CN108810649A - Picture quality regulation method, intelligent TV set and storage medium - Google Patents
Picture quality regulation method, intelligent TV set and storage medium Download PDFInfo
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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
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4852—End-user interface for client configuration for modifying audio parameters, e.g. switching between mono and stereo
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
-
- 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
- H04N21/44008—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 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
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Controls And Circuits For Display Device (AREA)
- Television Systems (AREA)
Abstract
The invention discloses a kind of picture quality regulation methods, include the following steps：It identifies the input channel of current slice source signal, and obtains the resolution ratio and frame per second of described source signal；From preset mapping table, image quality adjustment parameter corresponding with the input channel, the resolution ratio and the frame per second is obtained；Based on the image quality adjustment parameter, the corresponding picture signal of described source signal is adjusted；Described image signal is exported to display screen and is shown.The invention also discloses a kind of intelligent TV set and computer readable storage mediums.The invention enables when the piece source contents of television for play different-format, it can reach more preferably visual effect.
Description
Technical field
The present invention relates to a kind of technical field of television sets more particularly to picture quality regulation method, intelligent TV set and computers
Readable storage medium storing program for executing.
Background technology
The broadcasting content of current television machine more focuses on the promotion of experience, includes the basic function of two sound quality, image quality concerns.
To reach good image quality effect, and then better visual experience, television set is brought to be required for carrying out picture before manufacture to user
Matter is debugged, including a variety of elements such as white balance, contrast, brightness, clarity, color.Since there is mutual in the above element
It contradicts, therefore, the more commonly used method of television set is to carry out compromise value to the above element at present, but in each market, due to regarding
The format of frequency film source is also different, thus is difficult to realize that all film sources have preferable display effect by a set of fixed parameter
Fruit.
Invention content
The main purpose of the present invention is to provide a kind of picture quality regulation method, intelligent TV set and computer-readable storage mediums
Matter, it is intended to the technical issues of how solution makes television set adapt to a variety of different film sources and keep image quality effect.
To achieve the above object, the present invention provides a kind of picture quality regulation method, which is characterized in that the picture quality regulation method
Include the following steps：
It identifies the input channel of current slice source signal, and obtains the resolution ratio and frame per second of described source signal；
From preset mapping table, obtain corresponding with the input channel, the resolution ratio and the frame per second
Image quality adjustment parameter；
Based on the image quality adjustment parameter, the corresponding picture signal of described source signal is adjusted；
Described image signal is exported to display screen and is shown.
Optionally, it is described described image signal is exported into display screen the step of being shown before, the image quality tune
Section method further includes：
Identify whether currently playing content belongs to special scenes；
If so, being based on the corresponding image quality regulative mode of the special scenes, image quality adjusting is carried out to described image signal.
Optionally, described to identify whether currently playing content belongs to special scenes and include：
If the input channel is digital channel, the corresponding program guide EPG information of currently playing content is obtained；
According to the keyword of programme information in the EPG information, currently playing content is determined；
Correspondence based on preset broadcasting content and special scenes, identifies whether currently playing content belongs to specific field
Scape.
Optionally, described to identify whether currently playing content belongs to special scenes and include：
If the input channel is the channels HDMI or the channels USB, the image information of continuous multiple frames picture signal is captured；
Extract identical characteristic image in the image information of each frame image signal；
Judge whether the change in location of characteristic image in two frames in the predetermined time or multiple image signal is more than pre-determined distance
Threshold value；
If so, determining that currently playing content is sharp movement picture, otherwise, it determines currently playing content is weak movement picture
Face；
Correspondence based on preset broadcasting content and special scenes, identifies whether currently playing content belongs to specific field
Scape.
Optionally, it is described described image signal is exported into display screen the step of being shown before, the image quality tune
Section method further includes：
Identify whether currently playing content is consistent with preset Video Model；
If so, being based on the corresponding image quality regulative mode of the Video Model, image quality adjusting is carried out to described image signal.
