CN112509674A - Method, system and display method for downloading DICOM medical image data - Google Patents
Method, system and display method for downloading DICOM medical image data Download PDFInfo
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Abstract
The application belongs to the technical field of computers, and particularly relates to a method, a system and a display method for downloading DICOM medical image data. The downloading method comprises the following steps: the server side determines a display model based on DICOM medical image data generated by patient scanning and patient information and scanning information carried in the data; the server receives a downloading request of the DICOM medical image data from the user equipment, and sends the display model to the user equipment according to the downloading request; and the server receives download information sent by the user equipment based on the display model, and transmits the DICOM medical image data to the user equipment according to the download information. The downloading method provided by the invention can download the medical image interested by the doctor to the user side at the earliest on the basis of a certain downloading speed, thereby reducing the reading time of the doctor and improving the use experience of the user.
Description
Technical Field
The application belongs to the technical field of computers, and particularly relates to a method, a system and a display method for downloading DICOM medical image data.
Background
DICOM (Digital Imaging and Communications in Medicine) is a standard established by the American College of Radiology (ACR) and the National Electrical Manufacturers Association (NEMA) for Digital medical image transmission, display and storage. The DICOM standard defines the image and its related information format and exchange method in detail, and by using the standard, people can establish an interface on the image equipment to complete the input/output work of image data.
With the development of computer technology, more and more hospitals and doctors use telemedicine to make diagnoses. The patient generates DICOM format data after performing corresponding examination (CT, PET, MR and the like) scanning in a hospital, the DICOM data is stored in a Web accessible server, and a doctor views DICOM medical image data through a Web browser of a computer, a mobile phone, a tablet and other equipment and performs medical diagnosis by combining with images. When a doctor views DICOM medical image data through a Web browser, the data needs to be downloaded to the local, and then the data is loaded and displayed through the Web browser. DICOM data generated by some devices occupy a large space, and the downloading takes a long time; for example, some of the DICOM data of CT may exceed 500M, and it also takes 100 seconds to calculate according to the download speed of 5M/S, and especially, it takes even longer time when the network is poor or the server performs speed limitation. The long-time waiting for downloading the data can prolong the reading time of a doctor and also reduce the use experience of a user.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present application provides a method, a system and a method for downloading DICOM medical image data.
(II) technical scheme
In order to achieve the purpose, the technical scheme is as follows:
in a first aspect, the present application provides a method for downloading DICOM medical image data, including:
s10, the server side determines a display model based on DICOM medical image data generated by patient scanning and patient information and scanning information carried in the data;
s20, the server receives a downloading request of the DICOM medical image data from the user equipment, and sends the display model to the user equipment according to the downloading request;
and S30, the server receives download information sent by the user equipment based on the display model, and transmits the DICOM medical image data to the user equipment according to the download information.
Optionally, step S10 includes:
extracting patient information and scanning information carried in the image data from the DICOM image data as image data characteristics;
based on the image data characteristics, selecting characteristic evaluation indexes containing the image data characteristics from a pre-established characteristic evaluation index set, and acquiring corresponding index grading values;
determining an optional display mode of the DICOM image data based on a pre-established display mode set;
based on the characteristic evaluation indexes, matching and obtaining the weight of the characteristic evaluation index corresponding to each optional display mode from a pre-established characteristic display model mapping table, wherein the characteristic display model mapping table comprises the mapping relation between the display modes and the characteristic evaluation indexes and the weight of each characteristic evaluation index under each display mode;
obtaining the display priority of each selectable display mode based on the weight of the characteristic evaluation index and the index score value;
and taking the display mode with the highest display priority as a display model.
Optionally, the feature evaluation index set includes:
a characteristic evaluation index based on one or more of patient information, scan information, and
and for each characteristic evaluation index, an index score value determined by the medical expert according to the importance degree of the index.
Optionally, the DICOM image data includes a plurality of medical images, and the download information includes a download start position of the medical images and a download sequence of the medical images.
Optionally, the weight of the feature evaluation index is determined by statistical information generated based on the general operation information of the doctor and the medical report content.
Optionally, the display priority is calculated by a display priority calculation formula based on the weight of the characteristic evaluation index and the index score value, and the display priority calculation formula is as follows:
P(D,SD)＝S(T1)*R(T1,SD)+S(T2)*R(T2,SD)+...+S(Tn)*R(Tn,SD)
wherein D represents DICOM image data, SD represents an optional display mode, Tn represents the nth feature evaluation index, n represents the number of feature indexes, P (D, SD) represents the display priority, s (Tn) represents the index score value of the feature evaluation index Tn, and R (Tn, SD) represents the weight of the feature evaluation index Tn.
