CN108334412A - A kind of method and apparatus of display image - Google Patents
A kind of method and apparatus of display image Download PDFInfo
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- CN108334412A CN108334412A CN201810142222.5A CN201810142222A CN108334412A CN 108334412 A CN108334412 A CN 108334412A CN 201810142222 A CN201810142222 A CN 201810142222A CN 108334412 A CN108334412 A CN 108334412A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
- H04L67/108—Resource delivery mechanisms characterised by resources being split in blocks or fragments
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Abstract
The invention discloses a kind of method and apparatus of display image, server is after receiving client to the display request of image file, for the object pixel data of image file, object pixel data can be divided into multiple data fragmentations, and multiple data fragmentations are sent to client successively.Client successively renders the multiple data fragmentation after receiving the multiple data fragmentation successively.In this way, multiple data fragmentations can render completion successively and present on the client.It can be seen that, user need not wait for the pixel data in whole image file to be transmitted to client from server and complete to render on the client, parts of images can be quickly viewed, to which user checks that the time that needs wait for when network side image is reduced, user experience is promoted.
Description
Technical field
The present invention relates to technical field of image processing, more particularly to a kind of method and apparatus of display image.
Background technology
With the rapid development of Internet, network-based image display pattern is used increasingly.Wherein, image
It is stored in the server of network side, user can be by the image that is stored in client request server, and image can be by
Server is sent to client and is shown to user by client.Currently, become increasingly complex based on the image that network is shown, such as three
Tie up image etc..But for excessively complicated image, not only transmission of the image between server and client need to expend compared with
For a long time, and client is also consumed a longer time and is rendered to image, when needing to wait for longer which results in user
Between can just view the image of network side.
Invention content
The technical problem to be solved by the invention is to provide a kind of method and apparatus of display image, are looked into reducing user
See the time that needs wait for when network side image.
In a first aspect, an embodiment of the present invention provides a kind of method of display image, it is applied to server, this method packet
It includes：
The display of image file is asked in response to client, object pixel data are extracted from image file；
Object pixel data are divided into multiple data fragmentations；
Multiple data fragmentations are sent to client successively, so that client receives multiple data fragmentations and right successively successively
Multiple data fragmentations are rendered, and are completed and are presented so that multiple data fragmentations render successively on the client.
Optionally, the display of image file is asked in response to client, object pixel data is extracted from image file,
Including：
The display of image file is asked in response to client, the pixel data in image file is extracted, as initial picture
Prime number evidence；
Original pixel data is handled using RLE compression algorithms, obtains object pixel data.
Optionally, multiple data fragmentations are sent to client successively, so that client receives multiple data fragmentations successively
And multiple data fragmentations are rendered successively, it completes and presents so that multiple data fragmentations render successively on the client,
Including：
Determine the corresponding priority of multiple data fragmentations；
According to the sequence of the corresponding priority of multiple data fragmentations from high to low, by multiple data fragmentations successively to visitor
Family end is sent, so that client is according to the corresponding priority of multiple data fragmentations, receive successively multiple data fragmentations and according to
It is secondary that multiple data fragmentations are rendered, so that multiple data fragmentations are corresponded to according to multiple data fragmentations respectively on the client
Priority render successively complete and present.
Optionally, any one data fragmentation in multiple data fragmentations is indicated with target data fragment, in target data
In the case that fragment meets contractive condition, target data fragment is transmitted by way of compression between server and client.
Optionally, contractive condition is that the corresponding compression parameters of target data fragment are more than parameter threshold, target data fragment
Corresponding compression parameters are determined by the corresponding network transfer speeds of target data fragment, decompression consumption and/or priority.
Optionally, object pixel data are divided into multiple data fragmentations, specially：According to image entities from outer layer to interior
The sequence of layer, the pixel data for extracting each tomographic image entity respectively from object pixel data form a data fragmentation, from
And obtain multiple data fragmentations；
Wherein, it is higher to be formed by the corresponding priority of data fragmentation for the pixel data of image entities more outer layer.
Second aspect, the embodiment of the present invention additionally provide a kind of method of display image, are applied to client, this method packet
It includes：
The display to image file is sent to server to ask, so that server extracts target picture prime number from image file
It is divided into multiple data fragmentations according to and by object pixel data；
Multiple data fragmentations that server is sent to client successively are received successively, and wash with watercolours is carried out to multiple data fragmentations successively
Multiple data fragmentations are rendered and complete and present by dye successively.
Optionally, multiple data fragmentations are rendered successively, including：
Determine the corresponding priority of multiple data fragmentations；
According to the corresponding priority of multiple data fragmentations, multiple data fragmentations are assigned to multiple and different delay respectively
It rushes in area；Wherein, the higher data fragmentation of priority is assigned to the more buffering area of process resource；
Process resource in the buffering area being individually assigned to using multiple data fragmentations respectively carries out multiple data fragmentations
It renders.
Optionally, any one data fragmentation in multiple data fragmentations is indicated with target data fragment, if in number of targets
Other data fragmentations presented before completing are rendered according to fragment and have been performed user's operation, and target data fragment is rendering completion
First matrixing is carried out according to user's operation later to present again.
The third aspect, the embodiment of the present invention additionally provide a kind of device of display image, are configured at server, the device packet
It includes：
Extraction unit extracts target picture for being asked the display of image file in response to client from image file
Prime number evidence；
Division unit, for object pixel data to be divided into multiple data fragmentations；
Transmission unit, for sending multiple data fragmentations to client successively, so that client receives multiple numbers successively
It renders according to fragment and successively to multiple data fragmentations, is completed simultaneously so that multiple data fragmentations render successively on the client
It presents.
Optionally, extraction unit includes：
Subelement is extracted, for being asked the display of image file in response to client, extracts the pixel in image file
Data, as original pixel data；
Processing subelement obtains target picture prime number for being handled original pixel data using RLE compression algorithms
According to.
