CN106792156A - Lift the method and device of Internet video definition - Google Patents
Lift the method and device of Internet video definition Download PDFInfo
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- CN106792156A CN106792156A CN201611126915.2A CN201611126915A CN106792156A CN 106792156 A CN106792156 A CN 106792156A CN 201611126915 A CN201611126915 A CN 201611126915A CN 106792156 A CN106792156 A CN 106792156A
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- 230000009467 reduction Effects 0.000 claims description 67
- 230000005484 gravity Effects 0.000 claims description 32
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
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Classifications
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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
-
- 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
- H04N21/440281—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 temporal resolution, e.g. by frame skipping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
- H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The present invention discloses a kind of method and device for lifting Internet video definition, and the method for the wherein lifting Internet video definition is comprised the following steps：The data of Internet video are received, decoding obtains the resolution ratio and code check of Internet video；According to the resolution ratio and code check of current network video, calculate the image quality penalty coefficient of current resolution respectively, and code check image quality penalty coefficient；The image quality penalty coefficient of image quality penalty coefficient and code check according to resolution ratio, adjusts the definition of Internet video.Technical solution of the present invention improves definition when Internet video is played.
Description
Technical field
The present invention relates to technical field of video processing, more particularly to a kind of method and dress for lifting Internet video definition
Put.
Background technology
The television set of current more and more families watches TV or video using network, and Internet video is due to the network bandwidth
Limitation, (namely code check is very low) typically all compressed by height ratio, its image quality performance has with the TV signal of standard
Larger difference.And current television set is primarily directed to the signal of radio and television for the treatment of image quality, image quality adjustment according to
According to the resolution ratio for being film source, method of adjustment is as the increase of resolution ratio reduces noise reduction and reduces acutance.
This image quality adjustment process does not account for the adjustment of the code check of Internet video, so for high-resolution and low code
The Internet video of rate, often causes fogging image because sinking is made an uproar.
The content of the invention
The main object of the present invention is to provide a kind of method for lifting Internet video definition, it is intended to improves Internet video and broadcasts
Definition when putting.
To achieve the above object, the present invention proposes a kind of method for lifting Internet video definition, comprises the following steps：
The data of Internet video are received, decoding obtains the resolution ratio and code check of Internet video；
According to the resolution ratio and code check of current network video, the image quality penalty coefficient of current resolution is calculated respectively, and
The image quality penalty coefficient of code check；
The image quality penalty coefficient of image quality penalty coefficient and code check according to the resolution ratio, adjusts the clear of Internet video
Degree.
Preferably, the resolution ratio and code check according to current network video, calculates the image quality of current resolution respectively
Penalty coefficient, and code check image quality penalty coefficient the step of include：
According to the resolution ratio and code check of current network video, default noise reduction function and acutance function are called, calculated respectively
Go out the noise reduction penalty coefficient and acutance penalty coefficient of current resolution ratio, and noise reduction penalty coefficient and the acutance compensation of code check are
Number.
Preferably, the image quality penalty coefficient and the image quality penalty coefficient of code check according to the resolution ratio, adjusts network
The step of definition of video, includes：
Noise reduction penalty coefficient and acutance penalty coefficient according to current resolution ratio, and the noise reduction penalty coefficient of code check and sharp
Degree penalty coefficient, noise reduction coefficient and acutance coefficient needed for being calculated adjustment Internet video definition, according to noise reduction coefficient and
Acutance coefficient, adjusts the definition of Internet video.
Preferably, the image quality penalty coefficient and the image quality penalty coefficient of code check according to the resolution ratio, adjusts network
The step of definition of video, further includes：
The specific gravity factor of specific gravity factor and code check according to resolution ratio, adjusts the definition of Internet video.
Preferably, the specific gravity factor sum of the specific gravity factor of the resolution ratio and code check is 1, the proportion system of the resolution ratio
Several scopes is 0.6~0.8 and the scope of the specific gravity factor of the code check is 0.2~0.4.