In a second aspect, the present application provides a method for downloading DICOM medical image data, which includes:
the user equipment sends a DICOM medical image data downloading request to the server;
the user equipment divides a preloading space in a memory according to the length information of the DICOM medical image data;
the user equipment receives a display model sent by a server based on the downloading request;
the user equipment sends the downloading information of the DICOM medical image data to a server side based on the display model;
the user equipment receives the DICOM medical image data transmitted by the server based on the download information.
Optionally, the display model is obtained by comparing the display priority of the selectable display model for the DICOM medical image data to be downloaded by the server, and the display priority is obtained by weighting the score of the characteristic evaluation index of the DICOM medical image data to be downloaded.
In a third aspect, the present application provides a method for displaying DICOM medical image data, including:
the user equipment downloads the DICOM medical image data by the DICOM medical image data downloading method of any one of the second aspects;
and in the downloading process, displaying the received medical image.
In a fourth aspect, the present application provides a DICOM medical image data downloading system, including: the method comprises a server and a user device, wherein the server executes the method for downloading DICOM medical image data according to any one of the first aspect, and the user device executes the method for downloading DICOM medical image data according to any one of the second aspect.
In a fifth aspect, the present application provides an electronic device, comprising: a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the computer program when executed by the processor implements the steps of the method for downloading DICOM medical image data according to any one of the first or second aspects or the method for displaying DICOM medical image data according to any one of the third aspects.
In a sixth aspect, the present application provides a computer readable storage medium having a computer program stored thereon, where the computer program when executed by a processor implements the steps of the method for downloading DICOM medical image data according to any of the first or second aspects or the method for displaying DICOM medical image data according to any of the third aspects.
(III) advantageous effects
The beneficial effect of this application is: the application provides a method, a system and a display method for downloading DICOM medical image data. The data downloading method comprises the following steps: the server side determines a display model based on DICOM medical image data generated by patient scanning and patient information and scanning information carried in the data; the server receives a downloading request of the DICOM medical image data from the user equipment, and sends the display model to the user equipment according to the downloading request; and the server receives the download information sent by the user equipment based on the display model, and transmits DICOM medical image data to the user equipment according to the download information.
The DICOM medical image data downloading method provided by the invention can download medical images interested by doctors to user equipment at the earliest on the basis of a certain downloading speed, thereby reducing the film reading time of the doctors and improving the use experience of users.
The DICOM medical image data display method provided by the invention can view downloaded medical images while downloading, and enables doctors to see interested DICOM images at first, thereby improving the film reading efficiency of doctors.
Drawings
The application is described with the aid of the following figures:
fig. 1 is a schematic flowchart illustrating a method for downloading DICOM medical image data according to an embodiment of the present application;
FIG. 2 is a schematic flow chart of a display model determination method according to another embodiment of the present application;
FIG. 3 is a diagram illustrating an example of a mapping relationship between a feature evaluation index and a display model in another embodiment of the present application;
FIG. 4 is an exemplary illustration of memory DICOM preloading spaces in another embodiment of the present application;
fig. 5 is an exemplary illustration of DICOM medical image display effect in another embodiment of the present application;
fig. 6 is a schematic diagram of a DICOM medical image data downloading system according to yet another embodiment of the present application;
fig. 7 is a schematic structural diagram of an electronic device according to another embodiment of the present application.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the following specific examples are illustrative of the invention only and are not to be construed as limiting the invention. In addition, it should be noted that, in the case of no conflict, the embodiments and features in the embodiments in the present application may be combined with each other; for convenience of description, only portions related to the invention are shown in the drawings.
For a better understanding of the present invention, DICOM medical image data will be described before the description of the embodiments.
The DICOM image data generated by one-time scanning operation of one patient is called a DICOM sequence, one DICOM sequence is composed of a plurality of continuous DICOM image files (DICOMImage), and each DICOM image file is displayed into one picture in a radiographing procedure. The DICOM image in one-time film reading can comprise 1 or more sequences, in a DICOM image film reading program, more processing can be conveniently and quickly carried out on DICOM image data, for example, original image data are generated into multi-plane reconstructed images, the DICOM film reading program can put all image data into a continuous memory, the second image data is behind the first image data in the memory, and the (M + 1) th image data is behind the M image data, so that the image data can be processed more quickly.
