CN107566733A - A kind of picture transmission method and system - Google Patents
A kind of picture transmission method and system Download PDFInfo
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- CN107566733A CN107566733A CN201710909295.8A CN201710909295A CN107566733A CN 107566733 A CN107566733 A CN 107566733A CN 201710909295 A CN201710909295 A CN 201710909295A CN 107566733 A CN107566733 A CN 107566733A
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Abstract
The invention discloses a kind of picture transmission method, including：Camera terminal obtains original image, and each original image is divided into N number of block of pixels；The camera terminal is compressed according to the compression index pre-set to each block of pixels, obtains packed pixel block；Each packed pixel block is combined into compressed picture by the camera terminal, and each compressed picture is sent into display terminal；The display terminal is decompressed each compressed picture according to default control parameter, so as to generate uncompressed picture；The display terminal carries out picture enhancing technical finesse to each uncompressed picture, so as to generate high definition picture.The invention also discloses a kind of image transmission system.Using embodiments of the invention, it is possible to increase picture transfer efficiency and high definition display picture.
Description
Technical field
The present invention relates to technical field of image processing, more particularly to a kind of picture transmission method and system.
Background technology
Due to the rapid development of mobile communication technology, and the matchmaker that the popularization of 4G networks, short message, multimedia message and mail etc. is traditional
Body interactive mode can not meet expressing needed for user mutual gradually, present terminal be more with voice, video,
The forms such as picture realize the interaction of user, greatly improve the experience of user and the viscosity of product.So in a mobile network such as
It is a master for needing to solve in current mobile network's technology that what, which faster transmits picture file, provides the user preferably experience,
Want problem.In existing picture transmission method, original image is typically directly sent to display terminal from camera terminal, once
When needing the picture number that transmits excessive, the way so directly transmitted can cause transmission speed slow, substantial amounts of so as to waste
Time, in addition, directly transmitting the pixel that a large amount of image datas are easily destroyed picture script.It would therefore be highly desirable to one kind can improve figure
Piece efficiency of transmission and high definition show the picture transmission method of picture to solve the above problems.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of picture transmission method and system, it is possible to increase picture transfer efficiency is simultaneously
And high definition shows picture.
To achieve these goals, the embodiment of the present invention provides a kind of picture transmission method, including step：
S11, camera terminal obtain original image, and each original image are divided into N number of block of pixels, and N is integer,
And N is more than 0；
S12, the camera terminal are compressed according to the compression index pre-set to each block of pixels, are pressed
Contracting block of pixels；The compression index includes resolution ratio and pixel；
Each packed pixel block is combined into compressed picture by S13, the camera terminal, and each compression is schemed
Piece is sent to display terminal；
S14, the display terminal are decompressed each compressed picture according to default control parameter, so as to raw
Into uncompressed picture；The control parameter includes resolution ratio and pixel；
S15, the display terminal carry out picture enhancing technical finesse to each uncompressed picture, so as to generate high definition
Picture.
As the improvement of such scheme, block of pixels described in the step S11 it is in the same size and two neighboring each
There is the row to overlap each other to proofread pixel between the block of pixels.
As the improvement of such scheme, the step S12 also includes：The camera terminal is by each packed pixel block
In check and correction pixel compared with the compression index, when it is described check and correction pixel do not meet the compression index when, to the pressure
Contracting block of pixels carries out pixel alignment.
As the improvement of such scheme, the pixel alignment specifically includes：Refer to when the check and correction pixel is more than the compression
Timestamp, second compression again is carried out to the packed pixel block, until the check and correction pixel is equal to the compression index；When the check and correction
When pixel is less than the compression index, pixel compensation is carried out to the packed pixel block, until the check and correction pixel is equal to described
Compression index.
As the improvement of such scheme, the enhancing of picture described in step S15 technology specifically includes：
S151, each uncompressed picture is normalized, generation normalization picture；
S152, histogram equalization is carried out to the normalization picture, stretch the image pixel intensities of the normalization picture
Distribution come strengthen it is described normalization picture contrast, so as to generate equalization picture；
S153, the change for reducing picture gray scale using mean filter to the equalization picture, so as to generate the high definition
Picture.
Compared with prior art, picture transmission method disclosed in the embodiment of the present invention by camera terminal to the original graph
Piece is compressed, and the picture after compression is sent into display terminal and decompressed, then by the display terminal by described in
Uncompressed picture carries out picture enhancing technical finesse and obtains high definition picture, and solving directly transmission picture in the prior art causes to pass
Defeated speed slowly and picture can not high definition display the problem of, it is possible to increase picture transfer efficiency and high definition display picture；In addition,
The original image is divided into multiple block of pixels, then is compressed for each block of pixels, without by the original graph
Piece directly compresses as an entirety, can improve the compression quality of overall picture.
To achieve the above object, the embodiment of the present invention also provides a kind of image transmission system, including camera terminal and display
Terminal；The camera terminal includes cutting unit, compression unit and transmitting element, and the display terminal includes receiving unit, solution
Compression unit and high definition display unit；
The cutting unit is used to obtain original image, and each original image is divided into N number of block of pixels, and N is
Integer, and N is more than 0；
The compression unit is used to be compressed each block of pixels according to the compression index pre-set, is pressed
Contracting block of pixels；The compression index includes resolution ratio and pixel；
The transmitting element is used to each packed pixel block being combined into compressed picture, and each compression is schemed
Piece is sent to the display terminal；
The receiving unit is used to receive each compressed picture that the transmitting element is sent；
The decompression unit is used to decompress each compressed picture, so as to obtain uncompressed picture；
The high definition display unit carries out picture enhancing technology to each uncompressed picture, so as to generate high definition figure
Piece.
As the improvement of such scheme, each block of pixels in the same size and two neighboring of the block of pixels it
Between there is the row that overlaps each other to proofread pixel.
As the improvement of such scheme, the compression unit is additionally operable to the check and correction pixel in each packed pixel block
Compare with the compression index, when the check and correction pixel does not meet the compression index, the packed pixel block is carried out
Pixel alignment.
As the improvement of such scheme, the pixel alignment specifically includes：Refer to when the check and correction pixel is more than the compression
Timestamp, second compression again is carried out to the packed pixel block, until the check and correction pixel is equal to the compression index；When the check and correction
When pixel is less than the compression index, pixel compensation is carried out to the packed pixel block, until the check and correction pixel is equal to described
Compression index.
As the improvement of such scheme, the enhancing technical finesse of picture described in the high definition display unit specifically includes：It is right
Each uncompressed picture is normalized, generation normalization picture；It is equal that column hisgram is entered to the normalization picture
Weighing apparatusization, stretch it is described normalization picture image pixel intensities distribution come strengthen it is described normalization picture contrast, so as to
Generation equalization picture；Reduce the change of picture gray scale using mean filter to the equalization picture, so as to generate the height
Clear picture.
Compared with prior art, picture transmission method disclosed in the embodiment of the present invention will be by original image by compression unit
The block of pixels being divided into is compressed, so as to generate packed pixel block, and will be by the packed pixel block group by transmitting element
The compressed picture of synthesis is sent to display terminal and decompressed, and so as to obtain uncompressed picture, then is shown by the high definition
The uncompressed picture is carried out picture enhancing technical finesse and obtains high definition picture by unit, solves in the prior art directly transmission
Picture causes transmission speed slowly and picture can not high definition the problem of showing, it is possible to increase picture transfer efficiency and high definition is shown
Picture；In addition, the original image is divided into multiple block of pixels, then it is compressed for each block of pixels, without inciting somebody to action
The original image directly compresses as an entirety, can improve the compression quality of overall picture.
Brief description of the drawings
Fig. 1 is a kind of flow chart of picture transmission method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of picture enhancing technology in a kind of picture transmission method provided in an embodiment of the present invention；
Fig. 3 is a kind of system block diagram of image transmission system provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of picture transmission method provided in an embodiment of the present invention；Including step：
S11, camera terminal obtain original image, and each original image are divided into N number of block of pixels, and N is integer,
And N is more than 0；
S12, the camera terminal are compressed according to the compression index pre-set to each block of pixels, are pressed
Contracting block of pixels；The compression index includes resolution ratio and pixel；
Each packed pixel block is combined into compressed picture by S13, the camera terminal, and each compression is schemed
Piece is sent to display terminal；
S14, the display terminal are decompressed each compressed picture according to default control parameter, so as to raw
Into uncompressed picture；The control parameter includes resolution ratio and pixel；
S15, the display terminal carry out picture enhancing technical finesse to each uncompressed picture, so as to generate high definition
Picture.
Preferably, each block of pixels in the same size and two neighboring of block of pixels described in the step S11 it
Between there is the row that overlaps each other to proofread pixel.
Preferably, the camera terminal opposes the check and correction pixel in each packed pixel block with the compression index
Than when the check and correction pixel does not meet the compression index, pixel alignment is carried out to the packed pixel block.