Optionally, the currently playing content of the identification whether be consistent with preset Video Model including：
If the input channel is digital channel, the corresponding program guide EPG information of currently playing content is obtained；Judge
In the set of keywords of preset Video Model whether include programme information in the EPG information keyword；If so, knowing
Not currently playing content is consistent with the Video Model；Or
If the input channel is digital channel, speech recognition is carried out to the audio signal of currently playing content, is obtained
The corresponding word content of audio signal；Judge in the set of keywords of preset Video Model whether to include in the word
Hold；If so, identifying that currently playing content is consistent with the Video Model.
Optionally, the currently playing content of the identification whether be consistent with preset Video Model including：
If the input channel is the channels HDMI or the channels USB, currently playing content is cached；
The image information of currently playing content and the image information of preset Video Model are subjected to image feature comparison；
If Image Feature Matching, identify that currently playing content is consistent with the Video Model.
Optionally, the image quality regulative mode includes following one or more：
A, motion compensation MEMC functions are adjusted；
B, image quality adjustment parameter is adjusted, the image quality adjustment parameter includes：Color, clarity, brightness, saturation degree, comparison
It is one or more in degree and noise reduction；
C, adjustment image quality adjusts algorithm.
Further, to achieve the above object, the present invention also provides a kind of intelligent TV set, the intelligent TV set includes
The image quality that memory, processor and being stored in can be run on the memory and on the processor adjusts program, described
Image quality adjusts the step of realizing any one of them picture quality regulation method as above when program is executed by the processor.
Further, to achieve the above object, the present invention also provides a kind of computer readable storage medium, the computers
It is stored with image quality on readable storage medium storing program for executing and adjusts program, the image quality, which is adjusted, realizes as above any one when program is executed by processor
The step of described picture quality regulation method.
The present invention is previously provided with the mapping relations between film source feature and image quality adjusting parameter, when user switches film source or broadcasts
When putting channel, the input channel of current slice source signal is first identified, and obtain the resolution ratio and frame per second of piece source signal；Then from default
Mapping table in, obtain corresponding with input channel, resolution ratio and frame per second image quality adjustment parameter, and based on acquisition
Image quality adjustment parameter, the corresponding picture signal of adjustment sheet source signal；Last again export picture signal to display screen shows.
The present invention is based on the formats of film source, and picture display effect is adjusted using image quality adjustment parameter corresponding with piece source format, from
And when making the piece source contents of television for play different-format, it can reach more preferably visual effect.
Description of the drawings
Fig. 1 is the structural schematic diagram for the device hardware running environment that intelligent TV set example scheme of the present invention is related to；
Fig. 2 is the flow diagram of picture quality regulation method first embodiment of the present invention；
Fig. 3 is the flow diagram of picture quality regulation method second embodiment of the present invention；
Fig. 4 is the refinement flow diagram of mono- embodiments of step S50 in Fig. 3；
Fig. 5 is the refinement flow diagram of another embodiments of step S50 in Fig. 3；
Fig. 6 is the flow diagram of picture quality regulation method 3rd embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that described herein, specific examples are only used to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of intelligent TV set.
Referring to Fig.1, Fig. 1 is that the structure for the device hardware running environment that intelligent TV set example scheme of the present invention is related to is shown
It is intended to.
As shown in Figure 1, intelligent TV set may include：Processor 1001, such as CPU, processor 1001 are preferably SOC cores
Piece (System-on-a-Chip), SOC chip are known as system level chip, also referred to as system on chip, are a kind of collection having application-specific target
At circuit, wherein including holonomic system and having the full content of embedded software.
In addition, intelligent TV set can also include：Communication bus 1002, user interface 1003, network interface 1004, storage
Device 1005.Wherein, communication bus 1002 is for realizing the connection communication between these components.User interface 1003 may include showing
Display screen (Display), input unit such as keyboard (Keyboard), optional user interface 1003 can also include the wired of standard
Interface, wireless interface.Network interface 1004 may include optionally standard wireline interface and wireless interface (such as WI-FI interface).
