CN106548010A - A kind of method and device of DICOM images remote browse - Google Patents
A kind of method and device of DICOM images remote browse Download PDFInfo
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Abstract
The invention belongs to image display technology field, and in particular to a kind of method and device of DICOM images remote browse.The method is comprised the following steps：The attribute data of the DICOM images that the reception server sends, the attribute data include pixel coder data and other attribute datas；To the pixel coder decoding data, the decoding data of DICOM images is obtained；According to the decoding data, the Unicode codings of DICOM images are obtained；Unicode codings are combined, the pixel data of DICOM images is obtained；According to described other attribute datas, other property values of the DICOM images are set；According to the pixel data and other property values of the DICOM images, show the DICOM images.The embodiment of the present invention can be used for browsing client, use for Client browse DICOM images.
Description
Technical field
The invention belongs to image display technology field, and in particular to a kind of method and device of DICOM images remote browse.
Background technology
Digital imaging and communications in medicine（Digital Imaging and Communications in Medicine, letter
Claim DICOM）Be it is a kind of be widely used in Medical Image Processing, storage, transmission, print file format standard.The standard is by the U.S.
National Electrical Manufactures Association (NEMA)（NEMA）Create, for helping transmit and check medical image, such as computed tomography image（CT）, X penetrates
Line image（XR）, magnetic resonance image (MRI)（MR）, positron emission tomography image（PET）, ultrasonography（US）Deng.
In the market in the DICOM image remote browse technologies of main flow, the use of process majority is that client installs plug-in unit,
After original DICOM file is uploaded onto the server, browsable DICOM image files, Zhi Houke are parsed and generated by server ends
Family end obtains whole browsable DICOM image files from server end and is locally being browsed.Inventor's discovery, this tradition
DICOM imaging techniques at least there is following drawback：Parsed by server end and generate browsable image file, can be made
It is excessive into server stress；The whole image file size that server end is generated is excessive so that in client process is transferred to
Transmission speed is excessively slow and transmission stability is not good；What is got due to client is the image file that generated, is being browsed
Will there are some compatibility issues in aspect；Browse every time and all file can be reacquired from server, cause user network flow
Waste and time consumption.
The content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of method and device of DICOM images remote browse, utilizes
The method browsing client does not need downloaded software or installs plug-in unit, it is only necessary to have the browser of a support related pattern
Browse DICOM images.
The present invention is adopted the following technical scheme that：
On the one hand, the present invention provides a kind of method of DICOM images remote browse, and which comprises the following steps：
The attribute data of the DICOM images that the reception server sends, the attribute data include pixel coder data and other category
Property data；Described other attribute datas are the data of the attribute of other the one or more DICOM image in addition to pixel；
To the pixel coder decoding data, the decoding data of DICOM images is obtained；
According to the decoding data, the Unicode codings of DICOM images are obtained；
Unicode codings are combined, the pixel data of DICOM images is obtained；
According to described other attribute datas, other property values of the DICOM images are set；
According to the pixel data and other property values of the DICOM images, show the DICOM images.
Preferably, in the method for the DICOM images remote browse, in the decoding data of the acquisition DICOM images
Afterwards, and before the Unicode codings of the acquisition DICOM images, also include：The decoding data is converted to into length 2
16 data of byte.
It is preferred that in the method for described DICOM image remote browses, it is described to show that the DICOM images include：To setting
The attribute and pixel for being equipped with property value loads corresponding Canvas.
Preferably, it is in the method for described DICOM image remote browses, described to show that the DICOM images also include：It is right
The DICOM images for showing carry out landscaping treatment.
It may further be preferable that in the method for described DICOM image remote browses, described other attribute datas include：
Altitude information, width data, window width data, window position data, byte-sized data.
