CN104657928A - Medical treatment cooperation system - Google Patents
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- CN104657928A CN104657928A CN201510078063.3A CN201510078063A CN104657928A CN 104657928 A CN104657928 A CN 104657928A CN 201510078063 A CN201510078063 A CN 201510078063A CN 104657928 A CN104657928 A CN 104657928A
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Abstract
The invention provides a medical treatment cooperation system. The system comprises a medical treatment mechanism module and a medical image data sharing module, wherein the medical treatment mechanism module performs modeling based on an RBAC (role-based access control) model supporting authorization requests and comprises multiple hospital sub modules, each hospital sub module corresponds to one actual hospital, and one hospital sub module can send out a resource use request to another hospital sub module; the medical image data sharing module comprises a medical image data feature extraction sub module and a medical image data storage sub module, the medical image data feature extraction sub module receives medical image data sent by the medical treatment mechanism module, performs feature extraction on each medical image data record, marks the medical image data records, and sends the marked medical image data records to the medical image data storage sub module.
Description
Technical field
The application relates to technical field of long-distance medical, particularly relates to a kind of medical coordination system.
Background technology
China is with a vast territory, populous, large to medical resource demand.In recent years, the while that medical skill achieving the development of advancing by leaps and bounds, medical resource have also been obtained certain enriching.But wherein still there is some problems in this: the 1) development of contemporary Medical Devices technology, depend on Medical Devices auxiliary diagnosis more and more, and high-end image documentation equipment is expensive, millions of to tens million of easily, not all medical institutions all have required all devices; 2) more and more medical imaging device single pass can produce hundreds of to thousands of images now, the film that patient takes away only comprises wherein few a part of image, and parameter adjustment and three-dimensional, Dynamic Announce cannot be carried out, diagnostic value is had a greatly reduced quality, when patient transfers from one hospital to another, owing to cannot obtain raw video data, the many meetings of doctor require that patient reexamines, and unnecessary rechecking has increased the weight of the medical burden of resident further; 3) X-ray machine, ultrasonic image equipment have very high popularity rate at basic hospital, but basic medical unit famine fund, equipment, technology and the talent, people are ill all to be squeezed toward large hospital, result in large hospital " overstaffed ", basic hospital " you can catch sparrows on the doorstep "; 4) the large nuber of images data that image documentation equipment produces needs long-term preservation, domestic hospitals generally adopts image only to preserve the mode in certain time limit usually, lack the measure of remote disaster tolerance and backup, once the disaster such as breaking out of fire, earthquake, data may be caused to lose completely, cause irretrievable loss.
In view of the above problems, existing medical system urgent need is dealt with problems and is: how (1) shares advanced diagnosis and treatment machine and the outstanding doctor talent; (2) how safety and the preservation medical image data that completes more; (3) how the medical image data preserved is utilized efficiently.
Summary of the invention
In view of this, the application provides a kind of medical coordination system, comprising: medical institutions' module and medical image data sharing module, wherein
Medical institutions' module, role-base access control model modeling, wherein comprise some hospitals submodule, each hospital submodule corresponds to a hospital in reality, the user of the First Hospital submodule in described medical institutions module can send request to second hospital's submodule in described medical institutions module, after described request obtains the submodule permission of described second hospital, the user of described First Hospital submodule can preengage the equipment inspection in use second hospital submodule;
Medical image data sharing module, it receives and stores the medical image data sent from medical institutions' module, and for each hospital's submodule inquiry in described healthcare structure module.
In the application one specific embodiment, access control model is the access control model supporting the role that request is authorized, and comprises role set and authority set; Wherein: in role set, comprise one or more role;
The authority that one or more are different is comprised in authority set; Each role corresponds respectively to and one or more authority; By each user in described medical institutions respectively with one or more role association;
Described role set is by general role set and authorize role set jointly to form, general role set has Role hierarchy, and authorize role set there is no Role hierarchy, by authority-role's configuration, general Role Users obtains the authority that general role has, some general Role Users makes it have the authority creating and authorize role by configuration, by granted rights, the authority by role can be assigned to mandate role.
In the application one specific embodiment, described medical image data sharing module comprises:
Medical image data feature extraction submodule, for extract in medical image data with feature and according to described feature, described medical image data is marked;
Medical image data sub module stored, the medical image data after storage mark, and for medical organization module polls.
