CN109561119A - A kind of data transmission method for uplink, data receiver method and equipment - Google Patents
A kind of data transmission method for uplink, data receiver method and equipment Download PDFInfo
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Abstract
The present invention provides a kind of data transmission method for uplink, data receiver method and equipment.Target image is divided into multiple subgraphs by the present invention, the coded data of corresponding subgraph is transmitted using subframe, the present invention is when dividing subgraph, the quantity of the subgraph after dividing is determined according to the mass parameter of wireless transmission link, so that the size of subgraph is adapted with wireless transmission link quality, so as to improve the transmission success rate of image data, improve the fluency and integrality of picture, the excessive problem of caused time delay can be transmitted respectively using basic frame and enhancement frame to avoid the prior art, the computation complexity and processing delay of receiving end can also be reduced, improve user experience.
Description
Technical field
The present invention relates to mobile communication technology fields, and in particular to a kind of data transmission method for uplink, data receiver method and sets
It is standby.
Background technique
There are mainly two types of the transmission methods of existing Streaming Media or picture based on wireless transmission, and one is using basic frame
It is transmitted respectively with enhancement frame；Another is overall transfer.The transmission side of existing Streaming Media or picture based on wireless transmission
Method in the case where the dual high request of channel width and time delay, is led to when realizing low time delay large-data operation picture transmission
Often it is difficult to ensure that all data are accurate and incoming terminal on time.If selecting overall transfer mode, once link fails, lose
Part is lost to be likely to will seriously affect picture display effect；If selection distinguishes transmission mode using basic frame and enhancement frame,
The calculating intensity of terminal is not only increased, and increases calculation delay, can also influence the experience effect of user to a certain extent.
Therefore, need a kind of radio transmitting method for low time delay large-data operation picture, by reduce time delay and in terms of
Complexity is calculated, user experience effect is improved.
Summary of the invention
Technical problems to be solved of the embodiment of the present invention are to provide a kind of data transmission method for uplink, data receiver method and set
It is standby, it can be applied to the wireless transmission of low time delay large-data operation picture, time delay and computation complexity can be reduced, improve and use
Family experience effect.
In order to solve the above technical problems, the embodiment of the invention provides a kind of data transmission method for uplink, comprising:
Target image is divided into the multiple subgraphs not overlapped；
It for each subgraph, is encoded respectively, obtains the corresponding subframe of the subgraph, the subframe carries described
The location information of subgraph in the target image；
The corresponding subframe of each subgraph is sent to terminal.
Preferably, in the above method, described the step of target image is divided into the multiple subgraphs not overlapped, packet
It includes:
Target image is divided into multiple subgraphs that are equal in magnitude and not overlapping, wherein each subgraph is in target figure
Proportion as in is identical.
Preferably, in the above method, each subgraph includes equally distributed multiple images unit in the target image.
Preferably, in the above method, before the step of target image is divided into the multiple subgraphs not overlapped, also
Include:
According to the transmission link parameter of target image, the quantity for the subgraph that target image will be divided into is determined, it is described
Transmission link parameter includes at least one of link bandwidth, link-quality and chain-circuit time delay, wherein preferably transmission link is joined
Number, the quantity corresponding to less subgraph.
Preferably, the above method further include:
Periodically receive the transmission link parameter for the target image that the network equipment is sent.
The embodiment of the invention also provides a kind of data receiver methods, comprising:
Receive the corresponding subframe of subgraph, wherein the subframe carries the position of the subgraph in the target image
Information, the target image include the multiple subgraphs not overlapped；
The subframe is decoded, the corresponding subgraph of the subframe is obtained, and in the target image according to the subgraph
Location information determines the display position of the subgraph；
Corresponding subgraph is shown in the display position of each subgraph.
Preferably, in the above method, the step of display position in each subgraph shows corresponding subgraph, packet
It includes:
When corresponding first subframe in the first display position in the target image does not receive, carried according in subframe
Location information select at least one second subframe adjacent with the position of the first subframe from having received in subframe；
Mean value calculation is carried out at least one described second subframe, using calculated result as third subframe；
The third subframe is decoded, obtains the corresponding subgraph of the third subframe, and at first display position
It is shown.