Preferably, the pixel alignment specifically includes：When the check and correction pixel is more than the compression index, to the pressure
Contracting block of pixels carries out second compression again, until the check and correction pixel is equal to the compression index；Described in being less than when the check and correction pixel
During compression index, pixel compensation is carried out to the packed pixel block, until the check and correction pixel is equal to the compression index.
Specifically, the camera terminal obtains original image, and each original image is divided into N number of block of pixels, N
For integer, and N is more than 0；Specifically, each block of pixels of each original image segmentation is in the same size and two neighboring
Each block of pixels between there is the row that overlaps each other to proofread pixel.
Specifically, the camera terminal is compressed to each block of pixels according to default compression index, advised
The packed pixel block of fixation element and resolution ratio；Now, the camera terminal is by the check and correction pixel in each packed pixel block
Compared with the compression index, when the check and correction pixel is more than the compression index, such as the picture when the check and correction pixel
When element is more than the pixel of the compression index, second compression again is carried out to the packed pixel block, until the picture of the check and correction pixel
Element is equal to the pixel of the compression index；When the check and correction pixel is less than the compression index, the packed pixel block is entered
Row pixel compensation, until the check and correction pixel is equal to the compression index.
Specifically, each packed pixel block is combined into compressed picture by the camera terminal, and by each pressure
Contract drawing piece is sent to display terminal.
Specifically, the display terminal decompresses to each compressed picture according to default control parameter, from
And obtain uncompressed picture.
Picture transmission method disclosed in the embodiment of the present invention is compressed by camera terminal to the original image, and will
Picture after compression is sent to display terminal and decompressed, and so as to the picture after being decompressed, solves in the prior art
The problem of directly transmission picture causes transmission speed slow, it is possible to increase picture transfer efficiency；In addition, the original image is divided
Multiple block of pixels are cut into, then are compressed for each block of pixels, without coming the original image as an entirety
Directly compress, the compression quality of overall picture can be improved.
Referring to Fig. 2, Fig. 2 is the flow of picture enhancing technology in a kind of picture transmission method provided in an embodiment of the present invention
Figure；Including：
S151, each uncompressed picture is normalized, generation normalization picture；
S152, histogram equalization is carried out to the normalization picture, stretch the image pixel intensities of the normalization picture
Distribution come strengthen it is described normalization picture contrast, so as to generate equalization picture；
S153, the change for reducing picture gray scale using mean filter to the equalization picture, so as to generate the high definition
Picture.
Specifically, each uncompressed picture is normalized the display terminal, so as to generate normalization
Picture, normalized allow the uncompressed picture to resist the attack of geometric transformation, and it can find out the decompression
Those invariants in picture, so as to learn that as these described uncompressed pictures scripts or one serial, enter
And can reduce the uncompressed picture due to light it is uneven caused by interference；The display terminal passes through histogram equalization again
Change, the grey level histogram of the normalization picture is become in whole tonal ranges from some gray scale interval for comparing concentration
It is uniformly distributed, Nonlinear extension is carried out to the normalization picture, image pixel value is redistributed, makes in certain tonal range
The distribution of the roughly the same stretched pixels intensity of pixel quantity come strengthen it is described normalization picture contrast, so as to generate
Weighing apparatusization picture；The display terminal reduces the change of picture gray scale to each equalization picture using mean filter again, from
And generate the high definition picture.
The uncompressed picture is carried out figure by picture transmission method disclosed in the embodiment of the present invention by the display terminal
Piece enhancing technical finesse obtains high definition picture, and solving directly transmission picture in the prior art causes asking for picture pixels reduction
Topic, being capable of high definition display picture.
Referring to Fig. 3, Fig. 3 is a kind of system block diagram of image transmission system provided in an embodiment of the present invention；Including shooting eventually
End 10 and display terminal 20；The camera terminal 10 includes cutting unit 101, compression unit 102 and transmitting element 103, described
Display terminal 20 includes receiving unit 201, decompression unit 202 and high definition display unit 303；
The cutting unit 101 is used to obtain original image, and each original image is divided into N number of block of pixels, N
For integer, and N is more than 0；
The compression unit 102 is used to be compressed each block of pixels according to the compression index pre-set, obtains
To packed pixel block；The compression index includes resolution ratio and pixel；
The transmitting element 103 is used to each packed pixel block being combined into compressed picture, and by each pressure
Contract drawing piece is sent to the display terminal 20；
The receiving unit 201 is used to receive each compressed picture that the transmitting element 103 is sent；
The decompression unit 202 is used to decompress each compressed picture, so as to obtain uncompressed picture；
The high definition display unit 203 carries out picture enhancing technology to each uncompressed picture, so as to generate high definition
Picture.
