CN103179464B - The method and apparatus for obtaining programme information in external input device of television - Google Patents
The method and apparatus for obtaining programme information in external input device of television Download PDFInfo
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- CN103179464B CN103179464B CN201110437863.1A CN201110437863A CN103179464B CN 103179464 B CN103179464 B CN 103179464B CN 201110437863 A CN201110437863 A CN 201110437863A CN 103179464 B CN103179464 B CN 103179464B
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Abstract
The embodiments of the invention provide a kind of method and apparatus for obtaining programme information in external input device of television, method includes：Obtain the input video stream of external input device；Character recognition operation is carried out to the input video stream to obtain character information；The character information is differentiated to obtain programme information.The embodiment of the present invention is by intercepting video flowing, and the caption information for the program that user currently watches is obtained to the progress character recognition of the picture shown by video flowing, and the languages caption information translated into needed for user are shown, facilitate the demand of different user.
Description
Technical field
The present invention relates to TV technology, and programme information in external input device of television is obtained more particularly, to one kind
Method and apparatus.
Background technology
Nowadays, the development of TV tech is very fast, and intelligent television starts largely to occur, and intelligent television can carry for user
For more personalized customization services, in general intelligent television can obtain the program letter that user currently watches at present
Breath.But in China, still in the top box of digital machine provided by cable operator, (outside input is set the user in many cities
It is standby) program TV is received, now, even if user has been replaced with intelligent television, because intelligent television only rises in this environment
To the effect of the display screen as output video, therefore the programme information that active user is watching can not be obtained, so that can not
It is enough all to arrive the preference of user, and then the customization service of more personalizations can not be provided the user.
Therefore, user can obtained when user is using external input device viewing TV by being badly in need of one kind at present
The technology for the programme information watched, to collect user preference to provide personalized service.
The content of the invention
The embodiments of the invention provide a kind of method and apparatus for obtaining programme information in external input device of television, use
In when user watches program on a television set using external input device, the programme information can be got, so as to collect
User preference is to provide more personalized services.
On the one hand, the embodiments of the invention provide it is a kind of obtain external input device of television in programme information method,
This method includes：Obtain the input video stream of external input device；Character recognition operation is carried out to the input video stream to obtain
Obtain character information；The character information is differentiated to obtain programme information.
Preferably, character recognition operation is carried out in the embodiment of the present invention to the input video stream to obtain character information bag
Include：In a manner of poll frame of video is intercepted from the input video stream；Video background noise reduction and ash are carried out to the frame of video
Degree processing operation；Graphic feature identification operation is carried out to the frame of video after video background noise reduction and gray proces to know
Do not go out the graphics field with message part；Binary conversion treatment is carried out to the graphics field with message part and does character
Content recognition is to obtain character information.
Preferably, graphic feature identification operation is carried out in the embodiment of the present invention to frame of video and carries message part to identify
Graphics field include：Rim detection is carried out to the frame of video；Graph transformation is carried out to the frame of video to obtain a figure
Frame；The graphical boxes are matched with the video frame to be prestored in classical shape library：When having matching in the classical shape library
It is selected and intercept the graphical boxes and be used as the graphics field with message part during video frame.
Preferably, the character information is differentiated in the embodiment of the present invention is included with obtaining programme information：Extraction institute
State the character string in character information；Determine the information field of the programme information representated by the character string；According to described information domain
Order stores the content of programme information.
Preferably, the embodiment of the present invention is it is determined that after the information field of programme information representated by the character string, if institute
External input device is stated to use for the first time, then is stored the information field of determination by determination order.
Preferably, the embodiment of the present invention also includes：The character information is identified to obtain caption information；By described in
The captions that caption information translates into languages needed for user are shown.
Preferably, also include in the embodiment of the present invention：The time tag of the translated captions of extraction, the time is marked
Label are matched with captions storehouse, if the match is successful, follow-up letter is shown using the captions in the captions storehouse.
On the other hand, the embodiment of the present invention additionally provides a kind of dress for obtaining programme information in external input device of television
Put, the device includes：Video acquisition unit, for obtaining the input video stream of external input device；Character recognition unit, it is used for
Character recognition operation is carried out to the input video stream to obtain character information；Programme information acquiring unit, for the word
Symbol information is differentiated to obtain programme information.
Preferably, the character recognition unit of the embodiment of the present invention includes：Interception module, in a manner of poll from described
Frame of video is intercepted in input video stream；Picture processing module, for being carried out to the frame of video at video background noise reduction and gray scale
Reason operation；Graphic feature identification module, for carrying out figure to the frame of video after video background noise reduction and gray proces
The operation of shape feature recognition carries the graphics field of message part to identify；Binary conversion treatment module, for carrying letter to described
The graphics field for ceasing part carries out binary conversion treatment；Character information acquisition module, for the image after binary conversion treatment
Region carries out character content identification to obtain character information.