Also a kind of device for lifting Internet video definition of the present invention, including：
Decoder module, the data for receiving Internet video, decoding obtains the resolution ratio and code check of Internet video；
Computing module, for resolution ratio and code check according to current network video, calculates the picture of current resolution respectively
Matter penalty coefficient, and code check image quality penalty coefficient；
Adjusting module, for image quality penalty coefficient and the image quality penalty coefficient of code check according to the resolution ratio, adjusts net
The definition of network video.
Preferably, the computing module specifically for：
According to the resolution ratio and code check of current network video, default noise reduction function and acutance function are called, calculated respectively
Go out the noise reduction penalty coefficient and acutance penalty coefficient of current resolution ratio, and noise reduction penalty coefficient and the acutance compensation of code check are
Number.
Preferably, the adjusting module specifically for：
Noise reduction penalty coefficient and acutance penalty coefficient according to current resolution ratio, and the noise reduction penalty coefficient of code check and sharp
Degree penalty coefficient, noise reduction coefficient and acutance coefficient needed for being calculated adjustment Internet video definition, according to noise reduction coefficient and
Acutance coefficient, adjusts the definition of Internet video.
Preferably, the adjusting module is additionally operable to：
The specific gravity factor of specific gravity factor and code check according to resolution ratio, adjusts the definition of Internet video.
Preferably, the specific gravity factor sum of the specific gravity factor of the resolution ratio and code check is 1, the proportion system of the resolution ratio
Several scopes is 0.6~0.8 and the scope of the specific gravity factor of the code check is 0.2~0.4.
Technical solution of the present invention is decoded by the data of the Internet video that will be received, and obtains the resolution of Internet video
Rate and code check, according to resolution ratio and code check, calculate the image quality penalty coefficient of current resolution respectively, and the image quality of code check is compensated
Coefficient, is adjusted to definition.For the Internet video of high compression ratio, technical solution of the present invention is simultaneously to resolution ratio and code check
Compensation is adjusted, relatively existing image quality adjustment simply adjusts resolution ratio, and inventive technique scheme effectively increases Internet video
Definition during broadcasting.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the flow chart of the embodiment of method one of present invention lifting Internet video definition；
Fig. 2 is the noise reduction function curve synoptic diagram of resolution ratio of the present invention；
Fig. 3 is the acutance function curve schematic diagram of resolution ratio of the present invention；
Fig. 4 is the noise reduction function curve synoptic diagram of code check of the present invention；
Fig. 5 is the acutance function curve schematic diagram of code check of the present invention；
Fig. 6 is the functional block diagram of the device of present invention lifting Internet video definition.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific 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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each part etc. are explained, if should
When particular pose changes, then directionality indicates also correspondingly to change therewith.
In addition, it is related to the description of " first ", " second " etc. to be only used for describing purpose in the present invention, and it is not intended that referring to
Show or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " are defined
Two " at least one this feature can be expressed or be implicitly included to feature.In addition, the technical scheme between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme occurs
It is conflicting or when cannot realize it will be understood that the combination of this technical scheme does not exist, also not in the protection model of application claims
Within enclosing.
The present invention proposes a kind of method for lifting Internet video definition.
Reference picture 1, in embodiments of the present invention, the method for the lifting Internet video definition, comprise the following steps：
S100, the data for receiving Internet video, decoding obtain the resolution ratio and code check of Internet video；
S200, resolution ratio and code check according to current network video, calculate the image quality compensation system of current resolution respectively
Number, and code check image quality penalty coefficient；
The image quality penalty coefficient of S300, the image quality penalty coefficient according to the resolution ratio and code check, adjustment Internet video
Definition.
It should be noted that the height of the definition of video is related to resolution ratio and code check.Under normal circumstances, resolution ratio is got over
Greatly, code check is bigger, and the definition of video is also higher.
Internet video, due to the limitation of network broadband, is compressed by height ratio, and its code check is relatively low.Carrying out video
During broadcasting, generally the resolution ratio of video and code check are adjusted, to obtain best definition.Set in the embodiment of the present invention
Put formula：
Definition=resolution ratio * (b1* noise reduction+c1* acutancees)+code check * (b2* noise reduction+c2* acutancees)；
Wherein, b1 is the related noise reduction coefficient of resolution ratio, and c1 is the related acutance coefficient of resolution ratio, and b1 and c1 is resolution
The image quality penalty coefficient of rate；
B2 is the related noise reduction coefficient of code check, and c2 is the related acutance coefficient of code check, and the image quality that b2 and c2 is code check is mended
Repay coefficient.