Preferably, the block of pixels is in the same size, and has between two neighboring each block of pixels and weigh each other
A folded row proofreads pixel.
Preferably, the compression unit 102 is additionally operable to the check and correction pixel in each packed pixel block and the pressure
Contracting index is compared, and when the check and correction pixel does not meet the compression index, pixel alignment is carried out to the packed pixel block.
Preferably, the pixel alignment specifically includes：When the check and correction pixel is more than the compression index, to the pressure
Contracting block of pixels carries out second compression again, until the check and correction pixel is equal to the compression index；Described in being less than when the check and correction pixel
During compression index, pixel compensation is carried out to the packed pixel block, until the check and correction pixel is equal to the compression index.
Preferably, the enhancing of picture described in the high definition display unit 203 technical finesse specifically includes：To each solution
Compressed picture is normalized, generation normalization picture；Histogram equalization is carried out to the normalization picture, stretches institute
State normalization picture image pixel intensities distribution come strengthen it is described normalization picture contrast, so as to generate equalization figure
Piece；Reduce the change of picture gray scale using mean filter to the equalization picture, so as to generate the high definition picture.
Specifically, the cutting unit 101 obtains original image, and each original image is divided into N number of pixel
Block, N is integer, and N is more than 0；Specifically, each block of pixels of each original image segmentation is in the same size and adjacent
There is the row to overlap each other to proofread pixel between each block of pixels of two.
Specifically, the compression unit 102 is compressed to each block of pixels according to default compression index, advised
The packed pixel block of fixation element and resolution ratio；Now, the compression unit 102 is by the check and correction picture in each packed pixel block
It is plain to be compared with the compression index, when the check and correction pixel is more than the compression index, such as when the check and correction pixel
When pixel is more than the pixel of the compression index, second compression again is carried out to the packed pixel block, until the check and correction pixel
Pixel is equal to greatly the pixel of the compression index；When the check and correction pixel is less than the compression index, to the packed pixel
Block carries out pixel compensation, until the check and correction pixel is equal to the compression index.
Specifically, each packed pixel block will be combined into compressed picture by the transmitting element 103, and by each institute
State compressed picture and be sent to display terminal.
Specifically, the receiving unit 201 receives each compressed picture that the transmitting element 103 is sent.
Specifically, the decompression unit 202 decompresses to each compressed picture according to default control parameter
Contracting, so as to obtain uncompressed picture.
Specifically, each uncompressed picture is normalized the high definition display unit 203, so as to generate
Picture is normalized, normalized allows the uncompressed picture to resist the attack of geometric transformation, and it can find out described
Those invariants in uncompressed picture, so as to learn these described uncompressed pictures be exactly originally as or a series
, so can reduce the uncompressed picture due to light it is uneven caused by interference；The high definition display unit 203 leads to again
Histogram equalization is crossed, the grey level histogram of the normalization picture is become in whole from some gray scale interval for comparing concentration
Being uniformly distributed in tonal range, Nonlinear extension is carried out to the normalization picture, image pixel value is redistributed, makes certain
The distribution of the roughly the same stretched pixels intensity of pixel quantity in tonal range come strengthen it is described normalization picture contrast
Degree, so as to generate equalization picture；The high definition display unit 203 is subtracted to each equalization picture using mean filter again
The change of small picture gray scale, so as to generate the high definition picture.
The block of pixels that image transmission system disclosed in the embodiment of the present invention will be divided into by compression unit by original image
It is compressed, so as to generate packed pixel block, and the compressed picture that will be combined into by transmitting element by the packed pixel block
It is sent to display terminal to be decompressed, so as to obtain uncompressed picture, then by the high definition display unit by the decompression
Contract drawing piece carries out picture enhancing technical finesse and obtains high definition picture, and solving direct transmission picture in the prior art causes transmission speed
Degree slowly and picture can not high definition display the problem of, it is possible to increase picture transfer efficiency and high definition display picture；In addition, by institute
State original image and be divided into multiple block of pixels, then be compressed for each block of pixels, without the original image is made
Directly compressed for an entirety, the compression quality of overall picture can be improved.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of picture transmission method, it is characterised in that including step：
S11, camera terminal obtain original image, and each original image is divided into N number of block of pixels, and N is integer, and N
More than 0；
S12, the camera terminal are compressed according to the compression index pre-set to each block of pixels, obtain compressing picture
Plain block；The compression index includes resolution ratio and pixel；
Each packed pixel block is combined into compressed picture by S13, the camera terminal, and each compressed picture is sent out
Give display terminal；
S14, the display terminal are decompressed each compressed picture according to default control parameter, so as to generate solution
Compressed picture；The control parameter includes resolution ratio and pixel；
S15, the display terminal carry out picture enhancing technical finesse to each uncompressed picture, so as to generate high definition figure
Piece.