Preferably, the graphic feature identification module of the embodiment of the present invention also includes：Rim detection submodule, for described
Frame of video carries out rim detection；Graph transformation submodule, for carrying out graph transformation to the frame of video to obtain a graphical boxes；
Matched sub-block, for the graphical boxes to be matched with the video frame to be prestored in classical shape library；Graphics field obtains son
Module, it is used as when the match is successful for the matched sub-block, selecting and intercepting the graphical boxes with message part
Graphics field.
Preferably, the programme information acquiring unit of the embodiment of the present invention includes：Text string extracting module, it is described for extracting
Character string in character information；Information field determining module, for determining the information field of the programme information representated by the character string；
Memory module, for storing the content of programme information according to the order in described information domain.
Preferably, the memory module of the embodiment of the present invention is additionally operable to when the external input device is for the first time in use, deposit
Storage is stored the information field of determination by determination order.
Preferably, the embodiment of the present invention also includes：Caption information acquiring unit, for the character information to be identified
To obtain caption information；Caption translating unit, for the caption information to be translated into the captions of languages needed for user to carry out
Display.
Preferably, the embodiment of the present invention also includes：Matching unit, for extracting the time tag of translated captions,
The time tag is matched with captions storehouse, if the match is successful, follow-up letter is used in the captions storehouse
Captions are shown.
On the other hand, the embodiment of the present invention additionally provides a kind of television set, including device as described above.
The embodiment of the present invention obtains by intercepting video flowing, and to the carry out character recognition of the picture shown by video flowing
The programme information that user currently watches, so, even if user is to watch program on a television set using external input device, pass through
The present invention can also get the programme information, so as to collect user preference to provide more personalized services.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is a kind of method flow for obtaining programme information in external input device of television provided in an embodiment of the present invention
Schematic diagram；
Fig. 2 is another method stream for obtaining programme information in external input device of television provided in an embodiment of the present invention
Journey schematic diagram；
The shape for four kinds of programme information frames that Fig. 3 is enumerated by the embodiment of the present invention；
Fig. 4 is the schematic flow sheet of identification graphics field provided in an embodiment of the present invention；
Fig. 5 is another method stream for obtaining programme information in external input device of television provided in an embodiment of the present invention
Journey schematic diagram；
Fig. 6 is a kind of knot for obtaining the device of programme information in external input device of television provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 7 is a kind of structural representation of character recognition unit provided in an embodiment of the present invention；
Fig. 8 is a kind of structural representation of graphic feature identification module provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation of programme information acquiring unit provided in an embodiment of the present invention；
The device of programme information in Figure 10 another acquisition external input device of television provided in an embodiment of the present invention
Structural representation；
Figure 11 is a kind of structural representation of television set provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is as shown in Figure 1 a kind of side for obtaining programme information in external input device of television provided in an embodiment of the present invention
Method schematic flow sheet, this method comprise the following steps：
S101：Obtain the input video stream of external input device.For convenience of explanation, outside input is set in the present embodiment
Illustrated exemplified by the standby top box of digital machine provided by cable operator, but the embodiment of the present invention is not limited to this, other outsides
Input equipment, such as blue-ray DVD, media box, handheld mobile device, PC, notebook etc. are also in the protection model of the embodiment of the present invention
In enclosing.
User can receive TV programme by top box of digital machine, and TV programme can be with after being decoded in top box of digital machine
The side exported by HDMI (High Definition Multimedia Interface, HDMI) component
Formula is output on television set and shown.Input video stream acquired in the embodiment of the present invention is i.e. after top box of digital machine decodes
Video flowing.
S102：Character recognition operation is carried out to the input video stream to obtain character information.
Current TV programme can show a programme information frame when zapping, may include such as in the programme information frame
Lower information：Current television channel information, current program information, current time, programme distant information etc..This step can be to video
Flow into line character identification operation and form the character information of above-mentioned programme information to obtain.Certainly, the character letter of the embodiment of the present invention
Breath can also be caption information of actual program etc..
S103：The character information is differentiated to obtain programme information.
This step is that discriminating is combined to the character information of acquisition to obtain required programme information, such as television channel
Information：" Chinese Central Television (CCTV) -1 ", current time information：19:00 etc..
The embodiment of the present invention obtains by intercepting video flowing, and to the carry out character recognition of the picture shown by video flowing
The programme information that user currently watches, so, even if user is to watch program on a television set using external input device, pass through
The present invention can also get the programme information, so as to collect user preference to provide more personalized services.