As shown from the above formula, according to the resolution ratio and code check of video, corresponding image quality compensating parameter is calculated, is realized most
Big broadcasting definition.
Technical solution of the present invention is decoded by the data using the Internet video that will be received, and obtains Internet video
Resolution ratio and code check, by resolution ratio and code check, calculate the image quality penalty coefficient of current resolution respectively, and code check image quality
Penalty coefficient, then corresponding adjustment definition.For the Internet video of high compression ratio, technical solution of the present invention simultaneously to resolution ratio and
Code check is adjusted compensation, and relatively existing image quality adjustment simply adjusts resolution ratio, and inventive technique scheme effectively increases network
Definition during video playback.
Specifically, the resolution ratio and code check according to current network video, calculates the image quality of current resolution respectively
Penalty coefficient, and code check image quality penalty coefficient the step of include：
According to the resolution ratio and code check of current network video, default noise reduction function and acutance function are called, calculated respectively
Go out the noise reduction penalty coefficient and acutance penalty coefficient of current resolution ratio, and noise reduction penalty coefficient and the acutance compensation of code check are
Number.
Reference picture 2 and Fig. 3, generally, the standard resolution signal exported using reference instrument adjusts each different
Noise reduction coefficient b1 and acutance coefficient c1 below resolution ratio cause that image reaches preferable definition, draw respectively one group with point
Noise reduction numerical value and acutance numerical value that resolution changes and changes, can be calculated with change resolution by exponential smoothing algorithm
Noise reduction curve B1=fb1 (resolution ratio) of adjustment, acutance C1=fc1 (resolution ratio).
Reference picture 4 and Fig. 5, similarly, under a certain resolution ratio, reduce video code rate, by adjust noise reduction coefficient b2 (with
Code check is reduced and increases noise reduction) and acutance coefficient c2 (reducing acutance with code check reduction) so that the definition of low bit- rate is obtained
To compensation, the effect close with code check definition high is reached.Under each different code check, have recorded one group of noise reduction coefficient b2 and
One group of acutance coefficient c2, the noise reduction curve B2=fb2 (codes that can be adjusted in the hope of changing with code check by exponential smoothing algorithm
Rate) and acutance C2=fc2 (code check).
Therefore, the noise reduction function and the data of acutance function that will be obtained are pre-loaded to need the display device of compensation, root
According to different resolution ratio and code check, by calling noise reduction function and acutance function, the noise reduction compensation system of resolution ratio can be just calculated
Number and acutance penalty coefficient, and code check noise reduction penalty coefficient and acutance penalty coefficient.
Further, the image quality penalty coefficient and the image quality penalty coefficient of code check according to the resolution ratio, adjusts net
The step of definition of network video, includes：
Noise reduction penalty coefficient and acutance penalty coefficient according to current resolution ratio, and the noise reduction penalty coefficient of code check and sharp
Degree penalty coefficient, noise reduction coefficient and acutance coefficient needed for being calculated adjustment Internet video definition, according to noise reduction coefficient and
Acutance coefficient, adjusts the definition of Internet video.
Synthetic resolution and the effect with code check, can calculate：
Noise reduction function curve：B=B1+B2=fb1 (resolution ratio)+fb2 (code check)
Acutance function curve：C=C1+C2=fc1 (resolution ratio)+fc2 (code check)
Further, the image quality penalty coefficient and the image quality penalty coefficient of code check according to the resolution ratio, adjusts net
The step of definition of network video, further includes：
The specific gravity factor of specific gravity factor and code check according to resolution ratio, adjusts the definition of Internet video.
Further, the specific gravity factor sum of the specific gravity factor of resolution ratio and code check is 1, the model of the specific gravity factor of resolution ratio
The scope for enclosing the specific gravity factor for 0.6~0.8 and code check is 0.2~0.4.