In the application one specific embodiment, described medical image data feature extraction submodule comprises character features and extracts submodule and image characteristics extraction submodule, described character features extract submodule be used for from medical image data with Word message in extract character features, described image characteristics extraction submodule is for extracting the characteristics of image in medical image data in image information.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the support user request used in cooperative with medical treatment management system and the RBAC model of authorizing; This medical coordination system of Fig. 2 block diagram;
Fig. 3 is role-base access control schematic diagram;
Fig. 4 is medical image data sharing module block diagram;
Fig. 5 is that medical image data feature mentions submodule block diagram.
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain, all should belong to the scope of the application's protection.
The application's specific implementation is further illustrated below in conjunction with illustrations.
Along with the develop rapidly of network technology, the cooperation between different medical structure is more and more closer, sharing of medical resource, as: doctor shares, checkout facility is shared, medical data is shared.And how to solve sharing between different institutions better, be a problem demanding prompt solution.For this reason, this application provides a kind of medical coordination system and method thereof.
First the application based on existing RBAC model, improves, and adds request and authorization.
First, the application, based on the design philosophy of RBAC model, sets up the RBAC model that support user as shown in Figure 1 asks and authorizes.With general RBAC model unlike, support request and authorize RBAC model in role.General role set has Role hierarchy, and authorizes role set not have Role hierarchy.As mentioned above, configured by role, each user in medical institutions has role, and the user having role forms Role Users collection, and by authority-role's configuration, Role Users obtains the authority that role has, thus defines role-security collection.Role Users for some level makes it be possessed of power by configuration and creates mandate role, the role-security of Role Users is assigned to by granted rights role and authorizes role, then requestor is assigned to by user-mandate role, granted rights role assigns and in subscriber authorisation role appointment process, must meet all RBAC constraints of system manager's setting.
The RBAC model that definition is supported user's request and authorized:
User, authority, general role, session, RBAC constraint define completely the same with RBAC.
Role Users: the user having role, only has Role Users just can become requestor, also only has Role Users qualifiedly could become bailee.
Role-security: the authority being assigned to role, the role-security that requestor can only ask requested person to have, can refer to all authorities of this role, be called as role-security group with role name.Do not deposit real authority in role-security, and be in operation and automatically form an authority set according to role's actual authority.Role-security group can participate in request with an overall form and authorize.
Authorize role: authorize role different from general role, by requester requests, the user having establishment authority through specifying creates, the initial time attribute of the life cycle that it has, end time attribute and activate attribute, authorize role to be only in life cycle and be activated, authorizing role could use its authority.Only have having of specifying to create to authorize the user of role-security can supervisor authority role, but also can arrange system manager carry out unified management and change the activation attribute of authorizing role.
User collects (U, Users): the set of user in system.
Authority set (P, Permission): the set of System Privileges.
General role set (GR, General Roles): the set of general role.
Authority-role configures (PA, permission-role-assignment): the relation of the appointment authority band traditional role of a multi-to-multi, PA belongs to P × GP.
User role configuration (UA, users-role-assignment): relation user being configured to general role of a multi-to-multi, UA belongs to U × GP.
Role hierarchy (RH, roles-hierarchy): the division of different levels in a role, RH belongs to GR × GR, is a partial ordering relation of GR.
Role Users collection (RU, Role-Users): the set of Role Users.
Role-security collection (RP, Role-Permission): the role-security set being assigned to role, the authority of user presses role group automatically, can with role-security group and independent authority two kinds of mode rights of using.
Authorize role set (AR, Authorization-roles): the set of authorizing role, between arbitrary two mandate roles, there is not comparability.
Granted rights role assigns (PAA, permission-authorization-roles-assignment): the appointment Role Users authority of a multi-to-multi is to the relation of authorizing role, be assigned to and authorize the authority of role different from general role in use, could must use after checked requestor possesses this authority, PAA belongs to RP × AR.
Subscriber authorisation role assigns (UAA, User-authorization-roles-assignment): the appointment Role Users of a multi-to-multi is to the relation of authorizing role, and UAA belongs to RU × AR.