The embodiment of the invention also provides a kind of servers, comprising:
Processor, for target image to be divided into the multiple subgraphs not overlapped；For each subgraph, respectively into
Row coding, obtains the corresponding subframe of the subgraph, the subframe carries the location information of the subgraph in the target image；
Transceiver, for sending the corresponding subframe of each subgraph to terminal.
The embodiment of the invention also provides a kind of terminals, comprising:
Transceiver, for receiving the corresponding subframe of subgraph, wherein the subframe carries the subgraph in target figure
Location information as in, the target image includes the multiple subgraphs not overlapped；
Processor obtains the corresponding subgraph of the subframe, and according to the subgraph in mesh for decoding the subframe
Location information in logo image determines the display position of the subgraph；It is shown in the display position of each subgraph corresponding
Subgraph.
The embodiment of the invention also provides a kind of communication equipments characterized by comprising memory, processor and storage
On a memory and the computer program that can run on a processor, real when the computer program is executed by the processor
Now the step of data transmission method for uplink as described above, or the step of realizing data receiver method as described above.
The embodiment of the invention also provides a kind of computer readable storage medium, deposited on the computer readable storage medium
Computer program is contained, when the computer program is executed by processor, the step of realizing data delivery method as described above,
Or the step of realizing data receiver method as described above.
Compared with prior art, data transmission method for uplink provided in an embodiment of the present invention, data receiver method and equipment, by mesh
Logo image is divided into multiple subgraphs, transmits the coded data of corresponding subgraph using subframe, the embodiment of the present invention according to
The mass parameter of wireless transmission link determines the quantity of the subgraph after dividing, so that the size and wireless transmission link of subgraph
Quality is adapted, and so as to improve the transmission success rate of image data, improves the fluency and integrality of picture, can be to avoid
The prior art transmits the excessive problem of caused time delay using basic frame and enhancement frame respectively.In addition, due to by overall goals
Image is divided into multiple subgraphs and transmits respectively, even if losing the data in some subframe, can also pass through algorithm in receiving end
Restore to data are lost, can improve and be shown using in overall transfer mode because seriously affecting picture caused by loss of data
The problem of.As can be seen that the above-mentioned sending method of the embodiment of the present invention, can improve low time delay large-data operation picture vision
Experience effect can also reduce the computation complexity and processing delay of receiving end, improve user experience.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
A kind of flow chart of Fig. 1 data transmission method for uplink provided in an embodiment of the present invention；
The exemplary diagram that Fig. 2 subgraph provided in an embodiment of the present invention divides；
Another exemplary diagram that Fig. 3 subgraph provided in an embodiment of the present invention divides；
A kind of flow chart of Fig. 4 data receiver method provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of server provided in an embodiment of the present invention；
Fig. 6 is another structural schematic diagram of server provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention；
Fig. 8 is another structural schematic diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.In the following description, such as specific configuration is provided and the specific detail of component is only
In order to help comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, it is omitted pair
The description of known function and construction.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that the size of the serial number of following each processes is not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
Fig. 1 is please referred to, the embodiment of the invention provides a kind of data transmission method for uplink, this method can be applied to server
Side, to realize the wireless transmission of low time delay large-data operation picture, as shown in Figure 1, this method comprises:
Step 11, target image is divided into the multiple subgraphs not overlapped.
Here, target image is the complete picture of a width, such as can be a certain sub-picture in video flowing.The present invention is real
Size phase can be divided for target image according to the identical principle of the proportion of each subgraph in the target image by applying example
Deng and multiple subgraphs for not overlapping, each subgraph be finally encoded into a time-domain transmission unit (such as subframe) and carry out
Transmission.I.e. server can using etc. contribution degrees mechanism, display effect (resolution ratio of the subgraph split to general image
It is comprehensive with content) be as, while subgraph have position characteristic (position of all subgraphs is not overlapped).Subgraph number
Amount can be selected according to practical application scene, such as: under the scene that channel quality is poorer, time delay is higher, can be split more
Subgraph；Conversely, the subgraph quantity split can be fewer.
In order to determine the quantity of subgraph, the embodiment of the present invention is before above-mentioned steps 11, the available target of server
The transmission link parameter of image, for example, can periodically be obtained when being wirelessly transferred by the network equipment (such as base station)
The transmission link parameter for the target image that the network equipment (such as base station) is sent, the transmission link parameter includes link bandwidth, chain
At least one of road quality and chain-circuit time delay.Then, according to the transmission link parameter of target image, determine that target image will
The quantity for the subgraph being divided into, wherein preferably transmission link parameter, the quantity corresponding to less subgraph.
