CN106851282A - The method and system of encoding video pictures data volume is reduced in a kind of VDI agreements - Google Patents
The method and system of encoding video pictures data volume is reduced in a kind of VDI agreements Download PDFInfo
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- CN106851282A CN106851282A CN201710080699.0A CN201710080699A CN106851282A CN 106851282 A CN106851282 A CN 106851282A CN 201710080699 A CN201710080699 A CN 201710080699A CN 106851282 A CN106851282 A CN 106851282A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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Abstract
The present invention relates to video image otherness identification field, the method and system of encoding video pictures data volume is reduced in more particularly to a kind of VDI agreements.A kind of method that encoding video pictures data volume is reduced in VDI agreements, it is characterised in that comprise the following steps：Obtain each frame image data of video；Calculate the difference value of the adjacent two field pictures data of the video；Judge the difference value of adjacent two field pictures data and the relation of discrepancy threshold；If the difference value of adjacent two field pictures data is more than or equal to discrepancy threshold, the latter frame image data in the adjacent two field pictures data is encoded；If the difference value of adjacent two field pictures data is less than discrepancy threshold, the latter frame image data in the adjacent two field pictures data is not encoded.Determine whether to encode and transmit the frame video image data by the relation between the difference value and discrepancy threshold of relatively more adjacent two frame video images data, the encoding amount of vedio data is reduced in the case of not influenceing video image successional.
Description
Technical field
The present invention relates to the identification of video image otherness, image procossing, field of statistics, more particularly to a kind of desktop is virtual
Change the method and system that VDI agreements reduce encoding video pictures data volume.
Background technology
With continuing to develop for video equipment, the video image of equipment collection is more and more clear, in all trades and professions all wide
It is general to use.
At present, the video format of video equipment collection mainly has yuyv or jpeg forms, and most of video equipment makes
Form is yuyv, and yuyv forms mainly pursue the definition of image, and this means that the data of video image also increase, this
The time that the encoding and decoding of video image are consumed also is increased into many, this will cause client cpu pressure multipliers, reduce visitor
Family end performance, while the not every data of video data that video equipment is collected all have use value, when video is drawn
In the case that face is constant, video equipment still gathers view data, and carry out encoding and decoding, while by the number of uncompressed treatment
According to the operation such as being transmitted, there is the very big network bandwidth and take in this when video image carries out network access in real time；So that
It is undesirable in the small area video experience of the network bandwidth, or even situation about cannot use at all.
Therefore, video equipment carries out video data encoding and decoding in the case where resource itself is fairly limited using client
Substantial amounts of client resource is consumed, client performance is reduced；Meanwhile, in the case where area network environment is not good, use network
The transmission of video data is carried out, the network bandwidth of the overwhelming majority is taken, user video experience is not only influenceed, the regional network is had an effect on
The efficiency of transmission of network.
The content of the invention
The technical problems to be solved by the invention are：There is provided and reduce video image coding in a kind of desktop virtualization VDI agreements
The method and system of code data volume, with efficient video image comparison algorithm and Intelligent Multi layer compress technique, i.e., in data transfer
Before repeatedly compressed, can according to Network load status, WAN bandwidth and discharge pattern use optimal compress technique, at reduction
The data volume of video image is managed, video equipment is solved and is frequently gathered video image, do not consider whether there is difference between video image
It is different, frequently encode, the uncompressed treatment of vedio data just travels frequently over network and uploads to being made to client cpu for high in the clouds
Into network bandwidth resources consumption, the Local Area Network efficiency of transmission is influenceed, so as to reduce the problem of user video experience.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Video image is reduced in a kind of VDI agreements
The method of amount of coded data, comprises the following steps：
Obtain each frame image data of video；
Calculate the difference value of the adjacent two field pictures data of the video；
Judge the difference value of adjacent two field pictures data and the relation of discrepancy threshold；
If the difference value of adjacent two field pictures data is more than or equal to discrepancy threshold, the adjacent two field pictures data are encoded
In latter frame image data；
If the difference value of adjacent two field pictures data is less than discrepancy threshold, in not encoding the adjacent two field pictures data
Latter frame image data.
