CN106358078A - Analog video image transmitting method, analog video image receiving method, analog video image transmitting device, analog video image receiving device and analog video image transceiving system - Google Patents
Analog video image transmitting method, analog video image receiving method, analog video image transmitting device, analog video image receiving device and analog video image transceiving system Download PDFInfo
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- CN106358078A CN106358078A CN201510422432.6A CN201510422432A CN106358078A CN 106358078 A CN106358078 A CN 106358078A CN 201510422432 A CN201510422432 A CN 201510422432A CN 106358078 A CN106358078 A CN 106358078A
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- 230000005540 biological transmission Effects 0.000 abstract description 36
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
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Abstract
The embodiment of the invention discloses an analog video image transmitting method, an analog video image receiving method, an analog video image transmitting device, an analog video image receiving device and an analog video image transceiving system. The analog video image transmitting method includes generating N analog video image frames according to an original analog video image, wherein each analog video image frame comprises an analog video sub-image obtained by division of the original analog video image according to preset division rules, a resolution ratio of each analog video sub-image is a preset resolution ratio which is less than that of the original analog video image, and N is an integer more than 1; transmitting the generated analog video image. The analog video image transmitting method has the advantages that the analog video image high in resolution ratio is divided into analog video images low in resolution ratio to be transmitted, and enhancement of a maximum frequency and a bandwidth range of analog video signals is not needed, thus, in-band noise interference suffered during transmission is reduced, influence on transmission quality of the analog video image or loss of details thereof can be avoided and a transmission distance can be prolonged.
Description
Technical field
The present invention relates to communication technical field, more particularly, to a kind of sending, receiving method of analog video image,
Device and receive-transmit system.
Background technology
In communication technical field, the bandwidth of the signal of analog video image is the high frequency of analog video signal
Rate and the difference of low-limit frequency, when the resolution of analog video image improves, highest frequency and bandwidth can improve.
In prior art, in order to transmit high-resolution analog video signal, constantly improve analog video signal
Highest frequency and bandwidth range.
But because analog video image is unipolar signal, easily it is interfered in transmitting procedure, work as mould
After intending the highest frequency increase of video signal, the bandwidth range of whole signal also accordingly increases, and bandwidth range is got over
Width, analog video signal is more easily disturbed by in-band noise, can have a strong impact on analog video image transmission
Quality, for example, occurs striped in analog video image.And, the highest frequency of analog video signal is got over
Height, in transmitting procedure, its radio-frequency component of increase with transmission range is more easily decayed, analog video image
Details more easily incurs loss, and for example, analog video image can thicken, and transmission range is shorter.
Content of the invention
The purpose of the embodiment of the present invention is to provide a kind of sending method of analog video image, device and transmitting-receiving system
System, for solving following problem: in order to transmit high-resolution analog video signal, constantly improve simulation
The highest frequency of video signal and bandwidth range, but the quality of analog video image transmission can be impacted, and
And the details of analog video image can incur loss.
The purpose of the embodiment of the present invention is achieved through the following technical solutions:
A kind of sending method of analog video image, comprising:
N analog video image frame is generated according to former analog video image, each analog video image frame is respectively
Described former analog video image is carried out divide the son simulation obtaining including according to default division rule
Video image, the resolution of each sub- analog video image is default resolution, and described default resolution is less than
The resolution of described former analog video image, n is the integer more than 1；
Send the analog video image frame generating.
Optionally, each analog video image frame also includes sub- analog video image in described former analog video figure
Positional information in picture.
Optionally, according to default division rule, described former analog video image is carried out with division and obtain submodule plan
The mode of video image is as follows:
According to default division rule, read described default resolution sizes respectively from former analog video image
Pixel obtain sub- analog video image；
When the pixel size reading from described former analog video image is less than default resolution sizes, from
Read pixel fill blanking pixel and obtain sub- analog video image in described former analog video image.
Optionally, positional information in described former analog video image for the described sub- analog video image is basis
The resolution of described former analog video image and described default resolution calculate determination.
Optionally, the row pixel count of the resolution instruction of described former analog video image is described default resolution
The integral multiple of the row pixel count indicating.
A kind of method of reseptance of analog video image, comprising:
Receive analog video image frame, each analog video image frame is included respectively according to default division rule
Former analog video image is carried out divide the sub- analog video image obtaining, each sub- analog video image
Resolution be default resolution, described default resolution is less than the resolution of described former analog video image；
According to default division rule, by the sub- analog video image in the analog video image receiving frame also
Originally it was described former analog video image.