What deserves to be explained is, influence proportion of influence and code check of the resolution ratio to video definition to video definition is not
The same, it is the definition for further optimizing video playback, the shadow of resolution ratio and code check to definition is measured according to actual experiment
Proportion is rung, formula is set：
Definition=a1* resolution ratio * (b1* noise reduction+c1* acutancees)+a2* code checks * (b2* noise reduction+c2* acutancees)；
Wherein, b1 is the related noise reduction coefficient of resolution ratio, and c1 is the related acutance coefficient of resolution ratio, and b1 and c1 is resolution
The image quality penalty coefficient of rate；
B2 is the related noise reduction coefficient of code check, and c2 is the related acutance coefficient of code check, and the image quality that b2 and c2 is code check is mended
Repay coefficient；
A1 is the specific gravity factor of resolution ratio, and a2 is the specific gravity factor of code check.A1 and a2 sums are 1, therefore, when a1 and a2 its
One of setting when, another one is also determined that.For example when a1 values are 0.7, a2 values are 0.3.
By the invention it is possible to lift image definition of the Internet video of low bit- rate when playing so that user obtains
More preferable image quality experience.
Reference picture 6, based on the method for above-mentioned lifting Internet video definition, also a kind of lifting Internet video of the present invention is clear
The device of degree, the device can be television set, can especially receive the television set of network signal, and the device includes：
Decoder module 10, the data for receiving Internet video, decoding obtains the resolution ratio and code check of Internet video；
Computing module 20, for resolution ratio and code check according to current network video, calculates current resolution respectively
Image quality penalty coefficient, and code check image quality penalty coefficient；
Adjusting module 30, for image quality penalty coefficient and the image quality penalty coefficient of code check according to the resolution ratio, adjustment
The definition of Internet video.
Preferably, the computing module 20 specifically for：
According to the resolution ratio and code check of current network video, default noise reduction function and acutance function are called, calculated respectively
Go out the noise reduction penalty coefficient and acutance penalty coefficient of current resolution ratio, and noise reduction penalty coefficient and the acutance compensation of code check are
Number.
Preferably, the adjusting module 30 specifically for：
Noise reduction penalty coefficient and acutance penalty coefficient according to current resolution ratio, and the noise reduction penalty coefficient of code check and sharp
Degree penalty coefficient, noise reduction coefficient and acutance coefficient needed for being calculated adjustment Internet video definition, according to noise reduction coefficient and
Acutance coefficient, adjusts the definition of Internet video.
Specifically, the adjusting module 30 is additionally operable to：The specific gravity factor of specific gravity factor and code check according to resolution ratio, adjustment
The definition of Internet video.
Further, the specific gravity factor sum of the specific gravity factor of resolution ratio and code check is 1, the model of the specific gravity factor of resolution ratio
The scope for enclosing the specific gravity factor for 0.6~0.8 and code check is 0.2~0.4.
The present invention for Internet video code check it is relatively low definition can be caused to decline the characteristics of, by recognizing Internet video
Code check and resolution ratio, and simultaneously according to code check and resolution ratio come adjust automatically image quality compensating parameter so that playing low bit- rate
Strengthen noise reduction during network film source, reduce acutance, so that picture is apparent when ensureing to play Internet video.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in scope of patent protection of the invention in other related technical fields.
Claims (10)
1. it is a kind of lifted Internet video definition method, it is characterised in that comprise the following steps：
The data of Internet video are received, decoding obtains the resolution ratio and code check of Internet video；
According to the resolution ratio and code check of current network video, the image quality penalty coefficient of current resolution, and code check are calculated respectively
Image quality penalty coefficient；
The image quality penalty coefficient of image quality penalty coefficient and code check according to the resolution ratio, adjusts the definition of Internet video.
2. the method for lifting Internet video definition as claimed in claim 1, it is characterised in that described to be regarded according to current network
The resolution ratio and code check of frequency, calculate the image quality penalty coefficient of current resolution respectively, and the image quality penalty coefficient of code check step
Suddenly include：
According to the resolution ratio and code check of current network video, default noise reduction function and acutance function are called, calculate work as respectively
The noise reduction penalty coefficient and acutance penalty coefficient of preceding resolution ratio, and code check noise reduction penalty coefficient and acutance penalty coefficient.
