CN110310724A - A kind of preloading method and apparatus of DICOM image - Google Patents
A kind of preloading method and apparatus of DICOM image Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 22
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- 239000003814 drug Substances 0.000 claims description 3
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Abstract
The embodiment of the present application discloses a kind of preloading method and apparatus of DICOM image, is related to field of communication technology, solves the problems, such as that host Caton occurs when showing DICOM image.The specific scheme is that host is according to user to the lookup operations of the first DICOM image file, obtain the series number of the first DICOM image file, and according to the series number of the first DICOM image file, it determines and preloads DICOM image file, it preloads DICOM image file and refers to a series of next files that user browses, a series of corresponding files of series number that DICOM image file includes the first DICOM image file are preloaded, and host obtains the pixel data and individual information for preloading DICOM image file.During the embodiment of the present application preloads DICOM image for host.
Description
This application claims on 03 20th, 2018 submission Patent Office of the People's Republic of China, application No. is 201810231123.4, application
A kind of priority of the Chinese patent application of entitled " preloading method and apparatus of DICOM image ", entire contents pass through
Reference is incorporated in the present application.
Technical field
The invention relates to field of communication technology more particularly to a kind of digital imaging and communications in medicine (digital
Imaging and communications in medicine, DICOM) image preloading method and apparatus.
Background technique
DICOM is the international standard of medical image and relevant information, defines quality and is able to satisfy the available of clinical needs
In the Medical Image Format of data exchange.In the prior art, when patient checks, computed tomography (Computed
Tomography, CT) scanning result of patient can be generated the image file for meeting dicom standard format by equipment, and be passed through
DICOM image file is uploaded to server by network, carries out diagosis so that doctor accesses server by Image Terminal.
In this way, host can send diagosis request to server depending on the user's operation when user needs two-dimentional diagosis,
So that server obtains the series number (Seriesnum) that each DICOM image file includes, to carry out in real time by stages, and will divide
Phase result is sent to host, and host can show different UI icon interfaces by stages in browser interface.When user's selection is looked into
When seeing the DICOM image of certain series, host can send the request for consulting the DICOM image to server, and server can root
The CT value for including according to the request DICOM image file, is then converted into pixel value for CT value, and pixel value is converted into
The image data for the display format that the browser of host is supported, is finally sent to host for image data, so that host shows this
DICOM image, is checked for user.
At least there is following technical problem in the prior art: since host consults the request of DICOM image in response every time
When, be required to carry out host to send the request to server, server to magnanimity DICOM image file in real time by stages, by CT value
It is converted into pixel value, pixel value is converted into image data, the operation to host return image data, so that host is shown
The time delay of DICOM image is larger, the case where Caton occurs, and user experience is poor.
Summary of the invention
The application provides a kind of preloading method and apparatus of DICOM image, solves host when showing DICOM image
There is the problem of Caton.
In order to achieve the above objectives, the application adopts the following technical scheme that
In a first aspect, the application provides a kind of pre-add support method of DICOM image, this method may include: host according to
User obtains the series number of the first DICOM image file, and according to first to the lookup operations of the first DICOM image file
The series number of DICOM image file determines and preloads DICOM image file, preloads DICOM image file and refers to that user connects
A series of files for browsing of getting off preload the series number corresponding one that DICOM image file includes the first DICOM image file
Paper series.Host obtains the pixel data and individual information for preloading DICOM image file, and pixel data is according to pixel value
The data for the display format that browser obtain, host is supported, individual information are the letter consulting DICOM image file and needing
Breath.
Second aspect, the application provide a kind of host, which may include: acquiring unit and determination unit.It obtains single
Member obtains the series number of the first DICOM image file for the lookup operations according to user to the first DICOM image file.Really
Order member determines for the series number according to the first DICOM image file and preloads DICOM image file, preloads DICOM
Image file refers to a series of next files that user browses, and preloading DICOM image file includes the first DICOM image
A series of corresponding files of the series number of file.Acquiring unit is also used to obtain the pixel data for preloading DICOM image file
And individual information, pixel data are the data for the display format that browser obtained according to pixel value, host is supported, individual character letter
The information that breath needs for access DICOM image file.
The preloading for the DICOM image that concrete implementation mode can be provided with reference to the possible implementation of first aspect
The behavioral function of host in method.
The third aspect provides a kind of host, which includes: at least one processor, memory, communication interface and communication
Bus.Processor is connect with memory, communication interface by communication bus, and memory is used to store computer executed instructions, when
When host is run, processor executes the computer executed instructions of memory storage, so that host executes such as first aspect or first
The pre-add support method of the DICOM image of any one of the possible implementation of aspect.
Fourth aspect provides a kind of computer storage medium, is stored thereon with computer executed instructions, when computer executes
When instruction is run on computers, so that computer is executed as any in the possible implementation of first aspect or first aspect
The pre-add support method of one DICOM image.