Memory 1005 can be high-speed RAM memory, can also be stable memory (non-volatile memory), such as
Magnetic disk storage.Memory 1005 optionally can also be the storage device independently of aforementioned processor 1001.It needs to illustrate
It is that processor 1001 is mounted on using embedded chip mode in intelligent TV set.
It will be understood by those skilled in the art that the hardware configuration of intelligent TV set shown in Fig. 1 is not constituted to intelligence
The restriction of television set may include either combining certain components or different component cloth than illustrating more or fewer components
It sets.
As shown in Figure 1, as may include operating system, net in a kind of memory 1005 of computer readable storage medium
Network communication module, Subscriber Interface Module SIM and image quality adjust program.Wherein, operating system be management and control intelligent TV set with
The program of software resource, support network communication module, Subscriber Interface Module SIM, image quality adjusting program and other programs or software
Operation；Network communication module is for managing and controlling network interface 1004；Subscriber Interface Module SIM connects for managing and controlling user
Mouth 1003.
In intelligent TV set hardware configuration shown in Fig. 1, network interface 1004 is mainly used for connecting system background, and is
System is from the background into row data communication；User interface 1003 is mainly used for connecting client (user terminal), and it is logical to carry out data with client
Letter；Intelligent TV set calls the image quality stored in memory 1005 to adjust program by processor 1001, and executes following operation：
It identifies the input channel of current slice source signal, and obtains the resolution ratio and frame per second of described source signal；
From preset mapping table, obtain corresponding with the input channel, the resolution ratio and the frame per second
Image quality adjustment parameter；
Based on the image quality adjustment parameter, the corresponding picture signal of described source signal is adjusted；
Described image signal is exported to display screen and is shown.
Further, intelligent TV set calls the image quality stored in memory 1005 to adjust program also by processor 1001
Execute following operation：
Identify whether currently playing content belongs to special scenes；
If so, being based on the corresponding image quality regulative mode of the special scenes, image quality adjusting is carried out to described image signal.
Further, intelligent TV set calls the image quality stored in memory 1005 to adjust program also by processor 1001
Execute following operation：
If the input channel is digital channel, the corresponding program guide EPG information of currently playing content is obtained；
According to the keyword of programme information in the EPG information, currently playing content is determined；
Correspondence based on preset broadcasting content and special scenes, identifies whether currently playing content belongs to specific field
Scape.
Further, intelligent TV set calls the image quality stored in memory 1005 to adjust program also by processor 1001
Execute following operation：
If the input channel is the channels HDMI or the channels USB, the image information of continuous multiple frames picture signal is captured；
Extract identical characteristic image in the image information of each frame image signal；
Judge whether the change in location of characteristic image in two frames in the predetermined time or multiple image signal is more than pre-determined distance
Threshold value；
If so, determining that currently playing content is sharp movement picture, otherwise, it determines currently playing content is weak movement picture
Face；
Correspondence based on preset broadcasting content and special scenes, identifies whether currently playing content belongs to specific field
Scape.
Further, intelligent TV set calls the image quality stored in memory 1005 to adjust program also by processor 1001
Execute following operation：
Identify whether currently playing content is consistent with preset Video Model；
If so, being based on the corresponding image quality regulative mode of the Video Model, image quality adjusting is carried out to described image signal.
Further, intelligent TV set calls the image quality stored in memory 1005 to adjust program also by processor 1001
Execute following operation：
If the input channel is digital channel, the corresponding program guide EPG information of currently playing content is obtained；Judge
In the set of keywords of preset Video Model whether include programme information in the EPG information keyword；If so, knowing
Not currently playing content is consistent with the Video Model；Or
If the input channel is digital channel, speech recognition is carried out to the audio signal of currently playing content, is obtained
The corresponding word content of audio signal；Judge in the set of keywords of preset Video Model whether to include in the word
Hold；If so, identifying that currently playing content is consistent with the Video Model.
Further, intelligent TV set calls the image quality stored in memory 1005 to adjust program also by processor 1001
Execute following operation：
If the input channel is the channels HDMI or the channels USB, currently playing content is cached；
The image information of currently playing content and the image information of preset Video Model are subjected to image feature comparison；
If Image Feature Matching, identify that currently playing content is consistent with the Video Model.
