CN108366245A - Imaged image transmission method and device - Google Patents
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- CN108366245A CN108366245A CN201810218305.8A CN201810218305A CN108366245A CN 108366245 A CN108366245 A CN 108366245A CN 201810218305 A CN201810218305 A CN 201810218305A CN 108366245 A CN108366245 A CN 108366245A
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Abstract
The present invention provides imaged image transmission method and devices, are related to technical field of data transmission, wherein the imaged image transmission method includes：The volume of transmitted data for the transmission medium that the detection of image transmitting terminal is attached thereto, when the main body resolution value of image data is more than foreground resolution value, and, when main body resolution value is more than background resolution value, every frame image in image data to be transmitted is divided into multiple images block, when volume of transmitted data is less than pixel, calculate the difference between volume of transmitted data and pixel, according to the minimum image block of the type to get colors, reduce the pixel of the image block selected, calculate the reduction amount of the pixel of image block, when reduction amount and difference it is equal in magnitude when, the image block that the minimum image block of color category is updated to preserve, and the image block of not updated image block and preservation is put into transmission medium and is transmitted, to improve the matching degree of image data and transmission medium.
Description
Technical field
The present invention relates to technical field of data transmission more particularly to imaged image transmission methods and device.
Background technology
It is universal with computer technology with the development of science and technology, it is various also to be given using the imaged image data of high-tech technology
People bring completely new sensory experience.The stage effect made by 3D technology, the virtual reality trip made by VR technologies
The remote multi-person video pictures etc. that play is experienced, realized by Video chat technology are all in front end (for example, 3D glasses, camera
Deng) get the imaged image data comprising image after, be ultimately transferred to after transmission medium using certain transmission technology
The human eye of audience.
But in transmission process, the imaged image data of above-mentioned diversified forms are needed by image collecting device and image exhibition
The transmission medium (for example, cable, electronic circuit etc.) set up between showing device is propagated.Due to the specification ratio of transmission medium
It is relatively fixed, it can not be adjusted flexibly after installation is completed.Therefore, imaged image data inevitably will appear in transmission process
Obstruction, i.e. the imaged image data of current transmission are excessive, and the volume of transmitted data of matched transmission medium is too small etc., from
And imaged image data is caused to occur the phenomenon that congestion, even packet loss in transmission process, and then lead to image demonstration apparatus
It can not watch the image of complete display or even image demonstration apparatus that can not play after receiving above-mentioned imaged image data
State imaged image data.
To sum up, it the problem of can not being matched at present with transmission medium in transmission process about imaged image data, there is no
The solution of effect.
Invention content
In view of this, the embodiment of the present invention has been designed to provide imaged image transmission method and device, pass through detection
The volume of transmitted data of transmission medium and the resolution ratio etc. for reducing imaged image to be transmitted improve transmission medium and to be transmitted
Imaged image matching degree, consequently facilitating getting the video image of complete display in image receiving terminal.
In a first aspect, an embodiment of the present invention provides imaged image transmission methods, including：
When receiving image transmission request triggering, image transmitting terminal detects the data for the transmission medium being attached thereto in real time
Transmission quantity；
Image transmitting terminal transfers image data corresponding with imaged image transmission triggering from the data storage end；
Image transmitting terminal extracts foreground resolution value, main body resolution value and the background resolution value of image data respectively；
Image transmitting terminal compares foreground resolution value, the size of main body resolution value and background resolution value；
Resolution value is more than foreground resolution value based on the result of the comparison, and, main body resolution value is more than background point
When resolution value, image transmitting terminal sets image data to image data to be transmitted；
Every frame image in image data to be transmitted is divided into multiple images block by image transmitting terminal, wherein Mei Getu
Picture point as including different colours in block, and, each image block is the matrix-block of n*n；
The size of the image transmitting terminal pixel of more current volume of transmitted data and image block frame by frame；
When volume of transmitted data is less than the size of pixel, image transmitting terminal calculates the difference between volume of transmitted data and pixel
Value；
In the more each image block of image transmitting terminal the type of the picture point of included color number；
The minimum image block of type that image transmitting terminal gets colors, reduces the pixel of the image block selected, and, it calculates
The reduction amount of the pixel of image block；
Image transmitting terminal compares the size of reduction amount and difference；
When reduction amount and difference it is equal in magnitude when, image transmitting terminal preserves the image of the pixel to match with reduction amount
Block；
The image block that the minimum image block of the type of color is updated to preserve by image transmitting terminal；
The image block of not updated image block and preservation is put into transmission medium and is transmitted by image transmitting terminal.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein shadow
As every frame image in image data to be transmitted is divided into multiple images block by transmitting terminal, wherein wrapped in each image block
The picture point of different colours is included, and, each image block is the matrix-block of n*n, including：
