CN105872845A - Method for intelligently regulating size of subtitles and television - Google Patents
Method for intelligently regulating size of subtitles and television Download PDFInfo
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- CN105872845A CN105872845A CN201610243428.8A CN201610243428A CN105872845A CN 105872845 A CN105872845 A CN 105872845A CN 201610243428 A CN201610243428 A CN 201610243428A CN 105872845 A CN105872845 A CN 105872845A
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- captions
- caption area
- caption
- beholder
- face image
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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
- H04N21/488—Data services, e.g. news ticker
-
- 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
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
-
- 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
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- 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
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
-
- 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
- H04N21/4858—End-user interface for client configuration for modifying screen layout parameters, e.g. fonts, size of the windows
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Social Psychology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Controls And Circuits For Display Device (AREA)
- Studio Circuits (AREA)
Abstract
The invention discloses a method for intelligently regulating the size of subtitles. The method comprises the steps that a television acquires face image information of a watcher and judges whether a subtitle enlarging function is started or not according to the face image information; when the subtitle enlarging function is started, a subtitle area in a current display picture is recognized and acquired; the subtitles in the subtitle area are enlarged, and a subtitle area in which the subtitles are enlarged is generated; the subtitle area in which the subtitles are enlarged and the current display picture are overlaid to generate a new display picture, and the new display picture is displayed. The invention further discloses the television. According to the method and the television, the size of fonts in the video picture can be automatically regulated without changing the effect of image content, the fonts can be effectively enlarged without losing the picture content when a user watches a movie, therefore, the user can clearly see the subtitle content in the display picture without needing to wear glasses or manually changing the size of the subtitles, and the user experience is effectively improved.
Description
Technical field
The present invention relates to TV domain, particularly relate to method and the television set of Intelligent adjustment size of caption.
Background technology
In audio/video player system, television set, as the display device in a parlor, is played the part of in the culture of parlor
The person of drilling key player, but parlor is as an environment loosened, many users like casual and arbitrarily pass through
Television-viewing program, wherein this part contains most myopia user, and these certain customers need to pop
Eyes or partly narrow eyes just can see the captions on screen, particularly myope user without eye
In the case of eyeball, performance is especially prominent.
In the prior art, user can manually regulate the size of display screen display font, the most also
Zooming in or out of picture can be brought, it is also possible to solve by the way of standing up to find and wear eyes
State problem, but the above-mentioned user of broadly falling into autonomous (aggressive mode) go to change self or the size of font,
Manufacture trouble to user's viewing, used for user and bring inconvenience.
Summary of the invention
Present invention is primarily targeted at a kind of method that Intelligent adjustment size of caption is provided, it is intended to solve to suffer from
The user having myopia needs manually to regulate the technical problem of display screen display font size when viewing.
For achieving the above object, the present invention provides a kind of method of Intelligent adjustment size of caption, described intelligence
The method of regulation size of caption comprises the following steps:
Television set obtains the human face image information of beholder, and judges whether according to described human face image information
Open captions enlarging function；
When opening captions enlarging function, identify and obtain the caption area in currently displaying picture；
Amplify the captions in described caption area, generate the caption area after captions amplify；
Caption area after being amplified by described captions and currently displaying picture generate new display after being overlapped
Picture also shows.
Preferably, the captions in the described caption area of described amplification, generate the caption area after captions amplify
Step include:
By default captions recognizer, described caption area is carried out subtitle recognition, it is thus achieved that described subtitle region
The scope of subtitle parts and caption information in territory；
Fill the scope of subtitle parts described in described caption area according to default filling algorithm, generate first
Image；
According to described caption information, the captions in described caption information are amplified, generate the second image；
By described first image and the second imaging importing, generate the caption area after captions amplify.
Preferably, described when opening captions enlarging function, identify and obtain the word in currently displaying picture
The step in curtain region includes:
According to the region that preset position information described in the currently displaying picture of preset position information identification is corresponding it is
No for caption area, the most then obtain the caption area in current picture, otherwise, pass through preset algorithm
Caption area in currently displaying picture is identified, obtains the caption area in currently displaying picture.
Preferably, described television set obtains the human face image information of beholder, and according to described facial image
Information judges whether that the step opening captions enlarging function includes:
The face image of television set shooting beholder, and pass through face recognition algorithms identification and obtain described sight
Human face image information in the face image of the person of seeing；
Judge that described beholder is the need of opening captions enlarging function according to described human face image information；
When determining described beholder and needing to open captions enlarging function, according to described human face image information
Judge whether described beholder has worn glasses, be the most then not turned on captions enlarging function, otherwise, open
Open captions enlarging function.
Preferably, described according to described human face image information judge described user the need of open captions put
The step of big function includes:
The user profile of described beholder is obtained according to described human face image information；
Judge that described in described user profile, whether beholder is with glasses, the most then judge described viewing
Person needs to open captions enlarging function, otherwise, it is judged that described beholder need not open captions enlarging function.
Additionally, for achieving the above object, the present invention also provides for a kind of television set, and described television set includes:
Obtain judge module, for obtaining the human face image information of beholder, and according to described facial image
Information judges whether to open captions enlarging function；
Caption area identification module, for when opening captions enlarging function, identifying and obtain currently displaying
Caption area in picture；
Caption area amplification module, for amplifying the captions in described caption area, after generating captions amplification
Caption area；
Display picture generation module, the caption area after described captions are amplified and currently displaying picture
Generate new display picture after being overlapped and show.
