CN107360158B - A kind of medical treatment client access authority control method and system - Google Patents
A kind of medical treatment client access authority control method and system Download PDFInfo
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- CN107360158B CN107360158B CN201710560237.9A CN201710560237A CN107360158B CN 107360158 B CN107360158 B CN 107360158B CN 201710560237 A CN201710560237 A CN 201710560237A CN 107360158 B CN107360158 B CN 107360158B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0853—Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3234—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving additional secure or trusted devices, e.g. TPM, smartcard, USB or software token
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
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- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The application provides a kind of medical client access authority control method and system, and be related to medical information control field, which comprises step S1: image capture device acquires image data, and uploads onto the server；Step S2: user hand generator terminal and server establish exit passageway；Step S3: identity information is verified with case record；Step S4: user hand generator terminal carries out data transmission with server；Step S5: when meeting predetermined conditions, start corresponding image processing method.The medical client access authority control method and system that the application proposes, by increasing verifying device between user mobile phone and server, so that user and medical data storage are safer, also calculated by data convert algorithm, so that the image of data transmission has preferable reduction degree, enhance user experience.
Description
Technical field
This application involves medical information control fields, more particularly to a kind of medical client access authority control method
And system.
Background technique
Demand of the current people to medical treatment is continuously increased, however, the informationization of medical institutions, procedure program need
It improves, also reaches the level of external colleague far away.The reason of causing this situation mainly has: the number between user and medical institutions
According to can not intercommunication；Hospital internal, hospital's effect of communicating with client are not ideal enough；Between medical institutions, the medical treatment number of same patient
It can not be shared according to, personal health archives.Mobile application is related to the diversity of technology and the complexity of implementation simultaneously, in certain journey
Portable medical on degree also to " ubiquitous " is provided with obstacle.Existing some portable medical Information System Solutions
Function is relatively easy, can not really realize real-time mobile application, can more or less be limited by geographically, the intelligence of system
Change degree and opening are also to be improved.
Portable medical service significantly improves the accessibility of medical services because of its convenient, flexible feature.Past, people
Hospital can only be gone to see a doctor, but portable medical service will change these traditional pattern of lifes.People can be with real-time on-site
The suggestion or various information relevant to own health of ground acquisition doctor, it might even be possible to directly obtain tele-medicine.It is mobile
Medical services can save a large number of users and the time of hospital's medical treatment and cost is gone to (to be such as lined up the time of generation, register, hand over
The logical cost generated), real-time medical monitoring can preferably guide people to form good living habit, and change is cured the disease as diseases prevention,
Therefore, portable medical service has very big potential value.
But in the prior art, there is no a kind of good medical server access right control method, compel so that doctor
It treats information system and is constantly in the lower stage, such as reserve, register or obtain information.
Simultaneously because containing a large amount of image/picture in medical information, these image/pictures sentence diagnostic result
Break most important, while these image/pictures are also the significant data that patient is concerned about, but picture quality in present technology
How loss improves the display quality of image/picture medical information and the data volume for reducing transmission is one and asks than more serious
Topic.
Summary of the invention
To solve the above-mentioned problems, the application provides a kind of medical client access authority control method and system.
A kind of medical client access authority control system is claimed in the application, comprising:
Intelligent case record, user hand generator terminal and service device end；
The user hand generator terminal is connect with the server end, and the intelligence case record is connect with mobile phone terminal；
The intelligence case record is used to carry out server end access mandate to the user hand generator terminal；
The intelligence case record includes processor, communication device, security setting, memory and shell；
The processor is electrically connected with the communication device, the security setting and the memory, and is arranged in shell
It is interior；
The shell includes upper housing, lower case and multiple disposable pinnings；
The upper housing is fixed by the multiple disposable pinning with the lower case and is integrated；
User to the access of server end and reads permission using security module control user hand generator terminal；
The security setting includes one of physical button, PIN code input device, biometric identifier or a variety of；
The memory includes safe storage and user memory；
The safe storage is for storing security information, and the user memory is for storing user information and acquisition
The server of data and diagnostic message stores information；
The security information includes one of communication code key, secure payment information or a variety of；
The mobile phone terminal is for accessing server end, and the number according to the storage of intelligent case history card information reading service device end
According to；
The user hand generator terminal includes processing module, communication module, display module and storage chip；
The processing module is electrically connected with the communication module, the display module and the storage chip；
The communication module includes one of NFC communication module and mobile communication module or a variety of；
The storage chip includes safety chip, application memory chip；
The application memory chip includes user's application memory chip and trusted applications storage chip；
The application memory chip is for storing ordinary user's application, and the trusted applications storage chip is for storing system
System security application；
The server end is awarded for storing user data, diagnostic message and medical treatment acquisition data by intelligent case record
Power gives above-mentioned data transmission to user hand generator terminal.