The device hardware running environment that example scheme based on aforementioned present invention intelligent TV set is related to proposes the present invention
The following embodiment of picture quality regulation method.
It is the flow diagram of picture quality regulation method first embodiment of the present invention with reference to Fig. 2, Fig. 2.In the present embodiment, image quality
Adjusting method includes the following steps：
Step S10, identifies the input channel of current slice source signal, and obtains the resolution ratio and frame per second of described source signal；
Usual television set supports multi-signal channel, for example DTV walks digital channel, external video walks the channels HDMI
Or the channels USB.In the present embodiment, preferably when user carries out signal path switching, using the signal path after switching as current
The input channel of piece source signal；Or the input channel that the channel that this is used is current slice source signal is given tacit consent in booting.
In addition, the format of its resolution ratio of different film sources and frame per second may be different, such as 720P, 24Hz, 1080P, 60Hz.
In the present embodiment, resolution ratio is preferably obtained by the format character value of film source, and frame per second information is then preferably according to the frame rate value of film source
It is obtained.
Step S20 is obtained and the input channel, the resolution ratio and the frame from preset mapping table
The corresponding image quality adjustment parameter of rate；
In the present embodiment, to ensure the display effect of film source under each format of each each frame per second in channel, therefore it is preset with film source spy
Mapping relations between sign and image quality adjustment parameter, specific setting up procedure are as follows：
When doing comprehensive test to TV, first, in accordance with the resolution ratio and frame per second of each channel institute supporting pieces source signal, give
Each channel inputs supported piece source signal respectively, then carries out parameter testing and amendment to display effect, until ensure compared with
Good basic display effect；Then the parameter value that each channel is debugged is recorded in the associated adjustment file of table or software,
Then it generates binary data and the data in mapping table namely in mapping table is written and can guarantee under different channels not
With the basic display effect of the film source of format.
Table 1
| VIP_IBC | VIP_IBC_SET | VIP_ICC | VIP_ICC_SET | |
| HDMI_720p_24hz | ON | IBC_1 | ON | ICC_1 |
| HDMI_720p_50hz | ON | IBC_2 | ON | ICC_2 |
| HDMI_720p_60hz | ON | IBC_3 | ON | ICC_3 |
| HDMI_1080P 50hz | ON | IBC_4 | ON | ICC_4 |
| HDMI_1080i_60hz | ON | IBC_5 | ON | ICC_5 |
| 4K2K_30Hz | ON | IBC_10 | ON | ICC_10 |
| MM_4K2K | ON | IBC_11 | ON | ICC_11 |
| MM_non_4K2K | ON | IBC_12 | ON | ICC_12 |
As shown in table 1, ordinate represents channel and corresponding of channel source format, and abscissa represents the ginseng for influencing image quality
Number function call name, function call name correspond to the calculation formula (or value) of the parameter value, and above-mentioned table 1 only lists passage portion
Part piece source format and part image quality adjustment parameter.And for other image quality adjustment parameters, brightness side is such as adjusted by backlight
Formula, white balance etc. are then that individually designed corresponding image quality adjusts algorithm.
As shown in table 1, it is the channels HDMI, signal as 720P, 24Hz frame per second that HDMI_720p_24hz, which represents input channel,
Film source situation, 4K2K_30Hz represent input signal as the film source situation of 4K2K, 30Hz frame per second, due to that can transmit 4K2K_ at present
The channel of 30Hz only has HDMI and multimedia interface (such as USB), therefore can represent channel to be inputted under the channels HDMI or the channels USB
The case where signal source 4K2K_60Hz.MM_4K2K represents input channel as the film source situation of multimedia channel, 4K2K, MM_non_
4K2K represents input channel as the film source situation of multimedia channel, non-4K2K.