Fig. 2 gives an example of subgraph division.In Fig. 2, target image 21 is divided into 4n etc. along X direction
Part, obtain 4n elementary area 211, to number respectively be 1,2,3 ..., 4n, then, by the 1st, 5,9 ..., 4n-3 elementary area
Subgraph as the 1st subframe is encoded；It is similar, using the 2nd, 6,10 ..., 4n-2 elementary area be as the 2nd son
The subgraph of frame is encoded；Using the 3rd, 7,11 ..., 4n-1 elementary area encode as the subgraph of the 3rd subframe；
Using the 4th, 8,12 ..., 4n elementary area encode as the subgraph of the 4th subframe.To which target image 21 is divided
At 4 subgraphs, transmitted by 4 subframes.As can be seen that a subgraph of the embodiment of the present invention may include in mesh
Equally distributed multiple images unit in logo image.
Fig. 3 gives another example of subgraph division.In Fig. 3, all along horizontally and vertically direction by target image 21
4n equal portions are divided into, 4n*4n elementary area 211 is obtained.Then to each elementary area in the way of scheming medium and small square
Number consecutively is carried out, i.e., every 2*2 elementary area is numbered as 1~4 elementary area.Then, all images for being 1 by number
Unit is encoded as the subgraph of the 1st subframe；All elementary areas for being 2 using number are as the subgraph of the 2nd subframe
As being encoded；All elementary areas that number is 3 are encoded as the subgraph of the 3rd subframe；The institute for being 4 by number
There is elementary area to be encoded as the subgraph of the 4th subframe；To which target image 21 is divided into 4 subgraphs, passes through
4 subframes are transmitted.A subgraph in the example is also included within equally distributed multiple images unit in target image.
The above is only 2 examples that the subgraph of the embodiment of the present invention divides, the embodiment of the present invention can also use other
Division mode.For example, target image is directly divided into n equal portions, each equal portions correspond to subframe, etc..
Step 12, it for each subgraph, is encoded respectively, obtains the corresponding subframe of the subgraph, the subframe is taken
Location information with the subgraph in the target image.
Here, it is separately encoded for each subgraph, obtains the corresponding subframe of the subgraph.In order to being capable of root in terminal side
Target image is restored according to subgraph, needs of the embodiment of the present invention further carry each subgraph in target image in subframe
In location information.The subframe is a kind of time-domain transmission unit of wireless communication system, usually it is minimum can dispatch when
Domain transmission unit.For example, each subframe is one section of running time-frequency resource of length 1ms in LTE system.Above-mentioned subframe is not based on
With in the communication system of standard, may having different titles and different time domain lengths.For example, in 5G system, above-mentioned subframe
It may be the OFDM symbol of predetermined quantity.
Step 13, the corresponding subframe of each subgraph is sent to terminal.
By above step, target image is divided into multiple subgraphs by the embodiment of the present invention, is transmitted using subframe pair
The coded data for the subgraph answered, the embodiment of the present invention can join when dividing subgraph according to the quality of wireless transmission link
Number determines the quantity of the subgraph after dividing, so that the size of subgraph is adapted with wireless transmission link quality, so as to
The transmission success rate for improving image data, improves the fluency and integrality of picture, can be to avoid the prior art using basic frame
Transmit the excessive problem of caused time delay respectively with enhancement frame.In addition, since overall goals image is divided into multiple subgraphs
As transmitting respectively, even if losing the data in some subframe, can also be restored by algorithm to data are lost in receiving end,
The problem of can improving using in overall transfer mode because seriously affecting picture display caused by loss of data.As can be seen that this
The above-mentioned sending method of inventive embodiments can improve low time delay large-data operation picture visual experience effect, can also drop
The computation complexity and processing delay of low receiving end improve user experience.
Corresponding to the above sending method, the embodiment of the invention also provides a kind of data receiver method, this method is applied to
The terminal of receiving side, as shown in figure 4, the method for reseptance includes:
Step 41, the corresponding subframe of subgraph is received, wherein the subframe carries the subgraph in the target image
Location information, the target image includes the multiple subgraphs not overlapped.