Wherein server end calculates compression ratio to the requested medical image data of user hand generator terminal, uses the pressure of acquisition
Contracting starts corresponding image processing method than compressed data, while when meeting predetermined conditions.
Wherein, when the long-range reading service device client information in mobile phone user end, the information and mobile phone that server end record is read are used
The facility information at family end.
Wherein, server end is additionally provided with counter module, and it is long-range reading times that counter, which is arranged, works as user
It is more than limited number of times that mobile phone terminal, which accesses server number, then is alerted, and to administrator's sending device number and user information.
Wherein, the server judges the user hand generator terminal security context of access when receiving access request,
Judge whether to reach requirement.
Wherein, a space is established in the memory block of intelligent case record as access record storage area, for recording intelligence
The record of swiping the card of energy case record, interactive facility information.
Wherein, the server pre-establishes database, preserves the characteristic of medical image, each category feature number
According to being all corresponding with compression ratio；Server obtains medical image according to the request of user hand generator terminal；Server extracts the medical treatment of request
The feature of image, by the characteristic of the medical image saved in the characteristic of the medical image of the request of acquisition and database
According to being compared, n compression ratio is obtained, calculates overall compression ratio R using n compression ratio；
Compression ratio is wherein obtained according to the following formula:
R is overall compression ratio, CiFor the compression ratio of ith feature data, WiFor i-th previously given characteristic
Ratio shared by compression ratio, in which:
The medical image that server is obtained using overall compression ratio R compression user hand generator terminal request, and by the doctor after compression
It treats image and is sent to user hand generator terminal.
A kind of medical client access authority control method is also claimed in the application, comprising:
Step S1: image capture device acquires image data, and uploads onto the server；
Step S2: user hand generator terminal and server establish exit passageway；
Step S3: identity information is verified with case record；
Step S4: user hand generator terminal carries out data transmission with server；
Step S5: when meeting predetermined conditions, start corresponding image processing method.
Wherein, step S2, user hand generator terminal and server establish exit passageway, comprising:
Step S201: user hand generator terminal sends access request to server；
Step S202: server judges whether there is the public key communicated with user hand generator terminal, if there is thening follow the steps
S204, it is no to then follow the steps S203；
Step S203: server generates public private key pair；
Step S204: server sends public key to user hand generator terminal；
Step S205: user hand generator terminal generates random number, is used as session code key, encrypts session code key with server public key；
Step S206: user hand generator terminal sends the session code key of public key encryption to server；
Step S207: server is decrypted to obtain user hand generator terminal session code key with private key, completes certification；
Step S208: user hand generator terminal and server establish exit passageway.
Wherein, identity information step S3, is verified with case record, comprising:
Step S301: by case record close to user hand generator terminal；
Step S302: user hand generator terminal issues data interaction request to case record by the non-switched T unit of case record；
Step S303: case record prompts user to carry out card user's safety verification；
Step S304: judging whether user operates, no to then follow the steps S303 if it is thening follow the steps S305；
Step S305: judge operation whether by verifying, it is no to then follow the steps S303 if it is thening follow the steps S306；
Step S306: case record checking request rear line mobile phone terminal replys server code key；
Step S307: user hand generator terminal completes access server authorization.
Wherein, step S4: user hand generator terminal carries out data transmission with server.Including following sub-step:
Step S401: server pre-establishes database, preserves the characteristic of medical image, each category feature number
According to being all corresponding with compression ratio；
Step S402: server obtains medical image according to the request of user hand generator terminal；
Step S403: server extracts the feature of the medical image of request；
Step S404: by the medical image saved in the characteristic of the medical image of the request of acquisition and database
Characteristic is compared, and obtains n compression ratio, calculates overall compression ratio R using n compression ratio；
Compression ratio is wherein obtained according to the following formula:
R is overall compression ratio, CiFor the compression ratio of ith feature data, WiFor i-th previously given characteristic
Ratio shared by compression ratio, in which:
Step S405: the medical image obtained using overall compression ratio R compression user hand generator terminal request, and will be after compression
Medical image be sent to user hand generator terminal.