Optionally, each analog video image frame also includes sub- analog video image in described former analog video figure
Positional information in picture.
Optionally, according to default division rule, the submodule in the analog video image receiving frame is intended regarding
Frequency image restoring is described former analog video image, comprising:
According to default division rule, the son of blanking pixel will be eliminated in the analog video image receiving frame
Analog video image splices and removes the pseudo- border of splicing and is reduced to described former analog video image.
Optionally, positional information in described former analog video image for the described sub- analog video image is basis
The resolution of described former analog video image and described default resolution calculate determination.
Optionally, the row pixel count of the resolution instruction of described former analog video image is described default resolution
The integral multiple of the row pixel count indicating.
A kind of dispensing device of analog video image, comprising:
Analog video image frame generation module, is used for: generates n analog video according to former analog video image
Picture frame, each analog video image frame is included according to default division rule respectively to described former analog video
Image carries out dividing the sub- analog video image obtaining, and the resolution of each sub- analog video image is pre-
If resolution, described default resolution is less than the resolution of described former analog video image, and n is more than 1
Integer；
Analog video image frame sending module, is used for: sends what described analog video image division module generated
Analog video image frame.
A kind of reception device of analog video image, comprising:
Analog video image frame receiver module, is used for: receives analog video image frame, each analog video figure
As frame includes former analog video image being carried out divide the son obtaining according to default division rule respectively
Analog video image, the resolution of each sub- analog video image is default resolution, described default resolution
Resolution less than described former analog video image；
Analog video image recovery module, is used for: according to default division rule, the simulation receiving is regarded
Sub- analog video image in frequency picture frame is reduced to described former analog video image.
A kind of receive-transmit system of analog video image, comprising:
The dispensing device of analog video image, is used for: generates n analog video according to former analog video image
Picture frame, each analog video image frame is included according to default division rule respectively to described former analog video
Image carries out dividing the sub- analog video image obtaining, and the resolution of each sub- analog video image is pre-
If resolution, described default resolution is less than the resolution of described former analog video image, and n is more than 1
Integer；Send the analog video image frame generating.
The reception device of analog video image, is used for: receives analog video image frame, each analog video figure
As frame includes former analog video image being carried out divide the son obtaining according to default division rule respectively
Analog video image, the resolution of each sub- analog video image is default resolution, described default resolution
Resolution less than described former analog video image；According to default division rule, the simulation receiving is regarded
Sub- analog video image in frequency picture frame is reduced to described former analog video image.
The having the beneficial effect that of the embodiment of the present invention:
In existing Analogvideotransmission system, the resolution sending and receiving image is higher, needs to simulate
The highest frequency of video signal is higher, and bandwidth range is wider, leads to analog video signal more easily to be carried interior
Noise jamming, more easily by decaying that transmission range is brought, analog video image details is more easily lost,
Transmission range is shorter.In the embodiment of the present invention, n analog video image is generated according to former analog video image
Frame simultaneously sends, because the default resolution of the sub- analog video image in each analog video image frame is less than former
The resolution of analog video image, the analog video image of high resolution has been divided into point by this sending method
The low analog video image of resolution is transmitted, thus avoiding the need for improving the highest frequency of analog video signal
And bandwidth range, so, in transmitting procedure, the interference of the in-band noise that is subject to decreases, it is to avoid simulation regards
The quality of frequency image transmitting can impacted or its details incur loss, and can increase transmission range.
Brief description
Fig. 1 is a kind of sending method flow chart of analog video image provided in an embodiment of the present invention；
Fig. 2 is a kind of method of reseptance flow chart of analog video image provided in an embodiment of the present invention；
Fig. 3 is the first the analog video figure as a example the video image by physical simulation provided in an embodiment of the present invention
The sending, receiving method schematic diagram of picture；
Fig. 4 be the video image by physical simulation provided in an embodiment of the present invention as a example second analog video figure
The sending, receiving method schematic diagram of picture；
Fig. 5 is the third analog video figure as a example the video image by physical simulation provided in an embodiment of the present invention
The sending, receiving method schematic diagram of picture；
Fig. 6 is a kind of dispensing device schematic diagram of analog video image provided in an embodiment of the present invention；
Fig. 7 is a kind of reception device schematic diagram of analog video image provided in an embodiment of the present invention；
Fig. 8 is a kind of receive-transmit system schematic diagram of analog video image provided in an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples to a kind of transmission of analog video image that the present invention provides, recipient
Method, device and receive-transmit system are illustrated in greater detail.
