CN205987159U - Live all -in -one of medical treatment video - Google Patents
Live all -in -one of medical treatment video Download PDFInfo
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- CN205987159U CN205987159U CN201620729512.6U CN201620729512U CN205987159U CN 205987159 U CN205987159 U CN 205987159U CN 201620729512 U CN201620729512 U CN 201620729512U CN 205987159 U CN205987159 U CN 205987159U
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Abstract
The utility model relates to a live all -in -one of medical treatment video, which comprises the following components: a cabinet, the power module who is provided with the mainboard in the rack and is used for the power supply is still including being located the outside video management server of rack, be equipped with the video acquisition unit, video processing unit, the video compression coding unit that link to each other through the IO bus on the mainboard in proper order. The utility model provides a how be used for live technical problem after live all -in -one of medical treatment video at first having solved and to have gathered the various standards of various medical equipment output in the hospital or non - standard video and handle for the user can watch at a terminal that the multichannel has the video picture of different contents. The user can carry out at any time " removal " at the cell -phone end through the 4G network and watch, has improved user experience.
Description
Technical field
This utility model relates to the transmission of video images technical field of tele-medicine and in particular to a kind of medical video
The live all-in-one of image.
Background technology
In China, the application of the video capture device such as all kinds of video frequency collection cards, DVR makes tele-medicine efficiency
Greatly improve.What many medical treatment R＆D teams let slip no opportunity seeks various technological means.Various for realizing medical imaging, video etc.
Medical signal high-efficiency transfer, all kinds of video capture devices compatible, efficiently also therefore become focus of attention.
In the middle of practical application, we it can be seen that the video output formats of all kinds of armarium are multifarious, convention video
Collecting device is more to tend to nonstandard form.When in the face of hospital all kinds of various, during the different armarium of brand, conventional way is
Inquire the engineer of this producer, understand video output interface and signal format, parameter etc. of this equipment.Need for this equipment
It is equipped with special collecting device.And when hospital needs the signal receiving miscellaneous equipment, equipment before this is likely to mate.
So it is accomplished by the work before repeating again, again buy new equipment.Such result one is the waste of fund, two be by
In these equipment due to not customizing production, can only be scattered be placed in by the service of connection devices it is impossible to fixed installation, do not only take up
Space, and cause the probability damaged also to greatly improve.
In addition, in practical application, it has been found that the video image used in tele-medicine has field（The back of the body）Scape fixes,
The dynamically little feature of picture, also has the requirement of high definition, stability height and low latency.Straight towards consumer level market at present
Broadcast system can not be well adapted for the characteristics of demand of tele-medicine with its coding, coding/decoding method.In transmission and format transformation
There are the factors such as poor definition, incompatible, easy decay so that in signal in the image after long-distance transmissions, regarding
Fuzzy, shake that frequency quality becomes etc., strong influence uses.Transmit especially under the more severe communication environment such as wireless network
When, often because the reason such as packet loss cause picture stuck or fuzzy it is impossible to reach the level required for tele-medicine.
Utility model content
The technical problems to be solved in the utility model is：Propose a kind of based on high-definition video signal process and solve all kinds of
The live all-in-one of medical video image of video capture device compatibling problem.
This utility model is that the technical scheme solving above-mentioned technical problem proposition is：A kind of live one of medical video image
Machine, including rack, is provided with mainboard and the power module for power supply, also includes the video outside positioned at rack in described rack
Management server；
The video acquisition unit being connected by I/O bus, video processing unit, video compress are sequentially provided with described mainboard
Coding unit；
Described video acquisition unit has several video signal access interface, and described video acquisition unit is used for being connected to
The video output terminals of existing various armarium simultaneously carry out the collection of multichannel instant raw video signal；
Described video processing unit includes video pre-filtering module and HD-SDI transcoding module, and described video processing unit is fitted
In by instant for described multichannel raw video signal, the transformation of ownership becomes the high definition video standard signal of HD-SDI form after the pre-treatment；
Described video compression coding unit includes video compress arithmetical unit and video encoder, described video compression coding list
Unit is suitable to be compressed the high definition video standard signal of the HD-SDI form after being processed by described video processing unit and encode,
Described video compression coding unit, H.265 coding standard is；
Described video management server be adapted to respond to user access demand and by encoded video stream media send to
Client.
Further, described video pre-filtering module includes the video resolution adjustment submodule sequentially forming signal connection
Block, video frame rate adjustment submodule, code check adjustment submodule.
Further, described video management server includes access control management module, cache module, stream media network are sent out
Send module and locally displayed module.