A kind of medical client access authority control method and system that above-mentioned the application proposes, obtain following technology
Effect:
1, medical client access authority control method and system that the application proposes, by user mobile phone and service
Verifying device is increased between device, so that user and medical data storage are safer.
2, medical client access authority control method and system that the application proposes, are calculated by data convert algorithm,
So that the image of data transmission has preferable reduction degree, enhance user experience.
3, the medical client access authority control system that the application proposes, due to consideration that the data volume of medical image
Greatly and network congestion problem, therefore client can be brought and better use experience.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments as described in this application can also be obtained according to these attached drawings it for those of ordinary skill in the art
His attached drawing.
Fig. 1 is the structural schematic diagram of the application medical treatment client access authority control system；
Fig. 2 is the structural schematic diagram of the application intelligence case record；
Fig. 3 is the structural schematic diagram of the application user hand generator terminal；
Fig. 4 is the flow chart of the application medical treatment client access authority control method；
Fig. 5 is the method flow diagram that the application user hand generator terminal and server establish connection；
Fig. 6 is the method flow diagram that the application verifies identity information with case record.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
The application proposes a kind of medical client access authority control system, as shown in Figure 1, comprising:
Intelligent case record 1, user hand generator terminal 2 and server end 3；
User hand generator terminal 2 is connect with 3 end of server, and intelligent case record 1 is connect with mobile phone terminal 2；
Intelligent case record 1 is used to carry out 3 access mandate of server end to the user hand generator terminal 2；
As shown in Fig. 2, intelligent case record 1 includes processor 11, communication device 12, security setting 13, memory 14 and outer
Shell 15；
Processor 11 is electrically connected with communication device 12, security setting 13 and memory 14, and is arranged in shell 15；
Shell 15 includes upper housing, lower case and multiple disposable pinnings；
Upper housing is fixed by multiple disposable pinnings with the lower case and is integrated；
User controls user hand generator terminal 2 to the access of server end 3 using security setting 13 and reads permission；
Security setting 13 include but is not limited to physical button, PIN code input device, one of biometric identifier or
It is a variety of；
The communication device 12 of intelligent case record is NFC communication device in the present embodiment, and security setting 13 is fingerprint recognition
Device, when mobile phone terminal issues server end access request, server end issues checking request to mobile phone terminal, and user will intelligence disease
The NFC antenna that card is gone through close to mobile phone carries out data interaction, after intelligent case record and mobile phone terminal carry out basic authentication, prompts
User operates on Fingerprint Identification Unit, and smart card is forwarded the data of encryption by mobile phone terminal after through user's checking
To server end, server end parsing data obtain identity information, and corresponding permission is read in server database,
The data of needs are sent to mobile phone terminal；
One piece of common data exchange area can also be divided in the data space of server, verify user terminal
After identity information, the data copy that mobile phone terminal is needed to public affair data exchange zone, allow mobile phone terminal arbitrarily read modification
Data in public affair data exchange zone reset public affair data exchange zone after mobile phone terminal disconnects, and empty all data.
Memory 14 includes safe storage and user memory；
Safe storage is for storing security information, and user memory is for storing user information and acquisition data and examining
The server of disconnected information stores information；
Security information includes but is not limited to communicate one of code key, secure payment information or a variety of；
A memory space be can establish in the memory block of intelligent case record 1 as access record storage area, for remembering
Record the record of swiping the card of intelligent case record, interactive facility information.
The above-mentioned intelligent case record introduction about the construction in the application medical treatment client access authority control system, is situated between below
Mobile phone terminal in the medical client access authority control system that continues；
Mobile phone terminal 2 is for accessing server end 3, and the number according to the storage of intelligent 1 information reading service device end 3 of case record
According to；
As shown in figure 3, user hand generator terminal 2 includes processing module 21, communication module 22, display module 23 and storage chip
24；
Processing module 21 is electrically connected with communication module 22, display module 23 and storage chip 24；
Communication module 22 includes but is not limited to one of NFC communication module and mobile communication module or a variety of；
Storage chip 24 includes safety chip, application memory chip；
Application memory chip includes user's application memory chip and trusted applications storage chip；
Application memory chip is answered safely for storing ordinary user's application, trusted applications storage chip for storage system
With；
Server end 3 is authorized for storing user data, diagnostic message and medical treatment acquisition data by intelligent case record 1
By above-mentioned data transmission to user hand generator terminal 2.