As shown in figure 1, the embodiment of the present invention provides a kind of sending method of analog video image, it is specifically real
Existing mode is:
Step 110: n analog video image frame, each analog video are generated according to former analog video image
Picture frame includes former analog video image being carried out divide obtaining according to default division rule respectively
Sub- analog video image, the resolution of each sub- analog video image is default resolution, this default resolution
Less than the resolution of former analog video image, n is the integer more than 1；
Step 120: send the analog video image frame generating.
In existing Analogvideotransmission system, the resolution sending and receiving image is higher, needs to simulate
The highest frequency of video signal is higher, and bandwidth range is wider, leads to analog video signal more easily to be carried interior
Noise jamming, more easily by decaying that transmission range is brought, analog video image details is more easily lost,
Transmission range is shorter.In the embodiment of the present invention, n analog video image is generated according to former analog video image
Frame simultaneously sends, because the default resolution of the sub- analog video image in each analog video image frame is less than former
The resolution of analog video image, the analog video image of high resolution has been divided into point by this sending method
The low analog video image of resolution is transmitted, thus avoiding the need for improving the highest frequency of analog video signal
And bandwidth range, so, in transmitting procedure, the interference of the in-band noise that is subject to decreases, it is to avoid simulation regards
The quality of frequency image transmitting can impacted or its details incur loss, and can increase transmission range.
It should be pointed out that in above-described embodiment, can be one analog video image frame of every generation just by it
Send or after generating the corresponding all of analog video image frame of former analog video image, then
All of analog video image frame is sent.
Optionally, in above-described embodiment, each analog video image frame also includes sub- analog video image former
Positional information in analog video image, so as receiving terminal according to the positional information of sub- analog video image to former
Analog video image reduces.
If not including positional information in analog video image frame, when sending analog video image frame, can
To send according to predefined procedure, to receive and according to analog video image frame according to predefined procedure when receiving
Reception order former analog video image is reduced.
In order to ensure the normal transmission of analog video image frame, need the resolution of sub- analog video image and send out
Send the resolution match that equipment is supported, therefore, default resolution should be entered according to the resolution that transmission equipment is supported
Row configuration.Optionally, default resolution can be set to the highest resolution of transmission equipment support, permissible
Reduce generation quantity and the transmission times of analog video image frame, improve treatment effeciency.
Optionally, according to default division rule, division is carried out to former analog video image and obtain sub- analog video
The mode of image is as follows: according to default division rule, reads default point respectively from former analog video image
The pixel of resolution size obtains sub- analog video image；When the pixel reading from former analog video image is big
During less than default resolution sizes, read pixel fill blanking pixel and obtain from former analog video image
Sub- analog video image.
Mechanism due to analog video image transmission is in units of frame or field, according to default division
When rule divides to former analog video image, need to consider the size of sub- analog video image resolution,
Ensure that analog video image can be sent in units of frame or field, this adds increased the difficulty of realization.
For example, if the row pixel count of the resolution instruction of former analog video image is not the row of default resolution instruction
The integral multiple of pixel count is it may appear that the pixel size reading is less than the situation of default resolution sizes, this
In the case of the pixel size that reads can not generate an analog video image frame it is impossible to realize analog video figure
As transmission.In order to solve this technical problem, during realizing the present invention, inventor finds: in order to
Analog video image after ensureing to divide can normal transmission, a simulation is generated for being not enough to of reading
The pixel size of video frame image, can be by filling blanking pixel, enabling is met default resolution
The sub- analog video image of rate size, thus obtain complete analog video image frame it is ensured that analog video
The normal transmission of image.
Damage in analog video image transmitting procedure, the figure that is, analog video image reception device receives
Image as sending with analog video image dispensing device has error, especially in sub- analog video image
Boundary member error maximum, so the seriality between adjacent sub- analog video image is just broken
Bad, pseudo- border, the quality of impact analog video image will be formed during such sub- analog video image splicing.