Optionally, transmission unit includes：
First determination subelement, for determining the corresponding priority of multiple data fragmentations；
First transmission sub-unit will for the sequence according to the corresponding priority of multiple data fragmentations from high to low
Multiple data fragmentations are sent to client successively, so that client is according to the corresponding priority of multiple data fragmentations, successively
Receive multiple data fragmentations and multiple data fragmentations rendered successively so that multiple data fragmentations on the client according to
The corresponding priority of multiple data fragmentations renders successively to be completed and presents.
Optionally, any one data fragmentation in multiple data fragmentations is indicated with target data fragment, in target data
In the case that fragment meets contractive condition, target data fragment is transmitted by way of compression between server and client.
Optionally, contractive condition is that the corresponding compression parameters of target data fragment are more than parameter threshold, target data fragment
Corresponding compression parameters are determined by the corresponding network transfer speeds of target data fragment, decompression consumption and/or priority.
Optionally, division unit is specifically used for：According to sequence of the image entities from outer layer to internal layer, from target picture prime number
A data fragmentation is formed according to the middle pixel data for extracting each tomographic image entity respectively, to obtain multiple data fragmentations；
Wherein, it is higher to be formed by the corresponding priority of data fragmentation for the pixel data of image entities more outer layer.
Fourth aspect, the embodiment of the present invention additionally provide a kind of device of display image, are configured at client, the device packet
It includes：
Transmission unit, for sending the display request to image file to server, so that server is from image file
Object pixel data are simultaneously divided into multiple data fragmentations by extraction object pixel data；
Receiving unit, the multiple data fragmentations sent successively to client for receiving server successively；
Rendering unit, for being rendered successively to multiple data fragmentations；
Display unit is completed and is presented for rendering multiple data fragmentations successively.
Optionally, rendering unit includes：
Second determination subelement, for determining the corresponding priority of multiple data fragmentations；
Subelement is distributed, for according to the corresponding priority of multiple data fragmentations, respectively dividing multiple data fragmentations
It is fitted in multiple and different buffering areas；Wherein, the higher data fragmentation of priority is assigned to the more buffering area of process resource；
Subelement is rendered, the process resource in buffering area for being individually assigned to using multiple data fragmentations is right respectively
Multiple data fragmentations are rendered.
Optionally, any one data fragmentation in multiple data fragmentations is indicated with target data fragment, if in number of targets
Other data fragmentations presented before completing are rendered according to fragment and have been performed user's operation, and target data fragment is rendering completion
First matrixing is carried out according to user's operation later to present again.
5th aspect, the embodiment of the present invention additionally provide it is a kind of display image equipment, the equipment include processor and
Memory：
Program code is transferred to processor by memory for storing program code；
Processor is used for the display figure according to the above-mentioned first aspect of instruction execution and second aspect offer in program code
The method of picture.
6th aspect, the embodiment of the present invention additionally provide a kind of storage medium, and storage medium is for storing program code, journey
The method that sequence code is used to execute the display image that above-mentioned first aspect and second aspect provide.
Compared with prior art, the embodiment of the present invention has the following advantages：
In embodiments of the present invention, server is after receiving client to the display request of image file, for figure
As the object pixel data of file, object pixel data can be divided into multiple data fragmentations, and by multiple data fragmentations according to
It is secondary to be sent to client.Client after receiving the multiple data fragmentation successively, successively to the multiple data fragmentation into
Row renders.In this way, multiple data fragmentations can render completion successively and present on the client.It can be seen that for a number
For fragment, which can be presented to when being sent to client by server and completing rendering on the client
User, without waiting for all data fragmentations of image file to be all sent to client by server and all completing on the client
It is just presented when rendering, therefore, user need not wait for the pixel data in whole image file to be transmitted to visitor from server
It simultaneously completes to render on the client in family end, so that it may quickly to view parts of images, need when checking network side image to user
The time to be waited for is reduced, and user experience is promoted.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in invention, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the network system schematic diagram of an exemplary application scene in the embodiment of the present invention；
Fig. 2 is a kind of flow chart of the method for display image provided in an embodiment of the present invention；
Fig. 3 is the effect exemplary plot of an example provided in an embodiment of the present invention；
Fig. 4 is the topology example figure of an image entities provided in an embodiment of the present invention；
Fig. 5 is a kind of flow chart of the method for display image provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of server provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of browser provided in an embodiment of the present invention；
Fig. 8 is a kind of method scene embodiment flow chart of display image provided in an embodiment of the present invention；
Fig. 9 is a kind of structure chart of the device of display image provided in an embodiment of the present invention；
Figure 10 is a kind of structure chart of the device of display image provided in an embodiment of the present invention；
Figure 11 is a kind of hardware architecture diagram of the equipment of display image provided in an embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Currently, the case where showing 3-D view based on network is more and more common, and still, since 3-D view is extremely complex,
Transmission and on the client rendering of the 3-D view between server and client are required to expend longer time, institute
With user checks the 3-D view of network side in client, needs to wait for longer time, user experience poor.
To solve the above problems, shortening stand-by period when user checks network side image, in embodiments of the present invention, visitor
After family end sends the display request to image file to server, server can be to the object pixel data of the image file
It is divided, forms multiple data fragmentations, and multiple data fragmentations can be sent to client successively.Client is connecing successively
After receiving multiple data fragmentations, multiple data fragmentations can be rendered successively.In this way, the image file of client request
I.e. in the form of multiple data fragmentations, it is rendered completion successively on the client and presents.
It can be seen that in embodiments of the present invention, no longer needing to that all data in image file is waited for all to be sent out by server
It is sent to client and all completes just to be presented when rendering on the client, as long as the data fragmentation in image file is being serviced
When device is sent to client and completes to render on the client, so that it may to be presented to the user.Therefore, client by server successively
The data fragmentation that transmission comes render successively and can be presented to the user, that is, user can quickly view portion on the client
Then partial image gradually views whole image, check that the time that needs wait for when network side image is reduced thereby using family, carry
User experience is risen.