And abscissa VIP_IBC is colour brightness control switch, when following value is ON, then represents the channel film source feelings
Colour brightness is controlled by this contingency table under condition, and VIP_IBC_SET is corresponding to colour brightness control under each format film source in each channel
Value, be OFF when, then handled using default value；
VIP_ICC is that color saturation control switch then represents face in the case of the channel film source when following value is ON
Color saturation is controlled by this contingency table, and VIP_ICC_SET is that color saturation control is corresponding under each format film source in each channel
Value is then handled using default value when being OFF；
Corresponding, VIP_IBC_SET, VIP_ICC_SET have corresponding two level list, indicate affiliated IBC_1 respectively,
IBC_2... corresponding value, the corresponding value of ICC_1, ICC_2....
It should be further noted that illustrating for ease of understanding with simplified, only to list passage portion, piece in upper table 1
The control correspondence of source format and image quality adjustment parameter.
Step S30 is based on the image quality adjustment parameter, adjusts the corresponding picture signal of described source signal；
Described image signal is exported to display screen and is shown by step S40.
In the present embodiment, after identification obtains the input channel, resolution ratio and frame per second of signal source, by above table
Mapping relations, you can obtain the adjusting algorithm or numerical value of corresponding image quality adjustment parameter, then, image quality based on acquisition is adjusted
Piece source signal is adjusted by the picture signal exported after image procossing for parameter, for example adjust brightness, saturation degree etc.,
Last again export the picture signal after adjusting to display screen shows.
The mapping relations being previously provided in the present embodiment between film source feature and image quality adjusting parameter, when user switches film source
Or when playing channel, the input channel of current slice source signal is first identified, and obtain the resolution ratio and frame per second of piece source signal；Then from
In preset mapping table, image quality adjustment parameter corresponding with input channel, resolution ratio and frame per second is obtained, and is based on obtaining
The image quality adjustment parameter taken, the corresponding picture signal of adjustment sheet source signal；Finally picture signal is exported to display screen again and is carried out
Display.Format of the present embodiment based on film source is shown using image quality adjustment parameter corresponding with piece source format to adjust picture
Effect can reach more preferably visual effect so that when the piece source contents of television for play different-format.
It is the flow diagram of picture quality regulation method second embodiment of the present invention with reference to Fig. 3, Fig. 3.It is real based on above-mentioned first
Apply example, in the present embodiment, further to promote image quality display effect, therefore, before above-mentioned steps S40, the image quality is adjusted
Method further includes：
Step S50, identifies whether currently playing content belongs to special scenes；
Step S60 carries out described image signal if so, being based on the corresponding image quality regulative mode of the special scenes
Image quality is adjusted.
The present embodiment is based further on broadcasting content to adjust image quality, and specially first whether identification broadcasting content belongs to specific
Scene, such as ball match scene, film scene etc., the then mapping again based on preset special scenes and image quality regulative mode are closed
System carries out image quality adjusting to current image signal.
Optionally, the image quality regulative mode includes following one or more：
A, motion compensation MEMC functions are adjusted；
B, image quality adjustment parameter is adjusted, the image quality adjustment parameter includes：Color, clarity, brightness, saturation degree, comparison
It is one or more in degree and noise reduction；
C, adjustment image quality adjusts algorithm.
For example, detecting that dynamic menu is stronger when currently playing ball match, when green is more, by motion compensation MEMC functions
Open, and by the color, saturation degree, brightness of picture Green reinforce etc..
Image quality in the present embodiment is adjusted, and had both been adapted to different piece source formats and input channel, and had also been adapted to difference
Piece source contents, so as to realize more preferably image quality display effect.
It is the refinement flow diagram of mono- embodiments of step S50 in Fig. 3 with reference to Fig. 4, Fig. 4.Based on above-described embodiment, this reality
It applies in example, above-mentioned steps S50 further comprises：
Step S501 obtains the corresponding program guide EPG of currently playing content if the input channel is digital channel
Information；
Step S502 determines currently playing content according to the keyword of programme information in the EPG information；
Whether step S503, the correspondence based on preset broadcasting content and special scenes, identify currently playing content
Belong to special scenes.