Role set (R, Roles): R=GR × AR.
Authorize constraint set (Authorization Constraints): the set of authorizing constraint, constraint is authorized to be formulated by the management organization of medical institutions, the system manager specified by the management organization of medical institutions creates, for the constraint of all kinds of request Authorized operation, be used for the act of authorization of specification request authorized person.
Authorize role assignment AC collection (Authorization Role Constraints): the set of authorizing role assignment AC, authorize role assignment AC to be specially for the constraint of authorizing role to create, the condition of authorized person's rights of using can be set with it.
Session collection (S, Session): cross the session aggregation that role obtains authority for user Ou Nuo.
The RBAC model improved adds a request-authorization module on traditional RBAC model basis, this module is managed by requestor, authorized person and system manager's co-operate, request user can ask establishment one to authorize role, request has gives certain authority to this mandate orange, the user then with authorization privilege determines whether give requestor this role through examination & verification, if agree to, this creates authorized user and also gives the authority of asking, thus the operation completing request and authorize.The management of authorized user and authority is in charge of by the user with authorization privilege, and safety officer can carry out the specification request act of authorization by creating mandate constraint of overall importance.
As shown in Figure 2, a kind of medical coordination system 1 is provided in the application, wherein comprise medical institutions' module 11 and medical image data sharing module 12, wherein healthcare structure module 11 carries out modeling based on the access control model of the role of above-mentioned support request mandate, can comprise some hospitals submodule in medical institutions' module 11, each hospital submodule corresponds to a hospital in reality; Medical image data sharing module 12, it is for marking and storing the medical image data from medical institutions' module 11, and for each hospital's submodule inquiry in healthcare structure module 11.
Such as, in a hospital, can according to the constraint of all kinds of personnel in medical institutions, intrinsic diagnosis and treatment flow process and data access, be divided three classes entity: user, role, authority., but when mechanism is complicated, also comprise the mechanism such as Role hierarchy and role assignment AC in addition.Basic thought is exactly divide role according to the different task that medical system will complete, and the access rights of data are packaged in different roles, and user indirectly realizes the access to data by appointment role.In this access control, each user can be awarded multiple role, and each role also can be awarded multiple user.A same role can have multinomial authority, and an authority can distribute to multiple role.As shown in Figure 3, role and user, be all the relation of multi-to-multi between role and authority.
For several simple hospitals, several section office can be comprised, as: the departments of section office such as emergency department, internal medicine, surgery, gynemetrics, pharmacy, laboratory test department, image department, some doctors and nurse can be comprised again section indoor, comprise the roles such as pharmacists in pharmacy, certainly also comprise this role of patient.But a class role, as: doctor, can mark off different Role hierarchy again, as: institute leader, section directors, archiater, deputy director doctor, the doctor in charge, intern; Nurse also can mark off different Role hierarchy, as: institute leader, charge nurse, senior nursing sister, general duty nurse, probationer nurse, instruct nurse etc.
Certain class role is had and can configure different authorities according to different Role hierarchy, for doctor, be divided into: institute leader, section directors, archiater, deputy director doctor, the doctor in charge, intern, instruct the role of 6 levels such as doctor, configured different authorities successively:
Intern: the authority of the patient that sees and treat patients, can prescription, all kinds of checklist, but after needing to instruct doctor to agree to by it, its prescription just can come into force; The authority of consultation of doctor is instructed in request; Submit to intern hold a consultation reconsideration authority etc.
Instruct doctor: the authority of approval intern prescription, intern's request of holding a consultation, submit to intern to hold a consultation the authority of reconsideration.
Archiater, deputy director doctor, the doctor in charge: the authority of the patient that sees and treat patients, direct prescription.The authority checked; The authority etc. of the request section chamber interior consultation of doctors;
Section directors: the authority that approval section office hold a consultation, the authority etc. submitting the request of holding a consultation across section office to;
President: write instructions and transfer the authority etc. across section office's consultation of doctors.
One doctor can be configured to archiater, section directors simultaneously, instruct the authorities such as doctor.
In like manner, those skilled in the art are also known can arrange the role of other different role levels in medical institutions and the authority of each role as required.