Server end 3 is additionally provided with counter module, and it is long-range reading times that counter, which is arranged, works as user mobile phone
End access server number is more than limited number of times, then is alerted, and to administrator's sending device number and user information.
When 2 long-range reading service device 3 information of end of user hand generator terminal, information and user mobile phone that server end record is read
The facility information at end 2.
Server end 3 judges 2 security context of user hand generator terminal of access when receiving access request, judges
Whether requirement is reached.When reaching requirement, image is transmitted from server to user hand generator terminal.
Server pre-establishes database, preserves the characteristic of medical image, and each category feature data are all corresponding with
Compression ratio；Server obtains medical image according to the request of user hand generator terminal；Server extracts the spy of the medical image of request
Sign.
The feature of medical image includes classification of image, such as B ultrasound image, color ultrasonic image, X-ray picture etc., image
Textural characteristics, color characteristic, spatial relation characteristics.
Server is by the feature of the medical image saved in the characteristic of the medical image of the request of acquisition and database
Data are compared, and obtain n compression ratio, calculate overall compression ratio R using n compression ratio；
Compression ratio is wherein obtained according to the following formula:
R is overall compression ratio, CiFor the compression ratio of ith feature data, WiFor i-th previously given characteristic
Ratio shared by compression ratio, in which:
The medical image that server is obtained using overall compression ratio R compression user hand generator terminal request, and by the doctor after compression
It treats image and is sent to user hand generator terminal.
Further, server when meeting predetermined conditions, starts corresponding image processing method.Include:
Server judges whether compression ratio is greater than threshold value, if it is greater than threshold value, then executes image comparison method.
Threshold value is set according to existing network condition, when compression ratio is greater than threshold value, will be asked so that transmitting and existing
Topic.Therefore, it is necessary to reduce transmission quantity according to image comparison method, wherein image comparison method includes:
The medical image A that the request of active user's mobile phone terminal the obtains medical treatment obtained with the request of user mobile phone end before is schemed
Picture B is compared to pair, if the consistency compared is greater than previously given threshold value, only transfer ratio is to inconsistent part.
By above-mentioned image comparison method, image transmitting amount can be significantly reduced, this is because user often requests to pass
The image of multiple defeated difference very littles, to confirm lesion or the verifying state of an illness.
Or if the Bian that server reduces image solves bit rate, and reduces when user feedback image serious distortion
Data packet splits quantity and increases the size of single data packet.
Image data is stored in clothes having acquired from image capture device (such as CT, MRI, B ultrasound acquire equipment) to transmission
It is engaged in device, then read display to user hand generator terminal, will cause a certain amount of image information distortion.
Such as image, by being collapsed into electronic image files, can generate compression of images distortion after the completion of acquisition；?
When data are sent to server end from acquisition equipment, image transmitting distortion can be generated；Image is being read from server to hand
When generator terminal, image transmitting distortion can be also generated；Image is re-used as image in mobile phone terminal to show, can also generate compression
Distortion.
The distortion of image information, is calculated using the following equation figure when in order to reduce the storage of user hand generator terminal reading service device
Shape distortion:
DALL=Dbase+Dlost (1)
Wherein, DALLTo read overall distortion when image, DbaseFor the distortion of pressure source basis, DlostIt is lost for transmission packet loss
Very, it is calculated using the following equation the distortion of pressure source basis:
Wherein, D0For the original code value of image, V is current encoding rate, V0For basic code rate, using following formula meter
Calculate transmission packet loss distortion:
Wherein, the data package size split when n is image transmitting, the data packet number that a is split when being image transmitting, b are
The confirmation data packet that user hand generator terminal returns when image is transmitted to user hand generator terminal from server end.
As can be seen that needing to reduce the Bian solution bit rate of image to reduce the distortion of image, and reduce data packet
Split and increase the size of single data packet；The Bian solution bit rate for reducing image can reduce the distortion of pressure source basis, reduce
The size that data packet split and increased single data packet can reduce transmission packet loss distortion.
Bian by reducing image solves bit rate, and reduces the size that data packet splits and increases single data packet,
Image fault is reduced, image display effect is improved.