In order to improve the quality of analog video image, during sequential reduction analog video image, antithetical phrase analog video image
Can be repaired using pseudo- border technology for eliminating after splicing.If the pseudo- border between sub- analog video image
It is neatly continuous, then the treatment effeciency eliminating pseudo- border is higher.
If the row pixel count of the resolution instruction of former analog video image is not the row of default resolution instruction
The integral multiple of pixel count, can exist in the one-row pixels of former analog video image and be unsatisfactory for default resolution requirement
Part, need from next line read pixel filling to meet the requirement of default resolution, and next line
Pixel there is also the part being unsatisfactory for default resolution requirement, continue read pixel from a line thereafter, enter
And destroy the seriality of former analog video image, not only increase pseudo- border, and then affect analog video figure
As the quality of transmission, and the distribution on pseudo- border is irregular continuous, the effect that the pseudo- border of impact eliminates.Optional
, in all of above embodiment, the row pixel count of the resolution instruction of former analog video image is default resolution
The integral multiple of the row pixel count of rate instruction.As such, it is possible to the segmentation to the row pixel of former analog video image is whole
Together, so that when subsequently eliminating pseudo- border, treatment effeciency is high and eradicating efficacy is good.
Optionally, in all of above embodiment, position in former analog video image for the sub- analog video image
Information is the resolution and the calculating determination of default resolution according to former analog video image.Wherein, position letter
Breath can intend original position in former analog video image for the video image for submodule, and positional information can also be
Sequence number in former analog video image for the sub- analog video image.
If positional information is original position in former analog video image for the sub- analog video image, grand master pattern is intended
The resolution sizes of video image are: row pixel count a* row pixel count b, default resolution sizes are: row picture
Prime number a ' * row pixel count b '；The frame number of sub- analog video image meets:
N=p*q (1)
Wherein, n represents analog video image frame or the number of sub- analog video image.
Wherein, p is more than or equal to the minimum positive integer of the two ratio of row pixel count a and row pixel count a '.
If the two ratio of row pixel count a and row pixel count a ' is positive integer, p is equal to row pixel count a and row pixel
Number the two ratio of a '.
Wherein, q is more than or equal to the minimum positive integer of the two ratio of row pixel count b and row pixel count b '.
If the two ratio of row pixel count b and row pixel count b ' is positive integer, q is equal to row pixel count b and row pixel
Number the two ratio of a '.
If the 1st row is arranged for the 1st with the upper left corner of former analog video image, then can be according to from left to right
Order, the positional information of each sub- analog video image of determination is: the 1st arranges the 1st row, [(2-1) * b '+1]
Arrange the 1st row ... ..., [(q-1) * b '+1] arranges the 1st row, the 1st arranges [(2-1) * a '+1] OK ... ...,
[(2-1) * b '+1] arranges [(2-1) * a '+1] OK ... ..., and [(q-1) * b '+1] arranges [(2-1)
* a '+1] OK ... ..., the 1st arranges [(p-1) * a '+1] OK, and [(2-1) * b '+1] arranges [(p-1) * a '+1]
OK ... ..., [(q-1) * b '+1] arranges [(p-1) * a '+1] OK.
Is read from former analog video image according to positional information every time and preset after the pixel of resolution sizes all
This positional information can be added in corresponding analog video image frame.
It is noted that the resolution of multigroup analog video image and default resolution can also be pre-set
Corresponding positional information.
Optionally, with above-mentioned original position as positional information, the pixel reading default resolution sizes obtains son
In the mode of analog video image, for each sub- analog video image, can with original position as starting point,
The corresponding pixel of this sub- analog video image can be read several times, read a line every time or multirow is preset point
The row pixel of resolution size instruction, until the pixel reading meets default resolution sizes；Or, Ke Yiqi
Beginning position is starting point, once reads the pixel meeting default resolution sizes.
It should be pointed out that for same default resolution, former analog video image can be divided into strips
Sub- analog video image it is also possible to be divided into bulk sub- analog video image, for strip submodule intend
Video image, the segmentation for the row pixel of former analog video image is minimum, the quality to analog video image
Impact minimum.
If strip divides, can be read with serial and send the row pixel in each sub- analog video image,
Send after frame storage need not be done.
In each embodiment above-mentioned, default division rule at least includes the size of default resolution, and strip is drawn
Divide or block division.