The pre-add support method of DICOM image provided by the present application, since host is detecting user to the first DICOM image
After the lookup operations of file, next can browse the first DICOM image file according to user's behavior prediction user is
A series of corresponding files of row number, and a series of corresponding files of series number for obtaining the first DICOM image file in advance, with
Just it when next user browses series DICOM image file, can be directly viewable, reduce the every secondary response lookup operations of host
When, need to request pixel data and server to carry out CT value being converted into pixel value to server, pixel value is converted into it is quiet
The treatment process of the pixel data of state picture format improves the fluency that host shows DICOM image.
Detailed description of the invention
Fig. 1 is that one kind provided by the embodiments of the present application can simplify signal using the system architecture of the embodiment of the present application
Figure；
Fig. 2 is a kind of composition schematic diagram of host provided by the embodiments of the present application；
Fig. 3 is a kind of flow chart of the store method of DICOM image provided by the embodiments of the present application；
Fig. 4 is a kind of flow chart of the pre-add support method of DICOM image provided by the embodiments of the present application；
Fig. 5 is the flow chart of the pre-add support method of another kind DICOM image provided by the embodiments of the present application；
Fig. 6 is the composition schematic diagram of another host provided by the embodiments of the present application；
Fig. 7 is the composition schematic diagram of another host provided by the embodiments of the present application.
Specific embodiment
For the ease of the understanding of those skilled in the art, at this to the invention relates to background context say
It is bright:
1, DICOM image file may include three parts, be respectively as follows: the file header (Header) for saving parameter information, figure
Point data (Pixel Data) and information entity (Information Entity).
(1) file header: each DICOM image file must include file header.This document head be most initially file before
Speech, it is made of 128 byte 00H, and followed by DICOM prefix, it is the character string " DICM " that a length is 4 bytes,
It can judge that a file is DICOM image file according to the value.It further include some other useful information in file header,
Such as patient name (Patient name), transfer syntax (Transfer Syntax), series number, thickness (Thickness), cut
Piece position, picture position, instance number etc..Wherein, transfer syntax is used to indicate whether a DICOM image file is compression text
Part.The corresponding series number of one DICOM image file, the identical DICOM image file of series number are a serial DICOM
Image file.Thickness is used to indicate the slice thickness of DICOM image file description.Picture position is used to indicate DICOM image text
The sequence that the scanning of part generates.
(2) figure point data: i.e. image pixel, the brightness value of each point for describing image.In DICOM image file
In, figure point data includes original CT value, and figure point data occupies most volumes of entire DICOM image file.
(3) information entity: DICOM image file is made of multiple information entities, and information entity is subdivided into module again
(Module).Minimum unit inside each module is called an attribute (Attribute) or data element (EIement).?
In DICOM image file, fixed position is stored in the position of each data element, therefore only it is to be understood that the image file
The first address stored in memory, so that it may which corresponding data element is found according to the offset of storage position.And DICOM image
The data element of label (TAG) value also exactly one by one in file, that is, the corresponding data element of a TAG value.Such as one
A TAG is patient name, then its value is exactly the name of an actual patient, such as Zhang San.
2, DICOM image file includes 4 content levels: patient, inspection, series and image.Although the content of this 4 level
Some is identical in many DICOM image files, but they have in each DICOM image file, such as together
Two DICOM image files of one patient, at least patient information is identical.
3, DICOM image file has different thickness.The DICOM image file of same thickness can be divided by section type
Cross section, sagittal plane, coronal-plane.The DICOM image file of same section by type by stages can be divided into venous phase, arterial phase,
Balance period etc..One belongs to a series by stages, i.e., one serial DICOM image file is same thickness, same section, same
One DICOM image file by stages.When patient CT detection, CT equipment would generally generate different-thickness, different sections, different points
The DICOM image file of phase selects suitable DICOM image for doctor and carries out medical observation.For different positions and the state of an illness,
The serial DICOM image file of doctor's concern is different, does not need all to check.
4, the format for the DICOM image file that CT equipment generates can be compressed format or unpacked format, when DICOM schemes
When as the format of file being compressed format, the transfer syntax in the file header of DICOM image file is used to indicate the DICOM image
File is compressed file, which can be the file only compressed to the figure point data of the DICOM image file；When
When the format of DICOM image file is unpacked format, the transfer syntax in the file header of DICOM image file is used to indicate this
DICOM image file is uncompressed file.There are many compressed formats, including lossy compression and lossless compression, such as jpeg2000.
Wherein, CT value is preserved in the figure point data of the DICOM image file of unpacked format, which can not be directly in host
It is shown in browser, needs CT value being converted to pixel value by algorithmic formula, then pixel value is converted to browsing by algorithm
The image data for the display format that device is supported, could show in a browser.The DICOM image file of compressed format refers to only
Figure point data is compressed, file header and the unpressed file of information entity, the DICOM image file of the compressed format saves
Be compressed CT value, need first to de-compress into CT value.And the DICOM image file size of compressed format compares unpacked format
DICOM image file it is small.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
For the ease of clearly describing the technical solution of the embodiment of the present application, in embodiments herein, use " the
One ", the printed words such as " second " distinguish function and the essentially identical identical entry of effect or similar item, and those skilled in the art can
To understand that the printed words such as " first ", " second " are not defined quantity and execution order.
Fig. 1 is that one kind provided by the embodiments of the present application can simplify signal using the system architecture of the embodiment of the present application
Figure, as shown in Figure 1, the system architecture may include: CT equipment 11, host 12 and server 13.
Wherein, CT equipment 11, for the scanning result of patient to be generated to the image file for meeting dicom standard format.
Host 12 is selected for obtaining the DICOM image file of the generation of CT equipment 11 for user.Host 12, be also used to
Server 13 sends the DICOM image file of user's selection.
Server 13, for receiving and saving the DICOM image file of the transmission of host 12.
In concrete implementation, server 13 can be medical image information system (Picture Archiving and
Communication Systems, PACS) server.
Fig. 2 is a kind of composition schematic diagram of host provided by the embodiments of the present application, as shown in Fig. 2, the host may include:
At least one processor 21, memory 22, communication interface 23 and communication bus 24.
It is specifically introduced below with reference to each component parts of the Fig. 2 to host:
Wherein, processor 21 is the control centre of host, can be a processor, is also possible to multiple processing elements
It is referred to as.For example, processor 21 is a central processing unit (Central Processing Unit, CPU), it is also possible to specific
Integrated circuit (Application Specific Integrated Circuit, ASIC), or be arranged to implement this Shen
Please embodiment one or more integrated circuits, such as: one or more digital signal processor (Digital Signal
Processor, DSP), or, one or more field programmable gate array (Field Programmable Gate Array,
FPGA)。
In concrete implementation, as one embodiment, processor 21 may include one or more CPU, such as in Fig. 2
Shown in CPU0 and CPU1.And as one embodiment, host may include multiple processors, such as processing shown in Fig. 2
Device 21 and processor 25.Each of these processors can be a single core processor (Single-CPU), be also possible to
One multi-core processor (Multi-CPU).Here processor can refer to one or more equipment, circuit, and/or for handling
The processing core of data (such as computer program instructions).
Memory 22 can be read-only memory (Read-Only Memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (Random Access Memory, RAM) or letter can be stored
The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (EIectrically
Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal
Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to
Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this.
Memory 22, which can be, to be individually present, and is connected by communication bus 24 with processor 21.Memory 22 can also and processor
21 integrate.
In concrete implementation, memory 22, for storing the data in the application and executing the software program of the application.
Processor 21 can be by running or execute the software program being stored in memory 22, and calls and be stored in memory 22
Data, execute the various functions of host.
Communication interface 23 is used for and other equipment or communication, such as clothes using the device of any transceiver one kind
Business device, wireless access network (Radio Access Network, RAN), WLAN (Wireless Local Area
Networks, WLAN) etc..Communication interface 23 may include that receiving unit realizes that receive capabilities and transmission unit realize transmission
Function.
Communication bus 24 can be industry standard architecture (Industry Standard Architecture, ISA)
Bus, external equipment interconnection (Peripheral Component Interconnect, PCI) bus or extension industrial standard body
Architecture (Extended Industry Standard Architecture, EISA) bus etc..The bus can be divided into address
Bus, data/address bus, control bus etc..Only to be indicated with a thick line in Fig. 2, it is not intended that only one convenient for indicating
Bus or a type of bus.
In order to solve the problems, such as that host Caton occurs when showing DICOM image, the embodiment of the present application provides one kind
The store method of DICOM image, as shown in figure 3, this method may include:
It should be noted that when user selected from the DICOM image file that all CT equipments generate needs upload to
When a few DICOM image file, in order to avoid DICOM image file is repeated compression, host can detect user's
When selection operation, the DICOM image file that user first selection is uploaded, i.e. target DICOM image file is sent to service
Device obtains the transfer syntax of target DICOM image file, according to the transmission so that server parses target DICOM image file
Grammer determines whether target DICOM image file is compressed file.Whether server returns to target DICOM image file to host
For the response message of compressed file, so that host is according to the response message, it is determined whether at least one DICOM image file into
Row compression.If including target DICOM image file in response message is compressed file, host is determined not at least one
DICOM image file is compressed.If including target DICOM image file in response message is uncompressed file, host
At least one DICOM image file is compressed.Then, host sends compressed at least one DICOM figure to server
As file, at this point, following steps 301- step 307 can be executed:
301, at least one compressed DICOM image file that server receiving host is sent.
302, server decompresses at least one compressed DICOM image file, obtains at least one DICOM image text
Part.
303, server parses each DICOM image file at least one DICOM image file, obtains each
Series number, CT value and the individual information that DICOM image file includes.
Wherein, individual information is the information consulting a DICOM image file and needing.Server is obtaining at least one
After DICOM image file, it can parse the file header of each DICOM image file at least one DICOM image file, obtain
The information such as series number, picture position, slice position, instance number, patient name, thickness are obtained, and parse each DICOM image file
Figure point data, obtain CT value.Wherein, series number, thickness and patient name belong to general information, and one each of serial
The general information that DICOM image file includes is all the same, and picture position, slice position and instance number belong to individual information, and one
The individual information that each DICOM image file of series includes is different.In this way, passing through the letter for including by DICOM image file
Breath is divided into general information and individual information, to the reading of identical general information after capable of reducing.
304, for server by least one DICOM image file, the identical DICOM image file of series number is determined as one
The DICOM image file of a series, and generate the title of each DICOM image file.
Wherein, after server obtains the series number of each DICOM image file in step 303, server can will
The identical DICOM image file of series number is determined as a serial DICOM image file, and obtains multiple and different series
Number and the corresponding DICOM image file of each series number.And server can scheme according to the corresponding DICOM of a series number
As the picture position of file, all DICOM image files for including to the series are according to the sequence generated by arriving first rear CT equipment
It is ranked up, and generates the title that can show that genesis sequence according to ranking results.
305, server obtains corresponding pixel value, and in image data text according to the CT value of each DICOM image file
In part, the pixel value and individual information of each DICOM image file are saved.
Wherein, pixel value is used to construct the pixel data of still image format.Server obtains each in step 303
It can be first single with a series in the first data structure of memory after the CT value and individual information of DICOM image file
Position, saves CT value, slice position and the instance number of each DICOM image file that each series includes, then by the first data
The CT value of each DICOM image file is converted into corresponding pixel value in structure, and is saved in the first data structure.Most
Server can be by pixel value, the slice position for each DICOM image file that series each in the first data structure includes afterwards
It saves with instance number to hard disk.
306, server obtains the storing path of the pixel value and individual information that save each DICOM image file.
It wherein, include title in storing path, which is used to indicate the DICOM image text in image data file
The storage location of the pixel value of part, slice position and instance number.
307, server is in destination file by stages, saves the series number of the DICOM image file of each series and right
The storing path of each DICOM image file for the series answered.
Wherein, server can first be with one in the second data structure of memory after getting storing path
It is classified as unit, saves the series number and the corresponding thickness of each series number, patient's surname of the DICOM image file of each series
Name and storing path, then server can will be in the destination file by stages of the information preservation in the second data structure to hard disk.
The store method of DICOM image based on Fig. 3, the embodiment of the present application provide a kind of preloading of DICOM image
Method, as shown in figure 4, this method may include:
401, host determines according to user to the lookup operations of the first DICOM image file and preloads DICOM image text
Part.
Wherein, when user consults the first DICOM image file, host can obtain first according to the lookup operations of user
The series number of DICOM image file, and according to the series number of the first DICOM image file, it determines and preloads DICOM image text
Part preloads DICOM image file and refers to a series of next files that user browses, and preloads DICOM image file
A series of corresponding files of series number comprising the first DICOM image file.
402, host judges whether to be stored with the pixel data for preloading DICOM image file.
Wherein, pixel data is the data for the display format that browser obtained according to pixel value, host is supported.Host
After determining to preload DICOM image file, the pixel data and individual information of DICOM image file can will be preloaded
It caches to host.Preloading DICOM image file due to being saved after may being consulted before comprising user in the caching of host again
Pixel data, therefore host can be literary according to each DICOM image of the series number of the first DICOM image file and the series
The title of part, by the series number that judges whether to be stored with the first DICOM image file and corresponding comprising each DICOM
The storing path of the title of image file, to determine whether to be stored with the pixel data for preloading DICOM image file.
Specifically, host can first judge in browser memory whether include the first DICOM image file series number, with
And the storing path of the corresponding title comprising each DICOM image file.If schemed in browser memory comprising the first DICOM
As the series number of file and the storing path of the corresponding title comprising each DICOM image file, it is determined that in browser
Comprising all pixel datas for preloading DICOM image file in depositing, user is just consulted during showing the diagosis in the period
The DICOM image file of the series is crossed, at this point it is possible to execute following steps 403- step 407.
If in browser memory comprising the first DICOM image file series number and it is corresponding include part DICOM
The storing path of the title of image file, it is determined that preload the pixel of DICOM image file in browser memory comprising part
Data preload the part pixel data of DICOM image file, can execute following steps 403- step 407.For
The pixel data for the preloading DICOM image file for not including in browser memory, host can be according to the first DICOM image texts
Whether the title for the DICOM image file for not including in the series number and browser memory of part judges in hard disk comprising first
The series number of DICOM image file and corresponding comprising the title for the DICOM image file for not including in browser memory
Storing path, if comprising, it is determined that the pixel data of the preloading DICOM image file in hard disk comprising remainder, this
When, following steps 403- step 407 can be executed, if do not included, it is determined that do not include the preloading of remainder in hard disk
The pixel data of DICOM image file, at this point it is possible to execute following steps 408- step 411.
If series number in browser memory not comprising the first DICOM image file and corresponding comprising each
The storing path of the title of DICOM image file, it is determined that do not include all preloading DICOM image files in browser memory
Pixel data, show that user during the diagosis in the period consults the DICOM image file of the series for the first time, at this point, main
Machine may determine that in hard disk whether the series number comprising the first DICOM image file and corresponding comprising each DICOM image
The storing path of the title of file.If series number in hard disk comprising the first DICOM image file and corresponding comprising every
The storing path of the title of a DICOM image file, it is determined that include all pixels for preloading DICOM image file in hard disk
Data show that user once consulted the DICOM image file of the series before this diagosis, at this point it is possible to execute following
Step 403- step 407.
If in hard disk comprising the first DICOM image file series number and it is corresponding comprising part DICOM image text
The storing path of the title of part, it is determined that the pixel data for preloading DICOM image file in hard disk comprising part, for the portion
Divide the pixel data for preloading DICOM image file, following steps 403- step 407 can be executed.For not including in hard disk
Preloading DICOM image file pixel data, following steps 408- step 411 can be executed.
If in hard disk not comprising the first DICOM image file series number and it is corresponding include each DICOM image
The storing path of the title of file, it is determined that do not include all pixel datas for preloading DICOM image file in hard disk, show
User never consulted the DICOM image file of the series, at this point, host can execute following steps 408- step 411.
403, host, according to storing path, is obtained when determining the pixel data for being stored with preloading DICOM image file
Preload the pixel data of DICOM image file.
Wherein, if series number in browser memory comprising the first DICOM image file and corresponding comprising each
The storing path of the title of DICOM image file, then host can be according to the preservation of the title comprising each DICOM image file
Path, obtains the pixel data of the DICOM image file of storing path instruction from browser memory, and executes following steps
404- step 407 is checked with requesting to preload the individual information of DICOM image file for user.
If in browser memory comprising the first DICOM image file series number and it is corresponding include part DICOM
The storing path of the title of image file, series number in hard disk comprising the first DICOM image file and corresponding comprising surplus
Remaining part divides the storing path of the title of DICOM image file, then host can be according to the storing path in browser memory, from clear
It lookes in device memory and obtains the pixel data that the part preloads DICOM image file, and according to the storing path in hard disk, from hard
The pixel data of the preloading DICOM image file of remainder is obtained in disk, and executes following steps 404- step 407, with
Request preloads the individual information of DICOM image file.
If in browser memory comprising the first DICOM image file series number and it is corresponding include part DICOM
The storing path of the title of image file, and series number and corresponding packet in hard disk not comprising the first DICOM image file
The storing path of the title for the DICOM image file for not including in memory containing browser, then host can be according to browser memory
In storing path, the pixel data that the part preloads DICOM image file is obtained from browser memory, and execute following
Step 404- step 407, to request to preload the individual information of DICOM image file.
If series number in browser memory not comprising the first DICOM image file and corresponding comprising each
The storing path of the title of DICOM image file, but include that then host can be obtained from hard disk according to storing path in hard disk
The pixel data for preloading DICOM image file is taken, and executes following steps 404- step 407.
If series number in browser memory not comprising the first DICOM image file and corresponding comprising each
The storing path of the title of DICOM image file, but comprising the series number of the first DICOM image file in hard disk, and correspond to
The title comprising part DICOM image file storing path, then host can be according to storing path, and obtaining from hard disk should
Part preloads the pixel data of DICOM image file, and executes following steps 404- step 407.
In the embodiment of the present application, since the pixel data for preloading DICOM image file is that host directly delays from itself
Middle acquisition is deposited, therefore reduces host and requests pixel data and server that CT value is converted into pixel value, general to server
Pixel value is converted into the treatment process of the pixel data of still image format, in this way, by obtaining user from the caching of host
Next the DICOM image file for the series consulted substantially increases the speed for the DICOM image that host shows that user need to check
Degree.
404, host sends first to server and consults request.
Wherein, first the series number and one first preloading DICOM in request comprising the first DICOM image file are consulted
The pixel data of the title of image file, this one first preloading DICOM image file stores in host, and first consults
Request the individual information for requesting this one first preloading DICOM image file.For the preloading stored in host
The pixel data of DICOM image file, host can successively send out request and request to preload of DICOM image file to server
Property information, herein by request one first preloading DICOM image file individual information for be illustrated.
405, the first access request that server receiving host is sent.
406, server returns to the individual information of one first preloading DICOM image file to host.
Wherein, server, can be first from destination file by stages after receive host transmission first consults request
Series number identical with the series number of the first DICOM image file is searched, and is searched from the corresponding storing path of the series number
The storing path of the title of DICOM image file is preloaded comprising one first, then can be obtained according to the storing path
The individual information of corresponding this one first preloading DICOM image file, and send it to host.
407, host receives the individual information for the one first preloading DICOM image file that server is sent.
408, host sends the to server when determining the not stored pixel data for having and preloading DICOM image file
Two consult request.
Wherein, second the series number and one second preloading DICOM in request including the first DICOM image file are consulted
The pixel data of the title of image file, this one second preloading DICOM image file does not store in host, and second consults
Request the pixel data and individual information for requesting this one second preloading DICOM image file.
If in browser memory comprising the first DICOM image file series number and it is corresponding include part DICOM
The storing path of the title of image file, and series number and corresponding packet in hard disk not comprising the first DICOM image file
The storing path of the title for the DICOM image file for not including in memory containing browser, then host can send the to server
Two consult request, to request the pixel data for preloading DICOM image file and individual character letter of remainder from server
Breath.
If in hard disk comprising the first DICOM image file series number and it is corresponding comprising part DICOM image text
The storing path of the title of part, then host can send second to server and consult request, remaining to request from server
The pixel data and individual information of partial preloading DICOM image file.
If in hard disk not comprising the first DICOM image file series number and it is corresponding include each DICOM image
The storing path of the title of file, then host can send second to server and consult request, to request institute from server
There are the pixel data and individual information for preloading DICOM image file.
409, the second access request that server receiving host is sent.
410, server sends the pixel data and individual information of one second preloading DICOM image file to host.
Wherein, server, can be first from destination file by stages after receive host transmission second consults request
Series number identical with the series number of the first DICOM image file is searched, and is searched from the corresponding storing path of the series number
The storing path of the title of DICOM image file is preloaded comprising one second, then can be obtained according to the storing path
The pixel value and individual information of corresponding DICOM image file, and according to the pixel value of DICOM image file, it obtains corresponding
The pixel data and individual information of still image format, and send it to host.
411, host receives the pixel data and individual character letter for the one second preloading DICOM image file that server is sent
Breath.
Wherein, host is obtaining the pixel data and individual character for preloading DICOM image file according to step 408- step 411
In the mode of information, the pixel data due to preloading DICOM image file is server directly according to the picture stored in caching
It is obtained after plain value conversion, reduces the treatment process that CT value is converted into pixel value, improved host and show that user need to check
DICOM image speed.
412, host saves the second pixel data for preloading DICOM image file, and records the first DICOM image file
Series number and corresponding storing path.
Wherein, main for the pixel data of the preloading DICOM image file got according to step 408- step 411
Machine can save the pixel data of the second preloading DICOM image file, and record the series number of the first DICOM image file
With corresponding storing path.Specific: host can first save second in browser memory and preload DICOM image file
Pixel data, and the storing path for saving the pixel data of the second preloading DICOM image file is obtained, then in browser
The series number of the first DICOM image file of record and corresponding storing path in memory, so as to diagosis of the user within the period
When consulting the DICOM image again in the process, host can directly acquire the storing path of the DICOM image file, and root
The pixel data that the DICOM image file in browser memory is called directly according to the storing path, is checked, greatly for user
Improve the display speed and fluency of host.
And since the information in browser memory can lose after host power-off, host can exit this in user
When diagosis in the period, second is saved in a hard disk and preloads the pixel data of DICOM image file, and record the in a hard disk
The series number of one DICOM image file and corresponding storing path, so that user's diagosis next time consults the DICOM image file
When, host can directly search corresponding storing path from itself hard disk, and be called directly in hard disk according to the storing path
The DICOM image file pixel data, checked for user.
413, host stops obtaining the first DICOM when detecting lookup operations of the user to the 2nd DICOM image file
A series of corresponding files of the series number of image file.
Wherein, if host is during a series of series number of the first DICOM image file of request corresponding files,
Detect user to the lookup operations of the 2nd DICOM image file, the series number and first of the 2nd DICOM image file
The series number of DICOM image file is different, then host can stop obtaining the series number corresponding one of the first DICOM image file
Paper series, and above step 401- step 412 is executed, to obtain the corresponding system of series number of the 2nd DICOM image file
Column file.In this way, obtaining next DICOM image that user can check in advance by tracking user behavior in real time, working as user
When next browsing series DICOM image file, the fluency that host shows DICOM image is further improved.
It should be noted that in the embodiment of the present application, if host is in the series for getting the first DICOM image file
After a series of number corresponding files, the DICOM image file that user consults other series numbers is still not detected within a preset time,
Then host can execute above step 401- step 412, to obtain a series of corresponding files of other series numbers.
Further, before user consults DICOM image file, host can first obtain result information by stages.Specifically
, in conjunction with Fig. 4, as shown in figure 5, before executing above-mentioned steps 401, the pre-add of DICOM image provided by the embodiments of the present application
Support method can also include the following steps 501- step 504:
501, host sends diagosis request to server.
502, the diagosis request that server receiving host is sent.
503, server sends result information by stages to host.
Wherein, result information includes series number and the corresponding thickness of each series number, patient name and the series by stages
All DICOM image files title.For server after receiving the diagosis request of host transmission, server can be direct
Result information by stages is obtained from destination file by stages, and is returned to host, in this way, without server to the original of magnanimity
DICOM image file carries out in real time by stages, reducing data processing time, improving the display speed of host.
504, host receives and saves the result information by stages of server transmission.
It should be noted that in the embodiment of the present application, the store method of the DICOM image file based on Fig. 4, another
Kind preload DICOM image possible implementation in, server can after saving DICOM image file for the first time,
It sends a notification message to host, includes point in the notification message to notify host to carry out the automatic preloading of DICOM image file
Phase result information.In this way, host successively can send preview request to server, to load each DICOM image text in advance
The pixel data and individual information of part.In concrete implementation, the sequencing that can generate in the file according to each series
Preview request is sent, and successively in order to improve user experience, it can be with the DICOM figure of first generation of each series of override requests
As the pixel data and individual information of file.Illustratively, it is assumed that include three serial points in the notification message that host receives
Phase result information, then host can successively request the pixel data and individual character of the DICOM image file of first generation of 1 series
The pixel data and individual information of the DICOM image file of first generation of information, 2 series, first of 3 series generate
The pixel data and individual information of DICOM image file, 1 series second generation DICOM image file pixel data
With second of individual information, the pixel data of the DICOM image file of second generation of 2 series and individual information, 3 series
The pixel data and individual information of the DICOM image file of generation, and so on.
The pre-add support method of DICOM image provided by the present application, since host is detecting user to the first DICOM image
After the lookup operations of file, next can browse the first DICOM image file according to user's behavior prediction user is
A series of corresponding files of row number, and a series of corresponding files of series number for obtaining the first DICOM image file in advance, with
Just it when next user browses series DICOM image file, can be directly viewable, reduce the every secondary response lookup operations of host
When, need to request pixel data and server to carry out CT value being converted into pixel value to server, pixel value is converted into it is quiet
The treatment process of the pixel data of state picture format improves the fluency that host shows DICOM image.
Also, host can determine whether to compress at least one DICOM image file according to transfer syntax, fast
While speed uploads DICOM image file, the repeated compression and decompression of DICOM image file are avoided.
It is above-mentioned that mainly scheme provided by the embodiments of the present application is described from the angle of host.It is understood that
In order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software module for host.This field skill
Art personnel should be readily appreciated that algorithm steps described in conjunction with the examples disclosed in the embodiments of the present disclosure are of the invention
It can be realized with the combining form of hardware or hardware and computer software.Some function is actually with hardware or computer software
The mode of hardware is driven to execute, the specific application and design constraint depending on technical solution.Professional technician can be with
Each specific application is used different methods to achieve the described function, but this realization is it is not considered that exceed this hair
Bright range.
The embodiment of the present application can carry out the division of functional module according to above method example to host, for example, can be right
The each functional module of each function division is answered, two or more functions can also be integrated in a processing module.
Above-mentioned integrated module both can take the form of hardware realization, can also be realized in the form of software function module.It needs
Illustrate, is schematical, only a kind of logical function partition to the division of module in the embodiment of the present application, it is practical to realize
When there may be another division manner.
In the case where each function division of use correspondence each functional module, Fig. 6 is shown involved in above-described embodiment
Host alternatively possible composition schematic diagram, as shown in fig. 6, the host may include: acquiring unit 61 and determination unit
62。
Wherein, acquiring unit 61, for supporting host to execute the step in the pre-add support method of DICOM image shown in Fig. 4
Rapid 403.
Determination unit 62, for supporting host to execute the step 401 in the pre-add support method of DICOM image shown in Fig. 4.
It should be noted that all related contents for each step that above method embodiment is related to can quote correspondence
The function of functional module describes, and details are not described herein.
Host provided by the embodiments of the present application for executing the pre-add support method of above-mentioned DICOM image, therefore can achieve
Effect identical with the pre-add support method of above-mentioned DICOM image.
Using integrated unit, the another kind that Fig. 7 shows host involved in above-described embodiment can
The composition schematic diagram of energy.As shown in fig. 7, the host includes: processing module 71 and communication module 72.
Processing module 71 is for carrying out control management to the movement of host, for example, processing module 71 is for supporting host to hold
Step 401, step 403 in row Fig. 4, and/or other processes for techniques described herein.Communication module 72 is for branch
Host and other network entities are held, such as the communication of server.Host can also include memory module 73, for storing the journey of host
Sequence code and data.
Wherein, processing module 71 can be the processor in Fig. 2.It, which may be implemented or executes, combines the disclosure of invention
Described various illustrative logic blocks, module and circuit.Processor is also possible to realize the combination of computing function, such as
It is combined comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication module 72 can be logical in Fig. 2
Believe interface.Memory module 73 can be the memory in Fig. 2.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete
All or part of function described above.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the module or unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It may be combined or can be integrated into another device, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown can be a physical unit or multiple physical units, it can and it is in one place, or may be distributed over
Multiple and different places.Some or all of unit therein can be selected to realize this embodiment scheme according to the actual needs
Purpose.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a read/write memory medium.Based on this understanding, the technical solution of the embodiment of the present application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that an equipment (can be list
Piece machine, chip etc.) or processor (processor) perform all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Change or replacement in the technical scope disclosed by the present invention, should be covered by the protection scope of the present invention.Therefore, this hair
Bright protection scope should be based on the protection scope of the described claims.
