CN104581386B - A kind of television program playing method and system - Google Patents
A kind of television program playing method and system Download PDFInfo
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- CN104581386B CN104581386B CN201410811292.7A CN201410811292A CN104581386B CN 104581386 B CN104581386 B CN 104581386B CN 201410811292 A CN201410811292 A CN 201410811292A CN 104581386 B CN104581386 B CN 104581386B
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- television program
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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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Databases & Information Systems (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The present invention relates to a kind of television program playing method and system, this method is included in TV programme playing process, and television program image quality is monitored in real time；If monitoring, picture quality is less than preset value, and image is repaired, played out again after reparation.Present invention monitoring television program video quality real-time in TV programme playing process, if television program image quality is less than preset value, then repaired, to being played out again after picture quality reparation, so as to which the signal for avoiding terminal from receiving is low, poor image quality, image player is caused to come out fuzzy or incomplete incomplete problem so that user can normally watch TV programme, this is just brought great convenience to user, and Consumer's Experience has been ensured significantly.
Description
Technical field
The present invention relates to digital TV field, more particularly to a kind of television program playing method and system.
Background technology
At present, TV programme are all by front end delivery to terminal.During TV transmission, picture signal is easy
Influenceed by extraneous factors such as weather, signal wires, the signal for causing terminal to receive is low, poor image quality, causes image to broadcast
Release fuzzy or incomplete imperfect so that user can not normally watch TV programme, and this just brings greatly not to user
Just, Consumer's Experience is greatly reduced.
The content of the invention
In view of this, it is necessary to for above-mentioned TV programme signal easily it is impacted cause poor image quality the problem of, carry
For a kind of television program playing method and system.
A kind of television program playing method that the present invention is provided, comprises the following steps：
S10：In TV programme playing process, television program image quality is monitored in real time；
S20：If monitoring, picture quality is less than preset value, and image is repaired, played out again after reparation.
A kind of TV programme play system that the present invention is provided, including：
Picture quality monitoring unit, in TV programme playing process, is monitored to television program image quality in real time；
Picture quality repairs unit, if monitoring, picture quality is less than preset value, image is repaired, after reparation again
Play out.
Television program playing method of the present invention and system, the real-time monitoring television program figure in TV programme playing process
As quality, if television program image quality is less than preset value, repaired, to being played out again after picture quality reparation,
So as to which the signal for avoiding terminal from receiving is low, poor image quality, causing image player to come out, fuzzy or incompleteness is incomplete asks
Topic so that user can normally watch TV programme, and this is just brought great convenience to user, and Consumer's Experience has been ensured significantly.
Brief description of the drawings
Fig. 1 is the flow chart of the television program playing method in one embodiment；
Fig. 2 is the structure chart of the TV programme play system in one embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Fig. 1 is the flow chart of the television program playing method in one embodiment, as shown in figure 1, the video broadcasting method
Comprise the following steps：
S10：In TV programme playing process, television program image quality is monitored in real time.
TV programme are in playing process, and due to being transmission of the front end to terminal, the signal of TV programme is easily by shadow
The poor image quality rung and cause terminal to receive, therefore in this embodiment, in TV programme playing process, in real time to TV
Program video quality is monitored, to find the situation of poor image quality in time.Picture quality includes image resolution ratio, clear
Degree, brightness etc..
In further embodiment, step S10 is specially：It is real in TV programme playback terminal signal amplifier
When obtain picture signal signal to noise ratio, television program image quality is monitored in real time according to signal to noise ratio.The letter of picture signal
Make an uproar than the quality for best embodying out picture quality, thus by the real-time acquisition to signal to noise ratio can be effectively to picture quality carry out
Monitoring.
S20：If monitoring, picture quality is less than preset value, and image is repaired, played out again after reparation.
By the monitoring to picture quality, if picture quality goes wrong, image repair technology is enabled to picture quality
Repaired, so that image can be watched normally.
In this embodiment, the step is specially：If monitoring, the signal to noise ratio of picture signal is less than 70DB, picture quality
Less than preset value.If the signal to noise ratio of picture signal is less than 70DB, now picture quality goes wrong, it is necessary to be repaired.
