CN108322824A - A kind of method and system that television image is carried out to scene displacement - Google Patents

A kind of method and system that television image is carried out to scene displacement Download PDF

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Publication number
CN108322824A
CN108322824A CN201810161722.3A CN201810161722A CN108322824A CN 108322824 A CN108322824 A CN 108322824A CN 201810161722 A CN201810161722 A CN 201810161722A CN 108322824 A CN108322824 A CN 108322824A
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China
Prior art keywords
picture
image
sectional drawing
data
context information
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CN201810161722.3A
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Chinese (zh)
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CN108322824B (en
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翟让海
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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Priority to CN201810161722.3A priority Critical patent/CN108322824B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/443OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/485End-user interface for client configuration

Abstract

The invention discloses a kind of method and system that television image is carried out to scene displacement, method includes:Acquisition sectional drawing picture simultaneously extracts the image context information in picture, the image context information of acquisition is matched with the image context information of the picture locally preserved, extraction and the character image data in the highest local picture of sectional drawing picture context information matching degree, the character image data extracted are copied in the sectional drawing picture of interception, and cover the character image data of sectional drawing picture, composograph is made, wherein, if in sectional drawing picture without character image data if in picture default location and composograph is made in the character image data cover in the local picture of extraction.The method and system that television image is carried out to scene displacement of the present invention allow user to have the experience of a kind of " on the spot in person ", it can be achieved that by the function in the exquisite scenes such as the movie and television play picture, advertising pictures, the landscape picture that are played in user picture displacement to television set.

Description

A kind of method and system that television image is carried out to scene displacement
Technical field
It is the present invention relates to intelligent TV set technical field of image processing, more particularly to a kind of to set television image progress scene The method and system changed.
Background technology
In recent years, the market accounting of Android system intelligent TV set is increasing, and function is also more and more, receives Consumer's pursues.Smart television movement generally all has image analysis, processing function, as extract image in number of person, The context informations such as gender, clothing, season, weather, time, simultaneously, moreover it is possible to the modifications such as image cut, duplication, size adjusting are carried out, The parameters such as brightness, contrast, clarity are adjusted, are beautified.If above-mentioned background technology is mutually tied with users ' individualized requirement It closes, you can realize the exquisite fields such as movie and television play picture, advertising pictures, the landscape picture that will be played in user picture displacement to television set Function in scape allows user to have the experience of a kind of " on the spot in person ", and is finally that user brings more use to enjoy, to carry Rise user satisfaction.
Invention content
Based on above-mentioned background technology, the object of the present invention is to provide a kind of methods that television image is carried out scene displacement And system is, it can be achieved that by finenesses such as the movie and television play picture, advertising pictures, the landscape pictures that are played in user picture displacement to television set Function in scene allows user to have the experience of a kind of " on the spot in person ".
In order to reach above-mentioned technique effect, the present invention takes following technical scheme:
A method of television image is subjected to scene displacement, is comprised the steps of:
S1. it acquires the sectional drawing picture of television image and extracts the image context information in sectional drawing picture;
S2. the image context information of acquisition is matched with the image context information of the picture locally preserved, wherein this Include character image data, USB flash disk that generally can be in module is locally stored or on being plugged in TV in the picture that ground preserves In, establish a file with specific name (such as:Exchange Picture) it needs to carry out scene for storing user The photo of displacement, and must include personage in photo;
S3. extraction and the character image data in the highest local picture of sectional drawing picture context information matching degree, and The character image data extracted are copied in the sectional drawing picture of interception;
If there are character image data, by the character image in the local picture of extraction in the sectional drawing picture S4. intercepted The character image data of data cover sectional drawing picture, are made composograph, otherwise, by the figure map in the local picture that will be extracted As data cover default location in picture, composograph is made.
Further, in the step S4, if there are character image data, what will be extracted in the sectional drawing picture of interception It, need to be to figure map in local picture when on the character image data cover to the character image data of sectional drawing picture in local picture As the size of data is adjusted, until character image in sectional drawing picture, a highest wisdom is completely covered in character image in local picture When in sectional drawing without character image data, then character image data in the local picture of extraction are placed on the centre of sectional drawing image by acquiescence Position or other suitable positions.
Further, also include step S5:At least the brightness of the composograph, contrast, clarity are carried out automatic Adjustment and beautification.
Further, described image context information is made of several images match elements, and described image Matching Elements are at least Including number of person, gender in image, clothing, season, environment scene, time, wherein be somebody's turn to do " environment scene " images match and want Element is generally available the scene that such as " snowfield ", " seabeach ", " meadow " are representative to name, and " time " images match element can It is distinguished with " daytime " or " night ", in practice, other images match elements can be also added according to specific requirements, such as " day Gas " etc..
Further, to the image scene of the image context information of acquisition and the picture locally preserved in the step S2 When information is matched, the calculation formula of image context information matching degree is as follows:
Y=(X1+X2+X3+X4+X5+ ...+Xn)/n
Wherein, Y is images match degree, and Xn is the score value of each images match element of image context information, and n is image There is the quantity of Matching Elements local picture its final image higher with images match element matching degree in sectional drawing picture to match Degree is higher.
Further, the score value Xn={ 0,0.5,1 } of each images match element of described image context information such as schemes As the matching degree of sunlight and rainwater is identified as 0 in Matching Elements " weather ", i.e., Xn=0 at this time, by sunlight and shadow of object Matching degree is identified as 50%, i.e., Xn=0.5 at this time, by the matching degree society of sunlight and sunlight not Wei 100%, i.e., Xn=1 at this time, most Each element matching degree is summarized afterwards, can both obtain the context information matching degree ranking of local photo and TV sectional drawing.
Meanwhile the invention also discloses a kind of systems that television image is carried out scene displacement, including for preserving local The storage unit of picture, the sectional drawing data acquisition unit for carrying out sectional drawing to television image, for extracting and identifying in picture Image context information data identification unit, for by the image context information of the image context information of sectional drawing and local picture Matched data matching unit is carried out, the data replacement unit for replicating and replacing character image data in sectional drawing picture;
Wherein, the data identification unit is electrically connected with sectional drawing data acquisition unit and storage unit respectively, Data Matching Unit is electrically connected with data identification unit respectively, and data replacement unit is electrically connected with data matching unit and storage unit respectively.
Further, also include image parameter adjustment unit, described image parameter adjustment unit is for adjusting character image Data size and adjust the brightness of picture, contrast, clarity, and image parameter adjustment unit respectively with data replacement unit and Storage unit is electrically connected.
Further, also include the displacement startup list for carrying out sectional drawing to television image for starting sectional drawing data acquisition unit Member, the displacement start unit are electrically connected with sectional drawing data acquisition unit, specifically when setting, can be set to the displacement start unit It is connected in remote controler and with fixed button, i.e., can be sent out to sectional drawing data acquisition unit pair by the lower fixation button by setting Television image carries out the enabling signal of sectional drawing.
Compared with prior art, the present invention having advantageous effect below:
The method and system that television image is carried out to scene displacement through the invention are, it can be achieved that user picture displacement is arrived Function in the fineness scene such as movie and television play picture, advertising pictures, landscape picture for being played on television set, allows user to have a kind of " body Face its border " experience, can preferably expand the function of smart television, and used in the present invention image zooming-out, analysis, modification, Synthesis etc. is the amending image of maturation, analytical technology, can be equipped on Android system television set extensively, need not increase hardware Cost is highly promoted.
Description of the drawings
Fig. 1 is the flow diagram for the method that television image is carried out scene displacement by the present invention.
Fig. 2 is the schematic diagram of the system that television image is carried out to scene displacement of the present invention.
Specific implementation mode
With reference to the embodiment of the present invention, the invention will be further elaborated.
Embodiment:
Embodiment one:
As shown in Figure 1, a kind of method that television image is carried out scene displacement, comprises the steps of:
S101. it acquires the sectional drawing picture of television image and extracts the image context information in sectional drawing picture;
S102. the image context information of acquisition is matched with the image context information of the picture locally preserved, wherein Include character image data, U that generally can be in module is locally stored or on being plugged in TV in the picture locally preserved In disk, establishes a file with specific name and be used to store the photo that user needs progress scene displacement, and in photo Must include personage;The folder name for carrying out the photo of scene displacement is needed to be known as storing user in the present embodiment: Exchange Picture;
S103. extraction and the character image data in the highest local picture of sectional drawing picture context information matching degree, And the character image data extracted are copied in the sectional drawing picture of interception;
S104. judge in sectional drawing picture whether to include character image data;
If there are character image data, by the figure map in the local picture of extraction in the sectional drawing picture S105. intercepted It is adjusted as the character image data of data cover sectional drawing picture, and to the size of character image data in local picture, directly Character image in sectional drawing picture is completely covered to character image in local picture, to which composograph be made;
Otherwise, by the character image data cover in the local picture that will be extracted in picture default location, synthesis is made Image is specifically the centre position that picture is positioned over to picture in the present embodiment.
S106. the brightness of the composograph, contrast, clarity are automatically adjusted and are beautified, may be used also in practice Color saturation, exposure of composograph etc. are suitably adjusted so that composograph has better effect.
S107. the composograph after adjusted and beautification is preserved, and shows the image on a television set, realizes Exchange Personage in Picture photo libraries replaces to the function in television image scene.
Specifically, described image context information is made of several images match elements, described image Matching Elements at least wrap Containing the number of person in image, gender, clothing, season, environment scene, time, wherein should " environment scene " images match element The scene that such as " snowfield ", " seabeach ", " meadow " are representative is generally available to name, " time " images match element is available " daytime " or " night " distinguishes, in practice, other images match elements can be also added according to specific requirements, such as " weather " Deng.
Meanwhile when the image context information to acquisition is matched with the image context information of the picture locally preserved, The calculation formula of its image context information matching degree is as follows:
Y=(X1+X2+X3+X4+X5+ ...+Xn)/n
Wherein, Y is images match degree, and Xn is the score value of each images match element of image context information, and n is image There is the quantity of Matching Elements local picture its final image higher with images match element matching degree in sectional drawing picture to match Degree is higher.
And the score value Xn={ 0,0.5,1 } of each images match element of described image context information, such as images match The matching degree of sunlight and rainwater is identified as 0 in element " weather ", i.e., Xn=0 at this time, by the matching degree of sunlight and shadow of object Be identified as 50%, i.e., Xn=0.5 at this time, by the matching degree society of sunlight and sunlight not Wei 100%, i.e., Xn=1 at this time, finally will be each Element matching degree summarizes, and can both obtain the context information matching degree ranking of local photo and TV sectional drawing.
Embodiment two
A kind of system that television image is subjected to scene displacement, including the storage unit for preserving local picture, is used for The sectional drawing data acquisition unit of sectional drawing, the data for extracting and identifying the image context information in picture are carried out to television image Recognition unit, for the image context information of sectional drawing and the image context information of local picture to be carried out matched Data Matching list Member, the data replacement unit for replicating and replacing character image data in sectional drawing picture, for adjusting character image data ruler It is very little and adjust the brightness of picture, contrast, clarity image parameter adjustment unit, and for starting sectional drawing data acquisition unit The displacement start unit of sectional drawing is carried out to television image.
Wherein, the data identification unit is electrically connected with sectional drawing data acquisition unit and storage unit respectively, Data Matching Unit is electrically connected with data identification unit respectively, and data replacement unit is electrically connected with data matching unit and storage unit respectively, Image parameter adjustment unit is electrically connected with data replacement unit and storage unit respectively, and displacement start unit is acquired with sectional drawing data Unit is electrically connected.
In the present embodiment, storage unit is the USB flash disk being plugged on TV, and entitled Exchange is equipped in USB flash disk The file of Picture needs to carry out the local photo of scene displacement dedicated for storage user, meanwhile, name is equipped in USB flash disk The synthesis for completing scene displacement that referred to as file of My Exchanged Picture needs to store dedicated for storage user Photo.
Meanwhile sectional drawing data acquisition unit, data identification unit, data matching unit, data replacement unit, image parameter Adjustment unit is set in television set, and displacement start unit is set in remote controler and there are one setting on a remote control " scene displacement " Button is corresponding to it, meanwhile, it is additionally provided with " left side " button for moving left and right the choice box in display screen, " right side " on a remote control Button and " determination " button for confirming selection.
In the present embodiment, 4 photos are stored in Exchange Picture files, the image feelings of four photos The images match element of " number of person, gender, clothing, season, environment scene, time " in scape information is respectively:
Local photo 1:2 people, women, down jackets, winter, snowfield, daytime;
Local photo 2:1 people, male, upper body be naked, winter, snowfield, daytime;
Local photo 3:1 people, women, down jackets, winter, snowfield, daytime;
Local photo 4:1 people, women, cotta, summer, meadow, daytime;
If user is when watching TV, it is seen that the snow scenes in television image are very beautiful, it is desirable to choose screen shot progress Scene is replaced, then user can first short-press " scene displacement " button, replace start unit to pass through and start sectional drawing data acquisition list Member to current television picture carry out sectional drawing, then user can again long-press " scene displacement " key to run data identification unit to section The picture of diagram data collecting unit interception extracts and identifies the image context information in picture;
In the present embodiment, data identification unit identifies " number of person, property in the image context information in sectional drawing picture Not, the images match element of clothing, season, environment scene, time " is respectively:
1 people, young woman, red longuette, winter, snowfield, daytime;
And data identification unit identify in the image context information in local picture " number of person, gender, clothing, The images match element of season, environment scene, time " is respectively:
Local photo 1:2 people, women, down jackets, winter, snowfield, daytime;
Local photo 2:1 people, male, upper body be naked, winter, snowfield, daytime;
Local photo 3:1 people, women, down jackets, winter, snowfield, daytime;
Local photo 4:1 people, women, cotta, summer, meadow, daytime;
Then data matching unit by the data gone out according to said extracted to 4 photographs in " Exchange Picture " in USB flash disk The context information of piece carries out matching degree calculating, and specific formula for calculation is as follows:
Y=(X1+X2+X3+X4+X5+……+Xn)/n
Wherein, Y is images match degree, XnIt is the score value of each images match element of image context information, n is image The quantity of Matching Elements.
Then Y=(X in the present embodiment1+X2+X3+X4+X5+X6)/6;Wherein:
X1Be a certain picture image context information in number of person images match element score value;
X2Be a certain picture image context information in personage's gender images match element score value;
X3Be a certain picture image context information in personage clothing images match element score value;
X4Be a certain picture image context information in season images match element score value;
X5Be a certain picture image context information in environment scene images match element score value;
X6Be a certain picture image context information in the time images match element score value.
Then, data matching unit obtains after carrying out matching degree calculating:
Images match degree Y=(0+1+0.5+1+1+1)/6=0.75 of local photo 1, the i.e. images match of local photo 1 Degree is 75%;
Images match degree Y=(1+0+0+1+1+1)/6=0.67 of local photo 2, i.e. the images match degree of local photo 1 It is 67%;
Images match degree Y=(1+1+0.5+1+1+1)/6=0.92 of local photo 3, the i.e. images match of local photo 1 Degree is 92%;
Images match degree Y=(1+1+0+0+0+1)/6=0.5 of local photo 4, i.e. the images match degree of local photo 1 It is 50%.
Then in summary, the images match degree highest of local photo 3, then data replacement unit will be in local photo 3 Personage's extracting section comes out and covers the personage part in sectional drawing picture, and adjustment size is to personage therein is completely covered, together When, then the brightness of composograph, contrast, clarity are beautified by image parameter adjustment unit, form final set Change picture.
Television image again shows the image after synthesis, to realize local photo 3 and personage in TV sectional drawing Scene is replaced, and operable " left side " button of user, " right side " button and " determination " button come in " Exchange Picture " Other local photos carry out personage's displacement, and select " My Exchanged in the photomontage to USB flash disk for needing to preserve It is preserved in Picture " files.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.