The beneficial effects of the utility model are：
The live all-in-one of medical video image in this utility model solves first and how to set medical treatment various in hospital
For live technical problem so that user exists after being acquired and processed for the various standards exporting or non-standard video
One terminal can watch that multichannel has the video pictures of different content.User can by 4G network mobile phone terminal carry out with
When ground " movement " watch, improve Consumer's Experience.
Next also solves and how to meet medical video transmission stability requirement and in more severe network communications environment
Under the conditions of can still provide for high-quality video transmission technical problem, the medical video signals collecting transcoding system in this utility model
Unification and independence wound develops a kind of compressed encoding unit, and it is fixing and dynamically less that this compressed encoding unit has scene using medical video
Feature, by first intercepting " agglomerate " of motion, then the means of lumpy pattern are superimposed with clean background frames, reach
Reduce transmission of video data volume.
Another it is worth mentioning that：Adopt identical motion prediction and deformation prediction module in local side and decoding end, at this
Adjusting parameter is transferred to decoding end carry out meeting the adjustment of real image to predicting the outcome after by ground terminal.Decoding end passes through this adjustment
Parameter predicts the outcome to it and is adjusted so as to the image of final display is identical with the image collecting of local side.Ensureing
Transmission of video data volume is further reduced on the premise of video quality（Only need to transmit adjusting parameter）.
Brief description
To medical video image of the present utility model, live all-in-one is described further below in conjunction with the accompanying drawings.
Fig. 1 is the structured flowchart of the medical live all-in-one of video image in this utility model；
Fig. 2 is the workflow diagram of the medical live all-in-one of video image in this utility model；
Fig. 3 is logical structure and the operation principle schematic diagram of video compress arithmetical unit；
Fig. 4 is that agglomerate takes off the decomposing schematic representation to reference frame image for the module；
Fig. 5 is logical structure and the video reduction principle schematic diagram of client.
Specific embodiment
Embodiment
According to Fig. 1, Fig. 2 and Fig. 3, the live all-in-one of the video image in this utility model, including rack, in rack
It is provided with mainboard and the power module for power supply, also include the video management server outside positioned at rack.
Video management server includes access control management module, cache module, stream media network sending module and local
Display module.Video management server is adapted to respond to the access demand of user and sends encoded video stream media to client
End.
The video acquisition unit being connected by I/O bus, video processing unit, video compression coding are sequentially provided with mainboard
Unit.
Video acquisition unit has several video signal access interface, and video acquisition unit is used for being connected to existing various
The video output terminals of armarium simultaneously carry out the collection of multichannel instant raw video signal.Video acquisition unit include acquisition module and
Output module.Acquisition module is the hardware capture card of buying in the present embodiment, hardware capture card is provided with multichannel input and connects
Mouthful, hardware capture card is connected to the video output terminals of various armarium by coaxial cable, optical fiber cable or other wireline cable
On, the video-on-demand signal for carrying out multichannel gathers.Output module be add process chip on hardware capture card and with
This process chip be connected output port, for by by acquisition module instantaneous acquiring to every road raw video signal whole through sequential
It is transferred to video processing unit, transmission Shi Mei road raw video signal is continuous frame after reason.
Video processing unit includes video pre-filtering module and HD-SDI transcoding module, and video processing unit is suitable to multichannel
Immediately the transformation of ownership becomes the high definition video standard signal of HD-SDI form to raw video signal after the pre-treatment.Can be used as preferred
It is：Video pre-filtering module includes video resolution adjustment submodule, the video frame rate adjustment submodule sequentially forming signal connection
Block, code check adjustment submodule.The resolution of every two field picture of every road raw video signal is all adjusted by video resolution adjusting module
It is made into 1280 pixels and take advantage of 720 pixels.When the resolution of the two field picture of primary signal is less than this resolution, carry out interpolation calculation,
Make it expand to 1280 pixels and take advantage of 720 pixels, when the resolution of the two field picture of primary signal is more than this resolution, differentiated
Rate is compressed so as to be reduced to 1280 pixels to take advantage of 720 pixels.Video frame rate adjusting module is used for former after resolution adjustment
The frame per second of beginning video signal is adjusted so as to have the frame per second of 50HZ-60HZ, and code check adjusting module is believed to whole original video
Number code check parameter be adjusted the preset value of 1Mps-2Mps.
Video compression coding unit includes video compress arithmetical unit and video encoder, video compression coding unit be suitable to by
The high definition video standard signal of the HD-SDI form after being processed by video processing unit is compressed and encodes, video compression coding
Unit, H.265 coding standard is.