In further embodiment, step S20 is repaired specially to image：It is list that picture signal is pressed into frame
Position is packed to each two field picture, and is first cached to buffer area；It is less than the image of preset value to picture quality, by the two field picture
Data carry out equal proportion segmentation, are divided into multiple small image blocks；According to variational PDEs, the abnormal small figure of quality is found out
As block；According to the picture quality of the small image block on the abnormal small image block periphery of quality, small image block abnormal to quality
Picture quality is smoothed, and is reintegrated and is played out again after being repaired.So, first by each frame in picture signal
Image is separated and cached, and is temporarily stored in buffer area.If a certain frame image quality is less than preset value, picture quality can not
Meet and require, then the two field picture equal proportion is now divided into multiple small image blocks.It can be looked for using variational PDEs
The problematic small image block of mass.It is usual in view of normal each small image block and small image block picture quality around it
Be not in mutation, the problematic small image block of quality then has larger difference, table with the small image block picture quality of surrounding
Reveal for fuzzy, unintelligible, mosaic etc., therefore this method is according to the small image block on the abnormal small image block periphery of quality
Picture quality, small image block picture quality abnormal to quality is smoothed.Smoothing processing can make quality not just
Normal small image block and the picture quality of the small image block on periphery are approached, will not difference it is too big.For example, abnormal small image block
For A, the small image block of surrounding is B, C, D and E, and picture quality is respectively b, c, d and e；So to according to b, c, d and e, entering to A
Row repair, enable its picture quality a and b, c, d and e smooth distribution, will not difference it is excessive.Quality is being not just after smoothed processing
Normal small image block and the picture quality of the small image block on periphery all it is enough it is smooth shows, will not show to obscure, unclear
The problems such as clear, mosaic, so as to be repaired to image so that image player, which comes out, will not obscure or incomplete imperfect, protect
Demonstrate,prove picture quality.
Further, if the picture quality of the two field picture has that large area is unsatisfactory for requirement, then according to this
Other small image blocks of frame in are repaired, and may not reach good repairing effect, therefore the step also includes：If the two field picture
The middle abnormal small image number of blocks of quality exceedes setting ratio, then front and rear some two field pictures of the two field picture is obtained, by quality
The same area of abnormal small image block and front and rear some two field pictures is compared, and smoothing processing is repaired.So, at this
When there is large area and be unsatisfactory for requiring in the picture quality of two field picture, using the picture quality of front and rear some two field picture same areas,
It is smoothed, is repaired using front and rear image, so as to ensures the normal play of image.
Meanwhile, this method also includes step S30：Record television program video quality is less than the position of preset value, and feeds back
To front end.The quality condition of TV programme can be so understood in time, be easy to the later stage to optimize and safeguard.
This method, the real-time monitoring television program video quality in TV programme playing process, if TV programme figure
As quality is less than preset value, then repaired, to being played out again after picture quality reparation, so that the letter for avoiding terminal from receiving
Number low, poor image quality, causes image player to come out fuzzy or incomplete incomplete problem so that user can normally watch
TV programme, this is just brought great convenience to user, and Consumer's Experience has been ensured significantly.
Meanwhile, the present invention also provides a kind of TV programme play system, as shown in Fig. 2 the system includes：
Picture quality monitoring unit 100, in TV programme playing process, is supervised to television program image quality in real time
Survey.
TV programme are in playing process, and due to being transmission of the front end to terminal, the signal of TV programme is easily by shadow
The poor image quality rung and cause terminal to receive, therefore in this embodiment, picture quality monitoring unit 100 is broadcast in TV programme
During putting, television program image quality is monitored in real time, to find the situation of poor image quality in time.Picture quality bag
Include the parameters such as image resolution ratio, definition, brightness.
In further embodiment, picture quality monitoring unit 100 is by TV programme playback terminal signal amplifier
The signal to noise ratio of middle real-time image acquisition signal, is monitored to television program image quality in real time according to signal to noise ratio.Picture signal
Signal to noise ratio best embody out the quality of picture quality, therefore by the real-time acquisition to signal to noise ratio can be effectively to picture quality
It is monitored.
Picture quality repairs unit 200, if monitoring, picture quality is less than preset value, and image is repaired, and repairs
Play out again afterwards.
By the monitoring to picture quality, if picture quality goes wrong, picture quality repairs unit 200 and then enables image
Recovery technique is repaired to picture quality, so that image can be watched normally.
In this embodiment, if picture quality monitoring unit 100 monitors that the signal to noise ratio of picture signal is less than 70DB, scheme
As quality is less than preset value.If the signal to noise ratio of picture signal is less than 70DB, now picture quality goes wrong, it is necessary to carry out
Repair.