Image data to be transmitted is divided into multiple image by image transmitting terminal as unit of frame；
Image transmitting terminal will be divided into multiple matrix form image blocks per frame image, wherein include not in each image block
With the picture point of color；
Each image block is divided into the matrix-block of n*n by image transmitting terminal, wherein the numberical range of n is positive integer；
Image transmitting terminal extracts the corresponding color of each matrix form image picture point in the block；
When the type of the color of matrix form image picture point in the block is one, image transmitting terminal adjusts matrix form image block
Length and width so that the type of the color of matrix form image picture point in the block is at least two kinds.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides second of first aspect
Possible embodiment, wherein the size of the image transmitting terminal pixel of more current volume of transmitted data and image block frame by frame, packet
It includes：
Image transmitting terminal calculates volume of transmitted data of the transmission medium within the unit interval；
Image transmitting terminal calculates the size of the pixel of each matrix form image block；
The size of image the transmitting terminal pixel and volume of transmitted data of more each matrix form image block one by one.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides the third of first aspect
Possible embodiment, wherein method further includes：
When the minimum number of species of the color of matrix form image picture point in the block are identical, image transmitting terminal is number of species
Identical matrix form image block setting declines weights；
Image transmitting terminal counts the number of the identical matrix form image block of number of species；
Image transmitting terminal is set as the inverse of number by weights are declined；
The identical matrix form image block of number of species is chosen, image transmitting terminal reduces the matrix form image block selected respectively
Pixel, until reduction amount and decline weights sum be equal to difference until.
The third possible embodiment with reference to first aspect, an embodiment of the present invention provides the 4th kind of first aspect
Possible embodiment, wherein method further includes：
When reduction amount, which reaches, reduces threshold value, image transmitting terminal compares the size of difference and reduction amount；
When difference is more than reduction amount, image transmitting terminal chooses matrix form image corresponding with pre-set background image
Block；
Image transmitting terminal reduces the pixel of the corresponding matrix form image block of pre-set background image, and, get the back of the body
Scape reduction amount；
When reduction amount and background reduction amount and with difference equal in magnitude, image transmitting terminal preserves and background reduction amount
The corresponding matrix form image block of background image of the pixel to match.
The third possible embodiment with reference to first aspect, an embodiment of the present invention provides the 5th kind of first aspect
Possible embodiment, wherein method further includes：
When resolution value is more than or equal to foreground resolution value based on the result of the comparison, image transmitting terminal is by image
Data are set as the image data not transmitted；
When main body resolution value is more than or equal to background resolution value, image data is set as not passing by image transmitting terminal
Defeated image data.
With reference to first aspect, an embodiment of the present invention provides the 6th kind of possible embodiments of first aspect, wherein shadow
As the transmission medium between receiving terminal and image transmitting terminal includes one kind in cable or electronic circuit.
Second aspect, an embodiment of the present invention provides imaged image transmitting devices, including：
Volume of transmitted data detection module, for when receiving image transmission request triggering, image transmitting terminal to detect in real time
The volume of transmitted data for the transmission medium being attached thereto；
Image data transfers module, is transferred from the data storage end with imaged image transmission triggering relatively for image transmitting terminal
The image data answered；
Resolution value extraction module extracts foreground resolution value, the main body point of image data for image transmitting terminal respectively
Resolution value and background resolution value；
Resolution value comparison module compares foreground resolution value, main body resolution value and background point for image transmitting terminal
The size of resolution value；
Transmit setting module, for based on the result of the comparison resolution value be more than foreground resolution value, and, main body point
When resolution value is more than background resolution value, image transmitting terminal sets image data to image data to be transmitted；
Every frame image in image data to be transmitted is divided into multiple by image block division module for image transmitting terminal
Image block, wherein include the picture point of different colours in each image block, and, each image block is the matrix-block of n*n；
Pixel comparison module, for the big of the image transmitting terminal pixel of more current volume of transmitted data and image block frame by frame
It is small；
Difference calculating module is used for when volume of transmitted data is less than the size of pixel, and image transmitting terminal calculates data transmission
Difference between amount and pixel；
Color comparison module, the type of the picture point for color included in the more each image block of image transmitting terminal
How much；
Pixel reduces module, and the minimum image block of the type to get colors for image transmitting terminal reduces the figure selected
As the pixel of block, and, calculate the reduction amount of the pixel of image block；
Residual quantity comparison module compares the size of reduction amount and difference for image transmitting terminal；
Image block preserving module, for when reduction amount and difference it is equal in magnitude when, image transmitting terminal preserves and reduction amount
The image block of the pixel to match；
Image block update module, the image for being updated to preserve by the minimum image block of the type of color for image transmitting terminal
Block；
The image block of not updated image block and preservation is put into transmission medium by transmission module for image transmitting terminal
In be transmitted.