Here, the subframe is a kind of time-domain transmission unit of wireless communication system, usually it is minimum can dispatch when
Domain transmission unit.For example, each subframe is one section of running time-frequency resource of length 1ms in LTE system.Above-mentioned subframe is not based on
With in the communication system of standard, may having different titles and different time domain lengths.For example, in 5G system, above-mentioned subframe
It may be the OFDM symbol of predetermined quantity.
In the embodiment of the present invention, transmitting terminal utilizes wireless communication system by the way that target image is divided into multiple subgraphs
Subframe transmit the coded data of each subgraph respectively, meanwhile, the location information of subgraph is also carried in subframe, with
Restore target image for terminal.
Step 42, the subframe is decoded, obtains the corresponding subgraph of the subframe, and according to the subgraph in target figure
Location information as in, determines the display position of the subgraph.
Step 43, corresponding subgraph is shown in the display position of each subgraph.
Here, terminal utilizes the location information of subgraph in the target image, and each subgraph is shown in target image
In corresponding position, to finally show entire target image.
From above step as can be seen that the above-mentioned data receiver method of the embodiment of the present invention, since server side is by target
Image is divided into multiple subgraphs, and the coded data of corresponding subgraph is transmitted using subframe, since target image is to pass through
Multiple subframes are transmitted, and the interval between subframe usually can satisfy the requirement of low time delay business, are avoided using basic frame
Transmit the excessive problem of caused time delay respectively with enhancement frame.As can be seen that the above-mentioned method of reseptance of the embodiment of the present invention, it can
To improve low time delay large-data operation picture visual experience effect, when can also reduce computation complexity and the processing of receiving end
Prolong, improves user experience.
In above-mentioned steps 43, if receiving all subgraphs of target image, can by each subgraph according to
Its location information is placed, and is display together as whole frame original target image.It, can be with if partial subgraph picture does not receive
After the subgraph having received is placed according to location information, the sub-frame data that closes on of the subgraph of vacant locations is averaged
After obtaining prediction subgraph after (arithmetic average or weighted average etc.), fill up in vacant locations, then show together.
For example, when corresponding first subframe in the first display position in the target image does not receive, according to subframe
The location information of middle carrying selects at least one second son adjacent with the position of the first subframe from having received in subframe
Frame；Mean value calculation (specifically can be arithmetic mean or weighted average etc.) is carried out at least one described second subframe, will be counted
Result is calculated as third subframe；Then, the third subframe is decoded, obtains the corresponding subgraph of the third subframe, and in institute
It states and is shown at the first display position.
By handling above, the above-mentioned method of reseptance of the embodiment of the present invention can also even if losing the data in some subframe
With receiving end by algorithm to lose data restore, can improve using in overall transfer mode because loss of data causes
Seriously affect picture display the problem of.
Based on the method that above embodiments provide, the embodiment of the invention also provides a kind of computer readable storage medium,
Computer program is stored on the computer readable storage medium, when the computer program is executed by processor, realize with
Described in upper embodiment the step of data delivery method, or the step of realizing data receiver method described in above embodiments.
Equipment based on the method that above embodiments provide, the embodiment of the invention also provides the above method is implemented.
Referring to figure 5., the embodiment of the invention provides a kind of servers 50, comprising:
Target image is divided into the multiple subgraphs not overlapped by processor 52；For each subgraph, carry out respectively
Coding, obtains the corresponding subframe of the subgraph, the subframe carries the location information of the subgraph in the target image；
Transceiver 51 sends the corresponding subframe of each subgraph to terminal.
Preferably, above-mentioned processor 52 is also used to divide target image multiple subgraphs that are equal in magnitude and not overlapping
Picture, wherein the proportion of each subgraph in the target image is identical.
Here, each subgraph may include equally distributed multiple images unit in the target image again.
Preferably, above-mentioned processor 52 is also used in the step that target image is divided into the multiple subgraphs not overlapped
Before rapid, according to the transmission link parameter of target image, the quantity for the subgraph that target image will be divided into, the biography are determined
Transmission link parameter includes at least one of link bandwidth, link-quality and chain-circuit time delay, wherein preferably transmission link is joined
Number, the quantity corresponding to less subgraph.