When a doctor reads the DICOM, the doctor can read the DICOM after the DICOM medical image data is completely downloaded, so that the invention provides a method for downloading and displaying the DICOM medical image data, more important image information in the DICOM image data can be preferentially displayed to a user, and the user can continuously download and display subsequent data according to the characteristics of the data and the characteristics of the user in the browsing process. For example, the data is also data of whole body scanning, when the patient's condition is heart-related, the image data of the heart position of the patient is preferentially downloaded and displayed; when the illness state of the patient is stomach-related, the image data of the stomach position of the patient is preferentially downloaded and displayed.
Example one
Fig. 1 is a schematic flowchart of a method for downloading DICOM medical image data according to an embodiment of the present application, as shown in fig. 1, the method includes:
s10, the server side determines a display model based on DICOM medical image data generated by patient scanning and patient information and scanning information carried in the data;
s20, the server receives a download request of the DICOM medical image data from the user equipment, and sends the display model to the user equipment according to the download request;
and S30, the server receives the download information sent by the user equipment based on the display model, and transmits DICOM medical image data to the user equipment according to the download information.
In this embodiment, the scan information includes a scan data type, a scan protocol type, and a scan part, and the patient information includes disease symptoms, hospital name, patient age, and patient sex.
In some embodiments, the feature evaluation index set may include:
a characteristic evaluation index based on one or more of patient information, scan information, and
and for each characteristic evaluation index, an index score value determined by the medical expert according to the importance degree of the index.
In some embodiments, the DICOM image data includes a plurality of medical images, and the download information includes a download start position of the medical images and a download sequence of the medical images.
In some embodiments, the weight of the feature evaluation index is determined by statistical information generated based on the physician's routine operational information and medical report content.
The embodiment provides a method for downloading DICOM medical image data, which can download medical images interested by doctors to a display device end at the earliest on the basis of a certain downloading speed, thereby reducing the film reading time of the doctors and improving the use experience of users.
Example two
The second aspect of the present application provides a method for downloading DICOM medical image data through another embodiment, which is applied to a server, and is the same as steps S10-S30 in the first embodiment, and will not be described in detail. In this embodiment, only the method for determining the display model will be described in detail. Fig. 2 is a schematic flow chart of a display model determining method in another embodiment of the present application, as shown in fig. 2, the method includes:
s1, the server for storing the DICOM medical image data acquires a DICOM medical image data source to be downloaded, extracts the characteristics of the DICOM image, and establishes a data model based on the characteristic evaluation index.
In this embodiment, the score used for the importance of the feature evaluation index is the index score value.
A feature evaluation index is a description of the data model, namely a feature of the data model, and a data model can be completely described through a feature evaluation index set. One feature is labeled T and one data model is composed of a combination of N features, which are labeled T1, T2, T3. One datum may be denoted as D (T1, T2, T3.. Tn).
For example, the operating software of the DICOM image generating device in the hospital may predefine some scanning information, which is called scanning protocol, and in the hospital, scanning protocol, head protocol, heart protocol, whole body protocol, etc. may be further defined for specific parts. These protocols are fine-tuned to meet the needs of most patient scans and are not substantially modified during hospital scans. When modeling DICOM data, some information in the scan protocol may be used as a feature in the data model. Taking a CT image sequence for head scanning by using a head protocol as an example, after head CT data after scanning is transmitted to a server, a data model analyzer can extract a part of characteristic evaluation indexes; data type (CT), scan site (head), disease symptom characteristics (headache), hospital name (certain hospital), patient age (60), patient gender (woman).
The feature evaluation index may be a single piece of information or may be a piece of combined information. For example, the protocol type is a feature evaluation index, the data type is a feature evaluation index, and the combination of the protocol type and the data type can also be a feature evaluation index.
A DICOM data model has many feature evaluation indexes, but the importance of each feature evaluation index is different, and a CT image sequence for performing a head scan using a head protocol is taken as an example. The importance of this feature is much higher for the data type (CT) than for hospital information (a certain hospital), and the combined feature (CT + head data) is a more important feature evaluation index than for the data type (CT) alone. The importance of all features is marked with a score, s (T) 10, indicating that the score for this feature is 10. Higher scores indicate a higher degree of importance of the features. The initial value of S (T) is given by the comprehensive evaluation of some experienced doctors.