On the other hand, the present invention also provides a kind of device of DICOM images remote browse, and which includes：
Receiver module, the attribute data of the DICOM images sent for the reception server, the attribute data include pixel coder
Data and other attribute datas；Described other attribute datas are the category of other the one or more DICOM image in addition to pixel
The data of property；
Decoder module, for the pixel coder decoding data, obtaining the decoding data of DICOM images；
Coding module is obtained, for according to the decoding data, obtaining the Unicode codings of DICOM images；
Picture element module is obtained, for Unicode codings are combined, the pixel data of DICOM images is obtained；
Setup module, for according to described other attribute datas, arranging other property values of the DICOM images；
Display module, for the pixel data according to the DICOM images and other property values, shows the DICOM images.
Preferably, the device of described DICOM image remote browses, which also includes modular converter, for obtaining described
After taking the decoding data of DICOM images, and before the Unicode codings of the acquisition DICOM images, by the solution yardage
According to 16 data for being converted to 2 bytes of length.
It is preferred that in the device of described DICOM image remote browses, the display module includes loading unit, is used for
Attribute and pixel to being provided with property value loads corresponding Canvas.
It is preferred that in the device of described DICOM image remote browses, the display module also includes beautification unit：
Landscaping treatment is carried out for the DICOM images to showing.
Further, in the device of described DICOM image remote browses, described other attribute datas include：The high number of degrees
According to, width data, window width data, window position data, byte-sized data.
The method of the DICOM image remote browses in the embodiment of the present invention, browsing client do not need downloaded software or peace
Plug part, it is only necessary to have the browser of a support related pattern（Such as html5 browsers）I.e. browsable DICOM images；Service
The attribute data that device end generates has been diminished compared with existing browsable image file volume a lot, it is thus possible to improve
Transmission speed and the stability of transmission；As long as client supports related browser（Such as html5 browsers）, solve not
Compatible problem；The embodiment of the present invention can utilize the automatic caching technology of browser so that client is straight when browsing for the first time
Connect and download, can subsequently reuse, therefore, image need not be reacquired from server when subsequently browsing coherent video
File, has saved the network traffics of user；In addition, server end only need to be by original DICOM image codings into related data text
Part, it is not necessary to directly generate browsable image file, therefore server stress can be reduced.
Description of the drawings
Flow charts of the Fig. 1 for the method for the DICOM image remote browses in one embodiment of the present invention.
Fig. 2 is the flow chart of the method for the DICOM image remote browses in another preferred embodiment of the invention.
Structure charts of the Fig. 3 for the device of the DICOM image remote browses in one embodiment of the present invention.
Fig. 4 is the structure chart of the device of the DICOM image remote browses in another preferred embodiment of the invention.
Specific embodiment
In order to clearly understand technical scheme, below in conjunction with the accompanying drawings the present invention is described in detail.
Embodiments of the invention have an exemplary effect, those skilled in the art make on the basis of the embodiment of the present invention without essence
The improvement of property, should all belong to protection scope of the present invention.
The embodiment of the present invention can be used for browsing client, use for Client browse DICOM images.
The method of DICOM image remote browses as shown in Figure 1, which can be applicable to client, comprise the following steps：
S101：The reception server send DICOM images attribute data, the attribute data include pixel coder data and its
His attribute data；Described other attribute datas are the data of the attribute of other the one or more DICOM image in addition to pixel.
When the user of client wants to browse DICOM images, application information can be submitted to by user end to server；
After server receives the application information of client, according to this application information to decoding to original DICOM images, and can incite somebody to action
Code pixel data pixel coded data therein, while the related data of other attributes is extracted, according to these dependency numbers
According to other attribute datas of generation；Then, the attribute data including pixel coder data and other attribute datas is sent to into client
End.
The attribute of DICOM images generally comprises the pixel of image, height, width, window width, window position, byte-sized etc..It is described
Other attribute datas, can be altitude information, width data, window width data, window position data, the one kind in byte-sized data or
It is various.The pixel coder data, can generally be Base64 coded datas or other can be adapted to browser（As html5 is browsed
Device）The coded data of decoding.Described other attribute datas, should be transmitted and related browser with facilitating（Such as html5 browsers）Can
With the format transmission for recognizing.
S102：To the pixel coder decoding data, the decoding data of DICOM images is obtained.