And any personnel in medical institutions are users in model, a user can be configured to different roles and be endowed different authorities, as: a doctor can be configured to: as: institute leader, section directors, archiater, deputy director doctor, the doctor in charge, intern, instruct doctor etc. or several roles to be configured different authorities simultaneously; Or institute leader, charge nurse, senior nursing sister, general duty nurse, probationer nurse can be configured to by a nurse, instruct nurse etc. or several roles to be configured different authorities simultaneously.
When needs realize between different medical mechanism doctor share and check resource sharing time, just need based on supporting that the modified RBAC model of request-authorize arranges request authorization module.And as required different authorization privileges is configured for different users.
When adopting the RBAC model of the improvement of support request-mandate to operate, concrete licensing process can be:
The user U1 of (1) first mechanism sends request, and certain role that request is authorized in the second mechanism and some authority, also can comprise the life cycle information of this mandate role.
After receiving request in (2) second mechanisms, resolve this solicited message, analyze should the user with authorization privilege of solicited message, by this request forward to the respective user place with authorization privilege.
(3) whether the user with authorization privilege audits this request, determine to authorize.Authorize if agree to, this looks in the second mechanism creating and authorizes role, and the authority that configuration authorizes role to have, and the life cycle of this mandate role.
After authorization message is fed back to the user U1 of the first mechanism by (4) second trains of mechanism, activate this mandate role authorizing the start time of role's life cycle.
After the user U1 of (5) first mechanisms receives authorization message, associative operation can be carried out by the authority of authorizing after the start time of life cycle.
(6) when arriving the closing time of life cycle, the system manager of the second mechanism, cancels this authorized user, and notifies the first mechanism.
Certainly, in this course, institute's Prescribed Properties must be met, comprise and authorize role assignment AC, mandate constraint, other relevant RBAC to retrain.
In addition, the mandate of asking in the first mechanism can be the mandate of whole authorities of whole role in request second mechanism, as: whole authorities of the doctor in charge; Also can be the mandate of the part authority of certain role in request second mechanism, as: opening and appointment right of inspection item list.
Equally, there is in second mechanism the user of authorization privilege, both the whole requests in asking can have been agreed to, also the mandate of fine-grained part authority can be supported, that is: a part of authority in request is authorized, be easy to learn by the definition of model, authority granularity in this model is consistent with the authority granularity of RBAC model, therefore, the application both can support minimum authority granularity, that is the necessary authority completing specific function only can be given requestor by authorized person, meets principle of least privilege completely.
In addition, when present medical institutions' resource sharing is day by day close, the cooperation between some medical institutions is long-term most probably also may be interim initiation.
The application also supports that interim request is authorized respectively and authorizes with permanent.
Interim request mandate is a kind of provisional action, at some in particular cases, requestor wishes that within a certain period some authority is authorized in acquisition, the user having authorization privilege of namely above-mentioned the application, when authorizing, must set the survival period of authorizing role, only in effective survival period, the authority that grantee could use principal to give, once exceed the survival period of authorizing role, authorizes the authority in role can not be used by bailee.
If certain mechanism needs certain user in another mechanism forever to have a certain or some authority, can be set to have permanent authority of authorizing by system manager, as long as arrange enough large survival period, just can complete trust.
Still for above-mentioned two simple medical institutions, suppose that a medical institutions A is community hospital, another medical institutions B is large-scale three grades of first-class general hospital.If have a patient when mechanism's A outpatient service, the doctor of mechanism A needs to open nuclear magnetic resonance image check in view of the state of an illness of patient, but mechanism A is community hospital does not have nuclear magnetic resonance equipment, if allow patient go other can do the hospital checked go to a doctor voluntarily, the consultation time of patient will be extended, by the medical institutions' module 11 in the application, if mechanism A and mechanism B belongs to medical institutions' module 11, modeling is carried out according to the described access control model based on the role supporting request mandate, then mechanism A can by sending request, the mandate of request mechanism B, the nuclear magnetic resonance image check list in the certain hour cycle can be asked to open power and appointment right, mechanism B found that there is ability and bear this task within this time, the authority that the doctor then having the user with authorization privilege to authorize mechanism A asks, otherwise, request can be refused, the doctor of mechanism A can ask to other mechanisms that in medical institutions' module 11, other have nuclear magnetic resonance check equipment.As can be seen here, above-mentioned request-authorization is used just can efficiently to solve the problem easily.