The beneficial effects of the present invention are：In the method for reducing encoding video pictures data volume of the present invention, pass through
The vedio data of each frame is separated after the vedio data of terminal collection video equipment, with efficient video image ratio
The difference value between vedio data is calculated compared with algorithm, the vedio data got with reference to Principle of Statistics intellectual analysis
The regularity of difference value, obtains discrepancy threshold, by the relation between comparing difference value and discrepancy threshold, judges video image
State, when difference value is less than discrepancy threshold, is judged to the state of geo-stationary, does not carry out coding and the transmission of the frame data；
When difference value is more than or equal to discrepancy threshold, it is judged to the state of relative motion, then encodes and transmit the frame data；The present invention is related to
And video image otherness know method for distinguishing, by the relation between the difference value and threshold value of adjacent two frame video images data
Compare selective coding and transmitting video image data, in the case of not influenceing video image successional, reduce video image
The coding and transmission quantity of data, so as to reduce the consumption of the resources such as client cpu and the network bandwidth, lift terminal capabilities, change
Kind Consumer's Experience.
Brief description of the drawings
Fig. 1 is the method stream of reduction encoding video pictures data volume in a kind of VDI agreements of the specific embodiment of the invention
Cheng Tu；
Fig. 2 is the system knot of reduction encoding video pictures data volume in a kind of VDI agreements of the specific embodiment of the invention
Structure block diagram；
Label declaration：
1st, the first acquisition module；2nd, computing module；3rd, judge module；4th, the first authentication module；5th, the first memory module；6、
Second memory module；7th, the second authentication module.
Specific embodiment
It is to describe technology contents of the invention, the objects and the effects in detail, below in conjunction with implementation method and coordinates attached
Figure is explained.
The design of most critical of the present invention is：By the difference value and discrepancy threshold of relatively more adjacent two frame video images data
Between relation determine whether to encode and transmit the frame video image data, do not influenceing to subtract in the case of video image is successional
The coding and transmission quantity of few vedio data.
Fig. 1 and Fig. 2 is refer to, a kind of method that encoding video pictures data volume is reduced in VDI agreements, including following step
Suddenly：
Obtain each frame image data of video；
Calculate the difference value of the adjacent two field pictures data of the video；
Judge the difference value of adjacent two field pictures data and the relation of discrepancy threshold；
If the difference value of adjacent two field pictures data is more than or equal to discrepancy threshold, the adjacent two field pictures data are encoded
In latter frame image data；
If the difference value of adjacent two field pictures data is less than discrepancy threshold, in not encoding the adjacent two field pictures data
Latter frame image data.
Reduced in above-mentioned VDI agreements in the method for encoding video pictures data volume, video equipment is gathered by terminal
The vedio data of each frame is separated after vedio data by video separation technology, calculation is compared with efficient video image
Method calculates the difference value between vedio data, the difference of the vedio data got with reference to Principle of Statistics intellectual analysis
The regularity of value, obtains discrepancy threshold, by the relation between comparing difference value and discrepancy threshold, judges the shape of video image
State, when difference value is less than discrepancy threshold, is judged to the state of geo-stationary, does not carry out coding and the transmission of the frame data；When
When difference value is more than or equal to discrepancy threshold, it is judged to the state of relative motion, then encodes and transmit the frame data；The present invention relates to
Video image otherness know method for distinguishing, by the relation ratio between the difference value and threshold value of adjacent two frame video images data
Compared with selective coding and transmitting video image data, in the case of not influenceing video image successional, video image number is reduced
According to coding and transmission quantity, so as to reduce the consumption of the resources such as client cpu and the network bandwidth, lift terminal capabilities, improve
Consumer's Experience.
Further, it is further comprising the steps of after described " obtaining each frame image data of video "：
Verify the integrality of described image data；
View data of the storage with integrality.
Seen from the above description, before the difference value of adjacent two field pictures data of video is calculated, authentication image data
Integrality, it is ensured that the integrality of frame data in vedio data, it is to avoid calculate difference value when produce error, it is to avoid video
The erroneous judgement of image state and cause Consumer's Experience to decline.
Further, described " integralities of checking described image data " are comprised the following steps：
First frame image data of store video images is initialization data；
Checking obtains each frame image data of terminal video equipment collection video image and the frame header of initialization data
Show whether consistent with frame data length；
If each frame image data for obtaining terminal video equipment collection video image and the frame head of initialization data are indicated
It is consistent with frame data length, then this frame data is stored, described this frame data are partial data；
If each frame image data for obtaining terminal video equipment collection video image and the frame head of initialization data are indicated
It is inconsistent with frame data length, then reacquire this frame data.