The third aspect, the embodiment of the present invention also provide a kind of terminal, including memory and processor, and memory is for depositing
Storage supports processor to execute the program for the imaged image transmission method that above-mentioned aspect provides, and processor is configurable for executing and deposit
The program stored in reservoir.
Fourth aspect, the embodiment of the present invention also provide a kind of computer readable storage medium, computer readable storage medium
On be stored with computer program, when computer program is run by processor execute any of the above-described method the step of.
Imaged image transmission method and device provided in an embodiment of the present invention, wherein the imaged image transmission method includes：
When receiving image transmission request triggering, image transmitting terminal detects the volume of transmitted data for the transmission medium being attached thereto in real time,
Image transmitting terminal transfers image data corresponding with imaged image transmission triggering from the data storage end, and image transmitting terminal carries respectively
Foreground resolution value, main body resolution value and the background resolution value of image data, image transmitting terminal is taken to compare foreground resolution
Value, the size of main body resolution value and background resolution value, resolution value is more than foreground resolution based on the result of the comparison
Value, also, main body resolution value be more than background resolution value when, image transmitting terminal sets image data to image to be transmitted
Every frame image in image data to be transmitted is divided into multiple images block by data, image transmitting terminal, wherein each image block
In include the picture points of different colours, also, each image block is the matrix-block of n*n, and image transmitting terminal is relatively more current frame by frame
Volume of transmitted data and image block pixel size, when volume of transmitted data be less than pixel size when, image transmitting terminal calculate
Difference between volume of transmitted data and pixel, the type of the picture point of included color in the more each image block of image transmitting terminal
Number, the minimum image block of type that image transmitting terminal gets colors reduces the pixel of the image block selected, also, counts
The reduction amount of the pixel of image block is calculated, image transmitting terminal compares the size of reduction amount and difference, when the size of reduction amount and difference
When equal, image transmitting terminal preserves the image block of the pixel to match with reduction amount, and image transmitting terminal is minimum by the type of color
Image block be updated to the image block preserved, not updated image block and the image block of preservation be put into biography by image transmitting terminal
It is transmitted in defeated medium, by above-mentioned processing procedure, realizes the processing of the resolution ratio to image data to be transmitted, and lead to
The volume of transmitted data for crossing detection transmission medium, realizes of the volume of transmitted data of image data and transmission medium to be transmitted
Match, under the premise of ensureing viewing quality, realize matching transmission of the imaged image in transmission medium, easily and effectively.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 shows the flow chart for the imaged image transmission method that the embodiment of the present invention is provided；
Fig. 2 shows the connection figures for the imaged image transmitting device that the embodiment of the present invention is provided；
Fig. 3 shows the structural framing figure for the imaged image transmitting device that the embodiment of the present invention is provided；
Fig. 4 shows the structure connection figure for the imaged image transmitting device that the embodiment of the present invention is provided.
Icon：1- volume of transmitted data detection modules；2- image datas transfer module；3- resolution value extraction modules；4- points
Resolution value comparison module；5- transmits setting module；6- image block division modules；7- pixel comparison modules；8- difference calculating modules；
9- color comparison modules；10- pixels reduce module；11- residual quantity comparison modules；12- image block preserving modules；13- image blocks are more
New module；14- transmission modules.
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
Currently, in transmission process, the imaged image data of above-mentioned diversified forms need by transmission medium (for example, cable,
Electronic circuit etc.) it is propagated.Since the specification of transmission medium is relatively more fixed, can not flexibly be adjusted after installation is completed
It is whole.Therefore, imaged image data inevitably will appear obstruction in transmission process, i.e. the imaged image data of current transmission are excessive,
And the volume of transmitted data of matched transmission medium is too small etc., to cause imaged image data to occur in transmission process
The phenomenon that congestion, even packet loss, and then cause image demonstration apparatus imperfect after receiving above-mentioned imaged image data, into
And above-mentioned imaged image data can not be played by leading to not the image for watching complete display or even image demonstration apparatus, study carefully it
The reason is that, imaged image data can not be effectively matched in transmission process with transmission medium.