Preferably, described caption area amplification module includes:
Caption area analytic unit, for carrying out word by default captions recognizer to described caption area
Curtain identifies, it is thus achieved that the scope of subtitle parts and caption information in described caption area；
First image generation unit, for according to presetting word described in the filling algorithm described caption area of filling
The scope of curtain part, generates the first image；
Second image generation unit, for entering the captions in described caption information according to described caption information
Row amplifies, and generates the second image；
Caption area signal generating unit, for by described first image and the second imaging importing, generates captions and puts
Caption area after great.
Preferably, described caption area identification module includes:
The preferential recognition unit of predeterminated position, for according to institute in the currently displaying picture of preset position information identification
State whether region corresponding to preset position information is caption area, the most then obtain the word in current picture
Curtain region, otherwise, is identified the caption area in currently displaying picture by preset algorithm, obtains
Caption area in currently displaying picture.
Preferably, described acquisition judge module includes:
Human face image information acquiring unit, for shooting the face image of beholder, and passes through recognition of face
Algorithm identification the human face image information in obtaining the face image of described beholder；
User function judging unit, for according to described human face image information judge described user the need of
Open captions enlarging function；
Function opens judging unit, is used for when determining described beholder and needing to open captions enlarging function,
Judge whether described beholder has worn glasses according to described human face image information, be the most then not turned on word
Curtain enlarging function, otherwise, opens captions enlarging function.
Preferably, described user function judging unit includes:
User profile acquiring unit, for obtaining the user of described beholder according to described human face image information
Information；
Open judging unit, be used for judging that described in described user profile, whether beholder is with glasses, if
It is then to judge that described beholder needs to open captions enlarging function, otherwise, it is judged that described beholder is not required to
Captions enlarging function to be opened.
The method of a kind of Intelligent adjustment size of caption that the embodiment of the present invention proposes and television set, by obtaining
The human face image information of viewing user, and described human face image information is judged, when determining needs
When opening captions enlarging function, identify and obtain the caption area in currently displaying picture, by caption area
Superpose with currently displaying picture after being amplified, generate and show the display picture after superposition, it is achieved that oneself
Dynamic detection viewing User Status, when determining described viewing user and needing captions enlarging function, amplifies aobvious
Show the subtitle parts in picture, make viewing user can be clearly seen that the caption content in display picture,
Avoid viewing user and amplification font is manually set.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the first embodiment of the method for Intelligent adjustment size of caption of the present invention；
Fig. 2 is the schematic flow sheet of the second embodiment of the method for Intelligent adjustment size of caption of the present invention；
Fig. 3 is that one detailed description of the invention of the present invention is embodied as steps flow chart schematic diagram；
Fig. 4 is the schematic flow sheet of the 3rd embodiment of the method for Intelligent adjustment size of caption of the present invention；
Fig. 5 be in a kind of television set display interface caption content often in area schematic；
Fig. 6 is the schematic flow sheet of the 4th embodiment of the method for Intelligent adjustment size of caption of the present invention；
Fig. 7 is that another detailed description of the invention of the present invention is embodied as steps flow chart schematic diagram；
Fig. 8 is that another kind detailed description of the invention of the present invention is embodied as steps flow chart schematic diagram；
Fig. 9 is the high-level schematic functional block diagram of television set first embodiment of the present invention；
Figure 10 is the high-level schematic functional block diagram of television set the second embodiment of the present invention；
Figure 11 is the high-level schematic functional block diagram of television set the 3rd embodiment of the present invention；
Figure 12 is the high-level schematic functional block diagram of television set the 4th embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further
Explanation.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
The primary solutions of the embodiment of the present invention is: television set obtains the human face image information of beholder,
And judge whether to open captions enlarging function according to described human face image information；When opening captions enlarging function
Time, identify and obtain the caption area in currently displaying picture；Amplify the captions in described caption area,
Generate the caption area after captions amplify；Caption area after described captions are amplified and currently displaying picture
Generate new display picture after being overlapped and show.
Owing to prior art needs user manually to arrange unlatching character style amplifying function, user's viewing process is made
Become inconvenience.
The present invention provides a solution, makes user when viewing, and television set can be according to the current shape of user
State automatically turns on captions enlarging function, decreases During manual operation during user's viewing.
With reference to Fig. 1, the first embodiment of the method for Intelligent adjustment size of caption of the present invention, described Intelligent adjustment
The method of size of caption includes:
Step S100, television set obtains the human face image information of beholder, and believes according to described facial image
Breath judges whether to open captions enlarging function.
During user's viewing, television set obtains the human face image information in described beholder's face image, according to
Described human face image information judges whether to open captions enlarging function.
Judge whether to open captions enlarging function it should be understood that described according to human face image information, permissible
In beholder's image that preferential basis photographs, human face image information size in described shooting picture is to sight
Distance between the person of seeing and television set judges, if the distance between beholder and television set is less than clear
Viewing distance, then it is believed that beholder need not open captions enlarging function, be then not turned on captions and amplify
Function, described understands that viewing distance can carry out test according to television set size and draw；
Further, the distance between described beholder and television set more than understand viewing distance time, then
Human face image information according to described beholder judges whether beholder has worn glasses, if beholder wears
Wear glasses, be then not turned on captions enlarging function；
Further, do not wear when determining described beholder according to the human face image information of described beholder
During glasses, then judging beholder the need of opening captions enlarging function, a kind of method is: obtain
Take that beholder presets marks the need of wearing spectacles viewing, if described in be labeled as beholder and need to wear
Glasses viewing, then open captions enlarging function, if it is not, be then not turned on captions enlarging function, other method
For: obtain the human face image information that beholder presets, entered by the human face image information that beholder is preset
Row identifies, it is judged that in the human face image information that beholder presets, whether described beholder has worn glasses,
The most then open captions enlarging function, otherwise, be not turned on captions enlarging function.