Claims (9)

1. a kind of method that television image is carried out scene displacement, which is characterized in that comprise the steps of:
S1. it acquires the sectional drawing picture of television image and extracts the image context information in sectional drawing picture;
S2. the image context information of acquisition is matched with the image context information of the picture locally preserved, wherein local to protect Include character image data in the picture deposited;
S3. extraction and the character image data in the highest local picture of sectional drawing picture context information matching degree, and will carry The character image data of taking-up copy in the sectional drawing picture of interception;
If there are character image data, by the character image data in the local picture of extraction in the sectional drawing picture S4. intercepted The character image data for covering sectional drawing picture, are made composograph, otherwise, by the character image number in the local picture that will be extracted According to default location in picture is covered in, composograph is made.
2. a kind of method that television image is carried out scene displacement according to claim 1, which is characterized in that in the step In rapid S4, if having character image data, the character image data in the local picture that will be extracted in the sectional drawing picture of interception When covering in the character image data of sectional drawing picture, the size of character image data in local picture need to be adjusted, directly Character image in sectional drawing picture is completely covered to character image in local picture.
3. a kind of method that television image is carried out scene displacement according to claim 1, which is characterized in that also include step Rapid S5:At least the brightness of the composograph, contrast, clarity are automatically adjusted and are beautified.
4. a kind of method that television image is carried out scene displacement according to claim 1, which is characterized in that described image Context information is made of several images match elements, described image Matching Elements include at least image in number of person, gender, Clothing, season, environment scene, time.
5. a kind of method that television image is carried out scene displacement according to claim 4, which is characterized in that in the step When being matched with the image context information of the picture locally preserved to the image context information of acquisition in rapid S2, image scene The calculation formula of information matches degree is as follows:
Y=(X1+X2+X3+X4+X5+……+Xn)/n
Wherein, Y is images match degree, XnIt is the score value of each images match element of image context information, n is images match The quantity of element.
6. a kind of method that television image is carried out scene displacement according to claim 5, which is characterized in that described image The score value X of each images match element of context informationn={ 0,0.5,1 }.
7. a kind of system that television image is carried out scene displacement, which is characterized in that include the storage for preserving local picture Unit, the sectional drawing data acquisition unit for carrying out sectional drawing to television image, for extracting and identifying the image scene in picture The data identification unit of information, it is matched for carrying out the image context information of the image context information of sectional drawing and local picture Data matching unit, the data replacement unit for replicating and replacing character image data in sectional drawing picture;
Wherein, the data identification unit is electrically connected with sectional drawing data acquisition unit and storage unit respectively, data matching unit It is electrically connected respectively with data identification unit, data replacement unit is electrically connected with data matching unit and storage unit respectively.
8. a kind of system that television image is carried out scene displacement according to claim 7, which is characterized in that also include figure As parameter adjustment unit, described image parameter adjustment unit be used to adjust character image data size and adjust picture brightness, Contrast, clarity, and image parameter adjustment unit is electrically connected with data replacement unit and storage unit respectively.
9. a kind of system that television image is carried out scene displacement according to claim 7, which is characterized in that also include to use The displacement start unit of sectional drawing, the displacement start unit and sectional drawing are carried out to television image in startup sectional drawing data acquisition unit Data acquisition unit is electrically connected.
CN201810161722.3A 2018-02-27 2018-02-27 Method and system for carrying out scene replacement on television picture Active CN108322824B (en)

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