Based on this, an embodiment of the present invention provides imaged image transmission method and devices, are retouched below by embodiment
It states.
Embodiment 1
Referring to Fig. 1, Fig. 2 and Fig. 3, the imaged image transmission method that the present embodiment proposes specifically includes following steps：
Step S101：When receiving image transmission request triggering, image transmitting terminal detects the transmission being attached thereto in real time
The volume of transmitted data of medium is provided with transmission medium, i.e. image in implementation process between image transmitting terminal and image receiving terminal
Image is transmitted by transmission medium, and the trigger condition of transmission is that the image transmission request that user terminal is sent out triggers (for example, pressing
Key triggering, point touch-control etc.), in the present embodiment, the transmission medium between image receiving terminal and image transmitting terminal includes cable
Or one kind in electronic circuit, cable usually apply to the transmission of relatively remote and larger capacity imaged image, electric wire
Road usually applies to the transmission of closer distance and the imaged image compared with low capacity.
Step S102：Image transmitting terminal transfers image number corresponding with imaged image transmission triggering from the data storage end
According to when receiving the image transmission request triggering that user terminal is sent out, image transmitting terminal transfers corresponding image data first.
Step S103：Image transmitting terminal extracts foreground resolution value, main body resolution value and the background of image data respectively
Resolution value, since image data is divided into foreground, main body and background, therefore, in order to effectively identify the important of image data
Property, in the present embodiment, foreground resolution value, main body resolution value and the background resolution value of image data are extracted respectively.
Step S104：Image transmitting terminal compares foreground resolution value, the size of main body resolution value and background resolution value,
I.e. by comparing foreground resolution value, main body resolution value and background resolution value, where partly accounting for for the image data judged
Proportion it is bigger.
Step S105：Resolution value is more than foreground resolution value, also, main body resolution value based on the result of the comparison
When more than background resolution value, image transmitting terminal sets image data to image data to be transmitted, based on comparison result
When body resolution value is more than foreground resolution value and background resolution value, illustrate the resolution that the main part of the image data occupies
Rate value is larger, and then it is important to be inferred to the image data.
Step S106：Every frame image in image data to be transmitted is divided into multiple images block by image transmitting terminal, will
The purpose that multiple images block is divided into per frame image is the composition for more refined image, needs exist for illustrating,
The picture point for including different colours in each image block, can be more fine by the acquisition of the picture point of different colours in image block
The feature for considering image data to be transmitted, also, each image block is the matrix-block of n*n, i.e., each image block is
Square, convenient for calculating.
Step S107：The size of the image transmitting terminal pixel of more current volume of transmitted data and image block frame by frame, in order to
It detects whether image data to be transmitted matches with the volume of transmitted data of current transmission medium, can effectively avoid volume of transmitted data
When too small and the image block to be transmitted pixel is too small, the phenomenon that the image lost block of appearance.
Step S108：When volume of transmitted data is less than the size of pixel, image transmitting terminal calculates volume of transmitted data and pixel
Between difference illustrate that current transmission medium is insufficient to supply image block when volume of transmitted data is less than the size of pixel
Transmission, in the present embodiment, needs the pixel size of further reduction image block.
Step S109：In the more each image block of image transmitting terminal the type of the picture point of included color number,
In this case, the type of the picture point of color included in the more each image block of image transmitting terminal number, that is, compare and work as
The importance of each image block in preceding image data.
Step S110：The minimum image block of type that image transmitting terminal gets colors, that is, select most unessential image
Block carries out the reduction of resolution ratio, so as to effectively keep the integrality of former image data, specifically, reducing the image selected
The pixel of block, also, calculate the reduction amount of the pixel of image block.
Step S111：Image transmitting terminal compares the size of reduction amount and difference, when the reduction operation for carrying out above-mentioned resolution ratio
Afterwards, the size for comparing reduction amount and difference, to avoid the reduction of unnecessary more resolution ratio is carried out to image block.
Step S112：When reduction amount and difference it is equal in magnitude when, at this point, image data to be transmitted is situated between with current transmission
The volume of transmitted data of matter just matches, and image transmitting terminal preserves the image block of the pixel to match with reduction amount.
Step S113：Image transmitting terminal by the minimum image block of the type of color be updated to preserve image block, i.e., with
The image block for the pixel that reduction amount matches replaces original image block.
Step S114：Image transmitting terminal by not updated image block and the image block of preservation be put into transmission medium into
Entire image data is sent into transmission medium and is transmitted by row transmission.
Every frame image in image data to be transmitted is divided into multiple images block by above-mentioned steps image transmitting terminal,
In, the picture point of different colours is included in each image block, and, each image block is the matrix-block of n*n, including：
Step S1021：Image data to be transmitted is divided into multiple image by image transmitting terminal as unit of frame, due to waiting for
The data volume of the image data of transmission is bigger, and is continuous dynamic.Therefore, it is divided into multiframe figure as unit of frame
Picture.
Step S1022：Image transmitting terminal will be divided into multiple matrix form image blocks per frame image, need to illustrate
It is to include the picture point of different colours in each image block, the principle for dividing image block in this way is to ensure in each image block extremely
Include less 2 kinds of different colors, to be distinguished with simple color background.
Step S1023：Each image block is divided into the matrix-block of n*n by image transmitting terminal, in the present embodiment, the number of n
Value ranging from positive integer, it is preferred that the value of n is 4, and it is succinct convenient to calculate.
Step S1024：Image transmitting terminal extracts the corresponding color of each matrix form image picture point in the block, to check image
The type of color in the block.
Step S1025：When the type of the color of matrix form image picture point in the block is one, image transmitting terminal adjusts square
The length and width of configuration image block, so that the type of the color of matrix form image picture point in the block is at least two kinds.
The size of the above-mentioned steps image transmitting terminal pixel of more current volume of transmitted data and image block frame by frame is specific to wrap
It includes：
Step S1031：Image transmitting terminal calculates volume of transmitted data of the transmission medium within the unit interval, i.e., is passed by calculating
Volume of transmitted data in the unit interval of defeated medium weighs the load of transmission medium, especially in network transmission process, together
One transmission medium can be influenced by different network environments, therefore, calculate the prison that volume of transmitted data can be more vivid in real time
Measure the volume of transmitted data of transmission medium.
Step S1032：Image transmitting terminal calculates the size of the pixel of each matrix form image block, passes through each image block
The size of pixel calculates to judge the size of image data.
Step S1033：The size of image the transmitting terminal pixel and volume of transmitted data of more each matrix form image block one by one,
By uniformly comparing for the size with volume of transmitted data, the sizes values of the pixel of matrix form image block can be compared.
In addition, imaged image transmission method further includes：
(1) when the minimum number of species of the color of matrix form image picture point in the block are identical, image transmitting terminal is type
Quantity identical matrix form image block setting declines weights, in specific implementation process, usually decline the size settings of weights with
The number of the identical matrix form image block of number of species is related.
(2) number of the identical matrix form image block of image transmitting terminal statistics number of species, i.e., the sum of this kind image block.
(3) image transmitting terminal sets decline weights to the inverse of number, for example, when sum is five, declines weights and sets
It is set to 1/5th, i.e., 20%.
(4) the identical matrix form image block of number of species is chosen, image transmitting terminal reduces the matrix form figure selected respectively
As the pixel of block, until the sum of reduction amount and decline weights is equal to difference.
In addition, imaged image transmission method further includes：
(1) in order to effectively avoid the resolution value of image block too low the case where causing image that can not use from occurring, work as reduction
When amount reaches reduction threshold value, image transmitting terminal compares the size of difference and reduction amount.
(2) when difference is more than reduction amount, image transmitting terminal chooses matrix form corresponding with pre-set background image
Image block, in this case, the resolution value of image data decline excessively, still cannot be satisfied use condition, therefore, image hair
Sending end chooses matrix form image block corresponding with pre-set background image.
(3) image transmitting terminal reduces the pixel of the corresponding matrix form image block of pre-set background image, also, obtains
To its background reduction amount.Meet the requirement of transmission by the reduction of the resolution value of background image.
(4) when reduction amount and background reduction amount and with difference equal in magnitude, image transmitting terminal is preserved to drop with background
The corresponding matrix form image block of background image for the pixel that low amounts matches, to realize that the matching of imaged image is sent.
In addition, imaged image transmission method further includes：
(1) when resolution value is more than or equal to foreground resolution value based on the result of the comparison, image transmitting terminal will
Image data is set as the image data not transmitted, i.e. the main body resolution value by comparing discovery image data is smaller, explanation
The importance of the image data is poor.
(2) when main body resolution value is more than or equal to background resolution value, image transmitting terminal sets image data to
The image data not transmitted.I.e. by comparing finding that the main body resolution value of image data is smaller, illustrate the weight of the image data
The property wanted is poor.In the case of above-mentioned (1) and (2), image data that image data is set as not transmitting.Abandon the frame shadow
As the transmission of data.