Preferably, above-mentioned transceiver 51 is also used to periodically receive the chain for the target image that the network equipment is sent
Road parameter.
Referring to FIG. 6, the embodiment of the invention provides another structural schematic diagrams of server, comprising: processor 601 is received
Hair machine 602, memory 603 and bus interface, in which:
In embodiments of the present invention, server 600 further include: storage 603 and can transport on processor 601 on a memory
Capable computer program, computer program realize following steps when being executed by processor 601: target image being divided into and is not weighed mutually
Folded multiple subgraphs；It for each subgraph, is encoded respectively, obtains the corresponding subframe of the subgraph, the subframe is taken
Location information with the subgraph in the target image；Each subgraph pair is sent to terminal by the transceiver 602
The subframe answered.
In Fig. 6, bus architecture may include the bus and bridge of any number of interconnection, specifically be represented by processor 601
One or more processors and the various circuits of memory that represent of memory 603 link together.Bus architecture can be with
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like are linked together, these are all these
Well known to field, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 602 can be
Multiple element includes transmitter and receiver, provides the unit for communicating over a transmission medium with various other devices.
Processor 601, which is responsible for management bus architecture and common processing, memory 603, can store processor 601 and is holding
Used data when row operation.
Optionally, following steps be can also be achieved when computer program is executed by processor 603: at least according to first community
The maximum transmission power parameter of one minimum time domain scheduling unit determines the maximum transmission power with reference to minimum time domain scheduling unit
Parameter.
Optionally, following steps be can also be achieved when computer program is executed by processor 603: target image is divided into size
Multiple subgraphs that are equal and not overlapping, wherein the proportion of each subgraph in the target image is identical.Here, often
A subgraph may include equally distributed multiple images unit in the target image again.
Optionally, following steps be can also be achieved when computer program is executed by processor 603: being divided by target image
Before the step of multiple subgraphs not overlapped, according to the transmission link parameter of target image, determine that target image will be drawn
The quantity for the subgraph being divided into, the transmission link parameter include at least one in link bandwidth, link-quality and chain-circuit time delay
Person, wherein preferably transmission link parameter, the quantity corresponding to less subgraph.
Optionally, following steps be can also be achieved when computer program is executed by processor 603: by transceiver 602, period
Property receive the network equipment send target image transmission link parameter.
Fig. 7 is please referred to, the embodiment of the invention provides a kind of terminals 70, comprising:
Transceiver 72 receives the corresponding subframe of subgraph, wherein the subframe carries the subgraph in target image
In location information, the target image includes the multiple subgraphs not overlapped；
Processor 71 decodes the subframe, obtains the corresponding subgraph of the subframe, and according to the subgraph in target
Location information in image determines the display position of the subgraph；Corresponding son is shown in the display position of each subgraph
Image.
Preferably, the processor 71 is also used to corresponding first son in the first display position in the target image
When frame does not receive, according to the location information carried in subframe, from having received in subframe, the position with the first subframe is selected
Second subframe of at least one adjacent；Mean value calculation is carried out at least one described second subframe, using calculated result as the
Three subframes；Decode the third subframe, obtain the corresponding subgraph of the third subframe, and at first display position into
Row display.
Fig. 8, another structure of terminal provided in an embodiment of the present invention are please referred to, which includes: processor 801, receives
Hair machine 802, memory 803, user interface 804 and bus interface, in which:
In embodiments of the present invention, terminal 800 further include: storage 803 and can be run on processor 801 on a memory
Computer program, computer program realizes following steps when being executed by processor 801: by transceiver 802, receiving subgraph
Corresponding subframe, wherein the subframe carries the location information of the subgraph in the target image, the target image packet
Include the multiple subgraphs not overlapped；The subframe is decoded, obtains the corresponding subgraph of the subframe, and according to the subgraph
Location information in the target image determines the display position of the subgraph；It is shown pair in the display position of each subgraph
The subgraph answered.
In fig. 8, bus architecture may include the bus and bridge of any number of interconnection, specifically be represented by processor 801
One or more processors and the various circuits of memory that represent of memory 803 link together.Bus architecture can be with
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like are linked together, these are all these
Well known to field, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 802 can be
Multiple element includes transmitter and receiver, provides the unit for communicating over a transmission medium with various other devices.Needle
To different user equipmenies, user interface 804, which can also be, external the interface for needing equipment is inscribed, and the equipment of connection includes
But be not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 801, which is responsible for management bus architecture and common processing, memory 803, can store processor 801 and is holding
Used data when row operation.