Another embodiment, conveniently patient goes to a doctor, and some well-known doctor can be flowed and to be paid a home visit or some hospital can become helping object, and in several medical institutions, namely have the authority of the Doctor's role of certain level, this mandate can be long-term or permanent.Can by wishing that each mechanism of this tools for doctor home visit sends authorization requests to medical competent authorities, under the condition that satisfied mandate role assignment AC and mandate retrain, forever or for a long time authorize this doctor the Doctor's role of certain level in some mechanisms, as: archiater.
As previously mentioned, the medical image data that patient takes away is a part very little in image check result, is limited to the directive significance of other mechanisms doctor, and the medical image data ability that each medical institutions store separately is simultaneously limited.For this reason, contain medical image data sharing module in the medical coordination system in the application, it is for the medical image data that produces in centralized stores medical institutions module and for each hospital in medical institutions' module for the search function of medical image.
Further, for the ease of utilizing the medical image data of storage efficiently, medical image characteristic extracting module and medical image data sub module stored is further comprises in medical image data sharing module in the medical coordination system of the application, described medical image data feature extraction submodule, it receives the medical image data that medical institutions' module is sent, and before storing medical image data, for the ease of the inquiry of follow-up medical image data, also need to carry out feature to each medical image data record to mention and signature, just each medical image data record is stored in medical image data sub module stored after mark.
The process that each medical image data record marks is comprised: word marking and view data mark.
See Fig. 4, the application's traditional Chinese medicine image data sharing module 12, comprising:
Medical image data feature submodule 121, it receives the medical image data from medical institutions' module 11, and carries out feature extraction to the medical image data received, and is marked by the label of the characteristic extracted as this medical image view data.
Medical image data sub module stored 122, for the medical image data after storage mark.
The medical image data that each medical organization is sent is not only view data sometimes, also may with the descriptor of the diagnosis of doctor and image department doctor, and image descriptor and diagnostic message are the form with Word message mostly; The detailed features information of image data is then necessarily included in view data.For the ease of storage administration and feature extraction, the form of observing can be needed by the medical image data that sends of the good each medical organization of predefined, as: the content that text description comprises and form, and the pixel of view data, size and type etc.
Therefore, as shown in Figure 5, can comprise in medical image data feature submodule 121: character features extracts submodule 1211 and image characteristics extraction submodule 1212.
Character features extract submodule 1211, can from medical image data with Word message in extract character features.
Such as, can character description information be comprised in the medical image data of an X-ray, as: Organ naming-lung, description information of image-texture increase, diagnosis information-pneumonia.From above-mentioned information, the character features that can extract this medical image data record is: lung, texture, pneumonia.Certainly, above-mentioned text description key characteristics extracting mode has a lot of mode, and aforesaid way only for example, and is not used in restriction, and those skilled in the art can replace in well known range.
Image characteristics extraction submodule 1212, can from medical image data with view data in extract characteristics of image.
Image characteristics extraction submodule 1212 comprises: segmentation submodule, is divided into several sub-blocks by the image in image data; Feature extraction and vector generate submodule, extract gray scale and the textural characteristics of each image subblock, after composition of vector; Cluster and Shape Feature Extraction submodule, utilize K Mean Method to carry out Statistical Clustering Analysis, thus segment the image into several region, then extract the shape facility in region; Proper vector generates submodule, the cluster centre vector sum shape eigenvectors obtained is merged the proper vector becoming and express each image-region.
First carry out Iamge Segmentation to the view data received, image is first divided into sub-block by the application, then extracts its feature to sub-block.The choosing of sub-block size is depended on texture validity can be kept to ensure again receivable computing time.Sub-block size is less, then the texture information kept is meticulousr, but correspondingly adds computing time; Otherwise sub-block size is larger, can computing time be reduced, but certain texture information may be lost and cause image segmentation poor.Such as: the sub-block chosen comprises 4 × 4 pixels, if picture size is 256 × 256, so each image just has 4096 proper vectors, each proper vector f
i, be made up of 4 features, that is: f
i∈ R
4, 1≤i≤4096, R represents divided image.First feature is the average gray of sub-block, and other three features are high-frequency sub-band energy of wavelet transformation.