For example, the embodiment of the present invention can be applied to scene as shown in Figure 1.In this scenario, client 101 with
It can be interacted by network 102 between server 103.First, client 101 can be shown in response to triggering image file
User's operation, according to the user's operation generate image file display ask, and can by network 102 by above-mentioned image text
The display request of part is sent to server 103.Server 103, can be from this after the display request for receiving image file
Object pixel data are extracted in image file, and object pixel data are divided into multiple data fragmentations.Server 103 can incite somebody to action
Multiple data fragmentations are sent to client 101 successively.Client 101 receives multiple data fragmentations and successively successively to multiple data
Fragment is rendered.For each data fragmentation, client 101 can be to this when completing the rendering of the data fragmentation
Data fragmentation is presented.
It is understood that client 101 can realize the user interacted with server 103 by network 102
Browser or the application client (English installed in equipment：Application, referred to as：APP), including but not limited to：
The upper browser or APP installed such as mobile phone, tablet computer.
In addition, server 103 is only existing, researching and developing or research and development in the future, can parse user images file
Display request, extract the object pixel data in image file, and carry out the multiple data fragmentations of zoned format, and to for client
Hold an example of the equipment of 101 feedback data fragments.Embodiments of the present invention are unrestricted in this regard.
It should be noted that above application scene is merely for convenience of understanding the present invention and showing, embodiment party of the invention
Formula is unrestricted in this regard.On the contrary, embodiments of the present invention can be applied to applicable any scene.
Below in conjunction with the accompanying drawings, the various non-limiting embodiments that the present invention will be described in detail.
Referring to Fig. 2, for a kind of flow chart of the method for display image provided in an embodiment of the present invention.In the present embodiment,
Applied to server, the method can specifically include following steps：
Step 201, the display of image file is asked in response to client, target picture prime number is extracted from image file
According to.
In specific implementation, when user needs to check the image being stored in network side server on the client,
User can execute the user's operation that triggering image file is shown on the client.Client can be generated according to the user's operation
The display of image file is asked, and the display request of the image file of generation is sent to server by network.Server connects
After the display request for receiving the image file of client transmission, in all images that can be stored from the server, searching should
Corresponding image file is asked in the display of image file, and using the image file found as image file to be viewed.Clothes
Business device extracts object pixel data from the image file to be viewed.
Object pixel data can be the corresponding pixel data of image file to be viewed.It is understood that image
Pixel data includes the useless pixel data of non-physical part in file.Since the display of image file is to be in user
Real body, the useless usual user of pixel data are not relevant for.For example, in example images shown in Fig. 3, which is a hand
Portion's CT images.Its entity is hand, i.e. grey parts and white portion in CT images, and black portions are air in CT images
Rather than hand, therefore the pixel data of black portions belongs to the useless pixel data of non-physical part.For this purpose, in some embodiment party
In formula, the number of pixel data that transmit when network side image and be rendered in client in a network is checked in order to reduce user
According to amount, the time that image is shown is waited for so as to shorten user, object pixel data can be image file pixel data in arrange
In addition to the residual pixel data after useless pixel data.Specifically, step 201 can specifically include：In response to client
Display request to image file, extracts the pixel data in described image file, as original pixel data；It is pressed using RLE
Compression algorithm handles the original pixel data, obtains the object pixel data.
Wherein, RLE (English：Run-Length Encoding, Chinese：Run length encoding) compression algorithm is a kind of letter
The compression algorithm of single, free of losses change length, advantage are：It can be by the corresponding pixel data of image file, continuously
Useless pixel data is disposed, and does not lose pixel data useful in any image file.
When specific implementation, after server receives the display request of the image file of client transmission, first, server can
To obtain image file to be viewed from the image wherein stored, such as can be dicom images；Then, server is from waiting for
The pixel data in the image file is extracted in the image file checked, as original pixel data, such as can be dicom figures
Pixel data as in；Then, server by utilizing RLE compression algorithms handle obtained original pixel data, obtain
The object pixel data of image file to be viewed exclude remaining pixel number after pixel data useless in pixel data
According to.
Pass through the above-mentioned realization method that object pixel data are extracted from image file to be viewed, it is possible to reduce image text
The data volume for the object pixel data extracted in part, and then disk space is saved, to shorten transmission and the wash with watercolours of follow-up data
The dye time gets ready.
Step 202, object pixel data are divided into multiple data fragmentations.
Server can divide the object pixel data that step 201 is extracted, and form multiple data fragmentations.Its
In, the data volume that each data fragmentation is included is less than the data volume that object pixel data are included.All data fragmentations are wrapped
The sum of data volume contained, the data volume for being included equal to object pixel data.
It is understood that for each data fragmentation, included data, can characterize image in the data fragmentation
The characteristics of image of the corresponding image section of the data fragmentation in file.
In a kind of example, step 202 can specifically include：According to sequence of the image entities from outer layer to internal layer, from mesh
The pixel data for extracting each tomographic image entity in mark pixel data respectively forms a data fragmentation, the multiple to obtain
Data fragmentation.Wherein, image entities refer to that the material object of environment is eliminated in image, for example, for a hand images, the image
Entity is to eliminate the hand itself after the environment such as air in the image.
As shown in figure 4, for the topology example figure of an image entities, the inside of wherein cube 1 includes cube 2.It should
The outer layer of image entities, in particular to from 1 corresponding pixel data of cube extracts and represents the vertical of the image entities memory
2 corresponding pixel data of cube, the corresponding image entities part of remaining pixel data.The remaining pixel data is the figure
As the pixel data of the corresponding outer tomographic image of the outer layer of entity.And the outer layer of image entities, the outside of the image can be embodied
Profile information.The 2 corresponding pixel data of internal layer, in particular to cube of image entities, can show the interior of the image entities
In complexion, the i.e. internal details of the image.