The pixel coder data encoded by different technologies, should select corresponding decoding technique to carry out decoding operate.If
It is Base64 coded datas, then can utilizes Atob（ASCII to Binary）Decoded.
S103：According to the decoding data, the Unicode codings of DICOM images are obtained.
Unicode, is an industrywide standard in computer science, including character set, encoding scheme etc..
The Unicode codings of DICOM images are obtained, can be by using charCodeAt technical limit spacings；charCodeAt
Method can return to the Unicode codings of the character of specified location, and this return value is the integer between 0-65535.
S104：Unicode codings are combined, the pixel data of DICOM images is obtained.
Wherein, the pixel data of acquisition is also Unicode coded formats.It is described that Unicode codings are carried out into group
Close, can be combined to obtain the picture of DICOM images by the Unicode codings of above-mentioned acquisition according to rule set in advance
Prime number evidence.The rule set in advance can be：When obtaining the Unicode codings of DICOM images, Unicode is encoded
Order according to agreement is arranged, and when Unicode codings are combined, is directly encoded second Unicode
Certain pixel data is obtained with first Unicode coded combination, by the 4th Unicode coding and the 3rd Unicode
Coded combination obtains one other pixel data, by that analogy, until obtaining all of pixel data.Certainly, it is described to preset
Rule can also be other executable rules.
S105：According to described other attribute datas, other property values of the DICOM images are set.
Described other property values, are the property values of the attribute of other one or more DICOM image in addition to pixel.Institute
It can be a scope of data or concrete numerical value to state other attribute datas.When an attribute data in other attribute datas is
During scope of data, the property value that the attribute data of setting is corresponding should be in the scope of data.When in other attribute datas
When one attribute data is concrete numerical value, the property value that the attribute data of setting is corresponding is the concrete numerical value.For example：Highly
Data are 15-20cm, then the height value for arranging can be 15,16,17,18,19,20 or other should in the range of suitable number
Value；For another example：Width data is 18cm, then the width value for arranging is 18cm.
Described in obtain before other attribute datas, each attribute is designed with corresponding property value, when getting certain
During the attribute data of attribute, corresponding property value can be modified according to the attribute data；If not getting certain attribute
Attribute data, then the corresponding property value of the attribute will not change.
S106：According to the pixel data and other property values of the DICOM images, show the DICOM images.
After the related data that client the reception server sends, through above-mentioned associative operation, DICOM images can be shown.
The method of the DICOM image remote browses in the embodiment of the present invention, browsing client do not need downloaded software or peace
Plug part, it is only necessary to have the browser of a support related pattern（Such as html5 browsers）I.e. browsable DICOM images；Service
The attribute data that device end generates has been diminished compared with existing browsable image file volume a lot, it is thus possible to improve
Transmission speed and the stability of transmission；As long as client supports related browser（Such as html5 browsers）, solve not
Compatible problem；The embodiment of the present invention can utilize the automatic caching technology of browser so that client is straight when browsing for the first time
Connect and download, can subsequently reuse, therefore, image need not be reacquired from server when subsequently browsing coherent video
File, has saved the network traffics of user；In addition, server end only need to be by original DICOM image codings into related data text
Part, it is not necessary to directly generate browsable image file, therefore server stress can be reduced.
On the basis of the method for DICOM image remote browses as shown in Figure 1, in the solution of the acquisition DICOM images
After code data, and before the Unicode codings of the acquisition DICOM images, also include：The decoding data is converted to
16 data of 2 bytes of length.
After obtaining decoding data, the decoding data is first converted to 16 data of 2 bytes of length, afterwards, root
According to the decoding data of 16 data, the Unicode codings of DICOM images are obtained.The decoding data is converted to into length 2
16 data of individual byte, can improve the accuracy of pixel data.Specifically, can with ArrayBuffer and
Decoding data is converted to Uint16Array technologies 16 data of 2 bytes of length.ArrayBuffer represents binary number
According to original buffer area, the relief area is used to store the data of all kinds array.Uint16Array objects are 16 nothings
The integer-valued typing array of symbol.
