondary medical image data blocks and stored as n interplanetary file system objects.
It should be noted that the size of the interplanetary file system object in the present invention is 256K B, and the interplanetary file system object may also include links connecting other interplanetary file system objects while storing data; the n is a natural number, and the specific numerical value of the n depends on the size of the secondary medical image data.
In the scheme, when the medical image data sharing operation process is in progress, the hash value obtained by calculating the corresponding interplanetary file system file of the secondary medical image data needs to be fed back and fed back to the medical image data sharing platform.
It should be noted that, in the present invention, the hash value obtained by calculating the interplanetary file system file corresponding to the secondary medical image data is transmitted back and fed back to the medical image data sharing platform, and then downloaded and stored in the local database as a backup.
In the scheme, the hash address library of the interstellar file system file corresponding to the secondary medical image data needs to be encrypted through a public key of a data source medical institution before being uploaded and synchronized to the blockchain network.
It should be noted that, in the present invention, the private key of the data source medical institution is uniformly written into the intelligent block chain contract when the medical institution creates a block chain node and joins the alliance chain network.
In the scheme, the medical institution registers basic information through the medical image data sharing platform, so that an account ID, authority and attribute judgment result issued by the platform is obtained, the account ID, the authority and the attribute judgment result are further sent to the certification center CA for verification, and the certification center CA generates a private key for the medical institution after the verification is passed and sends the private key to the medical institution.
It should be noted that, the certificate authority CA in the present invention issues the private key to the medical institution in a quantum key distribution manner, and if the private key is eavesdropped or intercepted during the key distribution process, based on the characteristics of the quantum key distribution manner, the eavesdropping behavior will be perceived by both communicating parties, and the certificate authority CA will invalidate the eavesdropped or intercepted private key and issue a new private key in addition until the issuing process is safe.
In this scheme, the specific process of the medical institution initiating a medical image data request and further obtaining target medical image data is as follows: a medical institution serving as a medical image data demand party initiates a medical image data request through a medical image data sharing platform; the medical image data sharing platform analyzes and verifies the medical image data request of the medical image data demand party to acquire the unique identifier of the requested medical image data; after the verification is passed, the medical image data sharing platform initiates a target medical image data request to the blockchain network; after receiving the target medical image data request, the block chain network immediately broadcasts the request to all nodes in the block chain; if the node which achieves the consensus exists and the response of the node is received, calling a first intelligent contract, decrypting a Hash address base corresponding to the requested medical image data by using a private key of a data source medical institution, synchronously sending the Hash address base to a medical image data sharing platform, calling a specific Hash address corresponding to the requested medical image data by the medical image data sharing platform, and then connecting an interplanetary file system for Hash address retrieval to obtain the requested target medical image data; and if no node which achieves the consensus exists, returning a message of requesting invalidity to the medical image data sharing platform.
It should be noted that, in the present invention, after the requested target medical image data is obtained through retrieval, a second intelligent contract is required to be invoked to encrypt the requested target medical image data by using the public key of the medical image data requesting party, and then the encrypted data is sent to the medical image data sharing platform and decrypted by the medical image data requesting party.
Fig. 2 shows a block diagram of a medical image data sharing system based on blockchain technology and an interplanetary file system according to the present invention.
As shown in fig. 2, a second aspect of the present invention discloses a medical image data sharing system based on a blockchain technology and an interplanetary file system, which is characterized in that the system comprises a memory and a processor, wherein the memory comprises a medical image data sharing method program based on the blockchain technology and the interplanetary file system, and the medical image data sharing method program based on the blockchain technology and the interplanetary file system, when executed by the processor, implements the following steps:
medical institutions participating in medical image data sharing respectively establish a block chain node and an interplanetary file system node;
acquiring original medical image data regularly for preprocessing, and outputting a result as primary medical image data; further carrying out classification processing, and outputting a result as secondary medical image data;
synchronously uploading the secondary medical image data to an interplanetary file system, and converting the secondary medical image data into an interplanetary file system file;
calculating a hash value of the interplanetary file system file corresponding to the secondary medical image data to generate a hash address;
the hash addresses are sorted and gathered, a hash address library is established and written into a block chain network;
and setting a medical image data sharing platform, and acquiring operation authority by logging in a medical institution, wherein the operation authority comprises sharing medical image data and initiating a medical image data request.