It is preferred that the method for the integrality of authentication image data, the complete of frame data in vedio data is further ensured that
Property, it is to avoid calculate difference value when produce error, it is to avoid the erroneous judgement of video image state and cause Consumer's Experience to decline.
Further, described " calculating the difference value of adjacent two frame video images data " comprises the following steps：
With image recognition algorithm technology, etc. the quick comparison algorithm of Region homogenization direct access, indifference accurately compare calculation
Method calculates the difference value of latter frame image data and previous frame image data in the adjacent two frame video images data.
It is preferred that the computational methods of the difference value of adjacent two frame video images data, to reduce encoding video pictures data volume
Foundation is provided.
A kind of system that encoding video pictures data volume is reduced in VDI agreements, including：
First acquisition module 1：Each frame image data for obtaining video；
Computing module 2：Difference value for calculating the adjacent two field pictures data of video；
Judge module 3：For judging the difference value of adjacent two field pictures data and the relation of discrepancy threshold.
Further, the system of described reduction image data amount also includes：
First authentication module 4：Integrality for verifying described image data；
First memory module 5：For storing the view data with integrality.
Further, the system of described reduction image data amount also includes：
Second memory module 6：The first frame image data for store video images is initialization data；
Second authentication module 7：Obtained for verifying each frame image data of terminal video equipment collection video image with
Whether the frame head sign of initialization data is consistent with frame data length.
Further, the system of described reduction image data amount includes：
Computing module 2：For with image recognition algorithm technology, etc. the quick comparison algorithm of Region homogenization direct access, nothing
The accurate comparison algorithm of difference calculates latter frame image data and previous frame image data in the adjacent two frame video images data
Difference value.
Embodiment 1
A kind of method that encoding video pictures data volume is reduced in VDI agreements, comprises the following steps：
S1：Obtain each frame image data of video；
S2：Verify the integrality of described image data；
S3：First frame image data of store video images is initialization data；
S4：Checking obtains each frame image data of terminal video equipment collection video image and the frame head of initialization data
Whether sign is consistent with frame data length；
If each frame image data for obtaining terminal video equipment collection video image and the frame head of initialization data are indicated
It is consistent with frame data length, then this frame data is stored, described this frame data are partial data；
If each frame image data for obtaining terminal video equipment collection video image and the frame head of initialization data are indicated
It is inconsistent with frame data length, then reacquire this frame data；
S5：With image recognition algorithm technology, etc. the quick comparison algorithm of Region homogenization direct access, indifference accurately compare
Algorithm calculates latter frame image data and previous frame image data in the described adjacent two frame video images data with integrality
Difference value.
S6：Obtain the discrepancy threshold of vedio data；
S7：Judge the difference value of adjacent two field pictures data and the relation of discrepancy threshold；
If the difference value of adjacent two field pictures data is more than or equal to discrepancy threshold, the adjacent two field pictures data are encoded
In latter frame image data；
If the difference value of adjacent two field pictures data is less than discrepancy threshold, in not encoding the adjacent two field pictures data
Latter frame image data.
In sum, in the VDI agreements that the present invention is provided in the method for reduction encoding video pictures data volume, by end
The vedio data of each frame is separated after the vedio data of end collection video equipment by video separation technology, with height
Effect video image comparison algorithm calculates the difference value between vedio data, with reference to regarding that Principle of Statistics intellectual analysis get
The regularity of the difference value of frequency view data, obtains discrepancy threshold, by the relation between comparing difference value and discrepancy threshold, sentences
Determine the state of video image, when difference value is less than discrepancy threshold, be judged to the state of geo-stationary, do not carry out the frame data
Coding and transmission；When difference value is more than or equal to discrepancy threshold, it is judged to the state of relative motion, then encodes and transmit the frame number
According to；Video image otherness of the present invention knows method for distinguishing, by the difference value and threshold of adjacent two frame video images data
Relationship Comparison selective coding and transmitting video image data between value, in the case of not influenceing video image successional,
The coding and transmission quantity of vedio data are reduced using Intelligent Multi layer compress technique, so as to reduce client cpu and network
The consumption of the resources such as bandwidth, lifts terminal capabilities, improves Consumer's Experience.In the difference of the adjacent two field pictures data for calculating video
Before value, the integrality of authentication image data, it is ensured that the integrality of frame data in vedio data, it is to avoid calculate difference value
When produce error, it is to avoid the erroneous judgement of video image state and cause Consumer's Experience to decline.It is preferred that the integrality of authentication image data
Method, be further ensured that the integrality of frame data in vedio data, it is to avoid calculate difference value when produce error, it is to avoid
The erroneous judgement of video image state and cause Consumer's Experience to decline.It is preferred that the calculating side of the difference value of adjacent two frame video images data
Method, to reduce the offer foundation of encoding video pictures data volume.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In scope of patent protection of the invention.