3. the method for lifting Internet video definition as claimed in claim 2, it is characterised in that described according to the resolution ratio
Image quality penalty coefficient and code check image quality penalty coefficient, adjust Internet video definition the step of include：
Noise reduction penalty coefficient and acutance penalty coefficient according to current resolution ratio, and the noise reduction penalty coefficient and acutance of code check are mended
Coefficient is repaid, noise reduction coefficient and acutance coefficient needed for being calculated adjustment Internet video definition, according to noise reduction coefficient and acutance
Coefficient, adjusts the definition of Internet video.
4. the method for lifting Internet video definition as claimed in claim 1, it is characterised in that described according to the resolution ratio
Image quality penalty coefficient and code check image quality penalty coefficient, adjust Internet video definition the step of further include：
The specific gravity factor of specific gravity factor and code check according to resolution ratio, adjusts the definition of Internet video.
5. the method for lifting Internet video definition as claimed in claim 4, it is characterised in that the proportion system of the resolution ratio
The specific gravity factor sum of number and code check is 1, and the scope of the specific gravity factor of the resolution ratio is 0.6~0.8, the proportion of the code check
The scope of coefficient is 0.2~0.4.
6. it is a kind of lifted Internet video definition device, it is characterised in that including：
Decoder module, the data for receiving Internet video, decoding obtains the resolution ratio and code check of Internet video；
Computing module, for resolution ratio and code check according to current network video, the image quality that current resolution is calculated respectively is mended
Repay coefficient, and code check image quality penalty coefficient；
Adjusting module, for image quality penalty coefficient and the image quality penalty coefficient of code check according to the resolution ratio, adjusts network video
The definition of frequency.
7. the device of Internet video definition is lifted as claimed in claim 6, it is characterised in that the computing module is specifically used
In：
According to the resolution ratio and code check of current network video, default noise reduction function and acutance function are called, calculate work as respectively
The noise reduction penalty coefficient and acutance penalty coefficient of preceding resolution ratio, and code check noise reduction penalty coefficient and acutance penalty coefficient.
8. the device of Internet video definition is lifted as claimed in claim 7, it is characterised in that the adjusting module is specifically used
In：
Noise reduction penalty coefficient and acutance penalty coefficient according to current resolution ratio, and the noise reduction penalty coefficient and acutance of code check are mended
Coefficient is repaid, noise reduction coefficient and acutance coefficient needed for being calculated adjustment Internet video definition, according to noise reduction coefficient and acutance
Coefficient, adjusts the definition of Internet video.
9. the device of Internet video definition is lifted as claimed in claim 6, it is characterised in that the adjusting module is also used
In：
The specific gravity factor of specific gravity factor and code check according to resolution ratio, adjusts the definition of Internet video.
10. the device of Internet video definition is lifted as claimed in claim 9, it is characterised in that the proportion of the resolution ratio
The specific gravity factor sum of coefficient and code check is 1, and the scope of the specific gravity factor of the resolution ratio is 0.6~0.8, the ratio of the code check
The scope of weight coefficient is 0.2~0.4.
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| CN109982140A (en) * | 2017-12-28 | 2019-07-05 | 优酷网络技术（北京）有限公司 | Video broadcasting method and device |
| CN110691272A (en) * | 2019-10-18 | 2020-01-14 | 四川长虹电器股份有限公司 | Method for improving image display effect and video playing effect |
| CN112565634A (en) * | 2020-12-11 | 2021-03-26 | 中仪英斯泰克进出口有限公司 | Rebroadcasting vehicle with ultrahigh-definition production and broadcast system |
| CN113573142A (en) * | 2021-09-22 | 2021-10-29 | 北京海誉动想科技股份有限公司 | Resolution adjustment method and device |
| CN113784108A (en) * | 2021-08-25 | 2021-12-10 | 盐城香农智能科技有限公司 | VR (virtual reality) tour and sightseeing method and system based on 5G transmission technology |
| CN114208164A (en) * | 2019-08-16 | 2022-03-18 | 影石创新科技股份有限公司 | Method for dynamically controlling video coding rate, intelligent equipment and motion camera |
| CN115623216A (en) * | 2021-07-15 | 2023-01-17 | 广州迈聆信息科技有限公司 | Video coding method and device, intelligent equipment and storage medium |
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