In further embodiment, picture quality repair unit 200 by picture signal by frame be unit to each frame
Image is packed, and is first cached to buffer area；It is less than the image of preset value to picture quality, the frame image data is carried out etc.
Ratio is split, and is divided into multiple small image blocks；According to variational PDEs, the abnormal small image block of quality is found out；According to
The picture quality of the small image block on the abnormal small image block periphery of quality, small image block picture quality abnormal to quality is entered
Row smoothing processing, reintegrates after being repaired and plays out again.So, picture quality repairs unit 200 first by picture signal
In each two field picture separate and cached, temporarily stored in buffer area.If a certain frame image quality is less than preset value, figure
As quality can not meet requirement, then the two field picture equal proportion is now divided into multiple small image blocks.Utilize variation partial differential
Equation can find out the problematic small image block of quality.In view of normal each small image block and the small image block figure around it
As quality generally be not in mutation, the problematic small image block of quality then exists larger with the small image block picture quality of surrounding
Difference, show as fuzzy, unintelligible, mosaic etc., therefore this method is according to the abnormal small image block periphery of quality
Small image block picture quality, small image block picture quality abnormal to quality is smoothed.Smoothing processing can
Make the abnormal small image block of quality and the small image block on periphery picture quality approach, will not difference it is too big.For example, abnormal
Small image block be A, the small image block of surrounding is B, C, D and E, and picture quality is respectively b, c, d and e；So to according to b, c, d
And e, A is repaired, enables its picture quality a and b, c, d and e smooth distribution, will not difference it is excessive.After smoothed processing
The picture quality of the abnormal small image block of quality and the small image block on periphery is all enough smooth to be shown, will not show depanning
The problems such as paste, unintelligible, mosaic, so as to be repaired to image so that image player come out will not obscure or incompleteness not
Completely, it is ensured that picture quality.
Further, if the picture quality of the two field picture has that large area is unsatisfactory for requirement, then according to this
Other small image blocks of frame in are repaired, and may not reach good repairing effect, if therefore quality is abnormal in the two field picture
Small image number of blocks exceed setting ratio, picture quality repairs unit 200 and then obtains front and rear some two field pictures of the two field picture,
The same area of the abnormal small image block of quality and front and rear some two field pictures is compared, smoothing processing is repaired.This
Sample, when the picture quality of the two field picture has large area and is unsatisfactory for requiring, picture quality repairs unit 200 using front and rear some
The picture quality of two field picture same area, is smoothed, and is repaired using front and rear image, so as to ensure image just
Often play.
Meanwhile, the system also includes：Picture quality feedback unit 300, record television program video quality is less than preset value
Position, and feed back to front end.The quality condition of TV programme can be so understood in time, be easy to the later stage to optimize and tie up
Shield.
The system, the real-time monitoring television program video quality in TV programme playing process, if TV programme figure
As quality is less than preset value, then repaired, to being played out again after picture quality reparation, so that the letter for avoiding terminal from receiving
Number low, poor image quality, causes image player to come out fuzzy or incomplete incomplete problem so that user can normally watch
TV programme, this is just brought great convenience to user, and Consumer's Experience has been ensured significantly.
Television program playing method of the present invention and system, the real-time monitoring television program figure in TV programme playing process
As quality, if television program image quality is less than preset value, repaired, to being played out again after picture quality reparation,
So as to which the signal for avoiding terminal from receiving is low, poor image quality, causing image player to come out, fuzzy or incompleteness is incomplete asks
Topic so that user can normally watch TV programme, and this is just brought great convenience to user, and Consumer's Experience has been ensured significantly.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Any modifications, equivalent substitutions and improvements made within principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of television program playing method, it is characterised in that comprise the following steps：
S10：In TV programme playing process, television program image quality is monitored in real time；
S20：If monitoring, picture quality is less than preset value, and image is repaired, played out again after reparation；
The step S20 is specially：Picture signal is packed by frame for unit to each two field picture, and is first cached to caching
Area；It is less than the image of preset value to picture quality, the frame image data is subjected to equal proportion segmentation, multiple small images are divided into
Block；According to variational PDEs, the abnormal small image block of quality is found out；According to the abnormal small image block periphery of quality
The picture quality of small image block, small image block picture quality abnormal to quality is smoothed, after being repaired again
Integration is played out again.
2. television program playing method according to claim 1, it is characterised in that the step S10 is specially：By TV
The signal to noise ratio of real-time image acquisition signal in program playback terminal signal amplifier, according to signal to noise ratio in real time to television program image
Quality is monitored；
If monitoring, the signal to noise ratio of picture signal is less than 70DB, and picture quality is less than preset value.
3. television program playing method according to claim 1, it is characterised in that the step S20 is specially：If the frame
The abnormal small image number of blocks of quality exceedes setting ratio in image, then obtains front and rear some two field pictures of the two field picture, will
The same area of the abnormal small image block of quality and front and rear some two field pictures is compared, and smoothing processing is repaired.
4. television program playing method according to claim 1, it is characterised in that methods described also includes step S30：Note
Record television program image quality and be less than the position of preset value, and feed back to front end.
5. a kind of TV programme play system, it is characterised in that including：
Picture quality monitoring unit, in TV programme playing process, is monitored to television program image quality in real time；
Picture quality repairs unit, if monitoring, picture quality is less than preset value, and image is repaired, carried out again after reparation
Play；
It is that unit is packed to each two field picture by frame that described image quality, which repairs unit by picture signal, and is first cached to slow
Deposit area；It is less than the image of preset value to picture quality, the frame image data is subjected to equal proportion segmentation, multiple small images are divided into
Block；According to variational PDEs, the abnormal small image block of quality is found out；According to the abnormal small image block periphery of quality
The picture quality of small image block, small image block picture quality abnormal to quality is smoothed, after being repaired again
Integration is played out again.
6. TV programme play system according to claim 5, it is characterised in that described image quality monitor unit is by electricity
Depending on the signal to noise ratio of real-time image acquisition signal in program playback terminal signal amplifier, according to signal to noise ratio in real time to TV programme figure
As quality is monitored；If monitoring, the signal to noise ratio of picture signal is less than 70DB, and picture quality is less than preset value.
7. TV programme play system according to claim 5, it is characterised in that if quality is abnormal in the two field picture
Small image number of blocks exceedes setting ratio, and described image quality repairs front and rear some two field pictures that unit then obtains the two field picture,
The same area of the abnormal small image block of quality and front and rear some two field pictures is compared, smoothing processing is repaired.
8. TV programme play system according to claim 5, it is characterised in that the system also includes step：Image
Quality Feedback unit, record television program video quality is less than the position of preset value, and feeds back to front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811292.7A CN104581386B (en) | 2014-12-23 | 2014-12-23 | A kind of television program playing method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410811292.7A CN104581386B (en) | 2014-12-23 | 2014-12-23 | A kind of television program playing method and system |
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| Publication Number | Publication Date |
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| CN104581386A CN104581386A (en) | 2015-04-29 |
| CN104581386B true CN104581386B (en) | 2017-11-07 |
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| CN201410811292.7A Expired - Fee Related CN104581386B (en) | 2014-12-23 | 2014-12-23 | A kind of television program playing method and system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108449543A (en) * | 2018-03-14 | 2018-08-24 | 广东欧珀移动通信有限公司 | Image synthetic method, device, computer storage media and electronic equipment |
| CN109257647A (en) * | 2018-10-31 | 2019-01-22 | 南昌努比亚技术有限公司 | Video image compensation method, mobile terminal and readable storage medium storing program for executing |
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| CN102263982A (en) * | 2010-05-31 | 2011-11-30 | 北京创毅视讯科技有限公司 | Method and device for improving moving visibility of analogue television |
| CN102595024A (en) * | 2011-12-16 | 2012-07-18 | 飞狐信息技术（天津）有限公司 | Method and device for restoring digital video images |
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| US9036977B2 (en) * | 2007-03-22 | 2015-05-19 | Microsoft Technology Licensing, Llc | Automatic detection, removal, replacement and tagging of flash frames in a video |
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- 2014-12-23 CN CN201410811292.7A patent/CN104581386B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN101375588A (en) * | 2006-01-27 | 2009-02-25 | 微软公司 | Region-based image denoising |
| CN101521832A (en) * | 2009-03-16 | 2009-09-02 | 广州杰赛科技股份有限公司 | Monitoring system and monitoring method for signal quality of television networks |
| CN101807292A (en) * | 2010-01-07 | 2010-08-18 | 清华大学 | Image denoising method |
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