In conclusion imaged image transmission method provided in this embodiment includes：It is triggered when receiving image transmission request
When, image transmitting terminal detects the volume of transmitted data for the transmission medium being attached thereto in real time, and image transmitting terminal is from the data storage end tune
Image data corresponding with imaged image transmission triggering, image transmitting terminal is taken to extract the foreground resolution of image data respectively
Value, main body resolution value and background resolution value, image transmitting terminal compare foreground resolution value, main body resolution value and background point
The size of resolution value, resolution value is more than foreground resolution value based on the result of the comparison, also, main body resolution value is more than
When background resolution value, image transmitting terminal sets image data to image data to be transmitted, and image transmitting terminal will be to be transmitted
Image data in every frame image be divided into multiple images block, need exist for illustrating, be wrapped in each image block
Include the picture point of different colours, also, each image block is the matrix-block of n*n, image transmitting terminal more current data frame by frame
The size of the pixel of transmission quantity and image block, when volume of transmitted data is less than the size of pixel, image transmitting terminal calculates data and passes
Difference between throughput rate and pixel, the type of the picture point of included color is more in the more each image block of image transmitting terminal
Lack, the minimum image block of the type that image transmitting terminal gets colors reduces the pixel of the image block selected, also, calculates figure
As the reduction amount of the pixel of block, image transmitting terminal compares the size of reduction amount and difference, equal in magnitude when reduction amount and difference
When, image transmitting terminal preserves the image block of the pixel to match with reduction amount, and image transmitting terminal is by the minimum figure of the type of color
As block is updated to the image block preserved, not updated image block and the image block of preservation are put into transmission and are situated between by image transmitting terminal
It is transmitted in matter.By above-mentioned processing procedure, the processing of the resolution ratio to image data to be transmitted is realized, and passes through inspection
The volume of transmitted data for surveying transmission medium, realizes the matching of the volume of transmitted data of image data and transmission medium to be transmitted, from
And under the premise of ensureing viewing quality, matching transmission of the imaged image in transmission medium is realized, easily and effectively.
Embodiment 2
Referring to Fig. 4, present embodiments providing imaged image transmitting device includes：Volume of transmitted data detection module 1, for working as
When receiving image transmission request triggering, image transmitting terminal detects the volume of transmitted data for the transmission medium being attached thereto in real time；Shadow
As data transfer module 2, image corresponding with imaged image transmission triggering is transferred from the data storage end for image transmitting terminal
Data；Resolution value extraction module 3 extracts the foreground resolution value of image data respectively for image transmitting terminal, main body is differentiated
Rate value and background resolution value；Resolution value comparison module 4 compares foreground resolution value for image transmitting terminal, main body is differentiated
The size of rate value and background resolution value；Transmit setting module 5, for based on the result of the comparison resolution value be more than foreground
Resolution value, and, when main body resolution value is more than background resolution value, image data is set as to be transmitted by image transmitting terminal
Image data；Every frame image in image data to be transmitted is divided into more by image block division module 6 for image transmitting terminal
A image block, wherein include the picture point of different colours in each image block, and, each image block is the matrix-block of n*n；
Pixel comparison module 7, the size for the image transmitting terminal pixel of more current volume of transmitted data and image block frame by frame；Difference
Computing module 8 is used for when volume of transmitted data is less than the size of pixel, and image transmitting terminal calculates between volume of transmitted data and pixel
Difference；Color comparison module 9, the type of the picture point for color included in the more each image block of image transmitting terminal
How much；Pixel reduces module 10, and the minimum image block of the type to get colors for image transmitting terminal reduces the image selected
The pixel of block, and, calculate the reduction amount of the pixel of image block；Residual quantity comparison module 11 compares reduction amount for image transmitting terminal
With the size of difference；Image block preserving module 12, for when reduction amount and difference it is equal in magnitude when, image transmitting terminal preserve with
The image block for the pixel that reduction amount matches；Image block update module 13, for image transmitting terminal that the type of color is minimum
Image block is updated to the image block preserved；Transmission module 14 is used for image transmitting terminal by not updated image block and preservation
Image block is put into transmission medium and is transmitted.
Imaged image transmitting device provided in an embodiment of the present invention, the imaged image transmission method provided with above-described embodiment
Technical characteristic having the same reaches identical technique effect so can also solve identical technical problem.