Step S200, when opening captions enlarging function, identifies and obtains the captions in currently displaying picture
Region.
When opening captions enlarging function, currently displaying picture is identified, obtains currently displaying picture
In caption area, described caption area is the viewing area of captions in currently displaying picture, for ensure word
The degree of accuracy of curtain region recognition, can be marked the caption area of identification, beholder confirm subtitle region
Whether territory identifies accurately.
Step S300, amplifies the captions in described caption area, generates the caption area after captions amplify.
Amplify the captions in described caption area according to described caption area, and generate after captions amplify
Caption area, the method for the captions in the described caption area of described amplification includes: the face to caption area
Amass and be amplified and the captions in caption area are used bigger font.
Step S400, the caption area after being amplified by described captions and currently displaying picture are raw after being overlapped
The display picture of Cheng Xin also shows.
Caption area after being amplified by described captions is overlapped with currently displaying picture, generates new display
Picture, and show the display picture after superposition, one preferably embodiment includes: put by described captions
Caption area after great is added in currently displaying picture, overlap-add region be former caption area described currently
Region in display picture.
When being embodied as, the present embodiment detailed description of the invention includes:
1, shooting user's face image, by user's face image of shooting is carried out recognition of face, and sentences
Whether disconnected active user is with glasses；
2, based on the distance between beholder and television set and active user, detection with glasses is tied
Really, application font whether enlarging function adaptively；
3, in application font whether enlarging function, first have to by current picture, identify and detect and work as
The caption area of front picture；Secondly according to the area to current subtitle region, different magnification ratios is selected
Caption area is amplified, generates the caption area after amplifying；
4, the caption area after being amplified by described captions is added in currently displaying picture, and display is superimposed with puts
The picture of the caption area after great.
In the present embodiment, by shooting and identifying acquisition beholder's human face image information, according to face figure
As information determine need open captions enlarging function time, identify and obtain the captions in currently displaying picture
Captions in described caption area are amplified by region, and the caption area after amplifying is with current aobvious
Show picture superposition, generate the display picture after captions amplify and show so that television set can be automatically to sight
The person's of seeing current viewing environment judges, and when determining beholder and needing to open captions enlarging function
Open captions enlarging function, amplify the size of captions in the caption area in display picture, make beholder see
It is clear that captions during shadow.
Further, with reference to Fig. 2, the second embodiment of the method for Intelligent adjustment size of caption of the present invention, base
In the embodiment shown in above-mentioned Fig. 1, described step S300, amplify the captions in described caption area, raw
Caption area after becoming captions to amplify includes:
Step S301, carries out subtitle recognition by default captions recognizer to described caption area, it is thus achieved that
The scope of subtitle parts and caption information in described caption area.
By default captions recognizer, described caption area is carried out subtitle recognition, obtain described subtitle region
The scope of subtitle parts in territory, and caption information, described caption information includes: caption content and font are big
Little.
Step S302, fills the scope of subtitle parts described in described caption area according to default filling algorithm,
Generate the first image.
Fill the scope of subtitle parts described in described caption area by default filling algorithm, generate first
Image, described filling algorithm specifically can be by obtaining the scope of subtitle parts described in described caption area
The pixel of periphery is filled with generating the first image to the scope of described subtitle parts, further, in order to
Ensure filling effect, by Fuzzy Processing, the first image of described generation is further processed.
Captions in described caption information are amplified by step S303 according to described caption information, generate
Second image.
According to described caption information, the captions in described caption information are amplified, generate the second image,
Wherein, the magnification ratio of described amplification can be preset by beholder or television set production firm, further,
The magnification ratio of described amplification can also be by the length of current subtitle, caption area size and size of caption
Dynamically adjust, it is possible to understand that, if directly caption area Chinese version part being amplified, then may be used
The problems such as the captions after amplifying are fuzzy can occur, therefore, a kind of better embodiment of the present invention can root
Use according to the caption content in caption information the font size after presetting font use amplification to export, and then make
Captions after amplifying when must show are the most clear.
Step S304, by described first image and the second imaging importing, generates the subtitle region after captions amplify
Territory.
By described first image and the second imaging importing, will described second imaging importing to described first figure
In Xiang, generate the caption area after captions amplify, subtitle parts be only amplified by described caption area,
Non-subtitle parts is not amplified.
When being embodied as, the present embodiment be embodied as step as it is shown on figure 3, include:
1, in currently displaying picture that is first image, automatically detect the caption area of current picture, and sentence
Whether disconnected current region exists caption information；
2, in caption area, current subtitle region is carried out subtitle recognition, and by caption area and non-word
Curtain is separated, relies on and deducts the caption information identified, is divided present image picture described above
Become non-subtitle region image and subtitle region image two parts,
For non-subtitle region image, there is following features, retain the pixel of the non-caption area of the second image
Value, is then set to zero for the pixel value in caption area；
For subtitle region image, there is following features, for being set to of non-caption area of the second image
Zero, the pixel value in caption area is then retained.