In order to obtain three wavelet moments, first image subblock will carry out Daubechies-4 wavelet transformation.Often after one-level wavelet transformation, 4 × 4 sub-blocks are broken down into four frequency bands: LL, LH, HL and HH.Each frequency band comprises 2 × 2 coefficients.Those skilled in the art can select existing frequency band feature computing method to calculate the feature of four frequency bands, again repeat no more.The object of small echo high-frequency sub-band feature is used to be that they can reflect the texture features of image.Coefficient square on each frequency band of small echo can effective expression image texture.Because different frequency band coefficient tables reveals texture intensity of variation in different directions.Such as: HL frequency band reflects the activity in horizontal direction.If with vertical stripes in image, then HL frequency band just reflects high-energy, and LH frequency band is presented as low-yield.
Using these proper vectors as training set, utilize K mean algorithm to carry out cluster, each class correspond to an Iamge Segmentation region, namely for a sub-picture by a set of eigenvectors F={ f
i∈ R
4, 1≤i≤4096}, F is divided into C group { F
1..., F
c, correspond respectively to C region { R of segmentation image
1..., R
c.Because cluster is carried out in feature space, the sub-block therefore in each class need not form the region connected in image.K mean algorithm can according to whether meeting the number C that the loop termination condition set carrys out self-adaptative adjustment cluster.
After Iamge Segmentation, extract three additional features in order to describe the style characteristic in each region to cut zone, they can be the normalization inertia on 1 to 3 rank.For a plane of delineation inner region R
i, normalization inertia in r rank is a finite aggregate, and its account form can be:
formula (1)
Wherein, (X, Y) image-region R
iin a point coordinate,
for R
ibarycenter, V (R
i) be R
ivolume, concerning V (R two dimensional image
i) be region area.It is invariant that normalization inertia relative size convergent-divergent and position rotate.Minimum normalization barycenter is by calculating unit ball.R rank normalization inertia several I of unit ball
r, that is:
formula (2).
The provincial characteristics F of this sampled images
j(1≤j≤C) is made up of the inertia vector of expressing area grayscale, the cluster centre vector sum of texture expresses region shape respectively.
In above medical image data, the characteristic extraction procedure of view data is only example, and unrestricted, and those skilled in the art are readily appreciated that also can by other means to the mark that view data feature in medical image data is extracted.
Submodule 1211 and image characteristics extraction submodule 1212 are extracted for the character features in medical image data characteristic extracting module 121, both first can perform the function that character features extracts submodule 1211, the function of rear execution image characteristics extraction submodule 1212; Also first can perform the function of image characteristics extraction submodule 1212, rear execution character features extracts the function of submodule 1211; Also the function of submodule 1211 and the function of image characteristics extraction submodule 1212 can be extracted by executed in parallel character features.If there is no character description information, the function of image characteristics extraction submodule 1212 also only can be performed.
When the medical image data speed that medical institutions' module 11 sends is greater than the process data speed of medical image data feature extraction submodule 121, a buffered memory module can be set in medical image data feature extraction submodule 121, to store the medical image data received when having little time to process, to avoid the loss of the medical image data received.
Medical image data sub module stored 122 can be independent data-carrier store, also can be distributed data-storage system.Those skilled in the art can be arranged according to actual needs, the storage policy of medical image data, as: fully redundance stores, and stores in turn in multiple memory device.
Each hospital's submodule in medical institutions' module can not arrange medical image storer in this locality, is stored in by all medical image datas in medical image data sharing module; Medical imaging compared with low capacity also can be set in this locality, but in order to the security of data is with shared convenient, store even if the hospital's submodule arranging image database in this locality also needs timing all data to be sent in medical image data sharing module, such as: on one's own time, be the cycle all data are sent to sharing module with sky.Like this, when other hospital's submodules need to retrieve medical image data, just can directly access sharing module and find without the need to traveling through all hospitals submodule.
It will be understood by those skilled in the art that the embodiment of the application can be provided as method, device (equipment) or computer program.Therefore, the application can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the application can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) of computer usable program code.