The embodiment of the present invention additionally provides a kind of terminal, including memory and processor, and memory is supported for storing
Processor executes the program of above-described embodiment method, and processor is configurable for executing the program stored in memory.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, when computer program is run by processor the step of the method for execution any of the above-described.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment weight
Point explanation is all difference from other examples, and the same or similar parts between the embodiments can be referred to each other.
The imaged image transmission method and device that the embodiment of the present invention is provided, the technique effect and aforementioned side of realization principle and generation
Method embodiment is identical, and to briefly describe, device embodiment part does not refer to place, can refer in corresponding in preceding method embodiment
Hold.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, the flow chart in attached drawing and block diagram
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part for the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that at some as in the realization method replaced, the function of being marked in box can also be to be different from
The sequence marked in attached drawing occurs.For example, two continuous boxes can essentially be basically executed in parallel, they are sometimes
It can execute in the opposite order, this is depended on the functions involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use function or the dedicated base of action as defined in executing
It realizes, or can be realized using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each function module or unit in each embodiment of the present invention can integrate and to form an independence
Part, can also be modules individualism, can also two or more modules be integrated to form an independent portion
Point.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme 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 expressed 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
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-OnlyMemory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
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, can not be interpreted as indicating or implying relative importance.Moreover, term " packet
Include ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that including the mistake of a series of elements
Journey, method, article or equipment include not only those elements, but also include other elements that are not explicitly listed, either
Further include for elements inherent to such a process, method, article, or device.In the absence of more restrictions, by sentence
The element that "including a ..." limits, it is not excluded that also deposit in the process, method, article or apparatus that includes the element
In other identical element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
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, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. imaged image transmission method, which is characterized in that including：
When receiving image transmission request triggering, image transmitting terminal detects the data transmission for the transmission medium being attached thereto in real time
Amount；
The image transmitting terminal transfers image data corresponding with imaged image transmission triggering from the data storage end；
The image transmitting terminal extracts foreground resolution value, main body resolution value and the background resolution ratio of the image data respectively
Value；
The image transmitting terminal foreground resolution value, the main body resolution value and the background resolution value it is big
It is small；
When result of the comparison be the main body resolution value be more than the foreground resolution value, and, the main body resolution value is big
When the background resolution value, the image transmitting terminal sets the image data to image data to be transmitted；
Every frame image in the image data to be transmitted is divided into multiple images block by the image transmitting terminal, wherein every
Include the picture point of different colours in a described image block, and, each described image block is the matrix-block of n*n；
The size of the image transmitting terminal pixel of the more current volume of transmitted data and described image block frame by frame；
When the volume of transmitted data is less than the size of the pixel, the image transmitting terminal calculates the volume of transmitted data and institute
State the difference between pixel；
In the more each described image block of image transmitting terminal the type of the picture point of included color number；
The minimum described image block of type that the image transmitting terminal chooses the color, reduces the described image block selected
Pixel, and, calculate the reduction amount of the pixel of described image block；
The size of image the transmitting terminal reduction amount and the difference；
When the reduction amount and the difference it is equal in magnitude when, the image transmitting terminal, which is preserved, to match with the reduction amount
The described image block of pixel；
The minimum image block of the type of the color is updated to the image block of the preservation by the image transmitting terminal；
The image block of not updated described image block and the preservation is put into the transmission medium by the image transmitting terminal
In be transmitted.
2. imaged image transmission method according to claim 1, which is characterized in that the image transmitting terminal will be described to be passed
Every frame image in defeated image data is divided into multiple images block, wherein includes different colours in each described image block
Picture point, and, each described image block is the matrix-block of n*n, including：
The image data to be transmitted is divided into multiple image by the image transmitting terminal as unit of frame；
The image transmitting terminal will be divided into multiple matrix form image blocks per frame described image, wherein in each described image block
Include the picture point of different colours；
Each described image block is divided into the matrix-block of n*n by the image transmitting terminal, wherein the numberical range of n is positive integer；
The image transmitting terminal extracts the corresponding color of each matrix form image picture point in the block；
When the type of the color of the matrix form image picture point in the block is one, the image transmitting terminal adjusts the matrix
The length and width of formula image block, so that the type of the color of the matrix form image picture point in the block is at least two kinds.
3. imaged image transmission method according to claim 2, which is characterized in that the image transmitting terminal compares frame by frame works as
The size of the pixel of the preceding volume of transmitted data and described image block, including：
The image transmitting terminal calculates volume of transmitted data of the transmission medium within the unit interval；
The image transmitting terminal calculates the size of the pixel of each matrix form image block；
The image transmitting terminal compares the size of the pixel and the volume of transmitted data of each matrix form image block one by one.