3, for non-subtitle region image, to image carries out subtitle region in holes filling operation, i.e. this image
(above the position of position zero is set because of caption area) in the pixel of position, territory and relies on neighboring pixel to carry out content and fill out
Fill, complete holes filling operation, obtain the 3rd image；
For caption area image, caption area image is carried out a certain degree of amplification, obtain the 3rd figure
Picture；
Wherein, for magnification ratio, can fix in advance, it is also possible to according to the length of current subtitle and
Size dynamically adjusts；
4, the second image obtained and the 3rd image are overlapped, obtain the caption area after captions amplify,
Captions are only amplified and do not change non-caption content by the caption area after these captions amplify.
In the present embodiment, based on the advantage described in a upper embodiment, caption area is being entered by the present embodiment
When row amplifies, by subtitle recognition algorithm, identify the subtitle parts in caption area and obtain caption information,
Neighboring pixel is used to be filled with generating the first image, in subtitle parts subtitle parts in caption area
Appearance is amplified, and generates the second image, superposition the first image and the second image and generates the word after captions amplify
Curtain region, improve the caption area quality after superposition, it is to avoid during display caption area show do not know or
The empty problem such as pixel, ghost image occurs.
Further, with reference to Fig. 4, the 3rd embodiment of the method for Intelligent adjustment size of caption of the present invention, base
In the embodiment shown in above-mentioned Fig. 1, described step S200, when opening captions enlarging function, identify also
The caption area obtained in currently displaying picture includes:
Step S201, according to preset position information pair described in the currently displaying picture of preset position information identification
Whether the region answered is caption area, the most then obtain the caption area in current picture, otherwise, logical
Cross preset algorithm the caption area in currently displaying picture is identified, obtain in currently displaying picture
Caption area.
During owing to playing major part video, the caption area in video is substantially stationary, as it is shown in figure 5, because of
This, for reducing operand during caption area identification, improves caption area recognition efficiency, can be according to default position
Confidence breath identifies whether the region that described in currently displaying picture, preset position information is corresponding is caption area,
The most then obtain the caption area in current picture, otherwise, by preset algorithm to currently displaying picture
In caption area be identified, obtain the caption area in currently displaying picture, it is possible to understand that, institute
State preset position information to be added by beholder or television set production firm is preset.
Further, when being embodied as, as it is shown in figure 5, using horizontal caption area as main subtitle region
Territory, and the vertical caption area in right side is as secondary caption area, is embodied as step and includes:
Main caption area position described in face is changed according to main caption area positional information identification is currently displaying
Whether region corresponding to information is caption area, the most then obtain the caption area in current picture, if
No, then change secondary caption area position described in face according to secondary caption area positional information identification is currently displaying
Whether the region that confidence breath is corresponding is caption area, the most then obtain the caption area in current picture,
If it is not, then the caption area in currently displaying picture is identified by preset algorithm, obtain current aobvious
Show the caption area in picture.
In the present embodiment, based on the advantage described in a upper embodiment, in the present embodiment, predetermined word is passed through
Curtain zone position information, when being identified caption area, first identifies and presets captions zone position
The region that breath is corresponding, if the region recognizing default captions zone position information corresponding is caption area, obtains
Take current subtitle region, to the region recognition that all default captions zone position informations are corresponding complete after, right
The whole region of currently displaying picture is identified thus obtains caption area so that in caption area identification
During decrease identification operand, improve caption area recognition efficiency simultaneously.
Further, with reference to Fig. 6, the 4th embodiment of the method for Intelligent adjustment size of caption of the present invention, base
In the embodiment shown in above-mentioned Fig. 1, described step S100, television set obtains the facial image letter of beholder
Breath, and judge whether that opening captions enlarging function includes according to described human face image information:
Step S101, the face image of television set shooting beholder, and by face recognition algorithms identification also
Obtain the human face image information in the face image of described beholder.
Television set is by the camera shooting beholder's face image carried, and is known by face recognition algorithms
Human face image information in the face image of the most described beholder, obtains described human face image information simultaneously.
According to described human face image information, step S102, judges that described beholder is put the need of opening captions
Big function.
The user profile of described beholder is obtained according to described human face image information；Judge described user profile
Described in the human face image information preset of beholder whether with glasses, the most then judge described beholder
Need to open captions enlarging function, otherwise, it is judged that described beholder need not open captions enlarging function,
It should be understood that the user profile of described beholder can also include whether beholder has unlatching captions
The authority information of enlarging function, if beholder does not have unlatching captions enlarging function, is then not turned on captions and puts
Big function, further, can also include whether beholder allows out in the user profile of described beholder
Opening captions enlarging function, if not allowing, being then not turned on captions enlarging function.
Step S103, when determining described beholder and needing to open captions enlarging function, according to described people
Face image information judges whether described beholder has worn glasses, the most then be not turned on captions enlarging function,
Otherwise, captions enlarging function is opened.