Claims (8)
1. a kind of method that encoding video pictures data volume is reduced in VDI agreements, it is characterised in that comprise the following steps：
Obtain each frame image data of video；
Calculate the difference value of the adjacent two field pictures data of the video；
Judge the difference value of adjacent two field pictures data and the relation of discrepancy threshold；
If the difference value of adjacent two field pictures data is more than or equal to discrepancy threshold, in encoding the adjacent two field pictures data
Latter frame image data；
If the difference value of adjacent two field pictures data is less than discrepancy threshold, after not encoding in the adjacent two field pictures data
One frame image data.
2. the method that encoding video pictures data volume is reduced in VDI agreements according to claim 1, it is characterised in that institute
It is further comprising the steps of after stating each frame image data of video " obtain "：
Verify the integrality of described image data；
View data of the storage with integrality.
3. the method that encoding video pictures data volume is reduced in VDI agreements according to claim 2, it is characterised in that institute
" integralities of checking described image data " are stated to comprise the following steps：
First frame image data of store video images is initialization data；
Checking obtain each frame image data of terminal video equipment collection video image and the frame head sign of initialization data and
Whether frame data length is consistent；
If obtaining each frame image data of terminal video equipment collection video image and the frame head sign and frame of initialization data
Data length is consistent, then store this frame data, and described this frame data are partial data；
If obtaining each frame image data of terminal video equipment collection video image and the frame head sign and frame of initialization data
Data length is inconsistent, then reacquire this frame data.
4. the method that encoding video pictures data volume is reduced in VDI agreements according to claim 1, it is characterised in that institute
" difference value for calculating adjacent two frame video images data " is stated to comprise the following steps：
With image recognition algorithm technology, etc. the accurate comparison algorithm meter of the quick comparison algorithm of Region homogenization direct access, indifference
Calculate the difference value of latter frame image data and previous frame image data in the adjacent two frame video images data.
5. the system that encoding video pictures data volume is reduced in a kind of VDI agreements, it is characterised in that including：
First acquisition module：Each frame image data for obtaining video；
Computing module：Difference value for calculating the adjacent two field pictures data of video；
Judge module：For judging the difference value of adjacent two field pictures data and the relation of discrepancy threshold.
6. the system that encoding video pictures data volume is reduced in VDI agreements according to claim 5, it is characterised in that also
Including：
First authentication module：Integrality for verifying described image data；
First memory module：For storing the view data with integrality.
7. the system that encoding video pictures data volume is reduced in VDI agreements according to claim 6, it is characterised in that also
Including：
Second memory module：The first frame image data for store video images is initialization data；
Second authentication module：Each frame image data and the initialization of terminal video equipment collection video image are obtained for verifying
Whether the frame head sign of data is consistent with frame data length.
8. the system that encoding video pictures data volume is reduced in VDI agreements according to claim 5, it is characterised in that bag
Include：
Computing module：For with image recognition algorithm technology, etc. the quick comparison algorithm of Region homogenization direct access, indifference essence
True comparison algorithm calculates the difference of latter frame image data and previous frame image data in the adjacent two frame video images data
Value.
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| CN111147865A (en) * | 2018-11-03 | 2020-05-12 | 广州灵派科技有限公司 | Pre-decoding method before video coding |
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| CN112954261A (en) * | 2021-03-18 | 2021-06-11 | 深圳奇实科技有限公司 | Video conference network flow control method and system |
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| CN112954261B (en) * | 2021-03-18 | 2021-09-10 | 深圳奇实科技有限公司 | Video conference network flow control method and system |
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Application publication date: 20170613 |