The medical client access authority control system for describing the application proposition according to Fig. 1-3 above, below according to figure
4-6 introduces the medical client access authority control method of the application proposition.
The medical client access authority control method that the application proposes, as shown in Figure 4, comprising:
Step S1: image capture device acquires image data, and uploads onto the server；
Image capture device (such as CT, MRI, B ultrasound acquire equipment) acquisition image data, and transmit and be stored in server
In.
Step S2: user hand generator terminal and server establish exit passageway；
As shown in figure 5, step S2, user hand generator terminal and server establish exit passageway, comprising:
Step S201: user hand generator terminal sends access request to server；
Step S202: server judges whether there is the public key communicated with user hand generator terminal, if there is thening follow the steps
S204, it is no to then follow the steps S203；
Step S203: server generates public private key pair；
Step S204: server sends public key to user hand generator terminal；
Step S205: user hand generator terminal generates random number, is used as session code key, encrypts session code key with server public key；
Step S206: user hand generator terminal sends the session code key of public key encryption to server；
Step S207: server is decrypted to obtain user hand generator terminal session code key with private key, completes certification；
Step S208: user hand generator terminal and server establish exit passageway.
Step S3: identity information is verified with case record；
As shown in fig. 6, step S3, with case record verify identity information, comprising:
Step S301: by case record close to user hand generator terminal；
Step S302: user hand generator terminal issues data interaction request to case record by the non-switched T unit of case record；
Step S303: case record prompts user to carry out card user's safety verification；
Step S304: judging whether user operates, no to then follow the steps S303 if it is thening follow the steps S305；
Step S305: judge operation whether by verifying, it is no to then follow the steps S303 if it is thening follow the steps S306；
Step S306: case record checking request rear line mobile phone terminal replys server code key；
Step S307: user hand generator terminal completes access server authorization.
Step S4: user hand generator terminal carries out data transmission with server.Including following sub-step:
Step S401: server pre-establishes database, preserves the characteristic of medical image, each category feature number
According to being all corresponding with compression ratio；
Step S402: server obtains medical image according to the request of user hand generator terminal；
Step S403: server extracts the feature of the medical image of request；
The feature of medical image includes classification of image, such as B ultrasound image, color ultrasonic image, X-ray picture etc., image
Textural characteristics, color characteristic, spatial relation characteristics.
Step S404: by the medical image saved in the characteristic of the medical image of the request of acquisition and database
Characteristic is compared, and obtains n compression ratio, calculates overall compression ratio R using n compression ratio；
Compression ratio is wherein obtained according to the following formula:
R is overall compression ratio, CiFor the compression ratio of ith feature data, WiFor i-th previously given characteristic
Ratio shared by compression ratio, in which:
Step S405: the medical image obtained using overall compression ratio R compression user hand generator terminal request, and will be after compression
Medical image be sent to user hand generator terminal.
Step S5: when meeting predetermined conditions, start corresponding image processing method.Including following sub-step:
Step S501: judging whether compression ratio is greater than threshold value, if it is greater than threshold value, then executes image comparison method.
Threshold value is set according to existing network condition, when compression ratio is greater than threshold value, will be asked so that transmitting and existing
Topic.Therefore, it is necessary to reduce transmission quantity according to image comparison method, wherein image comparison method includes:
The medical image A that the request of active user's mobile phone terminal the obtains medical treatment obtained with the request of user mobile phone end before is schemed
Picture B is compared to pair, if the consistency compared is greater than previously given threshold value, only transfer ratio is to inconsistent part.
By above-mentioned image comparison method, image transmitting amount can be significantly reduced, this is because user often requests to pass
The image of multiple defeated difference very littles, to confirm lesion or the verifying state of an illness.
Step S502: if when user feedback image serious distortion, reducing the Bian solution bit rate of image, and number is reduced
Quantity is split according to packet and increases the size of single data packet.
Image data is stored in clothes having acquired from image capture device (such as CT, MRI, B ultrasound acquire equipment) to transmission
It is engaged in device, then read display to user hand generator terminal, will cause a certain amount of image information distortion.
Such as image, by being collapsed into electronic image files, can generate compression of images distortion after the completion of acquisition；?
When data are sent to server end from acquisition equipment, image transmitting distortion can be generated；Image is being read from server to hand
When generator terminal, image transmitting distortion can be also generated；Image is re-used as image in mobile phone terminal to show, can also generate compression
Distortion.