S2, searching a display model SD corresponding to the data D (T1, T2, T3.. Tn).
Possible correspondences of one data D (T1, T2, T3.. Tn) to a plurality of presentation models: SD1, SD2, sd3.
The display model is a model used when data is displayed at the client, and after the client obtains the display model, the client can obtain information from the display model to determine how to download and display the data, such as a download starting position, a download sequence, a displayed CLUT table (color mapping table) and the like. The server defines a part of the display model in advance, and adjusts the display model through a large amount of data analysis.
And S3, when one data corresponds to a plurality of presentation models, determining the priority of each presentation model in the data.
P (D, SD) represents the priority of the presentation model SD in the data D, and a presentation model with a higher priority is preferentially used. The calculation method of the priority of the display model SD in the data D comprises the following steps: the priority P (T, SD) of the display model SD in the feature evaluation index is calculated, and the feature evaluation index score s (T) is multiplied by the feature display model relevance R (T, SD), as shown in formula (1).
P(T,SD)＝S(T)*R(T,SD) (1)
When one data includes a plurality of feature evaluation indexes, the priority calculation method of the presentation model SD in the data D is: all P (T, SD) in data D are summed as shown in equation (2).
P(D,SD)＝S(T1)*R(T1,SD)+S(T2)*R(T2,SD)+...+S(Tn)*R(Tn,SD) (2)
Wherein Tn represents the nth characteristic evaluation index, n represents the number of the characteristic evaluation indexes, P (D, SD) represents the download priority, s (Tn) represents the score of the characteristic evaluation index Tn, and R (Tn, SD) represents the degree of association between the characteristic evaluation index Tn and the display model SD.
The relevance of the feature display model is obtained by inquiring a pre-established feature display model mapping table.
And establishing a display model mapping table for all the characteristic evaluation indexes, wherein the table associates each characteristic evaluation index to a display model and expresses the association closeness of the characteristic evaluation indexes through association degrees. The display model comprises priority display data information, a priority downloading position when the image data is downloaded and a sequence list when the image data is downloaded. Fig. 3 is an exemplary diagram of a mapping relationship between a feature evaluation index and a display model in another embodiment of the present application, where as shown in fig. 3, T represents the feature evaluation index, SD represents the display model, and a value of a connection mark between the two is a correlation degree. Fig. 3 shows a mapping relationship between 3 feature evaluation indexes and 4 presentation models. R (T1, SD1) ═ 99 indicates that the direct correlation value between the feature evaluation index T1 and the display model SD1 is 99, and R (T1, SD1) is referred to as the feature display model correlation degree.
In this embodiment, the relevance of the feature display model can be adjusted by the operation habit of the doctor when browsing the image data and the content of the doctor's reading report. For example, if the physician frequently takes measurements at the heart location of the whole-body scan data, the value of the corresponding R (T, SD) may be incremented, where T represents the whole-body scan and SD represents the presentation model that is downloaded prior to the heart.
And S4, sorting all P (D, SD) in the data D, and selecting the P (D, SD) with the highest priority as a data display model.
EXAMPLE III
The second aspect of the present application provides a method for displaying DICOM medical image data, which is applied to a client, and the method includes the following steps.
A1, downloading DICOM medical image data by the user equipment through a DICOM medical image data downloading method, comprising:
a1.1, user equipment sends a DICOM medical image data downloading request to a server, and the user equipment divides a preloading space in a memory according to the length information of the DICOM medical image data.
When the user equipment downloads data each time, the length of the whole DICOM image data is acquired, and a continuous memory is applied on a computer of a user according to the length.
Fig. 4 is an exemplary diagram of a pre-loading space of a memory DICOM in another embodiment of the present application, fig. 4 is an exemplary diagram of a pre-loading space of a DICOM with 256MB, fig. 4 (b) is an exemplary diagram of a pre-loading space of a DICOM after 1 piece of image data is downloaded, and fig. 4 (c) is an exemplary diagram of a pre-loading space of a DICOM after a plurality of pieces of image data are downloaded. Referring to fig. 4 (a), the data of a DICOM image is 512KB, there are 500 DICOM image files in total, the total data length is 512K, 256MB of memory space is applied on the computer before downloading, and the data of the memory is set to 0x 00. This memory space is named DICOM preload space.