It should be noted that, in the present invention, the medical institution participating in medical image data sharing forms a blockchain alliance-link network by creating blockchain nodes; the block chain network adopts a consensus mechanism of PoW, PoS or DPoS.
In this scheme, the preprocessing specifically includes: according to the judgment standard of the effectiveness of medical image data in the industry, screening is carried out based on three basic parameters of resolution, size and color, and repeated and invalid medical image data are deleted.
It should be noted that, in the invention, the judgment standard of the data validity of the medical image in the industry scientifically sets the threshold value of the relevant parameter as the screening scale, and the data validity can be improved by repeating the screening for many times in the screening process.
In the scheme, the secondary medical image data needs to be sliced when being converted into the interplanetary file system file, and is divided into n secondary medical image data blocks and stored as n interplanetary file system objects.
It should be noted that the size of the interplanetary file system object in the present invention is 256K B, and the interplanetary file system object may also include links connecting other interplanetary file system objects while storing data; the n is a natural number, and the specific numerical value of the n depends on the size of the secondary medical image data.
In the scheme, when the medical image data sharing operation process is in progress, the hash value obtained by calculating the corresponding interplanetary file system file of the secondary medical image data needs to be fed back and fed back to the medical image data sharing platform.
It should be noted that, in the present invention, the hash value obtained by calculating the interplanetary file system file corresponding to the secondary medical image data is transmitted back and fed back to the medical image data sharing platform, and then downloaded and stored in the local database as a backup.
In the scheme, the hash address library of the interstellar file system file corresponding to the secondary medical image data needs to be encrypted through a public key of a data source medical institution before being uploaded and synchronized to the blockchain network.
It should be noted that, in the present invention, the private key of the data source medical institution is uniformly written into the intelligent block chain contract when the medical institution creates a block chain node and joins the alliance chain network.
In the scheme, the medical institution registers basic information through the medical image data sharing platform, so that an account ID, authority and attribute judgment result issued by the platform is obtained, the account ID, the authority and the attribute judgment result are further sent to the certification center CA for verification, and the certification center CA generates a private key for the medical institution after the verification is passed and sends the private key to the medical institution.
It should be noted that, the certificate authority CA in the present invention issues the private key to the medical institution in a quantum key distribution manner, and if the private key is eavesdropped or intercepted during the key distribution process, based on the characteristics of the quantum key distribution manner, the eavesdropping behavior will be perceived by both communicating parties, and the certificate authority CA will invalidate the eavesdropped or intercepted private key and issue a new private key in addition until the issuing process is safe.
In this scheme, the specific process of the medical institution initiating a medical image data request and further obtaining target medical image data is as follows: a medical institution serving as a medical image data demand party initiates a medical image data request through a medical image data sharing platform; the medical image data sharing platform analyzes and verifies the medical image data request of the medical image data demand party to acquire the unique identifier of the requested medical image data; after the verification is passed, the medical image data sharing platform initiates a target medical image data request to the blockchain network; after receiving the target medical image data request, the block chain network immediately broadcasts the request to all nodes in the block chain; if the node which achieves the consensus exists and the response of the node is received, calling a first intelligent contract, decrypting a Hash address base corresponding to the requested medical image data by using a private key of a data source medical institution, synchronously sending the Hash address base to a medical image data sharing platform, calling a specific Hash address corresponding to the requested medical image data by the medical image data sharing platform, and then connecting an interplanetary file system for Hash address retrieval to obtain the requested target medical image data; and if no node which achieves the consensus exists, returning a message of requesting invalidity to the medical image data sharing platform.