2. picture transmission method as claimed in claim 1, it is characterised in that the size of block of pixels described in the step S11
Unanimously, and there is the row to overlap each other to proofread pixel between two neighboring each block of pixels.
3. picture transmission method as claimed in claim 1, it is characterised in that the step S12 also includes：The camera terminal
Check and correction pixel in each packed pixel block is compared with the compression index, when the check and correction pixel do not meet it is described
During compression index, pixel alignment is carried out to the packed pixel block.
4. picture transmission method as claimed in claim 3, it is characterised in that the pixel alignment specifically includes：When the school
When being more than the compression index to pixel, second compression again is carried out to the packed pixel block, until the check and correction pixel is equal to institute
State compression index；When the check and correction pixel is less than the compression index, pixel compensation is carried out to the packed pixel block, until
The check and correction pixel is equal to the compression index.
5. picture transmission method as claimed in claim 1, it is characterised in that picture described in the step S15 strengthens technology
Specifically include：
S151, each uncompressed picture is normalized, generation normalization picture；
S152, histogram equalization is carried out to the normalization picture, stretch the distribution of the image pixel intensities of the normalization picture
Scope come strengthen it is described normalization picture contrast, so as to generate equalization picture；
S153, the change for reducing picture gray scale using mean filter to the equalization picture, so as to generate the high definition picture.
6. a kind of image transmission system, it is characterised in that including camera terminal and display terminal；The camera terminal includes segmentation
Unit, compression unit and transmitting element, the display terminal include receiving unit, decompression unit and high definition display unit；
The cutting unit is used to obtain original image, and each original image is divided into N number of block of pixels, and N is integer,
And N is more than 0；
The compression unit is used to be compressed each block of pixels according to the compression index pre-set, obtains compressing picture
Plain block；The compression index includes resolution ratio and pixel；
The transmitting element is used to each packed pixel block being combined into compressed picture, and each compressed picture is sent out
Give the display terminal；
The receiving unit is used to receive each compressed picture that the transmitting element is sent；
The decompression unit is used to decompress each compressed picture, so as to obtain uncompressed picture；
The high definition display unit carries out picture enhancing technical finesse to each uncompressed picture, so as to generate high definition figure
Piece.
7. image transmission system as claimed in claim 6, it is characterised in that the block of pixels it is in the same size, and adjacent two
There is the row to overlap each other to proofread pixel between individual each block of pixels.
8. image transmission system as claimed in claim 6, it is characterised in that the compression unit is additionally operable to each pressure
Check and correction pixel in contracting block of pixels compares with the compression index, when the check and correction pixel does not meet the compression index,
Pixel alignment is carried out to the packed pixel block.
9. image transmission system as claimed in claim 8, it is characterised in that the pixel alignment specifically includes：When the school
When being more than the compression index to pixel, second compression again is carried out to the packed pixel block, until the check and correction pixel is equal to institute
State compression index；When the check and correction pixel is less than the compression index, pixel compensation is carried out to the packed pixel block, until
The check and correction pixel is equal to the compression index.
10. image transmission system as claimed in claim 6, it is characterised in that picture described in the high definition display unit increases
Strong technology specifically includes：Each uncompressed picture is normalized, generation normalization picture；To the normalization
Picture carries out histogram equalization, stretches the distribution of the image pixel intensities of the normalization picture and strengthens the normalization figure
The contrast of piece, so as to generate equalization picture；Reduce the change of picture gray scale using mean filter to the equalization picture,
So as to generate the high definition picture.
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| CN108287892A (en) * | 2018-01-18 | 2018-07-17 | 北京奇艺世纪科技有限公司 | A kind of picture loading method, device and electronic equipment |
| CN108322789A (en) * | 2018-01-18 | 2018-07-24 | 北京奇艺世纪科技有限公司 | A kind of network image display method, device and mobile terminal |
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