And A1.2, the user equipment receives a display model sent by the server based on the downloading request.
After the memory data is applied, a display model of the data is obtained, the image data at a certain position is preferentially downloaded according to the information of the display model, and the downloading sequence is determined.
Taking the head CT data of an XX hospital as an example, the whole image data includes N images, and the downloaded data is N/2, N/2-1, N/2+1, N/2-2, N/2+2.. 1, N when no model is displayed, and the downloaded data may become M, M +1, M +2.. N, 1, 2, 3.. M-1 after the display model is used. And filling real data of the image data into a DICOM preloading space after downloading one DICOM image data. With continued reference to fig. 4 (b) and (c), (b) shows the DICOM preloading space after downloading 1 piece of image data, and (c) shows the DICOM preloading space after downloading a plurality of pieces of image data.
The display model is obtained by comparing the display priority of the selectable display model according to the DICOM medical image data to be downloaded by the server, and the display priority is obtained by weighting the score value of the characteristic evaluation index of the DICOM medical image data to be downloaded.
A1.3, the user equipment sends the DICOM medical image data downloading information to the server side based on the display model.
A1.4, receiving DICOM medical image data transmitted by the server based on the download information by the user equipment.
And A2, displaying each received medical image in the downloading process.
After the first image is downloaded, the DICOM image browsing software can display the first DICOM image in the first image, and download and display the rest DICOM images in the operation process of a user, so that the DICOM images can be displayed at the first time of downloading. Fig. 5 is a diagram illustrating an exemplary display effect of DICOM medical images in another embodiment of the present application, wherein an Im tag is provided at the upper left corner of the images, which indicates that the image of the second image in a sequence is currently displayed, and a doctor can switch the display of the images through a mouse or a keyboard.
By the method, the film reading efficiency of a doctor can be well improved, and the time of the doctor is saved.
Example four
In a third aspect of the present application, a DICOM medical image data downloading system is provided by a further embodiment, and includes a server and a user device, where the server performs the method for downloading DICOM medical image data according to the first or second embodiment, and the user device performs the method for downloading DICOM medical image data according to the third embodiment.
Fig. 6 is a schematic diagram of a DICOM medical image data downloading system according to still another embodiment of the present application, and as shown in fig. 6, the user device may include various terminal devices that can be connected to a network, such as a mobile phone, a tablet computer, a notebook computer, and a desktop computer. The network connection between the user equipment and the DICOM data server can be in a wired mode or in a wireless communication mode.
EXAMPLE five
A fourth aspect of the present application provides an electronic device by another embodiment, including: the apparatus includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the computer program, when executed by the processor, implements the steps of the method for downloading DICOM medical image data or the method for displaying DICOM medical image data according to any one of the above embodiments.
Fig. 7 is a schematic structural diagram of an electronic device according to another embodiment of the present application. As shown in fig. 7, the electronic device may include: at least one processor 71, at least one memory 72, at least one network interface 74 and other user interfaces 73. The various components in the electronic device are coupled together by a bus system 75. It will be appreciated that the bus system 75 is used to enable communications among the components. The bus system 75 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 75 in fig. 7.
The user interface 73 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, or touch pad, among others.
It will be appreciated that the memory 72 in the present embodiment may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a Read-only memory (ROM), a programmable Read-only memory (PROM), an erasable programmable Read-only memory (erasabprom, EPROM), an electrically erasable programmable Read-only memory (EEPROM), or a flash memory. The volatile memory may be a Random Access Memory (RAM) which functions as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (staticiram, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (syncronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM ), Enhanced Synchronous DRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and direct memory bus RAM (DRRAM). The memory 72 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 72 stores elements, executable units or data structures, or a subset thereof, or an expanded set thereof: an operating system 721 and application programs 722.
The operating system 721 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks. The application programs 722 include various application programs, such as an industrial control device operation management system, for implementing various application services. Programs that implement methods in accordance with embodiments of the invention may be included within application 722.
In the embodiment of the present invention, the processor 71 is configured to execute the method steps provided in the first aspect or the second aspect by calling a program or an instruction stored in the memory 72, which may be specifically a program or an instruction stored in the application 722.
The method disclosed in the above embodiments of the present invention may be applied to the processor 71, or implemented by the processor 71. The processor 71 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 71. The processor 71 may be a general-purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software elements in the decoding processor. The software elements may be located in ram, flash, rom, prom, or eprom, registers, among other storage media that are well known in the art. The storage medium is located in a memory 72, and the processor 71 reads the information in the memory 72 and performs the steps of the above method in combination with hardware thereof.