In the present embodiment, for step S102 and step S103, one is embodied as step such as Fig. 7 (figure
7 is flow chart, and the step how to have is only a module (face detection module, face recognition module)？)
Shown in, including:
1, active user's face image of shooting is carried out recognition of face, the user's face that will detect, with
The photo of the real human face of the early stage warehouse-in (face database registered in system) in system is conducted oneself
Face identification, it is judged that in the current image information obtained, if there is the face of active user；
2, there is the face of active user, and with glasses；
3 by whether with the computational analysis of eye module, be made whether with glasses current face
Discriminance analysis, and provide recognition result；
If 4 recognition results be active user not with glasses, then need open captions enlarging function, otherwise,
Need not open captions enlarging function.
When the present embodiment is embodied as, be embodied as step such as Fig. 8 (below step and Fig. 8 are the most corresponding,
And lack of standardization, flow chart how to have user registration module,...Detection module？？Shown in), including:
1, shooting user's face image, active user registers the most in systems, is directly entered step 2,
Otherwise, then active user is registered, i.e. when user uses this function for the first time, prompting user adopts
The face image data of collection active user, as log-on data, as after user A registers, retains user A
Face characteristic and rely on this face characteristic to judge whether log-on message with glasses, (note for the first time
During volume, active user A whether also user can be pointed out to be actively entered by user with glasses whether wear a pair of spectacles is made
Input for log-on message), after this user registration, whether face characteristic information and information with glasses deposit
Storage is in systems, in order to follow-up carry out contrasting and as the differentiation bar whether opening the automatic enlarging function of font
Part；
2, by user's face image of shooting is carried out recognition of face, and judge active user whether with
Glasses；
Whether 3, based on active user with the testing result of glasses, whether application font amplifies adaptively
Function；
4, in application font whether enlarging function, first have to, by current picture, automatically identify and detect
Caption area to current picture；Secondly according to the size in current font region and length, difference is selected
Magnification ratio and display mode；
5, the caption area after amplifying is overlapped with image, the interface after display amplification.
In the present embodiment, based on the advantage described in a upper embodiment, by the image that beholder is preserved
Contrast with beholder's image during current viewing, it is judged that to beholder's wearing spectacles at ordinary times, but this time see
During shadow during non-wearing spectacles, open captions enlarging function to the need of opening captions enlarging function
Judgement the most accurate, and the size of the font can being automatically adjusted in video pictures and do not change in image
Hold, and effectively can amplify font and not lose image content.
With reference to Fig. 9, the first embodiment of television set of the present invention, described television set includes:
Obtain judge module 100, for obtaining the human face image information of beholder, and according to described face figure
As information judges whether to open captions enlarging function.
During user's viewing, television set obtains the human face image information in described beholder's face image, according to
Described human face image information judges whether to open captions enlarging function.
Judge whether to open captions enlarging function it should be understood that described according to human face image information, permissible
In beholder's image that preferential basis photographs, human face image information size in described shooting picture is to sight
Distance between the person of seeing and television set judges, if the distance between beholder and television set is less than clear
Viewing distance, then it is believed that beholder need not open captions enlarging function, be then not turned on captions and amplify
Function, described understands that viewing distance can carry out test according to television set size and draw；
Further, the distance between described beholder and television set more than understand viewing distance time, then
Human face image information according to described beholder judges whether beholder has worn glasses, if beholder wears
Wear glasses, be then not turned on captions enlarging function；
Further, do not wear when determining described beholder according to the human face image information of described beholder
During glasses, then judging beholder the need of opening captions enlarging function, a kind of method is: obtain
Take that beholder presets marks the need of wearing spectacles viewing, if described in be labeled as beholder and need to wear
Glasses viewing, then open captions enlarging function, if it is not, be then not turned on captions enlarging function, other method
For: obtain the human face image information that beholder presets, entered by the human face image information that beholder is preset
Row identifies, it is judged that in the human face image information that beholder presets, whether described beholder has worn glasses,
The most then open captions enlarging function, otherwise, be not turned on captions enlarging function.
Caption area identification module 200, for when opening captions enlarging function, identifies and obtains current aobvious
Show the caption area in picture.
When opening captions enlarging function, currently displaying picture is identified, obtains currently displaying picture
In caption area, described caption area is the viewing area of captions in currently displaying picture, for ensure word
The degree of accuracy of curtain region recognition, can be marked the caption area of identification, beholder confirm subtitle region
Whether territory identifies accurately.
Caption area amplification module 300, for amplifying the captions in described caption area, generates captions and amplifies
After caption area.
Amplify the captions in described caption area according to described caption area, and generate after captions amplify
Caption area, the method for the captions in the described caption area of described amplification includes: the face to caption area
Amass and be amplified and the captions in caption area are used bigger font.
Display picture generation module 400, the caption area after described captions are amplified and currently displaying picture
Face generates new display picture and shows after being overlapped.
Caption area after being amplified by described captions is overlapped with currently displaying picture, generates new display
Picture, and show the display picture after superposition, one preferably embodiment includes: put by described captions
Caption area after great is added in currently displaying picture, overlap-add region be former caption area described currently
Region in display picture.
When being embodied as, the present embodiment detailed description of the invention includes:
1, shooting user's face image, by user's face image of shooting is carried out recognition of face, and sentences
Whether disconnected active user is with glasses；
2, based on the distance between beholder and television set and active user, detection with glasses is tied
Really, application font whether enlarging function adaptively；
3, in application font whether enlarging function, first have to by current picture, identify and detect and work as
The caption area of front picture；Secondly according to the area to current subtitle region, different magnification ratios is selected
Caption area is amplified, generates the caption area after amplifying；
4, the caption area after being amplified by described captions is added in currently displaying picture, and display is superimposed with puts
The picture of the caption area after great.