It should be noted that, in the present invention, after the requested target medical image data is obtained through retrieval, a second intelligent contract is required to be invoked to encrypt the requested target medical image data by using the public key of the medical image data requesting party, and then the encrypted data is sent to the medical image data sharing platform and decrypted by the medical image data requesting party.
In the scheme, the medical image data sharing system based on the block chain technology and the interplanetary file system comprises a medical image data acquisition module, a medical image data processing module, a medical image data transmission module, a data storage module, a block chain management module, a block chain connection module, a block chain storage module, an interplanetary file system connection module and a communication protocol module.
In a third aspect of the present invention, a computer-readable storage medium is disclosed, wherein the computer-readable storage medium includes a program of a medical image data sharing method based on a blockchain technique and an interplanetary file system of a machine, and when the program of the medical image data sharing method based on the blockchain technique and the interplanetary file system is executed by a processor, the steps of the medical image data sharing method based on the blockchain technique and the interplanetary file system are implemented.
The invention discloses a medical image data sharing method, a medical image data sharing system and a readable storage medium based on a block chain technology and an interplanetary file system.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units; can be located in one place or distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: a mobile storage device, 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.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several 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 methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
Claims (10)
1. A medical image data sharing method based on a block chain technology and an interplanetary file system is characterized by comprising the following steps:
medical institutions participating in medical image data sharing respectively establish a block chain node and an interplanetary file system node;
acquiring original medical image data regularly for preprocessing, and outputting a result as primary medical image data; further carrying out classification processing, and outputting a result as secondary medical image data;
synchronously uploading the secondary medical image data to an interplanetary file system, and converting the secondary medical image data into an interplanetary file system file;
calculating a hash value of the interplanetary file system file corresponding to the secondary medical image data to generate a hash address;
the hash addresses are sorted and gathered, a hash address library is established and written into a block chain network;
and setting a medical image data sharing platform, and acquiring operation authority by logging in a medical institution, wherein the operation authority comprises sharing medical image data and initiating a medical image data request.
2. The method according to claim 1, wherein the preprocessing specifically comprises: according to the judgment standard of the effectiveness of medical image data in the industry, screening is carried out based on three basic parameters of resolution, size and color, and repeated and invalid medical image data are deleted.
3. The method as claimed in claim 1, wherein the secondary medical image data is sliced when converted into an interplanetary file system, divided into n secondary medical image data blocks and stored as n interplanetary file system objects.
4. The method according to claim 1, wherein the computed hash value of the secondary medical image data corresponding to the interplanetary file system file is fed back to the medical image data sharing platform during the operation process of sharing the medical image data.
5. The method as claimed in claim 1, wherein the secondary medical image data is encrypted by a public key of a data source medical institution before uploading to the blockchain network, the hash address library of the corresponding interplanetary file system file of the secondary medical image data is synchronized.
6. The medical image data sharing method based on the block chain technology and the interplanetary file system as claimed in claim 1, wherein the medical institution registers basic information through the medical image data sharing platform, so as to obtain an account ID, a permission and an attribute determination result issued by the platform, further sends the account ID, the permission and the attribute determination result to a certificate authority CA for verification, and after the verification is passed, the certificate authority CA generates a private key for the medical institution and sends the private key to the medical institution.