As an example, if sequence according to image entities from outer layer to internal layer, it is assumed that image be divided into internal layer and
Outer layer can be divided according to the size of three-dimensional image entities.As shown in figure 4, its specific realization method that divides can be with
It is：Determine cube 1 and the cube 2 positioned at 1 center of cube；2 corresponding pixel data of cube is read, the image is denoted as
The object pixel data of internal layer；The corresponding pixel data of other parts outside the removing cube 2 of cube 1 is read, the figure is denoted as
As the object pixel data of outer layer.
As another example, since 3-D view is formed and the X-Y scheme in 3-D view by multiple two-dimentional map overlays
Layer has certain sequence, therefore, it can know the interior tomographic image in the image and outer tomographic image according to the sequence of two-dimentional figure layer
Which two-dimentional figure layer is corresponded to respectively.For example, it is assumed that the 3-D view includes 100 two-dimentional figure layers, wherein 1-20 and the
80-100 two-dimentional figure layers correspond to the outer layer of the image entities of the 3-D view, and 21-79 two-dimentional figure layers correspond to this
The internal layer of the image entities of 3-D view；Then, can be according to fixed algorithm, the pixel data of the corresponding two-dimentional figure layer of acquisition is
It can.
For example, Fig. 3 shows that the CT images of a hand, image entities are a hand.Image a on the left of Fig. 3 is
The outer layer of the image entities embodies the exterior contour of hand；And the image b on the right side of Fig. 3 is the internal layer of the image entities, is embodied
The detailed information such as the joint of hand.
Certainly, image entities can be divided into image at least twice, for more according to the dividing mode from outer layer to internal layer
In the dividing mode of two tomographic images, similar with the dividing mode of above-mentioned Fig. 4, which is not described herein again.In specific implementation, from step
In the object pixel data extracted in rapid 201 image file, according to the corresponding image entities of the image file from outer layer
To the sequence of internal layer, the pixel data for extracting each tomographic image entity respectively forms a data fragmentation, to obtain multiple numbers
According to fragment.
For example, hand CT images shown in Fig. 3, the image entities are divided into 2 layers, the corresponding CT images of a images
Outer layer, the internal layer of the corresponding CT images of b images.Server first extracts pixel data from a images, forms a images correspondence
Data fragmentation 1；Pixel data is extracted from b images again, forms the corresponding data fragmentation of the b images 2.To obtain CT figures
As corresponding 2 data fragmentations.
By way of above-mentioned data fragmentation, the object pixel data that will be extracted in an image file are divided into this
Different data fragmentations corresponding to the corresponding different piece of image file, that is, include the big object pixel of data volume to one
Data are handled, and are obtained multiple data fragmentations smaller including data volume, are shown for subsequent image and accomplished fluently data basis.
Step 203, multiple data fragmentations are sent to client successively, so that client receives multiple data fragmentations successively
And multiple data fragmentations are rendered successively, it completes and presents so that multiple data fragmentations render successively on the client.
When specific implementation, for a data fragmentation, client is after receiving the data fragmentation, you can to the number
It is rendered according to fragment, once the data fragmentation is rendered completion, you can the corresponding wash with watercolours of the data fragmentation is shown on the client
Dye is as a result, be presented to the user.For each data fragmentation in multiple data fragmentations, it can be mutual to render and present
It is independent, it is independent of each other, client need not wait until that receiving all data fragmentations just carries out whole rendering, need not also wait until
All data fragmentations all render completion, and just entirety is presented to the user.
It in some implementations, can be by being set for data fragmentation when handling the transmission and rendering of multiple data fragmentations
The mode of priority is set the processing sequence of data fragmentation is arranged.Specifically, step 203 can specifically include：Determine multiple numbers
According to the corresponding priority of fragment；It, will be multiple according to the sequence of the corresponding priority of multiple data fragmentations from high to low
Data fragmentation is sent to client successively, and client receives multiple successively according to the corresponding priority of multiple data fragmentations
Data fragmentation simultaneously successively renders multiple data fragmentations, so that multiple data fragmentations are on the client according to multiple data
The corresponding priority of fragment renders successively to be completed and presents.
As an example, if being specifically the sequence according to image entities from outer layer to internal layer in step 202, by target
Pixel data is divided into multiple data fragmentations, then, server determines the specific of the corresponding priority of multiple data fragmentations
Realization method can be：It is higher that the pixel data of image entities more outer layer is formed by the corresponding priority of data fragmentation.
For example, for the hand CT images in Fig. 3, server is suitable from outer layer to internal layer according to the image entities
Object pixel data are divided into data fragmentation 1 and data fragmentation 2 by sequence.Since a figures are corresponding to the outer layer of image entities, then really
Determine a and scheme the priority of corresponding data fragmentation 1 to be 2；Since b figures are corresponding to the internal layer of image entities, it is determined that b schemes corresponding number
Priority according to fragment 2 is 1.Wherein, the priority level of priority 2 is higher than the priority level of priority 1.
If the pixel data of image entities more outer layer is formed by, the corresponding priority of data fragmentation is higher, and server is pressed
According to the sequence of priority from high to low to client transmission data fragment, then the pixel data that image entities outer layer may be implemented is first
It sends and is sent after the pixel data of image entities internal layer.Specific to the example that priority in earlier figures 3 is arranged, server faces
The data fragmentation 2 that the data fragmentation 1 and priority that priority is 2 are 1 first sends the high data fragmentation 1 of priority to client,
It is sending data fragmentation 1 and then is sending the lower data fragmentation of priority 2 to client.
Similarly, if to be formed by the corresponding priority of data fragmentation higher for the pixel data of image entities more outer layer, visitor
Family end receives according to the sequence of priority from high to low, renders and present data fragmentation, then image entities outer layer may be implemented
Pixel data first renders presentation and renders and present after the pixel data of image entities internal layer.It is set specific to priority in earlier figures 3
The example set, the sequence that client can be according to data fragmentation 1 and 2 corresponding priority of data fragmentation from high to low, first receives
Priority is 2 data fragmentation 1, then receives the data fragmentation 2 that priority is 1；Client is 2 in face of received priority
Data fragmentation 1 and priority be 1 data fragmentation 2, first render priority be 2 data fragmentation 1, then receive priority be 1
Data fragmentation 2；Client render complete a data fragmentation after, can be in by the rendering result of the data fragmentation at once
Now give user.