Optionally, following steps be can also be achieved when computer program is executed by processor 803: in the target image
When corresponding first subframe in first display position does not receive, according to the location information carried in subframe, from having received subframe
In, select at least one second subframe adjacent with the position of the first subframe；At least one described second subframe is carried out flat
Mean value computation, using calculated result as third subframe；The third subframe is decoded, the corresponding subgraph of the third subframe is obtained
Picture, and shown at first display position.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needs
Purpose.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute data transmission method for uplink or method of reseptance described in each embodiment of the present invention
All or part of the steps.And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various
It can store the medium of program code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (11)
1. a kind of data transmission method for uplink characterized by comprising
Target image is divided into the multiple subgraphs not overlapped；
It for each subgraph, is encoded respectively, obtains the corresponding subframe of the subgraph, the subframe carries the subgraph
As location information in the target image；
The corresponding subframe of each subgraph is sent to terminal.
2. the method as described in claim 1, which is characterized in that described that target image is divided into the multiple subgraphs not overlapped
The step of picture, comprising:
Target image is divided into multiple subgraphs that are equal in magnitude and not overlapping, wherein each subgraph is in the target image
Proportion it is identical.
3. method according to claim 2, which is characterized in that each subgraph includes equally distributed more in the target image
A elementary area.
4. the method as described in claim 1, which is characterized in that target image is being divided into the multiple subgraphs not overlapped
The step of before, further includes:
According to the transmission link parameter of target image, the quantity for the subgraph that target image will be divided into, the transmission are determined
Link parameter includes at least one of link bandwidth, link-quality and chain-circuit time delay, wherein preferably transmission link parameter,
Quantity corresponding to less subgraph.
5. method as claimed in claim 4, which is characterized in that further include:
Periodically receive the transmission link parameter for the target image that the network equipment is sent.
6. a kind of data receiver method characterized by comprising
Receiving the corresponding subframe of subgraph, wherein the subframe carries the location information of the subgraph in the target image,
The target image includes the multiple subgraphs not overlapped；
The subframe is decoded, the corresponding subgraph of the subframe, and the position according to the subgraph in the target image are obtained
Information determines the display position of the subgraph；
Corresponding subgraph is shown in the display position of each subgraph.
7. method as claimed in claim 6, which is characterized in that the display position in each subgraph shows corresponding son
The step of image, comprising:
When corresponding first subframe in the first display position in the target image does not receive, according to the position carried in subframe
Confidence breath, from having received in subframe, selects at least one second subframe adjacent with the position of the first subframe；
Mean value calculation is carried out at least one described second subframe, using calculated result as third subframe；
The third subframe is decoded, the corresponding subgraph of the third subframe is obtained, and is carried out at first display position
Display.
8. a kind of server characterized by comprising
Processor, for target image to be divided into the multiple subgraphs not overlapped；For each subgraph, compiled respectively
Code, obtains the corresponding subframe of the subgraph, the subframe carries the location information of the subgraph in the target image；
Transceiver, for sending the corresponding subframe of each subgraph to terminal.
9. a kind of terminal characterized by comprising
Transceiver, for receiving the corresponding subframe of subgraph, wherein the subframe carries the subgraph in the target image
Location information, the target image includes the multiple subgraphs not overlapped；
Processor obtains the corresponding subgraph of the subframe, and according to the subgraph in target figure for decoding the subframe
Location information as in, determines the display position of the subgraph；Corresponding subgraph is shown in the display position of each subgraph
Picture.
10. a kind of communication equipment characterized by comprising memory, processor and storage are on a memory and can be in processor
The computer program of upper operation when the computer program is executed by the processor, is realized as any in claim 1 to 5
The step of data transmission method for uplink described in item, or realize the step such as the described in any item data receiver methods of claim 6 to 7
Suddenly.
11. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program when the computer program is executed by processor, realizes the data delivery side as described in any one of claims 1 to 5
The step of method, or the step of realizing the data receiver method as described in any one of claim 6 to 7.
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