Claims (10)
1. a kind of pre-add support method of digital imaging and communications in medicine DICOM image, which is characterized in that the described method includes:
Host, to the lookup operations of the first DICOM image file, obtains the series of the first DICOM image file according to user
Number；
The host determines according to the series number of the first DICOM image file and preloads DICOM image file, described pre-
Load DICOM image file refers to that a series of next files that user browses, the preloading DICOM image file include
A series of corresponding files of series number of the first DICOM image file；
The host obtains the pixel data and individual information for preloading DICOM image file, and the pixel data is root
The data for the display format that browser obtain according to pixel value, host is supported, the individual information are to consult the DICOM figure
The information needed as file.
2. the pre-add support method of DICOM image according to claim 1, which is characterized in that the host obtains described pre-
Load the pixel data and individual information of DICOM image file, comprising:
The host obtains the preloading when determining the pixel data for being stored with the preloading DICOM image file
The pixel data of DICOM image file, and send first to server and consult request, it include described in the first access request
The title of the series number of first DICOM image file and one first preloading DICOM image file, one first pre-add
The pixel data for carrying DICOM image file stores in the host, and the first access request is one for requesting
First preloads the individual information of DICOM image file；
The host receives the server is sent one first individual information for preloading DICOM image file.
3. the pre-add support method of DICOM image according to claim 1, which is characterized in that the host obtains described pre-
Load the pixel data and individual information of DICOM image file, comprising:
The host is when determining the not stored pixel data for having the preloading DICOM image file, Xiang Suoshu server hair
The second access is sent to request, described second consults the series number and one second in request including the first DICOM image file
The title of DICOM image file is preloaded, one second preloads the pixel data of DICOM image file not in the master
Stored in machine, it is described second consult request for request it is one second preload DICOM image file pixel data and
Individual information；
The host receive the pixel data that the server is sent one second preloads DICOM image file and
Property information.
4. the pre-add support method of DICOM image according to claim 2 or 3, which is characterized in that
The host is determining the series number for being stored with the first DICOM image file and corresponding comprising the pre-add
When carrying the storing path of the title of DICOM image file, determines and be stored with the pixel number for preloading DICOM image file
According to；
The host is determining the not stored series number for having the first DICOM image file and corresponding comprising described pre-
When loading the storing path of the title of DICOM image file, the not stored pixel for having the preloading DICOM image file is determined
Data.
5. the pre-add support method of DICOM image according to claim 3, which is characterized in that the method also includes:
The host saves the one second pixel data for preloading DICOM image file.
6. according to claim 1-3, the pre-add support method of DICOM image described in any one of 5, which is characterized in that the side
Method further include:
The host stops obtaining the first DICOM when detecting lookup operations of the user to the 2nd DICOM image file
A series of corresponding files of the series number of image file, the series number of the 2nd DICOM image file and the first DICOM
The series number of image file is different.
7. according to claim 1-3, the pre-add support method of DICOM image described in any one of 5, which is characterized in that the side
Method further include:
The host is after getting a series of corresponding files of series number of the first DICOM image file, when default
It is interior that the DICOM image file that user consults other series numbers is still not detected, then obtain described other series numbers corresponding one
Paper series.
8. according to claim 1-3, the pre-add support method of DICOM image described in any one of 5, which is characterized in that the side
Method further include:
The host receives the notification message that the server is sent, and the notification message is for notifying the host to carry out
The automatic preloading of DICOM image file includes that result information, the result information by stages include by stages in the notification message
The title of each DICOM image file of the series number and series of the DICOM image file of each series；
The host sends preview request to the server, includes that a DICOM image file is in the preview request
Row number and title；
The host receives the pixel data and individual information for one DICOM image file that the server is sent.
9. a kind of host, which is characterized in that the host includes: acquiring unit and determination unit；
The acquiring unit obtains the first DICOM for the lookup operations according to user to the first DICOM image file
The series number of image file；
The determination unit determines for the series number according to the first DICOM image file and preloads DICOM image text
Part, the preloading DICOM image file refer to a series of next files that user browses, the preloading DICOM figure
As file includes a series of corresponding files of series number of the first DICOM image file；
The acquiring unit is also used to obtain the pixel data and individual information for preloading DICOM image file, the picture
The data for the display format that prime number is supported according to the browser for being obtained according to pixel value, host, the individual information are to consult
The information that the DICOM image file needs.
10. a kind of computer storage medium, which is characterized in that the computer storage medium includes computer executed instructions, when
When the computer executed instructions are run on computers, so that the computer is executed such as any one of claim 1-8
The pre-add support method of the DICOM image.
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Application publication date: 20191008 |
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