In the present embodiment, by shooting and identifying acquisition beholder's human face image information, according to face figure
As information determine need open captions enlarging function time, identify and obtain the captions in currently displaying picture
Captions in described caption area are amplified by region, and the caption area after amplifying is with current aobvious
Show picture superposition, generate the display picture after captions amplify and show so that television set can be automatically to sight
The person's of seeing current viewing environment judges, and when determining beholder and needing to open captions enlarging function
Open captions enlarging function, amplify the size of captions in the caption area in display picture, make beholder see
It is clear that captions during shadow.
Further, with reference to Figure 10, the second embodiment of television set of the present invention, based on shown in above-mentioned Fig. 9
Embodiment, described caption area amplification module 300 includes:
Caption area analytic unit 301, for carrying out described caption area by default captions recognizer
Subtitle recognition, it is thus achieved that the scope of subtitle parts and caption information in described caption area.
By default captions recognizer, described caption area is carried out subtitle recognition, obtain described subtitle region
The scope of subtitle parts in territory, and caption information, described caption information includes: caption content and font are big
Little.
First image generation unit 302, for according to presetting described in the filling algorithm described caption area of filling
The scope of subtitle parts, generates the first image.
Fill the scope of subtitle parts described in described caption area by default filling algorithm, generate first
Image, described filling algorithm specifically can be by obtaining the scope of subtitle parts described in described caption area
The pixel of periphery is filled with generating the first image to the scope of described subtitle parts, further, in order to
Ensure filling effect, by Fuzzy Processing, the first image of described generation is further processed.
Second image generation unit 303, is used for according to described caption information the captions in described caption information
It is amplified, generates the second image.
According to described caption information, the captions in described caption information are amplified, generate the second image,
Wherein, the magnification ratio of described amplification can be preset by beholder or television set production firm, further,
The magnification ratio of described amplification can also be by the length of current subtitle, caption area size and size of caption
Dynamically adjust, it is possible to understand that, if directly caption area Chinese version part being amplified, then may be used
The problems such as the captions after amplifying are fuzzy can occur, therefore, a kind of better embodiment of the present invention can root
Use according to the caption content in caption information the font size after presetting font use amplification to export, and then make
Captions after amplifying when must show are the most clear.
Caption area signal generating unit 304, for by described first image and the second imaging importing, generates captions
Caption area after amplification.
By described first image and the second imaging importing, will described second imaging importing to described first figure
In Xiang, generate the caption area after captions amplify, subtitle parts be only amplified by described caption area,
Non-subtitle parts is not amplified.
When being embodied as, the present embodiment be embodied as step as it is shown on figure 3, include:
1, in currently displaying picture that is first image, automatically detect the caption area of current picture, and sentence
Whether disconnected current region exists caption information；
2, in caption area, current subtitle region is carried out subtitle recognition, and by caption area and non-word
Curtain is separated, relies on and deducts the caption information identified, is divided present image picture described above
Become non-subtitle region image and subtitle region image two parts,
For non-subtitle region image, there is following features, retain the pixel of the non-caption area of the second image
Value, is then set to zero for the pixel value in caption area；
For subtitle region image, there is following features, for being set to of non-caption area of the second image
Zero, the pixel value in caption area is then retained.
3, for non-subtitle region image, to image carries out subtitle region in holes filling operation, i.e. this image
(above the position of position zero is set because of caption area) in the pixel of position, territory and relies on neighboring pixel to carry out content and fill out
Fill, complete holes filling operation, obtain the 3rd image；
For caption area image, caption area image is carried out a certain degree of amplification, obtain the 3rd figure
Picture；
Wherein, for magnification ratio, can fix in advance, it is also possible to according to the length of current subtitle and
Size dynamically adjusts；
4, the second image obtained and the 3rd image are overlapped, obtain the caption area after captions amplify,
Captions are only amplified and do not change non-caption content by the caption area after these captions amplify.
In the present embodiment, based on the advantage described in a upper embodiment, caption area is being entered by the present embodiment
When row amplifies, by subtitle recognition algorithm, identify the subtitle parts in caption area and obtain caption information,
Neighboring pixel is used to be filled with generating the first image, in subtitle parts subtitle parts in caption area
Appearance is amplified, and generates the second image, superposition the first image and the second image and generates the word after captions amplify
Curtain region, improve the caption area quality after superposition, it is to avoid during display caption area show do not know or
The empty problem such as pixel, ghost image occurs.
Further, with reference to Figure 11, the 3rd embodiment of television set of the present invention, based on shown in above-mentioned Figure 10
Embodiment, described caption area identification module 200 includes:
The preferential recognition unit of predeterminated position 201, for according in the currently displaying picture of preset position information identification
Whether the region that described preset position information is corresponding is caption area, the most then obtain in current picture
Caption area, otherwise, is identified the caption area in currently displaying picture by preset algorithm, obtains
Take the caption area in currently displaying picture.
During owing to playing major part video, the caption area in video is substantially stationary, as it is shown in figure 5, because of
This, for reducing operand during caption area identification, improves caption area recognition efficiency, can be according to default position
Confidence breath identifies whether the region that described in currently displaying picture, preset position information is corresponding is caption area,
The most then obtain the caption area in current picture, otherwise, by preset algorithm to currently displaying picture
In caption area be identified, obtain the caption area in currently displaying picture, it is possible to understand that, institute
State preset position information to be added by beholder or television set production firm is preset.