7. The method for sharing medical image data based on blockchain technology and interplanetary file system according to claim 1, wherein the medical institution initiates the medical image data request, and the specific process for further obtaining the target medical image data is as follows: a medical institution serving as a medical image data demand party initiates a medical image data request through a medical image data sharing platform; the medical image data sharing platform analyzes and verifies the medical image data request of the medical image data demand party to acquire the unique identifier of the requested medical image data; after the verification is passed, the medical image data sharing platform initiates a target medical image data request to the blockchain network; after receiving the target medical image data request, the block chain network immediately broadcasts the request to all nodes in the block chain; if the node which achieves the consensus exists and the response of the node is received, calling a first intelligent contract, decrypting a Hash address base corresponding to the requested medical image data by using a private key of a data source medical institution, synchronously sending the Hash address base to a medical image data sharing platform, calling a specific Hash address corresponding to the requested medical image data by the medical image data sharing platform, and then connecting an interplanetary file system for Hash address retrieval to obtain the requested target medical image data; and if no node which achieves the consensus exists, returning a message of requesting invalidity to the medical image data sharing platform.
8. A medical image data sharing system based on a blockchain technology and an interplanetary file system, comprising a memory and a processor, wherein the memory includes a medical image data sharing method program based on the blockchain technology and the interplanetary file system, and the medical image data sharing method program based on the blockchain technology and the interplanetary file system realizes the following steps when the processor executes the program:
medical institutions participating in medical image data sharing respectively establish a block chain node and an interplanetary file system node;
acquiring original medical image data regularly for preprocessing, and outputting a result as primary medical image data; further carrying out classification processing, and outputting a result as secondary medical image data;
synchronously uploading the secondary medical image data to an interplanetary file system, and converting the secondary medical image data into an interplanetary file system file;
calculating a hash value of the interplanetary file system file corresponding to the secondary medical image data to generate a hash address;
the hash addresses are sorted and gathered, a hash address library is established and written into a block chain network;
and setting a medical image data sharing platform, and acquiring operation authority by logging in a medical institution, wherein the operation authority comprises sharing medical image data and initiating a medical image data request.
9. The system of claim 8, wherein the system comprises a medical image data acquisition module, a medical image data processing module, a medical image data transmission module, a data storage module, a blockchain management module, a blockchain connection module, a blockchain storage module, an interplanetary file system connection module, and a communication protocol module.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a program of a blockchain technique and interplanetary file system based medical image data sharing method of a machine, which when executed by a processor implements the steps of a blockchain technique and interplanetary file system based medical image data sharing method of any one of claims 1 to 7.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112988674A (en) * | 2021-03-12 | 2021-06-18 | 平安国际智慧城市科技股份有限公司 | Method and device for processing big data file, computer equipment and storage medium |
| CN113098938A (en) * | 2021-03-25 | 2021-07-09 | 卓尔智联(武汉)研究院有限公司 | Video sharing method and device and electronic equipment |
| CN113409144A (en) * | 2021-06-18 | 2021-09-17 | 东北大学 | Block chain data transaction method with privacy protection |
| CN115996151A (en) * | 2023-03-22 | 2023-04-21 | 中南大学 | Electronic medical data sharing method, system, equipment and medium |
-
2020
- 2020-08-20 CN CN202010843945.5A patent/CN112286872A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112988674A (en) * | 2021-03-12 | 2021-06-18 | 平安国际智慧城市科技股份有限公司 | Method and device for processing big data file, computer equipment and storage medium |
| CN113098938A (en) * | 2021-03-25 | 2021-07-09 | 卓尔智联(武汉)研究院有限公司 | Video sharing method and device and electronic equipment |
| CN113098938B (en) * | 2021-03-25 | 2022-07-12 | 卓尔智联(武汉)研究院有限公司 | Video sharing method and device and electronic equipment |
| CN113409144A (en) * | 2021-06-18 | 2021-09-17 | 东北大学 | Block chain data transaction method with privacy protection |
| CN113409144B (en) * | 2021-06-18 | 2024-03-22 | 东北大学 | Blockchain data transaction method with privacy protection function |
| CN115996151A (en) * | 2023-03-22 | 2023-04-21 | 中南大学 | Electronic medical data sharing method, system, equipment and medium |
| CN115996151B (en) * | 2023-03-22 | 2023-06-16 | 中南大学 | Electronic medical data sharing method, system, equipment and medium |
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