In this way, sequence of the server according to image entities from outer layer to internal layer, determined for multiple data fragmentations different excellent
First grade, and multiple data fragmentations are sent to client successively according to the sequence of priority from high to low, client is also according to true
Fixed priority orders are rendered and are presented to the user to multiple data fragmentations, and user can be made first to see image entities outer layer
Profile, details abundant image gradually is then gradually seen again, while shortening period of reservation of number, from visual angle
Improve the user experience of viewing image.
It should be noted that client often renders after completing a data fragmentation, user is shown to by client end interface
Image, can be specifically：The rendering result of this data fragmentation is superimposed upon on the image being presented to the user, after superposition
Image replace the image that has been presented to the user, the image being presented to the user.Such as：As shown in Figure 3, it is assumed that client receives clothes
The data fragmentation 1 that business device is sent, rendering data fragment 1 obtain the image P in a figures1, and by image P1It is presented to the user；Then,
Client receives data fragmentation 2, and rendering data fragment 2 obtains the image P in b figures2, client needs P2It is superimposed upon P1On
It is presented to the user image P12。
In some embodiments, in order to be further reduced time of the server to these data fragmentations of client transmissions,
And network transmission pressure is extenuated, it, can also be to multiple numbers before server sends multiple data fragmentations successively as client
The data fragmentation for meeting contractive condition according to fragment is compressed, then compressed data fragmentation is transferred to client, specifically may be used
To include：Any one data fragmentation in the multiple data fragmentation is indicated with target data fragment, in target data fragment
In the case of meeting contractive condition, target data fragment is transmitted by way of compression between server and client.
Furthermore, the contractive condition could be provided as the corresponding compression parameters of target data fragment more than parameter threshold
Value.Wherein the corresponding compression parameters of target data fragment can be disappeared by the corresponding network transfer speeds of target data fragment, decompression
Consumption and/or priority determine.
When specific implementation, it is assumed that network transfer speeds s, decompression consumption is u, and the priority p of data fragmentation can be defined
Compression parameters α=k1*s+k2*u+k3*p, wherein k1, k2, k3 are to influence coefficient (weight), and threshold is set for compression parameters α
Value M, if α>M, then server the corresponding target data fragment of the compression parameters is compressed, by compressed target data
Fragment is sent to client；, whereas if α≤M, then the corresponding target data of the compression parameters will be directly from server to client
End transmission, without compression.
It should be noted that k3 can be positive number, in mono- timing of k1, k2, s and u, priority level is higher, and α is bigger, α>M's
Possibility is also bigger, then the possibility being transmitted in compressed fashion to the corresponding target data fragment of the priority is got over
Greatly.That is, priority level is higher, corresponding target data fragment may can more be compressed.
As an example it is assumed that compression parameters α 1=0.9 of the data fragmentation 1 as target data fragment, 2 conduct of data fragmentation
The compression parameters α 2=0.8 of target data fragment, compression parameters α 3=0.6 of the data fragmentation 3 as target data fragment, parameter
Threshold value M=0.7, then, due to α 1>M, therefore, compressed data fragmentation 1 is sent to visitor again after data fragmentation 1 is compressed
Family end；Similarly, due to α 2>M, therefore, compressed data fragmentation 2 is sent to client again after data fragmentation 2 is compressed；
And due to 3≤M of α, therefore, data fragmentation 3 is transmitted directly to client.
In some embodiments, in order to enable the high data fragmentation of priority can Fast rendering on the client, visitor
Family end can be directed to the different buffering areas that data fragmentation is assigned to different disposal resource of data fragmentation priority, so that excellent
The high data fragmentation of first grade can obtain more process resources to be rendered.Specifically, client is to multiple data fragmentations
Rendering mode, can specifically include：Client determines the corresponding priority of multiple data fragmentations.According to the multiple number
According to the corresponding priority of fragment, multiple data fragmentations are assigned in multiple and different buffering areas by client respectively；Wherein,
The higher data fragmentation of priority is assigned to the more buffering area of process resource；It is individually assigned to using multiple data fragmentations
Process resource in buffering area respectively renders multiple data fragmentations.
Under normal circumstances, there are multiple buffering area in client, different buffering areas for example can be to being applied to difference
Thread, and the thread that priority is high, corresponding process resource are more, the low thread of priority, and corresponding process resource is few.Processing
Resource is more, indicates that the buffer area is faster to the processing speed of data.
It is understood that client respectively will according to the priority determined respectively for multiple data fragmentations in the example
Multiple data fragmentations are assigned in multiple and different buffering areas.Specifically, the sequence according to priority from high to low, it will be each
The corresponding data fragmentation of priority is assigned to process resource from more to few buffering area.At this point, utilizing the buffering area being assigned to
In process resource each data fragmentation is rendered, the rule for obtaining rendering result is：The corresponding priority of data fragmentation is got over
The rendering speed of height, the buffering area which is assigned to is faster.
In the present embodiment, image file is not by the corresponding image of all data fragmentations while to be presented to the user, figure
As the corresponding image of data fragmentation is actually successively sequentially to be presented to user in file.Accordingly, it is possible to which there are following feelings
Condition：The corresponding image of a part of data fragmentation has been presented to user, also, user to the image presented carried out rotation,
The operations such as scaling.In this case, for follow-up rendering complete the corresponding image of data fragmentation, client can first according to
The image that follow-up rendering is completed in the operation at family is adjusted to be presented to the user again.
Specifically, in some embodiments, the presentation mode of data fragmentation may be used such as under type in client：With
Target data fragment indicates any one data fragmentation in the multiple data fragmentation, if being rendered in the target data fragment
Other data fragmentations presented before completing have been performed user's operation, and the target data fragment is rendering completion later first
Matrixing is carried out according to the user's operation to present again.