Further, when being embodied as, as it is shown in figure 5, using horizontal caption area as main subtitle region
Territory, and the vertical caption area in right side is as secondary caption area, is embodied as step and includes:
Main caption area position described in face is changed according to main caption area positional information identification is currently displaying
Whether region corresponding to information is caption area, the most then obtain the caption area in current picture, if
No, then change secondary caption area position described in face according to secondary caption area positional information identification is currently displaying
Whether the region that confidence breath is corresponding is caption area, the most then obtain the caption area in current picture,
If it is not, then the caption area in currently displaying picture is identified by preset algorithm, obtain current aobvious
Show the caption area in picture.
In the present embodiment, based on the advantage described in a upper embodiment, in the present embodiment, predetermined word is passed through
Curtain zone position information, when being identified caption area, first identifies and presets captions zone position
The region that breath is corresponding, if the region recognizing default captions zone position information corresponding is caption area, obtains
Take current subtitle region, to the region recognition that all default captions zone position informations are corresponding complete after, right
The whole region of currently displaying picture is identified thus obtains caption area so that in caption area identification
During decrease identification operand, improve caption area recognition efficiency simultaneously.
Further, with reference to Figure 12, the 4th embodiment of television set of the present invention, based on shown in above-mentioned Fig. 9
Embodiment, described acquisition judge module 100 includes:
Human face image information acquiring unit 101, for shooting the face image of beholder, and is known by face
Other algorithm identification the human face image information in obtaining the face image of described beholder.
The face image of the television set camera shooting beholder by carrying, and pass through face recognition algorithms
Identify the human face image information in the face image of described beholder, obtain described human face image information simultaneously.
Whether user function judging unit 102, for judging described beholder according to described human face image information
Need to open captions enlarging function.
The user profile of described beholder is obtained according to described human face image information；Judge described user profile
Described in the human face image information preset of beholder whether with glasses, the most then judge described beholder
Need to open captions enlarging function, otherwise, it is judged that described beholder need not open captions enlarging function,
It should be understood that the user profile of described beholder can also include whether beholder has unlatching captions
The authority information of enlarging function, if beholder does not have unlatching captions enlarging function, is then not turned on captions and puts
Big function, further, can also include whether beholder allows out in the user profile of described beholder
Opening captions enlarging function, if not allowing, being then not turned on captions enlarging function.
Function opens judging unit 103, needs to open captions enlarging function for determining described beholder
Time, judge whether described beholder has worn glasses according to described human face image information, do not open
Open captions enlarging function, otherwise, open captions enlarging function.
In the present embodiment, open judging unit 103 institute for user function judging unit 102 and function real
Existing function, one be embodied as step as it is shown in fig. 7, comprises:
1, active user's face image of shooting is carried out recognition of face, the user's face that will detect, with
The photo of the real human face of the early stage warehouse-in (face database registered in system) in system is conducted oneself
Face identification, it is judged that in the current image information obtained, if there is the face of active user；
2, there is the face of active user, and with glasses；
3 by whether with the computational analysis of eye module, be made whether with glasses current face
Discriminance analysis, and provide recognition result；
If 4 recognition results be active user not with glasses, then need open captions enlarging function, otherwise,
Need not open captions enlarging function.
When the present embodiment is embodied as, it is embodied as step as shown in Figure 8, including:
1, shooting user's face image, active user registers the most in systems, is directly entered step 2,
Otherwise, then active user is registered, i.e. when user uses this function for the first time, prompting user adopts
The face image data of collection active user, as log-on data, as after user A registers, retains user A
Face characteristic and rely on this face characteristic to judge whether log-on message with glasses, (note for the first time
During volume, active user A whether also user can be pointed out to be actively entered by user with glasses whether wear a pair of spectacles is made
Input for log-on message), after this user registration, whether face characteristic information and information with glasses deposit
Storage is in systems, in order to follow-up carry out contrasting and as the differentiation bar whether opening the automatic enlarging function of font
Part；
2, by user's face image of shooting is carried out recognition of face, and judge active user whether with
Glasses；
Whether 3, based on active user with the testing result of glasses, whether application font amplifies adaptively
Function；
4, in application font whether enlarging function, first have to, by current picture, automatically identify and detect
Caption area to current picture；Secondly according to the size in current font region and length, difference is selected
Magnification ratio and display mode；
5, the caption area after amplifying is overlapped with image, the interface after display amplification.
In the present embodiment, based on the advantage described in a upper embodiment, by the image that beholder is preserved
Contrast with beholder's image during current viewing, it is judged that to beholder's wearing spectacles at ordinary times, but this time see
During shadow during non-wearing spectacles, open captions enlarging function to the need of opening captions enlarging function
Judgement the most accurate, and the size of the font can being automatically adjusted in video pictures and do not change in image
Hold, and effectively can amplify font and not lose image content.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every
Utilize equivalent structure or equivalence flow process conversion that description of the invention and accompanying drawing content made, or directly or
Connect and be used in other relevant technical fields, be the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. the method for an Intelligent adjustment size of caption, it is characterised in that described Intelligent adjustment size of caption
Method comprise the following steps:
Television set obtains the human face image information of beholder, and judges whether according to described human face image information
Open captions enlarging function；
When opening captions enlarging function, identify and obtain the caption area in currently displaying picture；
Amplify the captions in described caption area, generate the caption area after captions amplify；
Caption area after being amplified by described captions and currently displaying picture generate new display after being overlapped
Picture also shows.