Different film source signal input channels correspond to different identification methods.In the present embodiment, if the input of film source is logical
Road is digital channel namely digital television program, then the corresponding program guide EPG information of currently playing content is obtained, according to EPG
The keyword of programme information in information, determines currently playing content.Wherein, special scenes refer to user has higher want to image quality
Broadcasting scene, such as ball match scene, film scene for asking etc..
For example, determining currently playing content based on programm name, reproduction time.For example, being believed according to program in EPG information
The keyword of breath determines that current time plays Pingong Matches, then reinforces MEMC functions, such as plays football match, then by MEMC and
Green area in picture carries out color, saturation degree, brightness reinforcement.
After currently playing content is determined, the correspondence based on preset broadcasting content and special scenes, identification is worked as
Whether preceding broadcasting content belongs to special scenes, if belonging to special scenes, is based on the corresponding image quality regulative mode of special scenes, right
Picture signal carries out image quality adjusting.For example motion compensation MEMC functions are adjusted, or adjust color, clarity, brightness, saturation
Degree, contrast etc..
It is the refinement flow diagram of another embodiments of step S50 in Fig. 3 with reference to Fig. 5, Fig. 5.Based on above-described embodiment, originally
In embodiment, above-mentioned steps S50 further comprises：
Step S504 captures the figure of continuous multiple frames picture signal if the input channel is the channels HDMI or the channels USB
As information；
Step S505 extracts identical characteristic image in the image information of each frame image signal；
Step S506, judge characteristic image in two frames in the predetermined time or multiple image signal change in location whether be more than
Pre-determined distance threshold value；
Step S507, if so, determining that currently playing content is sharp movement picture, otherwise, it determines currently playing content is
Weak motion picture；
Whether step S508, the correspondence based on preset broadcasting content and special scenes, identify currently playing content
Belong to special scenes.
In the present embodiment, if signal source is the channels HDMI or multimedia channel, the image letter between each frame is first captured
Breath, is compared image information, preferably captures identical characteristic image, and a certain distance threshold value is arranged, when two frames or
When position between multiframe same characteristic features image is more than the distance threshold within a certain period of time, then it is assumed that the dynamic menu of broadcasting is transported
It is dynamic relatively strong, MEMC functions are opened at this time or are enhanced (MEMC functions can be equipped with three ranks of weak, medium, strong), when two frames or more
When position between frame same characteristic features image is less than the distance threshold within a certain period of time, then it is assumed that the dynamic menu of broadcasting moves
It is weaker, MEMC functions are closed or weakened at this time, and then picture display effect can be made according to the characteristics of different film sources always
In optimum state.
It is corresponding with special scenes based on preset broadcasting content after currently playing content is determined in the present embodiment
Relationship, identifies whether currently playing content belongs to special scenes, if belonging to special scenes, is based on the corresponding image quality of special scenes
Regulative mode carries out image quality adjusting to picture signal.Such as adjust motion compensation MEMC functions, or adjust color, clarity,
Brightness, saturation degree, contrast etc..
It is the flow diagram of picture quality regulation method 3rd embodiment of the present invention with reference to Fig. 6, Fig. 6.It is real based on above-mentioned first
Apply example, in the present embodiment, further to promote image quality display effect, therefore, before above-mentioned steps S40, the image quality is adjusted
Method further includes：
Step S70, identifies whether currently playing content is consistent with preset Video Model；
Step S80 carries out described image signal if so, being based on the corresponding image quality regulative mode of the Video Model
Image quality is adjusted.
To ensure the picture display effects such as color, clarity under special scenes.Therefore, the present embodiment is to user preferences
Various video scene is modeled, and is adjusted to display according to corresponding modeling specification.Such as ball match model, film model, fortune
Movable model etc., the corresponding image quality regulative mode of different video scenes may be the same or different.
Optionally, the corresponding image quality regulative mode of Video Model includes following one or more：
A, motion compensation MEMC functions are adjusted；
B, image quality adjustment parameter is adjusted, the image quality adjustment parameter includes：Color, clarity, brightness, saturation degree, comparison
It is one or more in degree and noise reduction；
C, adjustment image quality adjusts algorithm.