In order to be able to provide relatively stable and higher resolution video under severe communication environment, video compress includes former arithmetical unit
Beginning frame memory module, reference frame handling module, reference frame buffer module, agglomerate take off module, agglomerate cache module, agglomerate interframe
Movement tendency cache module, present frame reconstructed module, the second present frame reconstructed module, agglomerate motion compensation calculations module, agglomerate
Interframe deformation prediction module and agglomerate deformation compensation calculation module.
Wherein, it is pre-stored with the original two field picture under pure background scene in primitive frame memory module.
Reference frame handling module captures a two field picture as reference frame after being used for each interval N frame, the span of N is 0-
60, reference frame handling module captures it is also possible to be preset to continuously capture after being preset to be spaced N frame, works as network environment
Preferably or can be arranged to continuously capture when higher to video quality requirement or N value becomes little.It is continuous crawl in the present embodiment,
Reference frame handling module captures the second two field picture（" the second frame " is only described with reference to the drawings for convenience, in a particular application,
" second frame " is actual to be X+1 frame, similarly hereinafter）As reference frame, in the present embodiment preset captured reference frame include have powerful connections with
Outer substantial image（Actual scene as the parameter curve in electrocardiogram indicator or operation interior）, view network transmission environment and
Depending on the demand of video quality, the reference frame after crawl is deposited in reference to standby in frame buffer module.
Agglomerate takes off module for taking off out the agglomerate image with actual content in reference frame image and by this agglomerate
The information input of pattern is temporary in agglomerate cache module.When taking off as shown in figure 4, first by reference frame image and primitive frame
Image resolves into some macro blocks of various level and some microliths according to the colourity of image and brightness, and then overlapping contrast removes weight
Multiblock, retains difference block, and the set of the difference block being retained is defined as agglomerate, and lumpy pattern information includes aforementioned differences block and exists
The relevant parameters such as the coordinate in reference frame, colourity, brightness.Lumpy pattern information temporary storage is supplied in agglomerate cache module call.
As shown in Figure 4, in the present embodiment, agglomerate is five-pointed star case.
Agglomerate interframe movement prediction module gathers the 3rd two field picture and searching wherein meets aforementioned lumpy pattern information spy
The lumpy pattern levied, and then calculate agglomerate in the 3rd frame relative to motion vector during in the second frame, and by this motion vector
It is sent in present frame reconstructed module as agglomerate motion prediction vectors, be used for constructing virtual current frame image（4th frame）,
Virtual agglomerate is contained in virtual current frame image.
Agglomerate motion compensation calculations module gathers actual current frame image, and by actual current frame image and virtual present frame
Compare inspection, calculate in virtual agglomerate and actual current frame image the alternate position spike between agglomerate and to combine agglomerate motion pre-
Direction finding gauge calculates agglomerate motion compensation difference.
Agglomerate interframe deformation prediction module gathers the 3rd two field picture and searching wherein meets aforementioned lumpy pattern information spy
The lumpy pattern levied, calculates in the 3rd frame lumpy pattern relative to the agglomerate deformation of the lumpy pattern information in agglomerate cache module
Trend parameter, calculates each micro- in the deformation parameter investigating agglomerate pattern edge profile during agglomerate deformation tendency parameter and lumpy pattern
The chroma luminance parameter of block.
Second present frame reconstructed module is used for constructing virtual current frame image, and the second present frame reconstructed module is according to deformation
Trend parameter prediction reconstructs the shape of lumpy pattern, colourity and brightness in present frame.The collection of agglomerate deformation compensation calculation module is real
Border current frame image is simultaneously compared with lumpy pattern in aforementioned virtual current frame image, calculates the agglomerate with regard to lumpy pattern
Deformation compensates residual value.
Lumpy pattern information, agglomerate motion compensation difference and agglomerate deformation compensate after residual value is encoded by video encoder and send
Cache module to streaming media server, original two field picture also sends cache module by primitive frame memory module.
Access control management module in video management server is used for responding the access request of terminal use and judging to use
Whether the authority at family is mated with this request, if coupling, further will be buffered in by stream media network sending module
Video data in cache module is sent to user.
By module locally displayed in video management server, in the present embodiment, locally displayed module includes liquid crystal display
Device, buffer location and decoding unit.Can be in local preview video image information by locally displayed module.Another positioned at network
Also there is in the client of side identical display device, buffer location and decoding unit.
As shown in figure 5, decoding unit includes decoder module, the second primitive frame memory module, the second agglomerate cache module, group
Block motion compensation feedback module, agglomerate deformation Compensation Feedback module, the second agglomerate interframe movement prediction module, agglomerate interframe movement
Trend cache module, the second agglomerate interframe deformation prediction module, agglomerate interframe deformation tendency cache module and the 3rd present frame weight
Structure module.