Wherein, user's operation refers to the operation that user carries out the image presented on active client, e.g., rotation, scaling
Or have adjusted the visibility or color of the image currently presented.Different user's operations can make to be presented to use in the client
The display effect of the image at family changes, and specifically, different user's operations is actually to the pixel data in image
Different matrixings is carried out.
For example, it is rendered according to the sequence of the priority of data fragmentation from high to low, image is also to press after rendering
It is successively shown according to the priority of its corresponding data fragmentation.If rendering end in data fragmentation 1 and data fragmentation 2 rendering
When being not finished, 1 corresponding rendering result --- P of data fragmentation is shown in the client of user1, at this point, user has carried out one
Secondary operation, by P190 degree are rotated clockwise.Client can be by the secondary operation note to converting in daily record, in 2 wash with watercolours of data fragmentation
After dye, to rendering result --- P2It is handled accordingly, that is, carries out the matrixing of the transformation daily record pair one, obtain
Image P2', then by P2' it is superimposed upon P1Upper formation image P12' it is shown to user.
In the present embodiment, server is after receiving client to the display request of image file, for image text
The object pixel data of part are divided, and form multiple data fragmentations, and multiple data fragmentation is sent to client successively.
Client is rendered and is presented to the multiple data fragmentation successively after receiving the multiple data fragmentation successively.Cause
This, the method provided through this embodiment, user need not wait for the pixel data in whole image file to be transmitted from server
It completes to client and on the client to render, so that it may quickly to view parts of images, to which user checks network side image
When need time for waiting for be reduced, user experience is promoted.
Referring to Fig. 5, for a kind of flow chart of the method for display image provided in an embodiment of the present invention.In the present embodiment,
Applied to client, the method can specifically include following steps：
Step 501, it is sent to server and the display of image file is asked, so that the server is from described image file
The object pixel data are simultaneously divided into multiple data fragmentations by middle extraction object pixel data；
Step 502, the multiple data fragmentation that the server is sent to the client successively is received successively, successively
The multiple data fragmentation is rendered, the multiple data fragmentation is rendered successively and completes and presents.
Optionally, described that the multiple data fragmentation is rendered successively, including：
Determine the corresponding priority of the multiple data fragmentation；
According to the corresponding priority of the multiple data fragmentation, the multiple data fragmentation is assigned to respectively multiple
In different buffering areas；Wherein, the higher data fragmentation of priority is assigned to the more buffering area of process resource；
Process resource in the buffering area being individually assigned to using the multiple data fragmentation, respectively to the multiple data
Fragment is rendered.
Optionally, any one data fragmentation in the multiple data fragmentation is indicated with target data fragment, if in institute
It states other data fragmentations presented before the rendering of target data fragment is completed and has been performed user's operation, the target data point
Piece first carries out matrixing according to the user's operation after rendering completion and presents again.The display image that the embodiment provides
Specific implementation in method and the effect reached are similar with method shown in Fig. 2, with reference to retouching in method shown in Fig. 2
It states, which is not described herein again.
Respectively from the angle of server and client side describe it is provided in an embodiment of the present invention display image method it
Afterwards, below in the form of a concrete scene embodiment, the angle introduction interacted from server and client side shows the side of image
Method.
In the concrete scene, the concrete structure of server is used as shown in fig. 6, the server includes data cleansing module
In the extraction object pixel data from image file；Wafer breaker, for object pixel data to be divided into multiple data fragmentations；Property
Energy monitor, the compression parameters for obtaining each data fragmentation, and judge whether each data fragmentation meets contractive condition, it will
The data fragmentation for meeting contractive condition is sent to compressor reducer, and the data fragmentation for being unsatisfactory for contractive condition directly exports；Compressor reducer,
For compressing the data fragmentation for meeting contractive condition, and compressed data fragmentation is exported.
The data fragmentation of output is sent to client by server successively by network.The client is browser, specifically
Structure is as shown in Figure 7.After browser receives data fragmentation, compressed data fragmentation is decompressed by decompression machine, then will solution
Data fragmentation after pressure is sent to GPU (English：Graphics Processing Unit, Chinese：Graphics processor)；To not have
The data fragmentation of compression is sent directly to GPU.GPU includes multiple buffering area, for carrying out wash with watercolours to the data fragmentation received
Dye.Further include matrixing module in the browser, for according to the corresponding transformation square of user's operation recorded in transformation daily record
Battle array carries out corresponding matrixing to the rendering result of data fragmentation.Canvas, to show the painting canvas of image, for showing warp
The rendering result of matrixing is crossed, which is a part for browser and user interface, and user can directly be seen that
The content presented on the Canvas.
Fig. 8 is a kind of flow chart of the method for display image in embodiment.In the present embodiment, the scene of realization is user
It is about number into server request dicom file sets by browser：The hand CT images of XXXX.The method
Such as may include：
Step 801, user inputs " XXXX " in the search box of browser, and browser generates figure according to the information of input
It is sent to server as the display request of file, and by the display of image file request.
Step 802, server is asked according to the display of image file, and CT images are found from dicom file sets.
Step 803, server carries out data cleansing to CT images, and detailed process is：The pixel data in CT images is extracted,
As original pixel data；Original pixel data is handled using RLE compression algorithms, obtains object pixel data.
Step 804, object pixel data are sent to the wafer breaker in the server by server, according to image entities from outer
The sequence of layer to internal layer carries out fragment, obtains data fragmentation 1, data fragmentation 2 successively.
Step 805, multiple data fragmentations are sent to the performance monitor in the server by server successively, judge each number
Whether meet contractive condition according to the compression parameters of fragment, if met, thens follow the steps 806；If do not met, then follow the steps
807。
Where it is assumed that data fragmentation 1 meets contractive condition, data fragmentation 2 does not meet contractive condition.
Step 806, server presses the compressor reducer that the data fragmentation for meeting contractive condition is sent in the server
Contracting, exports compressed data fragmentation.