The distortion of image information, is calculated using the following equation figure when in order to reduce the storage of user hand generator terminal reading service device
Shape distortion:
DALL=Dbase+Dlost (1)
Wherein, DALLTo read overall distortion when image, DbaseFor the distortion of pressure source basis, DlostIt is lost for transmission packet loss
Very, it is calculated using the following equation the distortion of pressure source basis:
Wherein, D0For the original code value of image, V is current encoding rate, V0For basic code rate, using following formula meter
Calculate transmission packet loss distortion:
Wherein, the data package size split when n is image transmitting, the data packet number that a is split when being image transmitting, b are
The confirmation data packet that user hand generator terminal returns when image is transmitted to user hand generator terminal from server end.
As can be seen that needing to reduce the Bian solution bit rate of image to reduce the distortion of image, and reduce data packet
Split and increase the size of single data packet；The Bian solution bit rate for reducing image can reduce the distortion of pressure source basis, reduce
The size that data packet split and increased single data packet can reduce transmission packet loss distortion.
Bian by reducing image solves bit rate, and reduces the size that data packet splits and increases single data packet,
Image fault is reduced, image display effect is improved.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, although
The present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention
Any simple modification, equivalent change and modification to the above embodiments still fall within the range of technical solution of the present invention
It is interior.
Claims (8)
1. a kind of medical treatment client access authority control system characterized by comprising
Intelligent case record, user hand generator terminal and service device end；
The user hand generator terminal is connect with the server end, and the intelligence case record is connect with mobile phone terminal；
The intelligence case record is used to carry out server end access mandate to the user hand generator terminal；
The intelligence case record includes processor, communication device, security setting, memory and shell；
The processor is electrically connected with the communication device, the security setting and the memory, and is arranged inside the shell；
The shell includes upper housing, lower case and multiple disposable pinnings；
The upper housing is fixed by the multiple disposable pinning with the lower case and is integrated；
User to the access of server end and reads permission using security module control user hand generator terminal；
The security setting includes one of physical button, PIN code input device, biometric identifier or a variety of；
The memory includes safe storage and user memory；
The safe storage for storing security information, the user memory for store user information and acquisition data and
The server end of diagnostic message stores information；
The security information includes one of communication code key, secure payment information or a variety of；
The mobile phone terminal is for accessing server end, and the data according to the storage of intelligent case history card information reading service device end；
The user hand generator terminal includes processing module, communication module, display module and storage chip；
The processing module is electrically connected with the communication module, the display module and the storage chip；
The communication module includes one of NFC communication module and mobile communication module or a variety of；
The storage chip includes safety chip, application memory chip；
The application memory chip includes user's application memory chip and trusted applications storage chip；
The application memory chip is for storing ordinary user's application, and the trusted applications storage chip is for storage system safety
Using；
The server end, will by intelligent case record authorization for storing user data, diagnostic message and medical treatment acquisition data
Above-mentioned data transmission gives user hand generator terminal；
Wherein server end calculates compression ratio to the requested medical image data of user hand generator terminal, uses the compression ratio pressure of acquisition
Contracting data, while when meeting predetermined conditions, start corresponding image processing method；
The server end pre-establishes database, preserves the characteristic of medical image, and each category feature data are all corresponding
There is compression ratio；Server end obtains medical image according to the request of user hand generator terminal；Server end extracts the medical image of request
Feature, the characteristic of the medical image saved in the characteristic of the medical image of the request of acquisition and database is carried out
It compares, obtains n compression ratio, calculate overall compression ratio R using n compression ratio；
Compression ratio is wherein obtained according to the following formula:
R is overall compression ratio, CiFor the compression ratio of ith feature data, WiFor the compression of previously given ith feature data
Ratio shared by ratio, in which:
The medical image that server end is obtained using overall compression ratio R compression user hand generator terminal request, and by the medical treatment after compression
Image is sent to user hand generator terminal.
2. medical treatment client access authority control system as described in claim 1, which is characterized in that user hand generator terminal is remotely read
When taking server information, the facility information of information and mobile phone user end that server end record is read.
3. medical treatment client access authority control system as described in claim 1, which is characterized in that server end is additionally provided with
Counter module, and it is long-range reading times that counter, which is arranged, when user hand generator terminal access server end number is more than limitation
Number is then alerted, and to administrator's sending device number and user information.