All of above embodiment is the embodiment of the transmitting terminal of the receive-transmit system of analog video image, corresponding
Receiving terminal, based on same inventive concept, the embodiment of the present invention also provides for a kind of connecing of analog video image
Receiving method, as shown in Fig. 2 specific implementation is:
Step 210: receive analog video image frame, each analog video image frame is included respectively according to default
Division rule former analog video image is carried out divide the sub- analog video image obtaining, each submodule
The resolution intending video image is default resolution, and default resolution is less than the resolution of former analog video image
Rate；
Step 220: according to default division rule, the submodule in the analog video image receiving frame is intended
Video image is reduced to former analog video image.
In existing Analogvideotransmission system, the resolution sending and receiving image is higher, needs to simulate
The highest frequency of video signal is higher, and bandwidth range is wider, leads to analog video signal more easily to be carried interior
Noise jamming, more easily by decaying that transmission range is brought, analog video image details is more easily lost,
Transmission range is shorter.In the embodiment of the present invention, the submodule that each analog video image frame of reception includes is intended regarding
Frequency image is divided by former analog video image and obtains, due to the default resolution of each sub- analog video image
Rate is less than the resolution of former analog video image, this has been divided into point the analog video image of high resolution
The method of the low analog video image of resolution is not so that need when transmitting to improve the high frequency of analog video signal
Rate and bandwidth range, so, in transmitting procedure, the interference of the in-band noise that is subject to decreases, it is to avoid simulation
The quality of transmission of video images can impacted or its details incur loss, and can increase transmission range.
In the embodiment of the present invention, according to the embodiment of above-mentioned transmitting terminal, default division rule at least wraps
Include the size of default resolution, strip divides or block division.For default resolution, if adopt
It is strip segmentation, can receive what serial sent in order according to the resolution sizes of former analog video image
Pixel splicing and recovery is former analog video image；If using block segmentation, according to former analog video figure
The resolution sizes of picture, receiving each analog video image frame splicing and recovery in order is former analog video figure
Picture.
Optionally, each analog video image frame also includes sub- analog video image in former analog video image
Positional information.The sub- analog video image splicing and recovery receiving can be intended regarding for grand master pattern according to this positional information
Frequency image.
Optionally, positional information can be above-mentioned original position or sub- analog video image in grand master pattern
Intend the sequence number in video image.
Without above-mentioned positional information, just according to above-mentioned reception order by analog video image frame splicing and recovery
For former analog video image.
During sub- analog video image splicing and recovery is former analog video image, by sub- analog video figure
After according to position splicing, according to the embodiment of above-mentioned transmitting terminal, if to former analog video image
The row pixel of resolution has division, also needs to remove the splicing puppet border in row.The mode removing pseudo- border is permissible
It is to replace data boundary in pseudo- boundary with interpolated data, etc..
Optionally, the embodiment according to above-mentioned transmitting terminal, if having blanking pixel in sub- analog video image,
According to default division rule, the sub- analog video image in the analog video image receiving frame is reduced to
Being achieved in that of former analog video image: according to default division rule, by the analog video receiving figure
Sub- analog video image as eliminating blanking pixel in frame splices and removes the pseudo- border of splicing and is reduced to grand master pattern
Intend video image.
Optionally, positional information in former analog video image for the sub- analog video image is to intend regarding according to grand master pattern
The resolution of frequency image and default resolution calculate determination.Specific determination mode is referred to above-mentioned transmission
The embodiment at end.
Optionally, the row pixel count of the resolution instruction of former analog video image is the row of default resolution instruction
The integral multiple of pixel count.
Below, to a kind of analog video figure provided in an embodiment of the present invention taking specific analog video image as a example
As sending, receiving method is explained in more detail.
As shown in figure 3, the resolution sizes of former analog video image are 3840*2160, default resolution is big
Little for 1920*1080, the resolution sizes of former analog video image are 4 times of default resolution sizes, former
Analog video image can generate 4 analog video image frames.According to above-described embodiment, can arrange according to
Order from left to right is successively with former analog video image: the 1st arranges the 1st row, and the 1921st arranges the 1st row,
1st arranges the 2161st row, and the 1921st arranges the 2161st behavior original position.With the first frame analog video figure
As a example picture, arrange the 1st behavior original position with the 1st, during the pixel of the default resolution sizes of reading, from simulation
Read the 1st in video image and arrange the 1st row, the 2nd arranges the 1st row ... ..., and the 1920th arranges the 1st row, the 1st
Arrange the 2nd row, the 2nd arranges the 2nd row ... ..., the 1920th arranges the 2nd row ... ..., the 1st arranges the 1920th row,
2nd arranges the 1920th row ... ..., and the 1920th arranges the pixel of the 1920th row.In this manner it is achieved that successively
Arrange the 1st row with the 1921st, the 1st arranges the 2161st row, the 1921st arranges the 2161st behavior original position reads
The pixel of default resolution sizes.When transmitting terminal sends analog video image frame, specific process is: according to
Above-mentioned defined location information, the 1920*1080 pixel reading from former analog video image every time simultaneously adds
Above-mentioned positional information generates analog video image frame and sends, until sending completely individual former analog video image.