Specifically, the compressor reducer that data fragmentation 1 is sent in the server is compressed, exports compressed data point
Piece 1.
Step 807, sequence of the server according to the corresponding priority of data fragmentation from high to low sends out data fragmentation successively
Give browser.
Specifically, data fragmentation 1 is first sent to browser, then data fragmentation 2 is sent to browser.
Step 808, after browser receives data fragmentation, judge whether also data fragmentation, if so, thening follow the steps
809；If it is not, terminating.
Step 809, browser judges whether target data fragment needs to decompress, if it is desired, thens follow the steps 810；Such as
Fruit does not need, and thens follow the steps 811.
Step 810, compressed data fragmentation is sent to the decompression machine in the browser by browser, is decompressed, is obtained
Data fragmentation after must decompressing.
Step 811, browser is rendered target data fragment by GPU, obtains rendering result.
Wherein, target data fragment is the data fragmentation being presently processing, and is any one in all data fragmentations
A data fragmentation.
Step 812, browser judges whether other data fragmentations presented have been performed user's operation, if it is,
Step 813 is executed, if not, thening follow the steps 814.
Step 813, browser by the rendering result of target data fragment according to the corresponding carry out matrixing of user's operation.
Step 814, final rendering result is presented in Canvas painting canvas, return to step 808.
In the present embodiment, in the actual scene of display hand CT images, in such a way that server and browser interact,
The method using display image provided by the invention is described, fragment processing is carried out to image file to be viewed and is sent successively
It to browser, is rendered respectively for browser and display data fragment, in this way, user need not wait for the pixel in whole image file
Data are all transmitted to client from server and complete to render on the client, so that it may quickly to view parts of images, to
User checks that the time that needs wait for when network side image is reduced, and user experience is promoted.
In addition, the embodiment of the present invention additionally provides a kind of device of display image, it is configured at server, as shown in figure 9, being
The structure chart of the device, the device include：
Extraction unit 901 extracts target for being asked the display of image file in response to client from image file
Pixel data；
Division unit 902, for object pixel data to be divided into multiple data fragmentations；
Transmission unit 903, for by multiple data fragmentations successively to client send, so as to client receive successively it is multiple
Data fragmentation simultaneously successively renders multiple data fragmentations, is completed so that multiple data fragmentations render successively on the client
And it presents.
Optionally, the extraction unit 901, including：
Subelement is extracted, for being asked the display of image file in response to client, is extracted in described image file
Pixel data, as original pixel data；
Compression subelement obtains the target for being handled the original pixel data using RLE compression algorithms
Pixel data.
Optionally, the transmission unit 903, including：
First determination subelement, for determining the corresponding priority of the multiple data fragmentation；
First transmission sub-unit, for according to the corresponding priority of the multiple data fragmentation from high to low suitable
Sequence sends the multiple data fragmentation, to client successively so that the client is distinguished according to the multiple data fragmentation
Corresponding priority receives the multiple data fragmentation and is rendered successively to the multiple data fragmentation successively, so that
The multiple data fragmentation renders completion simultaneously successively according to the corresponding priority of the multiple data fragmentation on the client
It presents.
Optionally, any one data fragmentation in the multiple data fragmentation is indicated with target data fragment, described
In the case that target data fragment meets contractive condition, the target data fragment by way of compression the server with
It is transmitted between the client.
Optionally, the contractive condition is that the corresponding compression parameters of the target data fragment are more than parameter threshold, described
The corresponding compression parameters of target data fragment by the corresponding network transfer speeds of the target data fragment, decompression consumption and/or
Priority determines.
Optionally, the division unit 902 is specially：According to sequence of the image entities from outer layer to internal layer, from the mesh
The pixel data for extracting each tomographic image entity in mark pixel data respectively forms a data fragmentation, the multiple to obtain
Data fragmentation；
Wherein, it is higher to be formed by the corresponding priority of data fragmentation for the pixel data of image entities more outer layer.It is above
Introduction to the device of display image provided in an embodiment of the present invention, specific implementation may refer to method shown in figure 2 above
Description in embodiment, the effect reached is consistent with above-mentioned embodiment of the method shown in Fig. 2, and which is not described herein again.
In addition, the embodiment of the present invention additionally provides a kind of device of display image, it is configured at client, as shown in Figure 10,
For the structure chart of the device, which includes：
Transmission unit 1001, for sending the display request to image file to server, so that server is literary from image
Object pixel data are extracted in part and object pixel data are divided into multiple data fragmentations；
Receiving unit 1002, the multiple data fragmentations sent successively to client for receiving server successively；
Rendering unit 1003, for being rendered successively to multiple data fragmentations；
Display unit 1004 is completed and is presented for rendering multiple data fragmentations successively.
Optionally, the rendering unit 1003, including：
Second determination subelement, for determining the corresponding priority of the multiple data fragmentation；
Subelement is distributed, is used for according to the corresponding priority of the multiple data fragmentation, respectively by the multiple number
It is assigned to according to fragment in multiple and different buffering areas；Wherein, it is more to be assigned to process resource for the higher data fragmentation of priority
Buffering area；
Subelement is rendered, the process resource in buffering area for being individually assigned to using the multiple data fragmentation is divided
It is other that the multiple data fragmentation is rendered.
Optionally, any one data fragmentation in the multiple data fragmentation is indicated with target data fragment, if in institute
It states other data fragmentations presented before the rendering of target data fragment is completed and has been performed user's operation, the target data point
Piece first carries out matrixing according to the user's operation after rendering completion and presents again.
It is the introduction to the device of display image provided in an embodiment of the present invention above, specific implementation may refer to
Description in embodiment of the method shown in texts and pictures 5, the effect reached is consistent with above-mentioned embodiment of the method shown in fig. 5, here no longer
It repeats.
In addition to this, the embodiment of the present invention additionally provides a kind of equipment of display image, and as shown in figure 11, which includes
Processor 1101 and memory 1102：
The memory 1102 is transferred to the processor for storing program code, and by said program code；
The processor 1101, for according in instruction execution Fig. 2 or shown in Fig. 3 embodiments in said program code
The method of the display image of any one embodiment.
In addition, the embodiment of the present invention additionally provides a kind of storage medium, the storage medium is described for storing program code
The method that program code is used to execute the display image of any one embodiment in Fig. 2 or shown in fig. 5 embodiments.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.The terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment including a series of elements includes not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
For device embodiments, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.System embodiment described above is only schematical, wherein described be used as separating component
The unit of explanation may or may not be physically separated, and the component shown as unit can be or can also
It is not physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not
In the case of making the creative labor, you can to understand and implement.
The above is only the specific implementation mode of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection domain of the application.
Claims (13)
1. a kind of method of display image, which is characterized in that it is applied to server, including：
The display of image file is asked in response to client, object pixel data are extracted from described image file；
The object pixel data are divided into multiple data fragmentations；
The multiple data fragmentation is sent to the client successively, so that the client receives the multiple data successively
Fragment simultaneously successively renders the multiple data fragmentation, so that the multiple data fragmentation renders successively on the client
It completes and presents.
2. according to the method described in claim 1, it is characterized in that, described ask the display of image file in response to client
It asks, object pixel data is extracted from described image file, including：
The display of image file is asked in response to client, the pixel data in described image file is extracted, as initial picture
Prime number evidence；
The original pixel data is handled using RLE compression algorithms, obtains the object pixel data.
3. according to the method described in claim 1, it is characterized in that, it is described by the multiple data fragmentation successively to the client
End is sent, and is received the multiple data fragmentation successively so as to the client and is carried out wash with watercolours to the multiple data fragmentation successively
Dye is completed and is presented so that the multiple data fragmentation renders successively on the client, including：
Determine the corresponding priority of the multiple data fragmentation；
According to the sequence of the corresponding priority of the multiple data fragmentation from high to low, successively by the multiple data fragmentation
It is sent to client, so that the client is according to the corresponding priority of the multiple data fragmentation, successively described in reception
Multiple data fragmentations simultaneously successively render the multiple data fragmentation, so that the multiple data fragmentation is on the client
It is rendered successively according to the corresponding priority of the multiple data fragmentation and completes and present.
4. according to the method described in claim 1, it is characterized in that, being indicated in the multiple data fragmentation with target data fragment
Any one data fragmentation, in the case where the target data fragment meets contractive condition, the target data fragment is logical
The mode of overcompression is transmitted between the server and the client.
5. according to the method described in claim 4, it is characterized in that, the contractive condition is that the target data fragment is corresponding
Compression parameters are more than parameter threshold, and the corresponding compression parameters of the target data fragment are by the corresponding net of the target data fragment
Network transmission speed, decompression consumption and/or priority determine.
6. the method according to claim 3 or 5, which is characterized in that
It is described that the object pixel data are divided into multiple data fragmentations, specially：According to image entities from outer layer to internal layer
Sequence, extracted respectively from the object pixel data each tomographic image entity pixel data formed a data fragmentation,
To obtain the multiple data fragmentation；
Wherein, it is higher to be formed by the corresponding priority of data fragmentation for the pixel data of image entities more outer layer.
7. a kind of method of display image, which is characterized in that it is applied to client, including：
The display to image file is sent to server to ask, so that the server extracts target picture from described image file
The object pixel data are simultaneously divided into multiple data fragmentations by prime number evidence；
The multiple data fragmentation that the server is sent to the client successively is received successively, successively to the multiple number
It is rendered according to fragment, the multiple data fragmentation is rendered successively and completes and presents.
8. the method according to the description of claim 7 is characterized in that described successively render the multiple data fragmentation,
Including：
Determine the corresponding priority of the multiple data fragmentation；
According to the corresponding priority of the multiple data fragmentation, the multiple data fragmentation is assigned to respectively multiple and different
Buffering area in；Wherein, the higher data fragmentation of priority is assigned to the more buffering area of process resource；
Process resource in the buffering area being individually assigned to using the multiple data fragmentation, respectively to the multiple data fragmentation
It is rendered.
9. the method according to the description of claim 7 is characterized in that being indicated in the multiple data fragmentation with target data fragment
Any one data fragmentation, if the target data fragment render complete before other data fragmentations for having presented be performed
User's operation, the target data fragment render complete after first carry out matrixing according to the user's operation and be in again
It is existing.
10. a kind of device of display image, which is characterized in that it is configured at server, including：
Extraction unit extracts target picture for being asked the display of image file in response to client from described image file
Prime number evidence；
Division unit, for the object pixel data to be divided into multiple data fragmentations；
Transmission unit, for sending the multiple data fragmentation to the client successively, so that the client connects successively
It receives the multiple data fragmentation and the multiple data fragmentation is rendered successively, so that the multiple data fragmentation is in visitor
It is rendered successively on the end of family and completes and present.
11. a kind of device of display image, which is characterized in that it is configured at client, including：
Transmission unit, for sending the display request to image file to server, so that the server is literary from described image
Object pixel data are extracted in part and the object pixel data are divided into multiple data fragmentations；
Receiving unit, the multiple data fragmentation sent successively to the client for receiving the server successively；
Rendering unit, for being rendered successively to the multiple data fragmentation；
Display unit is completed and is presented for rendering the multiple data fragmentation successively.
12. a kind of equipment of display image, the equipment includes processor and memory：
Said program code is transferred to the processor by the memory for storing program code；
The processor is used to show image according to instruction execution claim 1-9 any one of them in said program code
Method.
13. a kind of storage medium, the storage medium is for storing program code, and said program code is for perform claim requirement
The method that 1-9 any one of them shows image.
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| CN116993611A (en) * | 2023-07-28 | 2023-11-03 | 重庆赛力斯新能源汽车设计院有限公司 | Image loading method and device, electronic equipment and readable storage medium |
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