The application describes with reference to according to the process flow diagram of the method for the embodiment of the present application, device (equipment) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Although described the preferred embodiment of the application, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the application's scope.Obviously, those skilled in the art can carry out various change and modification to the application and not depart from the spirit and scope of the application.Like this, if these amendments of the application and modification belong within the scope of the application's claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.
Claims (6)
1. a medical coordination system, wherein comprises medical institutions' module and medical image data sharing module, wherein
Medical institutions' module, role-base access control model modeling, wherein comprise some hospitals submodule, each hospital submodule corresponds to a hospital in reality, the user of the First Hospital submodule in described medical institutions module can send request to second hospital's submodule in described medical institutions module, after described request obtains the submodule permission of described second hospital, the user of described First Hospital submodule can preengage the equipment inspection in use second hospital submodule;
Medical image data sharing module, it receives and stores the medical image data sent from medical institutions' module, and for each hospital's submodule inquiry in described healthcare structure module.
2. system according to claim 1, is characterized in that, described access control model is the access control model supporting the role that request is authorized, and comprises role set and authority set; Wherein:
One or more role is comprised in role set;
The authority that one or more are different is comprised in authority set;
Each role corresponds respectively to and one or more authority;
By each user in described medical institutions respectively with one or more role association;
Described role set is by general role set and authorize role set jointly to form, general role set has Role hierarchy, and authorize role set there is no Role hierarchy, by authority-role's configuration, general Role Users obtains the authority that general role has, some general Role Users makes it have the authority creating and authorize role by configuration, by granted rights, the authority by role can be assigned to mandate role.
3. system according to claim 2, is characterized in that, described medical image data sharing module comprises:
Medical image data feature extraction submodule, for extract in medical image data with feature and according to described feature, described medical image data is marked;
Medical image data sub module stored, the medical image data after storage mark, and for medical organization module polls.
4. system according to claim 3, it is characterized in that, described medical image data feature extraction submodule comprises character features and extracts submodule and image characteristics extraction submodule, described character features extract submodule be used for from medical image data with Word message in extract character features, described image characteristics extraction submodule is for extracting the characteristics of image in medical image data in image information.
5. system according to claim 4, is characterized in that, described image characteristics extraction submodule comprises: segmentation submodule, is divided into several sub-blocks by the image in image data; Feature extraction and vector generate submodule, extract gray scale and the textural characteristics of each image subblock, after composition of vector; Cluster and Shape Feature Extraction submodule, utilize K Mean Method to carry out Statistical Clustering Analysis, thus segment the image into several region, then extract the shape facility in region; Proper vector generates submodule, the cluster centre vector sum shape eigenvectors obtained is merged the proper vector becoming and express each image-region.
6. system according to claim 5, is characterized in that, the picture size in described medical image data is 256 × 256;
Described segmentation submodule, is divided into the some sub-blocks comprising 4 × 4 pixels by the image in image data;
Described feature extraction and vector generate submodule, and obtain 4096 proper vectors of described image, each proper vector is made up of 4 features, and first feature is the average gray of sub-block, and other three features are high-frequency sub-band energy of wavelet transformation;
Described cluster and Shape Feature Extraction submodule, using described 4096 proper vectors as training set, utilize K mean algorithm to carry out cluster, and each class corresponds to an Iamge Segmentation region, for a sub-picture by a set of eigenvectors F={ f
i∈ R
4, 1≤i≤4096}, F is divided into C group { F
1..., F
c, correspond respectively to C region { R of segmentation image
1..., R
c;
Described proper vector generates submodule, and after Iamge Segmentation, extract three additional features in order to describe the style characteristic in each region to cut zone, described three additional features are the normalization inertia on 1 to 3 rank, for a plane of delineation inner region R
i, normalization inertia in r rank is a finite aggregate, and its account form can be:
formula (1);
Wherein, (X, Y) image-region R
iin a point coordinate,
for R
ibarycenter, V (R
i) be R
ivolume, concerning V (R two dimensional image
i) be region area; By calculating minimum normalization barycenter, r rank normalization inertia several I of unit ball to unit ball
r, its account form is:
formula (2);
The provincial characteristics F of this sampled images
j(1≤j≤C) is made up of the inertia vector of expressing area grayscale, the cluster centre vector sum of texture expresses region shape respectively.
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