In receiving terminal, receive the analog video image frame of 1920*1080 pixel, according in analog video image frame
Positional information, the sub- analog video image splicing receiving replaces the mode of data boundary with interpolated data
Remove the pseudo- border in row, just reduce this analog video image, complete analog video image transmission.
It is of course also possible to generate sub- analog video image according to strip, as shown in figure 4, specific start bit
Put and arrange according to the method described above.Order from left to right can be set successively from analog video image:
1 arranges the 1st row, and the 1921st arranges the 1st row, and the 1st arranges the 2161st row, and the 1921st arranges the 2161st row reads
The pixel of default resolution sizes obtains sub- analog video image.First frame analog video image is according to strip
When division obtains sub- analog video image, the often row pixel serializable of analog video image reads, now, can
Just it is sent to every reading one-row pixels, do frame storage without waiting for the pixel reading default resolution sizes
After retransmit.As shown in figure 5, each read the one-row pixels meeting default resolution 1920*1080.From
The first row starts, and reads front 1920 pixels of the first row in former analog video image for the first time, then sends
To receiving terminal, read 1920 pixels after the first row in former analog video image for the second time, be then sent to
Receiving terminal.Receiving terminal receives according to agreement order, is spliced according to all of pixel, replaces side with interpolated data
After boundary's data removes pseudo- border, you can be reduced to former analog video image.
Based on same inventive concept, as shown in fig. 6, a kind of dispensing device of analog video image, including
Analog video image frame generation module 601 and analog video image frame sending module 602.
Analog video image frame generation module 601, is used for: generates n simulation according to former analog video image
Video frame image, each analog video image frame is included according to default division rule respectively to former analog video
Image carries out dividing the sub- analog video image obtaining, and the resolution of each sub- analog video image is pre-
If resolution, default resolution is less than the resolution of former analog video image, and n is the integer more than 1；
Analog video image frame sending module 602, is used for: sends what analog video image division module generated
Analog video image frame.
In existing Analogvideotransmission system, the resolution sending and receiving image is higher, needs to simulate
The highest frequency of video signal is higher, and bandwidth range is wider, leads to analog video signal more easily to be carried interior
Noise jamming, more easily by decaying that transmission range is brought, analog video image details is more easily lost,
Transmission range is shorter.In the embodiment of the present invention, n analog video image is generated according to former analog video image
Frame simultaneously sends, because the default resolution of the sub- analog video image in each analog video image frame is less than former
The resolution of analog video image, the analog video image of high resolution has been divided into point by this sending method
The low analog video image of resolution is transmitted, thus avoiding the need for improving the highest frequency of analog video signal
And bandwidth range, so, in transmitting procedure, the interference of the in-band noise that is subject to decreases, it is to avoid simulation regards
The quality of frequency image transmitting can impacted or its details incur loss, and can increase transmission range.
Optionally, each analog video image frame also includes sub- analog video image in former analog video image
Positional information.
Optionally, according to default division rule, division is carried out to former analog video image and obtain sub- analog video
The mode of image is as follows:
According to default division rule, read the picture of default resolution sizes respectively from former analog video image
Element obtains sub- analog video image；
When the pixel size reading from former analog video image is less than default resolution sizes, from grand master pattern
Intend in video image read pixel and fill blanking pixel and obtain sub- analog video image.
Optionally, positional information in former analog video image for the sub- analog video image is to intend regarding according to grand master pattern
The resolution of frequency image and default resolution calculate determination.
Optionally, the row pixel count of the resolution instruction of former analog video image is the row of default resolution instruction
The integral multiple of pixel count.