Second primitive frame memory module reads original two field picture from buffer location, and during in this, as video playback
First two field picture, decoder module reads lumpy pattern information, agglomerate motion compensation difference and agglomerate deformation from buffer location
Compensate residual value and be separately sent to agglomerate cache module, agglomerate motion compensation feedback module and agglomerate deformation compensation after the decoding instead
Feedback module.
Second agglomerate cache module, agglomerate motion compensation feedback module and agglomerate deformation Compensation Feedback module will receive respectively
To lumpy pattern information, agglomerate motion compensation difference and agglomerate deformation compensate residual value be loaded into present frame reconstructed module for weight
Structure current frame image.
Second agglomerate interframe movement prediction module and the agglomerate motion prediction vectors of the second agglomerate interframe deformation prediction module
Also load respectively with agglomerate deformation tendency parameter result of calculation and be used for reconstructing current frame image to the 3rd present frame reconstructed module.The
Two agglomerate interframe movement prediction module and the second agglomerate interframe deformation prediction module are also by agglomerate motion prediction vectors and agglomerate shape
Change trend parameter is separately input to agglomerate interframe movement trend cache module and agglomerate interframe deformation tendency cache module, in case
Occur packet loss, frame losing when can previous frame trend continue reconstructed image.
Second agglomerate interframe movement prediction module and the also constantly collection of the second agglomerate interframe deformation prediction module reconstruct
The two field picture coming, in initial light with defeated when cannot calculate motion or deformation tendency after gathering original two field picture and the second two field picture
Go out for sky.
The 3rd present frame reconstructed module in decoding unit first reads former in the second primitive frame memory module in reconstruct
Beginning two field picture, then read the lumpy pattern information in the second agglomerate cache module, by with reference to agglomerate motion prediction vectors and group
The picture that block deformation tendency and agglomerate motion compensation difference and agglomerate deformation compensation residual value carry out present frame reconstructs and exports.
Of the present utility model be not limited to above-described embodiment, the technical scheme of each embodiment above-mentioned of the present utility model that
This can form new technical scheme with combined crosswise, the technical scheme that in addition all employing equivalents are formed, and all falls within this practicality
In the protection domain of new requirement.
Claims (3)
1. a kind of live all-in-one of medical video image it is characterised in that：Including rack, in described rack, it is provided with mainboard and use
In the power module of power supply, also include the video management server outside positioned at rack；
The video acquisition unit being connected by I/O bus, video processing unit, video compression coding are sequentially provided with described mainboard
Unit；
Described video acquisition unit has several video signal access interface, and described video acquisition unit is used for being connected to existing
The video output terminals of various armarium simultaneously carry out the collection of multichannel instant raw video signal；
Described video processing unit includes video pre-filtering module and HD-SDI transcoding module, described video processing unit be suitable to by
The transformation of ownership becomes the high definition video standard signal of HD-SDI form to the instant raw video signal of described multichannel after the pre-treatment；
Described video compression coding unit includes video compress arithmetical unit and video encoder, and described video compression coding unit is fitted
In being compressed the high definition video standard signal of the HD-SDI form after being processed by described video processing unit and encoding, described
Video compression coding unit, H.265 coding standard is；
Described video management server is adapted to respond to the access demand of user and sends encoded video stream media to client
End.
2. according to claim 1 the live all-in-one of medical video image it is characterised in that：Described video pre-filtering module bag
Include and sequentially form the video resolution adjustment submodule of signal connection, video frame rate adjusts submodule, code check adjusts submodule.
3. according to claim 1 the live all-in-one of medical video image it is characterised in that：Described video management server bag
Include access control management module, cache module, stream media network sending module and locally displayed module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620729512.6U CN205987159U (en) | 2016-07-12 | 2016-07-12 | Live all -in -one of medical treatment video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620729512.6U CN205987159U (en) | 2016-07-12 | 2016-07-12 | Live all -in -one of medical treatment video |
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| Publication Number | Publication Date |
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| CN205987159U true CN205987159U (en) | 2017-02-22 |
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| CN201620729512.6U Expired - Fee Related CN205987159U (en) | 2016-07-12 | 2016-07-12 | Live all -in -one of medical treatment video |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027991A (en) * | 2016-07-12 | 2016-10-12 | 李巍 | Medical video and live broadcast all-in-one machine |
-
2016
- 2016-07-12 CN CN201620729512.6U patent/CN205987159U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027991A (en) * | 2016-07-12 | 2016-10-12 | 李巍 | Medical video and live broadcast all-in-one machine |
| CN106027991B (en) * | 2016-07-12 | 2024-02-13 | 李巍 | Medical video image live broadcast all-in-one |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20200712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |