CN107040812A - A kind of video image control method and intelligent television - Google Patents
A kind of video image control method and intelligent television Download PDFInfo
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- CN107040812A CN107040812A CN201710242085.8A CN201710242085A CN107040812A CN 107040812 A CN107040812 A CN 107040812A CN 201710242085 A CN201710242085 A CN 201710242085A CN 107040812 A CN107040812 A CN 107040812A
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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, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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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
- H04N21/4424—Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used
-
- 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
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
Abstract
This application discloses a kind of video image control method and intelligent television, methods described includes, and receives vision signal state change information；Whether the vision signal state that current video frame is determined according to the vision signal state change information is abnormality；If the vision signal state of the current video frame is abnormality, video image is controlled according to the video image information of a upper frame of video, until the vision signal state of frame of video changes.Disclosed method effectively solves to obtain the problem of vision signal state is caused to take processor computing resource for a long time in real time.
Description
Technical field
The application is related to video image field, more particularly to a kind of video image control method and intelligent television.
Background technology
The video image that television equipment is shown, the backlight illumination included in video source, contrast, color saturation etc. are regarded
Frequency image information, which is integrated, to be embodied, and the video image information in each frame video image is different, it is therefore desirable to dynamic in real time
Control the display of video image.
By taking dynamic backlight control as an example, Fig. 1 is that a kind of TV dynamic backlight control system structure that prior art is provided is shown
It is intended to.As shown in figure 1, television system includes display 1, CPU2 and video processor 3, wherein, backlight mould is set in display 1
Backlight 11 is set on group and backlight drive circuit, backlight module, and backlight drive circuit driving backlight 11 works；Video processing
Set in device 3 and Dynamic Backlight Algorithm module and backlight control module are set in Video decoding module, CPU2.Due to regarding for frame of video
There is normal condition in frequency signal condition, and no signal, None- identified or the abnormality such as do not support, when frame of video is abnormal shape
During state, frame of video just can not normally be shown.Therefore, it is necessary to first determine each frame frame of video before each frame frame of video is shown
Vision signal state.Idiographic flow is as follows：After video processor 3 receives frame of video, by Video decoding module to working as forward sight
Frequency frame decoding, and decode the brightness value information of current video frame.Meanwhile, CPU2 sends a request to video processor in real time
Instruction, active request obtains vision signal state from Video decoding module, and Video decoding module received after request instruction, to dynamic
The vision signal state of state Backlight Algorithm module feedback current video frame, so as to realize that the real-time active obtaining of Backlight Algorithm module is regarded
Frequency signal condition.If vision signal state is normal condition, control Dynamic Backlight Algorithm module is obtained from Video decoding module
Brightness value information is taken, and backlight value is calculated according to algorithm set in advance, finally by backlight control module according to the backlight value
Control backlight drive circuit work；If vision signal state is abnormality, control Dynamic Backlight Algorithm module stop from
Video decoding module obtains brightness value information, makes backlight value keep the backlight value of a upper frame of video constant, finally by backlight control
Module controls backlight drive circuit work according to the backlight value of a upper frame of video.
But, CPU2 needs to send the request instruction actively acquisition vision signal state from video processor in real time, so that
CPU2 computing resource is taken for a long time.
The content of the invention
This application provides a kind of video image control method and intelligent television, need to send request in real time to solve CPU2
Instruction actively obtains vision signal state from video processor, so that the problem of taking CPU2 computing resource for a long time.
In a first aspect, this application provides a kind of video image control method, including：
Receive vision signal state change information；
Whether the vision signal state that current video frame is determined according to the vision signal state change information is abnormal shape
State；
If the vision signal state of the current video frame is abnormality, according to the video image of a upper frame of video
Information controls video image, until the vision signal state of frame of video changes.
Second aspect, present invention also provides a kind of video image control method, including：
The vision signal state of frame of video is monitored in real time；
If monitoring that the vision signal state of frame of video changes, vision signal state change information is sent to place
Manage in device.
The third aspect, present invention also provides a kind of intelligent television, including processor, video processor, display and is deposited
Reservoir, wherein：
The memory, for store program codes；
The processor, for reading the program code in the memory, and performs the method described in first aspect；
The video processor, for reading the program code in the memory, and performs the side described in second aspect
Method；
The display is electrically connected with the processor, the video image information sent for reception processing device, and according to
The video image information shows video image.
Disclosed method includes following beneficial effect：When playing video image, processor without sending in real time
Request instruction, request video processor feeds back the vision signal state of each frame frame of video, but control video processor is monitored
The change of vision signal state.If vision signal state changes, processor receives the video that video processor is sent
Signal condition change information, and current video signal state is determined according to vision signal state change information, so that, control video
The image control mold performs corresponding operation according to current video signal state, as long as no receiving vision signal state change
Information, operation corresponding with current video signal state is performed in ensuing each frame frame of video automatically, until video letter
After number state changes, control video image control module stops current operation, performs the shape after vision signal state change
The corresponding operation of state.Seen from the above description, processor is after monitoring that vision signal state changes, after change
Vision signal state performs corresponding operation, without the vision signal state of each frame frame of video of real-time active obtaining, because
This takes the computing resource of processor without long-time, and the service efficiency of processor computing resource is improved indirectly, improves processor
Processing speed.
In addition, when receiving zapping instruction, because video processor needs to discharge current video resource and obtains newly
Video resource, during Switch Video resource, vision signal state labile, if now still monitoring video signal shape
The change of state, can cause processor frequently to take processor computing resource in switching time section, and show screen display
Picture is constantly redirected.Therefore, when receiving zapping instruction, the stabilization of video processor monitoring video signal state is controlled, when
Monitoring video signal state is further continued for after vision signal is in stable condition, during this period, display background figure on display can be controlled
Picture, or previous frame video image picture so that solve processor switching time section in frequently take processor calculate money
The problem of source, meanwhile, picture effect and Consumer's Experience when improving zapping.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of TV dynamic backlight control system structural representation that prior art is provided；
The schematic flow sheet of embodiment one that Fig. 2 provides for the application；
The schematic flow sheet of embodiment two that Fig. 3 provides for the application；
The schematic flow sheet of embodiment three that Fig. 4 provides for the application；
The example IV schematic flow sheet that Fig. 5 provides for the application；
The schematic flow sheet for the step S401 that Fig. 6 provides for the embodiment of the present application；
Another schematic flow sheet for the step S401 that Fig. 7 provides for the embodiment of the present application；
The schematic flow sheet of embodiment five that Fig. 8 provides for the application；
The schematic flow sheet of embodiment six that Fig. 9 provides for the application；
The dynamic backlight control system structural representation that Figure 10 provides for the embodiment of the present application.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the present invention.
In the prior art, before each frame frame of video is shown, it is thus necessary to determine that the vision signal state of frame of video, therefore,
Processor is needed to send request instruction to video processor, and the vision signal state of acquisition request frame of video still, is determined every time
During the vision signal state of frame of video, it is required to take CPU computing resource.Method disclosed in the embodiment of the present application, effectively solution
The problem of certainly taking CPU computing resources for a long time because the vision signal state of frame of video is determined.
Embodiment one
Referring to Fig. 2, the schematic flow sheet of embodiment one provided for the embodiment of the present application.
In step S101, vision signal state change information is received.
In the embodiment of the present application, after frame of video is received, the vision signal state of each frame frame of video is no longer determined, and
It is the vision signal situation of change for monitoring frame of video, according to the vision signal situation of change of frame of video, determines the display of frame of video.
In the embodiment of the present application, after television equipment start, the vision signal shape of video processor automatic detection frame of video
State, after the vision signal state for detecting frame of video changes, vision signal state change information is sent to processor.Or
Person, after video processor receives frame of video, processor sends vision signal status monitoring to video processor and instructed, control
Video processor monitors the vision signal state of frame of video.
In step s 102, according to vision signal state change information determine current video frame vision signal state whether
For abnormality.
It can determine that whether the vision signal state of current video frame is changed into different according to the vision signal status information of frame of video
Normal state, or, determine whether the vision signal state of current video frame is changed into normal condition, it is each so there is no need to judge
The vision signal state of frame frame of video, it is only necessary to which current operation is changed according to vision signal state change information.
The vision signal state of current video frame is can determine that according to vision signal state change information, if current video frame
Vision signal state be normal condition, then illustrate vision signal state by abnormality become turn to normal condition, if currently
The vision signal state of frame of video is abnormality, then illustrates that vision signal state is become by normal condition and turn to abnormality.Together
Sample, if vision signal state change information, which represents that vision signal state is become by normal condition, turns to abnormality, illustrate
Current video frame for abnormality, if vision signal state change information represents that vision signal state is changed by abnormality
For normal condition, then it is normal condition to illustrate current video frame.
In step s 103, if the vision signal state of current video frame is abnormality, according to a upper frame of video
Video image information control video image, until the vision signal state of frame of video changes.
When it is determined that the vision signal state of current video frame is abnormality, illustrate the signal condition of frame of video by normal
State change is abnormality, now, and control processor changes current operation.Because during abnormality, frame of video can not be normal
It has been shown that, may show blank screen or default background image, therefore, and now control processor is according to the video of a upper frame of video
Image information controls video image.
If the vision signal state of ensuing each frame frame of video is abnormality, control processor is according to upper
The video image information control video image of one frame of video.Become that is, being not received by vision signal state in processor
When changing information, the vision signal state for illustrating frame of video is abnormality, and now, processor need not obtain each frame video
The vision signal state of frame, is automatically handled each frame frame of video by abnormality, until the video for receiving frame of video is believed
Number state change information, that is, until the vision signal state of frame of video changes.
Seen from the above description, the change of video processor monitoring video signal state is controlled in the embodiment of the present application,
When monitoring that vision signal state is changed into abnormality, control next each frame frame of video processing according to abnormality at
Reason, until the vision signal state of frame of video changes.It therefore, there is no need to obtain the vision signal shape of each frame frame of video
State, it is only necessary to according to vision signal state change information, automatic execution is corresponding with current video frame video signal status information
Operation, is other so that CPU computing resource will not be taken for a long time until the vision signal state of frame of video changes
Operation provides computing resource, accelerates CPU processing speed.
Embodiment two
Referring to Fig. 3, the schematic flow sheet of embodiment two provided for the embodiment of the present application.
In step s 201, vision signal state change information is received.
In step S202, according to vision signal state change information determine current video frame vision signal state whether
For abnormality.
Step S201 and step S202 refer to step S101 and step S102 in embodiment one, will not be repeated here.
In step S203, if the vision signal state of current video frame is normal condition, each video is calculated
The video image information of frame, and video image is controlled according to the video image information, until the vision signal shape of frame of video
State changes.
If the vision signal state of current video frame is normal condition, illustrate that vision signal state is changed into from abnormality
Normal condition, now, processor change current operation, and operation change when by frame of video being abnormality is normal condition correspondence
Operation, calculate the video image information of each frame of video, according to video image information control video image, until frame of video
Vision signal state change.
By taking dynamic backlight control as an example, if determining that current video signal state is according to vision signal state change information
Normal condition, then control video processor to calculate the brightness value information of each frame frame of video, and obtain the bright of each frame frame of video
Angle value information, calculates backlight value, control dynamic backlight control module is according to the backlight value drive circuit work according to preset algorithm
Make, until the vision signal state of frame of video changes.
Seen from the above description, in the embodiment of the present application, current video is being determined according to vision signal state change information
When the vision signal state of frame is normal condition, the video image information of each frame of video is calculated, and according to the video figure
As information controls video image, until the vision signal state of frame of video changes, it is therefore not necessary to obtain each frame of video
Vision signal state, without long-time take CPU computing resource, by the CPU computing resources saved be used for its
It is operated, and increases CPU processing speed.
Embodiment three
Referring to Fig. 4, the schematic flow sheet of embodiment three provided for the embodiment of the present application.
In step S301, vision signal state change information is received.
In step s 302, the signal condition change mark carried in vision signal status information is obtained.
In step S303, changed according to signal condition and marked, whether the vision signal state for determining frame of video is abnormal
State.
Obtaining the conventional meanses of vision signal state of current video frame is, when receiving vision signal state change information
When, processor sends request instruction to video processor, and the vision signal state of current video frame is obtained from video processor.
And in the embodiment of the present application, after vision signal state change information is received, from vision signal state change letter
Signal condition change mark can be obtained in breath.For example, carry 1-0 signal condition change in vision signal state change information
Mark, 1-0 marks represent that vision signal state is become by normal condition and turn to abnormality, therefore, when vision signal state change
When mark 1-0 is carry in information, marked according to 1-0 and can determine that the vision signal state of current video frame for abnormality.Together
Reason, mark 0-1 represents that vision signal state is become by abnormality and turns to normal condition, accordingly, it can be determined that current video frame is regarded
Frequency signal condition is normal condition.Wherein, current video frame is frame of video to be shown.
Or, signal condition change mark is expressed as 0 or 1, if labeled as 0, then it represents that vision signal state is by normal
State change is abnormality, if labeled as 1, then it represents that vision signal state is become by abnormality turns to normal condition.
In step s 304, if the vision signal state of current video frame is abnormality, according to a upper frame of video
Video image information control video image, until the vision signal state of frame of video changes.
Seen from the above description, in the embodiment of the present application, it is not necessary to obtain the vision signal state of frame of video in real time, but
The vision signal state change information that video processor is sent is received, signal condition is extracted from vision signal state change information
Change mark, the vision signal state that mark determines current video frame is changed according to signal condition.That is, processor is controlled
The change of video processor monitoring video signal, mark will be changed if the change for monitoring vision signal with signal condition
Vision signal change information send into processor, wherein, according to signal condition change mark can determine that current video frame
Vision signal state.Therefore, in the embodiment of the present application, current video frame after vision signal state changes can quickly be obtained
Vision signal state so that further save CPU memory space.
Example IV
Referring to Fig. 5, the example IV schematic flow sheet provided for the embodiment of the present application.
In step S401, if receiving zapping instruction, the steady of video processor monitoring video signal state is controlled
It is fixed.
Television equipment is when switching TV station, and video processor needs Switch Video resource, in the mistake of Switch Video resource
, it is necessary to discharge currently playing video resource in journey, and according to the new video resource of zapping instruction switching.But, release and
It is unstable due to video resource during acquisition, cause the unstable of vision signal state, shown on display interface
Picture is constantly redirected, and substantially reduces the Consumer's Experience of tv product.
In the embodiment of the present application, when receiving zapping instruction, control video processor detects the steady of vision signal state
It is fixed.The stability of monitoring video signal state, it is ensured that the normal play video frame again after vision signal is in stable condition, prevent because
Vision signal state labile causes display picture constantly to redirect.
Specific steps are referring to Fig. 6, the step S401 provided for the embodiment of the present application schematic flow sheet.
In step S4011, whether control video processor monitoring video signal state in preset duration is normal
State.
Specifically, control video processor detects whether vision signal state is normal condition in preset duration.Example
Such as, in preset duration 5 seconds, whether the vision signal state for detecting each frame frame of video is normal condition.In Switch Video
In the period of resource, exception when normal when there is the vision signal state in a period of time, when vision signal state is steady
After fixed, the vision signal state of frame of video is in prolonged normal condition.
If the vision signal state labile monitored in preset duration, after current preset duration terminates, weight
Newly start next preset duration, continue to monitor whether vision signal state in preset duration is normal condition.
In step S4012, if the video processor monitors that vision signal state is just in preset duration
Normal state, it is determined that vision signal is in stable condition.
If the vision signal state monitored in preset duration is normal condition, illustrate now vision signal shape
State is in stable state, can be with normal play video frame.
Referring to Fig. 7, the step S401 provided for the embodiment of the present application another schematic flow sheet.
In step S4013, whether the continuous multiple vision signal states of control video processor monitoring are normal condition.
In step S4014, if the video processor monitors that continuous multiple vision signal states are normal shape
State, it is determined that vision signal is in stable condition.
In the embodiment of the present application, whether it is normal condition by the continuous multiple vision signal states of monitoring, determines video
Whether signal condition is in stable state.When implementing, can 10 vision signal states of continuous monitoring whether be normal
State.The quantity specifically monitored can obtain data according to experiment, by testing during Switch Video resource, how many video letters of processing
After number, vision signal state can just be in stable state, its mode or average be taken, so as to obtain the number of monitoring video signal
Amount.
In step S402, the vision signal state that video processor monitors to send after vision signal is in stable condition is received
It is stable to notify.
After video processor monitors that vision signal is in stable condition, vision signal is sent to processor in stable condition logical
Know, now, it has been normal condition to illustrate vision signal state, and processor can control video processor and handle video to be shown
Frame, and video image information is obtained from video processor, video image is controlled according to the video image information.
In step S403, control video image, and control video processor are notified according to vision signal is in stable condition
The change of monitoring video signal state.
After vision signal in stable condition notice is received, the vision signal state for illustrating current video frame is normal shape
State, now, performs operation corresponding with normal condition, controls video processor normal process frame of video, obtain video image letter
Cease and video image is controlled according to the video image information.Meanwhile, control video processor continues monitoring video signal state
Change.
Seen from the above description, in Switch Video resource, processor control video processor stops monitoring frame of video
The change of vision signal state, and the stability of video processor monitoring video signal state is controlled, when vision signal state
After stable, the change of monitoring video signal state is further continued for.So that during solving switchable resource, because vision signal is unstable
Caused picture redirects problem, and then lifts Consumer's Experience.
Embodiment five
Referring to Fig. 8, the schematic flow sheet of embodiment five provided for the embodiment of the present application.
The method that the embodiment of the present application is provided is applied in video processor, corresponding with above-described embodiment.In step S501
In, the vision signal state of frame of video is monitored in real time.
After frame of video is received, processor control video processor monitors the vision signal state change of frame of video.Depending on
Frequency processor parses current video frame, obtains the vision signal state of current video frame.By the vision signal shape of current video frame
The vision signal epidemic situation comparison of state and a upper frame of video, if the vision signal state of current video frame and regarding for a upper frame of video
Frequency signal condition is identical, it is determined that vision signal state does not change；If the vision signal state of current video frame and upper one
The vision signal state of frame of video is different, then generates vision signal state change information.
In step S502, if monitoring that the vision signal state of frame of video changes, vision signal shape is sent
State change information is into processor.
If the vision signal state of current video frame is different from the vision signal state of a upper frame of video, it is determined that monitoring
Vision signal state to frame of video changes.Now, according to the vision signal state and current video frame of a upper frame of video
Vision signal state generation vision signal state change information, wherein, in vision signal state change information carry signal shape
State change mark.
Seen from the above description, in method disclosed in the embodiment of the present application, video processor need not be again at real-time reception
The request instruction of device is managed, and according to the vision signal state of each frame frame of video of the real-time feedback of request instruction, it is only necessary to automatic prison
The vision signal state change of frame of video is surveyed, it is automatic by signal condition if the vision signal state of frame of video changes
Change information is sent to processor, so as to save the computing resource of processor.
Embodiment six
Referring to Fig. 9, the schematic flow sheet of embodiment six that Fig. 9 provides for the application
In step s 601, the vision signal state of frame of video is monitored in real time.
In step S602, if monitoring that the vision signal state of frame of video changes, vision signal shape is sent
State change information is into processor.
In step S603, after zapping instruction is received, whether monitoring video signal state is stablized.
After zapping instruction is received, the control instruction of video processor reception processing device, therefore, video processor stop
Monitoring video signal changes, but whether monitoring video signal state is stablized.The step whether monitoring video signal state is stablized
It will not be repeated here.
In step s 604, if vision signal is in stable condition, the in stable condition notice of vision signal is sent to processor,
And the change of monitoring video signal state.
If monitoring that vision signal is in stable condition, the in stable condition notice of vision signal is sent to processor, by handling
Device control video processor continues the change of monitoring video signal state.
By taking dynamic backlight control as an example, referring to Figure 10, the dynamic backlight control system structure provided for the embodiment of the present application
Schematic diagram.
As shown in Figure 10, DB middlewares are set in setting signal state monitoring module in video processor 3, processor 2.Letter
Number state monitoring module is used for the change of monitoring video signal state, after monitoring that vision signal state changes, will believe
Number state change information sends the DB middlewares into processor 2, and DB middlewares parse the vision signal state change information,
The signal condition change mark in vision signal state change information is extracted, is determined according to signal condition change mark current
The vision signal state of frame of video.
If the vision signal state of current video frame is normal condition, control Dynamic Backlight Algorithm module is at video
Manage and brightness value information obtained in the Video decoding module of device 3, and backlight value is calculated according to preset algorithm, by backlight value send to
Backlight control module, controls drive circuit, so as to control the backlight value of display 1 by backlight control module according to backlight value.
If the vision signal state of current video frame is abnormality, control Dynamic Backlight Algorithm module is regarded upper one
The backlight value of frequency frame is sent to backlight control module, and control backlight control module controls to show according to the backlight value of a upper frame of video
The backlight of device.
Seen from the above description, method disclosed in the embodiment of the present application is applied in video processor, and video processor exists
When receiving zapping instruction, whether monitoring video signal state is stablized, if vision signal is in stable condition, and notifier processes device makes
Processor control video processor continues the change of monitoring video signal state.Method and above-mentioned implementation in the embodiment of the present application
Using method correspondence within a processor, the change of video processor monitoring video signal state, it is not necessary to real-time reception in example
The request instruction of processor, and the vision signal state of each frame frame of video of feedback, so that, reduce accounting for for processor computing resource
With.
The embodiment of the present application additionally provides a kind of intelligent television, including processor, video processor, display and storage
Device, wherein：Memory is used for store program codes, and processor reads the program code in the memory, and performs embodiment
One to example IV method；Video processor reads the program code in the memory, and performs embodiment five and implementation
The method of example six；Display is electrically connected with processor, the video image information sent for reception processing device, and according to video figure
As presentation of information video image.
Those skilled in the art will readily occur to its of the present invention after the disclosure that specification and practice are invented here is considered
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.It should be appreciated that the invention is not limited in the accurate knot for being described above and being shown in the drawings
Structure, and various modifications and changes can be being carried out without departing from the scope.The scope of the present invention only by appended claim Lai
Limitation.
Claims (8)
1. a kind of video image control method, it is characterised in that including：
Receive vision signal state change information；
Whether the vision signal state that current video frame is determined according to the vision signal state change information is abnormality；
If the vision signal state of the current video frame is abnormality, according to the video image information of a upper frame of video
Video image is controlled, until the vision signal state of frame of video changes.
2. according to the method described in claim 1, it is characterised in that methods described also includes：
If the vision signal state of the current video frame is normal condition, the video image letter of each frame of video is calculated
Breath, and video image is controlled according to the video image information, until the vision signal state of frame of video changes.
3. according to the method described in claim 1, it is characterised in that according to the vision signal state change information, it is determined that working as
Whether the vision signal state of preceding frame of video is abnormality, including：
Obtain the signal condition change mark carried in the vision signal status information；
Changed according to the signal condition and marked, whether the vision signal state for determining frame of video is abnormality.
4. according to the method described in claim 1, it is characterised in that methods described also includes：
If receiving zapping instruction, the stabilization of video processor monitoring video signal state is controlled；
Receive the in stable condition notice of vision signal that video processor monitors to send after vision signal is in stable condition；
Control video image, and control video processor monitoring video signal shape are notified according to the vision signal is in stable condition
The change of state.
5. method according to claim 4, it is characterised in that the stabilization of the video processor monitoring video signal state
Step includes：
Control whether video processor monitoring video signal state in preset duration is normal condition；
If the video processor monitors that vision signal state is normal condition in preset duration, it is determined that video is believed
It is number in stable condition；Or,
Control whether the continuous multiple vision signal states of video processor monitoring are normal condition；
If the video processor monitors that continuous multiple vision signal states are normal condition, it is determined that vision signal shape
State is stable.
6. a kind of video image control method, it is characterised in that including：
The vision signal state of frame of video is monitored in real time；
If monitoring that the vision signal state of frame of video changes, vision signal state change information is sent to processor
In.
7. method according to claim 6, it is characterised in that methods described also includes：
After zapping instruction is received, whether monitoring video signal state is stablized；
If vision signal is in stable condition, the in stable condition notice of vision signal is sent to processor, and monitoring video signal
The change of state.
8. a kind of intelligent television, it is characterised in that including processor, video processor, display and memory, wherein：
The memory, for store program codes；
The processor, for reading the program code in the memory, and performs the side as described in claim 1-5 is any
Method；
The video processor, for reading the program code in the memory, and is performed as described in claim 6-7 is any
Method；
The display is electrically connected with the processor, the video image information sent for reception processing device, and according to described
Video image information shows video image.
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| CN114245200A (en) * | 2021-11-02 | 2022-03-25 | 浙江大华技术股份有限公司 | Monitoring scene change determination method, device and system and electronic device |
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