Based on same inventive concept, as shown in fig. 7, the embodiment of the present invention provides a kind of analog video image
Reception device, including analog video image frame receiver module 701 and analog video image recovery module 702.
Analog video image frame receiver module 701, is used for: receives analog video image frame, each simulation regards
Frequency picture frame includes according to default division rule, former analog video image being carried out dividing obtaining respectively
Individual sub- analog video image, the resolution of each sub- analog video image is default resolution, default resolution
Resolution less than former analog video image；
Analog video image recovery module 702, is used for: according to default division rule, by the mould receiving
The sub- analog video image intended in video frame image is reduced to former analog video image.
In existing Analogvideotransmission system, the resolution sending and receiving image is higher, needs to simulate
The highest frequency of video signal is higher, and bandwidth range is wider, leads to analog video signal more easily to be carried interior
Noise jamming, more easily by decaying that transmission range is brought, analog video image details is more easily lost,
Transmission range is shorter.In the embodiment of the present invention, the submodule that each analog video image frame of reception includes is intended regarding
Frequency image is divided by former analog video image and obtains, due to the default resolution of each sub- analog video image
Rate is less than the resolution of former analog video image, this has been divided into point the analog video image of high resolution
The method of the low analog video image of resolution is not so that need when transmitting to improve the high frequency of analog video signal
Rate and bandwidth range, so, in transmitting procedure, the interference of the in-band noise that is subject to decreases, it is to avoid simulation
The quality of transmission of video images can impacted or its details incur loss, and can increase transmission range.
Optionally, each analog video image frame also includes sub- analog video image in former analog video image
Positional information.
Optionally, analog video image recovery module 702 specifically for:
According to default division rule, the son of blanking pixel will be eliminated in the analog video image receiving frame
Analog video image splices and removes the pseudo- border of splicing and is reduced to former analog video image.
Optionally, positional information in former analog video image for the sub- analog video image is to intend regarding according to grand master pattern
The resolution of frequency image and default resolution calculate determination.
Optionally, the row pixel count of the resolution instruction of former analog video image is the row of default resolution instruction
The integral multiple of pixel count.
Based on same inventive concept, as shown in figure 8, the embodiment of the present invention provides a kind of analog video image
Receive-transmit system, the dispensing device 801 including analog video image and the reception of analog video image fill 802.
The dispensing device of analog video image, is used for: generates n analog video according to former analog video image
Picture frame, each analog video image frame is included according to default division rule respectively to former analog video image
Carry out dividing the sub- analog video image obtaining, the resolution of each sub- analog video image is default point
Resolution, default resolution is less than the resolution of former analog video image, and n is the integer more than 1；Send life
The analog video image frame becoming；
The reception device of analog video image, is used for: receives analog video image frame, each analog video figure
As frame includes former analog video image being carried out divide the son obtaining according to default division rule respectively
Analog video image, the resolution of each sub- analog video image is default resolution, and default resolution is less than
The resolution of former analog video image；According to default division rule, by the analog video image receiving frame
In sub- analog video image be reduced to former analog video image.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or knot
Close the form of the embodiment of software and hardware aspect.And, the present invention can adopt and wherein wrap one or more
Computer-usable storage medium containing computer usable program code (including but not limited to disk memory,
Cd-rom, optical memory etc.) the upper computer program implemented form.
The present invention is to produce with reference to method according to embodiments of the present invention, equipment (system) and computer program
The flow chart of product and/or block diagram are describing.It should be understood that can by computer program instructions flowchart and
/ or block diagram in each flow process and/or the flow process in square frame and flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embed
The processor of formula datatron or other programmable data processing device is to produce a machine so that passing through to calculate
The instruction of the computing device of machine or other programmable data processing device produces for realizing in flow chart one
The device of the function of specifying in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and computer or other programmable datas can be guided to process and set
So that being stored in this computer-readable memory in the standby computer-readable memory working in a specific way
Instruction produce and include the manufacture of command device, the realization of this command device is in one flow process or multiple of flow chart
The function of specifying in flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, makes
Obtain and series of operation steps is executed on computer or other programmable devices to produce computer implemented place
Reason, thus the instruction of execution is provided for realizing in flow chart one on computer or other programmable devices
The step of the function of specifying in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, appended right will
Ask and be intended to be construed to including preferred embodiment and fall into being had altered and changing of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these changes and modification.