4. imaged image transmission method according to claim 2, which is characterized in that the method further includes：
When the minimum number of species of the color of the matrix form image picture point in the block are identical, the image transmitting terminal is described
The identical matrix form image block setting of number of species declines weights；
The image transmitting terminal counts the number of the identical matrix form image block of the number of species；
The image transmitting terminal sets the decline weights to the inverse of the number；
Choose the identical matrix form image block of the number of species, the image transmitting terminal reduce respectively select it is described
The pixel of matrix form image block, until the sum of the reduction amount and decline weights is equal to the difference.
5. imaged image transmission method according to claim 4, which is characterized in that the method further includes：
When the reduction amount, which reaches, reduces threshold value, the size of image the transmitting terminal difference and the reduction amount；
When the difference is more than the reduction amount, the image transmitting terminal chooses institute corresponding with pre-set background image
State matrix form image block；
The image transmitting terminal reduces the pixel of the corresponding matrix form image block of the pre-set background image, and, it obtains
To background reduction amount；
When the reduction amount and the background reduction amount and with the difference equal in magnitude, the image transmitting terminal preserves
Matrix form image block corresponding with the background image of pixel that the background reduction amount matches.
6. imaged image transmission method according to claim 4, which is characterized in that the method further includes：
When result of the comparison is that the main body resolution value is more than or equal to the foreground resolution value, the image is sent
End sets the image data to the image data not transmitted；
When the main body resolution value is more than or equal to the background resolution value, the image transmitting terminal is by the image number
According to the image data for being set as not transmitting.
7. imaged image transmission method according to claim 1, which is characterized in that image receiving terminal is sent with the image
The transmission medium between end includes one kind in cable or electronic circuit.
8. imaged image transmitting device, which is characterized in that including：
Volume of transmitted data detection module, for when receiving image transmission request triggering, the detection in real time of image transmitting terminal to be therewith
The volume of transmitted data of connected transmission medium；
Image data transfers module, transfers to transmit with the imaged image from the data storage end for the image transmitting terminal and trigger
Corresponding image data；
Resolution value extraction module extracts foreground resolution value, the master of the image data for the image transmitting terminal respectively
Body resolution value and background resolution value；
Resolution value comparison module, for the image transmitting terminal foreground resolution value, the main body resolution value
With the size of the background resolution value；
Setting module is transmitted, for being more than the foreground resolution value when result of the comparison for the main body resolution value, and, institute
When stating main body resolution value more than the background resolution value, the image data is set as to be transmitted by the image transmitting terminal
Image data；
Every frame image in the image data to be transmitted is divided by image block division module for the image transmitting terminal
Multiple images block, wherein include the picture point of different colours in each described image block, and, each described image block is n*n
Matrix-block；
Pixel comparison module, for the image transmitting terminal more current volume of transmitted data and described image block frame by frame
The size of pixel；
Difference calculating module is used for when the volume of transmitted data is less than the size of the pixel, and the image transmitting terminal calculates
Difference between the volume of transmitted data and the pixel；
Color comparison module, the kind of the picture point for color included in the more each described image block of the image transmitting terminal
The number of class；
Pixel reduces module, and the minimum described image block of the type for choosing the color for the image transmitting terminal reduces choosing
The pixel of the described image block of taking-up, and, calculate the reduction amount of the pixel of described image block；
Residual quantity comparison module is used for the size of the image transmitting terminal reduction amount and the difference；
Image block preserving module, for when the reduction amount and the difference it is equal in magnitude when, the image transmitting terminal preserves
The described image block of the pixel to match with the reduction amount；
The minimum image block of the type of the color is updated to the guarantor by image block update module for the image transmitting terminal
The image block deposited；
The image block of not updated described image block and the preservation is put by transmission module for the image transmitting terminal
It is transmitted in the transmission medium.
9. a kind of terminal, which is characterized in that including memory and processor, the memory supports processor to hold for storing
The program of any one of row claim 1 to 7 the method, the processor are configurable for executing and be stored in the memory
Program.
10. a kind of computer readable storage medium, it is stored with computer program on computer readable storage medium, feature exists
In when computer program is run by processor the step of any one of execution the claims 1 to 7 the method.
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| CN201810218305.8A CN108366245B (en) | 2018-03-16 | 2018-03-16 | Image transmission method and device |
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|---|---|---|---|
| CN201810218305.8A CN108366245B (en) | 2018-03-16 | 2018-03-16 | Image transmission method and device |
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| CN108366245B CN108366245B (en) | 2020-09-11 |
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