It is preferred that in the method for DICOM image remote browses as shown in Figure 1, it is described to show the DICOM images bag
Include：Attribute and pixel to being provided with property value loads corresponding Canvas.
Canvas, is the container of figure.Attribute and pixel to being provided with property value loads corresponding Canvas, it is possible to
The property value and pixel data that are provided with respective attributes are shown by figure.
Preferably, it is in the method for described DICOM image remote browses, described to show that the DICOM images also include：
The DICOM images to showing carry out landscaping treatment.
The landscaping treatment can include entering edlin, amplification, diminution, dragging, upset etc. to DICOM images.At beautification
DICOM images after reason are more suitable for user's viewing.
Further, described other attribute datas include：Altitude information, width data, window width data, window position data, word
Section size data.
Altitude information represents the height of the DICOM images that needs show, and width data represents what needs showed
The width of DICOM images, window width data represent the window width of the DICOM images that needs show, and window position data are represented needs exhibition
The window position of the DICOM images for coming is shown, byte-sized data represent the byte-sized of the DICOM images that needs show.
The method of the DICOM image remote browses being preferably based on shown in Fig. 1, the DICOM that the reception server sends
After the attribute data of image, also include：Extract the pixel coder data from the attribute data respectively and other belong to
Property data.
After extracting the pixel coder data and other attribute datas, can be conveniently respectively to the pixel coder number
According to the subsequent treatment carried out with other attribute datas.
The method of DICOM image remote browses as shown in Figure 2, which does not need downloaded software or installs plug-in unit, directly leads to
Cross and support that the browser of html5 can just show DICOM images, specifically include：
S201：Server is decoded to original DICOM images, by the code pixel data of DICOM images into Base64 pixels
Coded data, while extracting and generating other attribute datas；Then, will be including Base64 pixel coders data and other attribute numbers
According to attribute data be sent to client；Described other attribute datas are other the one or more DICOM shadows in addition to pixel
The data of the attribute of picture；
S202：The attribute data of the DICOM images that client the reception server sends；
S203：Client obtains the decoding of DICOM images by Atob technologies to Base64 pixel coder decoding datas
Data；
S204：The decoding data is converted to 2 bytes of length with ArrayBuffer and Uint16Array technologies by client
16 data；
S205：According to the decoding data of 16 of 2 bytes of length, by charCodeAt technical limit spacing DICOM images
Unicode is encoded；
S206：Unicode codings are combined, the pixel data of DICOM images is obtained；
S207：According to described other attribute datas, other property values of the DICOM images are arranged with json forms；
S208：According to the pixel data and other property values of the DICOM images, by attribute and picture to being provided with property value
Prime number shows DICOM images according to corresponding Canvas is loaded, while the DICOM images to showing are carried out at beautification
Reason.
The device of DICOM image remote browses as shown in Figure 3, can be used for client, and which includes：
Receiver module, the attribute data of the DICOM images sent for the reception server, the attribute data include pixel coder
Data and other attribute datas；Described other attribute datas are the category of other the one or more DICOM image in addition to pixel
The data of property；
Decoder module, for the pixel coder decoding data, obtaining the decoding data of DICOM images；
Coding module is obtained, for according to the decoding data, obtaining the Unicode codings of DICOM images；
Picture element module is obtained, for Unicode codings are combined, the pixel data of DICOM images is obtained；
Setup module, for according to described other attribute datas, arranging other property values of the DICOM images；
Display module, for the pixel data according to the DICOM images and other property values, shows the DICOM images.
The device of the DICOM image remote browses in the embodiment of the present invention, browsing client do not need downloaded software or peace
Plug part, it is only necessary to have the browser of a support related pattern（Such as html5 browsers）I.e. browsable DICOM images；Service
The attribute data that device end generates has been diminished compared with existing browsable image file volume a lot, it is thus possible to improve
Transmission speed and the stability of transmission；As long as client supports related browser（Such as html5 browsers）, solve not
Compatible problem；The embodiment of the present invention can utilize the automatic caching technology of browser so that client is straight when browsing for the first time
Connect and download, can subsequently reuse, therefore, image need not be reacquired from server when subsequently browsing coherent video
File, has saved the network traffics of user；In addition, server end only need to be by original DICOM image codings into related data text
Part, it is not necessary to directly generate browsable image file, therefore server stress can be reduced.