Claims (13)
1. a kind of sending method of analog video image is it is characterised in that include:
N analog video image frame is generated according to former analog video image, each analog video image frame is respectively
Described former analog video image is carried out divide the son simulation obtaining including according to default division rule
Video image, the resolution of each sub- analog video image is default resolution, and described default resolution is less than
The resolution of described former analog video image, n is the integer more than 1；
Send the analog video image frame generating.
2. method according to claim 1 is it is characterised in that each analog video image frame also wraps
Positional information in described former analog video image for the enclosed tool analog video image.
3. method according to claim 2 is it is characterised in that according to default division rule to institute
State former analog video image carry out dividing obtain sub- analog video image mode as follows:
According to default division rule, read described default resolution sizes respectively from former analog video image
Pixel obtain sub- analog video image；
When the pixel size reading from described former analog video image is less than default resolution sizes, from
Read pixel fill blanking pixel and obtain sub- analog video image in described former analog video image.
4. method according to claim 2 is it is characterised in that described sub- analog video image is in institute
Stating the positional information in former analog video image is resolution according to described former analog video image and described
Default resolution calculates determination.
5. the method according to any one of Claims 1 to 4 is it is characterised in that described former analog video
The row pixel count of the resolution instruction of image is the integral multiple of the row pixel count of described default resolution instruction.
6. a kind of method of reseptance of analog video image is it is characterised in that include:
Receive analog video image frame, each analog video image frame is included respectively according to default division rule
Former analog video image is carried out divide the sub- analog video image obtaining, each sub- analog video image
Resolution be default resolution, described default resolution is less than the resolution of described former analog video image；
According to default division rule, by the sub- analog video image in the analog video image receiving frame also
Originally it was described former analog video image.
7. method according to claim 6 is it is characterised in that each analog video image frame also wraps
Positional information in described former analog video image for the enclosed tool analog video image.
8. method according to claim 7 is it is characterised in that according to default division rule, incite somebody to action
Sub- analog video image in the analog video image frame receiving is reduced to described former analog video image, bag
Include:
According to default division rule, the son of blanking pixel will be eliminated in the analog video image receiving frame
Analog video image splices and removes the pseudo- border of splicing and is reduced to described former analog video image.
9. method according to claim 7 is it is characterised in that described sub- analog video image is in institute
Stating the positional information in former analog video image is resolution according to described former analog video image and described
Default resolution calculates determination.
10. the method according to any one of claim 6～9 is it is characterised in that described former analog video
The row pixel count of the resolution instruction of image is the integral multiple of the row pixel count of described default resolution instruction.
A kind of 11. dispensing devices of analog video image are it is characterised in that include:
Analog video image frame generation module, is used for: generates n analog video according to former analog video image
Picture frame, each analog video image frame is included according to default division rule respectively to described former analog video
Image carries out dividing the sub- analog video image obtaining, and the resolution of each sub- analog video image is pre-
If resolution, described default resolution is less than the resolution of described former analog video image, and n is more than 1
Integer；
Analog video image frame sending module, is used for: sends what described analog video image division module generated
Analog video image frame.
A kind of 12. reception devices of analog video image are it is characterised in that include:
Analog video image frame receiver module, is used for: receives analog video image frame, each analog video figure
As frame includes former analog video image being carried out divide the son obtaining according to default division rule respectively
Analog video image, the resolution of each sub- analog video image is default resolution, described default resolution
Resolution less than described former analog video image；
Analog video image recovery module, is used for: according to default division rule, the simulation receiving is regarded
Sub- analog video image in frequency picture frame is reduced to described former analog video image.
A kind of 13. receive-transmit systems of analog video image are it is characterised in that include:
The dispensing device of analog video image, is used for: generates n analog video according to former analog video image
Picture frame, each analog video image frame is included according to default division rule respectively to described former analog video
Image carries out dividing the sub- analog video image obtaining, and the resolution of each sub- analog video image is pre-
If resolution, described default resolution is less than the resolution of described former analog video image, and n is more than 1
Integer；Send the analog video image frame generating；
The reception device of analog video image, is used for: receives analog video image frame, each analog video figure
As frame includes former analog video image being carried out divide the son obtaining according to default division rule respectively
Analog video image, the resolution of each sub- analog video image is default resolution, described default resolution
Resolution less than described former analog video image；According to default division rule, the simulation receiving is regarded
Sub- analog video image in frequency picture frame is reduced to described former analog video image.
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