For example, when it is ball match model to identify Video Model, motion compensation MEMC functions are opened, and by picture Green
Color, saturation degree, brightness reinforce etc..
It should be noted that the above content be make this picture description facilitate for several examples, herein should not become limit
Present disclosure processed.In addition, each Video Model, can correspond to multiple image quality regulative modes, such as ball match model, it is adjusted
MEMC functions, color adjustment, clarity adjustment；Sky model can adjust local dimming algorithm, color etc..
It need to further illustrate, refer under each channel to the contrast relationship of Video Model and image quality regulative mode
Each piece source format and frame rate signal correspondence, namely each channel each format frame rate signal have it is above
Contrast relationship, if each format frame per second of each channel to be known as to a kind of state, there are various states in the present invention,
And the contrast relationship under different conditions is different, therefore there are multiple modeling relationships in the present invention.That is, each
Have contrast relationship under state, but the image quality regulative mode under two or more states be also possible to it is identical, it is also possible to it is different.
For example, be similarly the film source of 1080P_30Hz frame per second under the channels USB or the channels HDMI, when being related to Video Model
When needing to adjust clarity, it is ± 3 that the offset maximum magnitude adjusted is needed under the channels USB, and needs to adjust under the channels HDMI
Offset maximum magnitude be ± 5.
Further, in an embodiment of the present invention, identify whether currently playing content is consistent with preset Video Model
Concrete mode include：
Mode one：It is identified based on EPG information
If 1.1, input channel is digital channel, the corresponding program guide EPG information of currently playing content is obtained；
1.2, judge in the set of keywords of preset Video Model whether include programme information in EPG information key
Word；
1.3 if so, identify that currently playing content is consistent with the Video Model.
Under the method, different Video Models be stored in different set of keywords, such as ball match model store it is related
In keyword of ball match, such as table tennis, football, match etc., if there are in ball match model in the programme information of the EPG got
Keyword, then identify that currently playing content is consistent with ball match model.
Mode two：It is identified based on audio signal
If 2.1, input channel is digital channel, speech recognition is carried out to the audio signal of currently playing content, is obtained
The corresponding word content of audio signal；
2.2, judge in the set of keywords of preset Video Model whether to include word content；
2.3, if so, identifying that currently playing content is consistent with the Video Model.
Under the method, speech recognition is carried out by the audio signal to currently playing content, to obtain audio signal pair
The word content answered.Such as dialogue, background sound etc., if there are the keywords in Video Model in word content, such as in word
Containing contents such as football, gate, passes in appearance, then it can determine that currently playing content is consistent with ball match model.
Mode three：It is identified based on characteristics of image
If 3.1, input channel is the channels HDMI or the channels USB, currently playing content is cached；
3.2, the image information of currently playing content and the image information of preset Video Model are subjected to characteristics of image ratio
It is right；
If 3.3, Image Feature Matching, identify that currently playing content is consistent with the Video Model.
Under the method, if input channel is the channels HDMI or the channels USB, currently playing content is first cached, then will
The image information of currently playing content carries out image feature comparison with the image information of multiple Video Models respectively, if characteristics of image
Matching, namely compare successfully, then identify that currently playing content is consistent with the Video Model.
For example, containing vegetation, sky etc. in broadcasting content, and include in the Nature model vegetation, sky image letter
Breath, then identify that currently playing content is consistent with the Nature model.
In the present embodiment, after identifying the corresponding Video Model of currently playing content, it is based on the corresponding picture of Video Model
Matter regulative mode carries out image quality adjusting to picture signal.For example motion compensation MEMC functions are adjusted, or adjust color, clear
Degree, brightness, saturation degree, contrast etc..
The present invention also provides a kind of computer readable storage mediums.