2. the method for Intelligent adjustment size of caption as claimed in claim 1, it is characterised in that described in put
Captions in big described caption area, the step generating the caption area after captions amplify includes:
By default captions recognizer, described caption area is carried out subtitle recognition, it is thus achieved that described subtitle region
The scope of subtitle parts and caption information in territory；
Fill the scope of subtitle parts described in described caption area according to default filling algorithm, generate first
Image；
According to described caption information, the captions in described caption information are amplified, generate the second image；
By described first image and the second imaging importing, generate the caption area after captions amplify.
3. the method for Intelligent adjustment size of caption as claimed in claim 2, it is characterised in that described work as
When opening captions enlarging function, identify and obtain the step of the caption area in currently displaying picture and include:
According to the region that preset position information described in the currently displaying picture of preset position information identification is corresponding it is
No for caption area, the most then obtain the caption area in current picture, otherwise, pass through preset algorithm
Caption area in currently displaying picture is identified, obtains the caption area in currently displaying picture.
4. the method for the Intelligent adjustment size of caption as according to any one of claim 1-3, its feature exists
In, described television set obtains the human face image information of beholder, and judges according to described human face image information
The step whether opening captions enlarging function includes:
The face image of television set shooting beholder, and pass through face recognition algorithms identification and obtain described sight
Human face image information in the face image of the person of seeing；
Judge that described beholder is the need of opening captions enlarging function according to described human face image information；
When determining described beholder and needing to open captions enlarging function, according to described human face image information
Judge whether described beholder has worn glasses, be the most then not turned on captions enlarging function, otherwise, open
Open captions enlarging function.
5. the method for Intelligent adjustment size of caption as claimed in claim 4, it is characterised in that described
Judge that described user includes the need of the step opening captions enlarging function according to described human face image information:
The user profile of described beholder is obtained according to described human face image information；
Judge that described in described user profile, whether beholder is with glasses, the most then judge described viewing
Person needs to open captions enlarging function, otherwise, it is judged that described beholder need not open captions enlarging function.
6. a television set, it is characterised in that described television set includes:
Obtain judge module, for obtaining the human face image information of beholder, and according to described facial image
Information judges whether to open captions enlarging function；
Caption area identification module, for when opening captions enlarging function, identifying and obtain currently displaying
Caption area in picture；
Caption area amplification module, for amplifying the captions in described caption area, after generating captions amplification
Caption area；
Display picture generation module, the caption area after described captions are amplified and currently displaying picture
Generate new display picture after being overlapped and show.
7. television set as claimed in claim 6, it is characterised in that described caption area amplification module bag
Include:
Caption area analytic unit, for carrying out word by default captions recognizer to described caption area
Curtain identifies, it is thus achieved that the scope of subtitle parts and caption information in described caption area；
First image generation unit, for according to presetting word described in the filling algorithm described caption area of filling
The scope of curtain part, generates the first image；
Second image generation unit, for entering the captions in described caption information according to described caption information
Row amplifies, and generates the second image；
Caption area signal generating unit, for by described first image and the second imaging importing, generates captions and puts
Caption area after great.
8. television set as claimed in claim 7, it is characterised in that described caption area identification module bag
Include:
The preferential recognition unit of predeterminated position, for according to institute in the currently displaying picture of preset position information identification
State whether region corresponding to preset position information is caption area, the most then obtain the word in current picture
Curtain region, otherwise, is identified the caption area in currently displaying picture by preset algorithm, obtains
Caption area in currently displaying picture.
9. the television set as according to any one of claim 6-8, it is characterised in that described acquisition judges
Module includes:
Human face image information acquiring unit, for shooting the face image of beholder, and passes through recognition of face
Algorithm identification the human face image information in obtaining the face image of described beholder；
User function judging unit, for judging described beholder whether need according to described human face image information
Captions enlarging function to be opened；
Function opens judging unit, is used for when determining described beholder and needing to open captions enlarging function,
Judge whether described beholder has worn glasses according to described human face image information, be the most then not turned on word
Curtain enlarging function, otherwise, opens captions enlarging function.
10. television set as claimed in claim 9, it is characterised in that described user function judging unit
Including:
User profile acquiring unit, for obtaining the user of described beholder according to described human face image information
Information；
Open judging unit, be used for judging that described in described user profile, whether beholder is with glasses, if
It is then to judge that described beholder needs to open captions enlarging function, otherwise, it is judged that described beholder is not required to
Captions enlarging function to be opened.
Priority Applications (2)
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| CN201610243428.8A CN105872845A (en) | 2016-04-18 | 2016-04-18 | Method for intelligently regulating size of subtitles and television |
| PCT/CN2016/084934 WO2017181504A1 (en) | 2016-04-18 | 2016-06-06 | Method and television set for intelligently adjusting subtitle size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610243428.8A CN105872845A (en) | 2016-04-18 | 2016-04-18 | Method for intelligently regulating size of subtitles and television |
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| WO (1) | WO2017181504A1 (en) |
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| CN111026316A (en) * | 2019-11-25 | 2020-04-17 | 维沃移动通信有限公司 | Image display method and electronic equipment |
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| WO2017181504A1 (en) | 2017-10-26 |
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