4. medical treatment client access authority control system as described in claim 1, which is characterized in that the server end is connecing
The user hand generator terminal security context of access is judged when receiving access request, judges whether to reach requirement.
5. medical treatment client access authority control system as described in claim 1, which is characterized in that in depositing for intelligent case record
A space is established in storage area as access record storage area, for recording the record of swiping the card of intelligent case record, interactive equipment
Information.
6. a kind of medical treatment client access authority control method characterized by comprising
Step S1: image capture device acquires image data, and end of uploading onto the server；
Step S2: user hand generator terminal and server end establish exit passageway；
Step S3: identity information is verified with case record；
Step S4: user hand generator terminal carries out data transmission with server end；
Step S5: when meeting predetermined conditions, start corresponding image processing method；
Step S4: user hand generator terminal carries out data transmission with server end, including following sub-step:
Step S401: server end pre-establishes database, preserves the characteristic of medical image, each category feature data are all
It is corresponding with compression ratio；
Step S402: server end obtains medical image according to the request of user hand generator terminal；
Step S403: server end extracts the feature of the medical image of request；
Step S404: by the characteristic of the medical image saved in the characteristic of the medical image of the request of acquisition and database
According to being compared, n compression ratio is obtained, calculates overall compression ratio R using n compression ratio；
Compression ratio is wherein obtained according to the following formula:
R is overall compression ratio, and Ci is the compression ratio of ith feature data, and Wi is the compression of previously given ith feature data
Ratio shared by ratio, in which:
Step S405: the medical image obtained using overall compression ratio R compression user hand generator terminal request, and by the medical treatment after compression
Image is sent to user hand generator terminal.
7. medical treatment client access authority control method as claimed in claim 6, which is characterized in that step S2, user mobile phone
Exit passageway is established with server end in end, comprising:
Step S201: user hand generator terminal sends access request to server end；
Step S202: server end judges whether there is the public key communicated with user hand generator terminal, no if there is thening follow the steps S204
Then follow the steps S203；
Step S203: server end generates public private key pair；
Step S204: server end sends public key to user hand generator terminal；
Step S205: user hand generator terminal generates random number, is used as session code key, with server end public key encryption session code key；
Step S206: user hand generator terminal sends the session code key of public key encryption to server end；
Step S207: server end is decrypted to obtain user hand generator terminal session code key with private key, completes certification；
Step S208: user hand generator terminal and server end establish exit passageway.
8. medical treatment client access authority control method as claimed in claim 6, which is characterized in that step S3, use case record
Verify identity information, comprising:
Step S301: by case record close to user hand generator terminal；
Step S302: user hand generator terminal issues data interaction request to case record by the non-switched T unit of case record；
Step S303: case record prompts user to carry out card user's safety verification；
Step S304: judging whether user operates, no to then follow the steps S303 if it is thening follow the steps S305；
Step S305: judge operation whether by verifying, it is no to then follow the steps S303 if it is thening follow the steps S306；
Step S306: case record checking request rear line mobile phone terminal replys server end code key；
Step S307: user hand generator terminal completes access server end authorization.
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| CN111859335A (en) * | 2020-06-30 | 2020-10-30 | 湖南科技学院 | Electronic medical record access method and device and electronic equipment |
| CN112932534B (en) * | 2021-01-27 | 2022-02-22 | 深圳华声医疗技术股份有限公司 | Ultrasonic image acquisition processing system and ultrasonic image acquisition processing method |
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| WO2005027073A1 (en) * | 2003-09-11 | 2005-03-24 | Mitsubishi Materials Corporation | Radio module, radio temperature sensor, radio interface device, and radio sensor system |
| CN104410968A (en) * | 2014-11-18 | 2015-03-11 | 王家城 | Portable universal integrated circuit card (UICC) subscriber terminal equipment and identity authentication system thereof |
| CN205644634U (en) * | 2016-05-03 | 2016-10-12 | 深圳市微付充科技有限公司 | ID card management system |
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| WO2005027073A1 (en) * | 2003-09-11 | 2005-03-24 | Mitsubishi Materials Corporation | Radio module, radio temperature sensor, radio interface device, and radio sensor system |
| CN104410968A (en) * | 2014-11-18 | 2015-03-11 | 王家城 | Portable universal integrated circuit card (UICC) subscriber terminal equipment and identity authentication system thereof |
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