The device of DICOM image remote browses as shown in Figure 4, which also includes modular converter, in the acquisition
After the decoding data of DICOM images, and before the Unicode codings of the acquisition DICOM images, by the decoding data
Be converted to 16 data of 2 bytes of length.
It is preferred that the display module includes loading unit, for the attribute and pixel loading phase to being provided with property value
The Canvas for answering.
Further, the display module can also include beautification unit：Enter for the DICOM images to showing
Row landscaping treatment.
In the device of described DICOM image remote browses, described other attribute datas include：Altitude information, width number
According to, window width data, window position data, byte-sized data.
Preferably, the device of described DICOM image remote browses, also includes：Extraction module, sends out for the reception server
After the attribute data of the DICOM images for sending, extracted from the attribute data respectively the pixel coder data and other
Attribute data.
The above, only embodiments of the invention, but protection scope of the present invention are not limited thereto, any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all cover this
Within the protection domain of invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (10)
1. a kind of method of DICOM images remote browse, it is characterised in that comprise the following steps：
The attribute data of the DICOM images that the reception server sends, the attribute data include pixel coder data and other category
Property data；Described other attribute datas are the data of the attribute of other the one or more DICOM image in addition to pixel；
To the pixel coder decoding data, the decoding data of DICOM images is obtained；
According to the decoding data, the Unicode codings of DICOM images are obtained；
Unicode codings are combined, the pixel data of DICOM images is obtained；
According to described other attribute datas, other property values of the DICOM images are set；
According to the pixel data and other property values of the DICOM images, show the DICOM images.
2. the method for DICOM images remote browse according to claim 1, it is characterised in that in the acquisition DICOM shadows
After the decoding data of picture, and before the Unicode codings of the acquisition DICOM images, also include：By the decoding data
Be converted to 16 data of 2 bytes of length.
3. the method for DICOM images remote browse according to claim 1, it is characterised in that the displaying DICOM
Image includes：Attribute and pixel to being provided with property value loads corresponding Canvas.
4. the method for DICOM images remote browse according to claim 1, it is characterised in that the displaying DICOM
Image also includes：The DICOM images to showing carry out landscaping treatment.
5. the method for DICOM images remote browse according to claim 1, it is characterised in that described other attribute datas
Including：Altitude information, width data, window width data, window position data, byte-sized data.
6. a kind of device of DICOM images remote browse, it is characterised in that include：
Receiver module, the attribute data of the DICOM images sent for the reception server, the attribute data include pixel coder
Data and other attribute datas；Described other attribute datas are the category of other the one or more DICOM image in addition to pixel
The data of property；
Decoder module, for the pixel coder decoding data, obtaining the decoding data of DICOM images；
Coding module is obtained, for according to the decoding data, obtaining the Unicode codings of DICOM images；
Picture element module is obtained, for Unicode codings are combined, the pixel data of DICOM images is obtained；
Setup module, for according to described other attribute datas, arranging other property values of the DICOM images；
Display module, for the pixel data according to the DICOM images and other property values, shows the DICOM images.
7. the device of DICOM images remote browse according to claim 6, it is characterised in that also including modular converter, uses
In after the decoding data of the acquisition DICOM images, and before the Unicode codings of the acquisition DICOM images, will
The decoding data is converted to 16 data of 2 bytes of length.
8. the device of DICOM images remote browse according to claim 6, it is characterised in that the display module includes
Loading unit, loads corresponding Canvas for the attribute and pixel to being provided with property value.
9. the device of DICOM images remote browse according to claim 6, it is characterised in that the display module is also wrapped
Include beautification unit：Landscaping treatment is carried out for the DICOM images to showing.
10. the device of DICOM images remote browse according to claim 6, it is characterised in that described other attribute datas
Including：Altitude information, width data, window width data, window position data, byte-sized data.
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| CN106548010B (en) | 2019-02-22 |
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