It is stored with image quality in the present embodiment, on computer readable storage medium and adjusts program, image quality adjusts program and handled
The step of picture quality regulation method as described in any of the above-described embodiment is realized when device executes.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM), including some instructions are used so that a station terminal (can be intelligent TV set, mobile phone, computer, service
Device or the network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, it is every using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, directly or indirectly
Other related technical areas are used in, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of picture quality regulation method, which is characterized in that the picture quality regulation method includes the following steps：
It identifies the input channel of current slice source signal, and obtains the resolution ratio and frame per second of described source signal；
From preset mapping table, picture corresponding with the input channel, the resolution ratio and the frame per second is obtained
Matter adjustment parameter；
Based on the image quality adjustment parameter, the corresponding picture signal of described source signal is adjusted；
Described image signal is exported to display screen and is shown.
2. picture quality regulation method as described in claim 1, which is characterized in that export described image signal to display described
Before the step of screen is shown, the picture quality regulation method further includes：
Identify whether currently playing content belongs to special scenes；
If so, being based on the corresponding image quality regulative mode of the special scenes, image quality adjusting is carried out to described image signal.
3. picture quality regulation method as claimed in claim 2, which is characterized in that whether the currently playing content of identification belongs to special
Determining scene includes：
If the input channel is digital channel, the corresponding program guide EPG information of currently playing content is obtained；
According to the keyword of programme information in the EPG information, currently playing content is determined；
Correspondence based on preset broadcasting content and special scenes, identifies whether currently playing content belongs to special scenes.
4. picture quality regulation method as claimed in claim 2, which is characterized in that whether the currently playing content of identification belongs to special
Determining scene includes：
If the input channel is the channels HDMI or the channels USB, the image information of continuous multiple frames picture signal is captured；
Extract identical characteristic image in the image information of each frame image signal；
Judge whether the change in location of characteristic image in two frames in the predetermined time or multiple image signal is more than pre-determined distance threshold value；
If so, determining that currently playing content is sharp movement picture, otherwise, it determines currently playing content is weak motion picture；
Correspondence based on preset broadcasting content and special scenes, identifies whether currently playing content belongs to special scenes.
5. picture quality regulation method as described in claim 1, which is characterized in that export described image signal to display described
Before the step of screen is shown, the picture quality regulation method further includes：
Identify whether currently playing content is consistent with preset Video Model；
If so, being based on the corresponding image quality regulative mode of the Video Model, image quality adjusting is carried out to described image signal.
6. picture quality regulation method as claimed in claim 5, which is characterized in that the currently playing content of the identification whether with it is default
Video Model be consistent including：
If the input channel is digital channel, the corresponding program guide EPG information of currently playing content is obtained；Judge default
Video Model set of keywords in whether include programme information in the EPG information keyword；If so, identification is worked as
Preceding broadcasting content is consistent with the Video Model；Or
If the input channel is digital channel, speech recognition is carried out to the audio signal of currently playing content, obtains audio
The corresponding word content of signal；Judge in the set of keywords of preset Video Model whether to include the word content；If
It is then to identify that currently playing content is consistent with the Video Model.
7. picture quality regulation method as claimed in claim 5, which is characterized in that the currently playing content of the identification whether with it is default
Video Model be consistent including：
If the input channel is the channels HDMI or the channels USB, currently playing content is cached；
The image information of currently playing content and the image information of preset Video Model are subjected to image feature comparison；
If Image Feature Matching, identify that currently playing content is consistent with the Video Model.
8. the picture quality regulation method as described in any one of claim 2-7, which is characterized in that the image quality regulative mode includes
It is one or more below：
A, motion compensation MEMC functions are adjusted；
B, image quality adjustment parameter is adjusted, the image quality adjustment parameter includes：Color, clarity, brightness, saturation degree, contrast and
It is one or more in noise reduction；
C, adjustment image quality adjusts algorithm.
9. a kind of intelligent TV set, which is characterized in that the intelligent TV set includes memory, processor and is stored in described
On memory and the image quality that can run on the processor adjusts program, and the image quality adjusts program and executed by the processor
The step of picture quality regulation methods of the Shi Shixian as described in any one of claim 1-8.
10. a kind of computer readable storage medium, which is characterized in that be stored with image quality tune on the computer readable storage medium
Program is saved, the image quality, which is adjusted, realizes that the image quality as described in any one of claim 1-8 is adjusted when program is executed by processor
The step of method.
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