In addition, in combination with the method for downloading DICOM medical image data or the method for displaying DICOM medical image data in the above embodiments, an embodiment of the present invention may provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements any one of the method for downloading DICOM medical image data or the method for displaying DICOM medical image data in the above embodiments.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units designed to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented by means of units performing the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
In the above embodiments disclosed in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus and method embodiments described above are illustrative only, as the flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of methods, apparatus, and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. Furthermore, it should be noted that in the description of the present specification, the description of the term "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc., means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the claims should be construed to include preferred embodiments and all changes and modifications that fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention should also include such modifications and variations.
Claims (10)
1. A method for downloading DICOM medical image data, the method comprising:
s10, the server side determines a display model based on DICOM medical image data generated by patient scanning and patient information and scanning information carried in the data;
s20, the server receives a downloading request of the DICOM medical image data from the user equipment, and sends the display model to the user equipment according to the downloading request;
and S30, the server receives download information sent by the user equipment based on the display model, and transmits the DICOM medical image data to the user equipment according to the download information.
2. The method according to claim 1, wherein step S10 includes:
extracting patient information and scanning information carried in the image data from the DICOM image data as image data characteristics;
based on the image data characteristics, selecting characteristic evaluation indexes containing the image data characteristics from a pre-established characteristic evaluation index set, and acquiring corresponding index grading values;
determining an optional display mode of the DICOM image data based on a pre-established display mode set;
based on the characteristic evaluation indexes, matching and obtaining the weight of the characteristic evaluation index corresponding to each optional display mode from a pre-established characteristic display model mapping table, wherein the characteristic display model mapping table comprises the mapping relation between the display modes and the characteristic evaluation indexes and the weight of each characteristic evaluation index under each display mode;
obtaining the display priority of each selectable display mode based on the weight of the characteristic evaluation index and the index score value;
and taking the display mode with the highest display priority as a display model.
3. The method of claim 2, wherein the set of feature evaluation indicators comprises:
a characteristic evaluation index based on one or more of patient information, scan information, and
and for each characteristic evaluation index, an index score value determined by the medical expert according to the importance degree of the index.
4. The method of claim 2, wherein the DICOM image data includes a plurality of medical images, and the download information includes a download start position of the medical images, and a download sequence of the medical images.
5. The method according to claim 4, wherein the weight of the feature evaluation index is determined by statistical information generated based on general operation information of a doctor and medical report contents.
6. The method according to claim 5, wherein the presentation priority is calculated based on the weight of the feature evaluation index and the index score value by a presentation priority calculation formula:
P(D,SD)＝S(T1)*R(T1,SD)+S(T2)*R(T2,SD)+...+S(Tn)*R(Tn,SD)
wherein D represents DICOM image data, SD represents an optional display mode, Tn represents the nth feature evaluation index, n represents the number of feature indexes, P (D, SD) represents the display priority, s (Tn) represents the index score value of the feature evaluation index Tn, and R (Tn, SD) represents the weight of the feature evaluation index Tn.
7. A method for downloading DICOM medical image data, the method comprising:
the user equipment sends a DICOM medical image data downloading request to the server;
the user equipment divides a preloading space in a memory according to the length information of the DICOM medical image data;
the user equipment receives a display model sent by a server based on the downloading request;
the user equipment sends the downloading information of the DICOM medical image data to a server side based on the display model;
the user equipment receives the DICOM medical image data transmitted by the server based on the download information.
8. The method according to claim 7, wherein the presentation model is obtained by comparing, by the server, presentation priorities of selectable presentation models for the DICOM medical image data to be downloaded, and the presentation priorities are obtained by weighting score values of characteristic evaluation indexes of the DICOM medical image data to be downloaded.
9. A DICOM medical image data display method is characterized by comprising the following steps:
the user equipment downloads the DICOM medical image data by the method for downloading DICOM medical image data according to any one of claims 7 to 8;
and in the downloading process, displaying the received medical image.
10. A DICOM medical image data downloading system, comprising a server and a user device, wherein the server performs the DICOM medical image data downloading method according to any one of claims 1 to 6, and the user device performs the DICOM medical image data downloading method according to any one of claims 7 to 9.
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