It is illustrated in figure 2 programme information in another acquisition external input device of television provided in an embodiment of the present invention
Method flow schematic diagram, this method include：
S201：Obtain the input video stream of external input device.
S202：In a manner of poll frame of video is intercepted from the input video stream.
The embodiment of the present invention can intercept video at interval of a timeslice by way of poll from input video stream
Frame, certainly, the embodiment of the present invention are also not necessarily limited to this, and frame of video can also be randomly intercepted from input video stream.
S203：Video background noise reduction and gray proces operation are carried out to the frame of video.
The step mainly makes video background noise reduction make frame of video more clean and smooth, and gray proces can reduce colour
Frame of video carries out the operand of character recognition.
S204：To after video background noise reduction and gray proces the frame of video carry out graphic feature identification operation with
Identify the graphics field with message part.
As described above, programme information during TV programme zapping is shown in programme information frame, general program letter
Breath frame can all have a fixed shape, be illustrated in figure 3 the shape for four kinds of programme information frames that the embodiment of the present invention is enumerated,
The graphics field of the present invention includes but is not limited to the shape of these programme information frames.
As one embodiment of the present of invention, as shown in figure 4, this step can specifically include following sub-step：
S2041：Rim detection is carried out to frame of video.Rim detection is that the obvious point of brightness change in frame of video is examined
Survey, rim detection can identify all shape area positions included in frame of video.
S2042：Graph transformation is carried out to the frame of video to obtain a graphical boxes.Graph transformation is exactly to pass through some mathematics
Algorithm, for example Hough transformation carries out mathematic(al) manipulation to the objective contour region identified in rim detection, catches the side of target
Boundary, and whether the shape compared after conversion meets some geometries in mathematics, such as circular, rectangle.By graph transformation
Afterwards, just identifying has the programme information frame of specific objective shape in frame of video.
S2043：The graphical boxes are matched with the video frame to be prestored in classical shape library, if the match is successful, entered
Enter step S2044, otherwise terminate to handle.
S2044：Select and intercept above-mentioned graphical boxes and be used as the graphics field with message part.
S205：Binary conversion treatment is carried out to the graphics field with message part and does character content identification to obtain
Character information.
S206：Extract the character string in the character information.
S207：Determine the information field of the programme information representated by the character string.
In the present embodiment, information field refers to the classification belonging to programme information, such as TV station's title, current time, section
Mesh title, the initial time of actual program and end time etc..In order to determine the information field of the programme information representated by character string,
The embodiment of the present invention will can be contrasted after character string group and with the programme information sample to prestore, then according to comparing result come
Determine information field.For example when reading " Chinese Central Television (CCTV) -1 ", by contrast, judge the information field representated by this character string
For TV station's title；For another example, when reading " 10:00~11:When 00 ", it is current to judge the information field representated by this character string
The initial time of program and end time.
S208：The content of programme information is stored according to the order in described information domain.
This step will corresponding to programme information correspond to its information field and stored, it should be pointed out that for different
External input device, putting in order for each information field of programme information may be different, therefore, when the external input device
It is when use for the first time, information field order can be stored, then directly can be come later according to this order
Store the content of programme information.
The embodiment of the present invention obtains by intercepting video flowing, and to the carry out character recognition of the picture shown by video flowing
The programme information that user currently watches, and various programme informations can also be stored in order by information field, so, that is, use
Family is to watch program on a television set using external input device, and the programme information can also be got by the present invention, so as to
To collect user preference to provide more personalized services.
It is illustrated in figure 5 programme information in another acquisition external input device of television provided in an embodiment of the present invention
Method flow schematic diagram, this method include：
S501：Obtain the input video stream of external input device.
S502：Character recognition operation is carried out to the input video stream to obtain character information.
The specific descriptions of the step may refer to above-mentioned steps S202-S205 description, will not be repeated here.
S503：The character information is identified to obtain caption information.
The content when embodiment of the present invention is except that can obtain zapping in program message box, the captions of program can also be obtained
Information, when obtaining caption information, the graphics field where the caption information to be obtained can be first preset, due to caption information
Typically shown below screen, therefore the graphics field can be preset as a rectangular region below screen, then to this
Information in rectangular region carries out character recognition to obtain caption information.
S504：The captions that the caption information is translated into languages needed for user are shown.
As one embodiment of the present of invention, in order to improve the accuracy of translation and real-time, can extract translated
Captions time tag, the time tag is matched with captions storehouse, if the match is successful, follow-up letter made
Shown with the captions in the captions storehouse.
The embodiment of the present invention obtains by intercepting video flowing, and to the carry out character recognition of the picture shown by video flowing
The caption information for the program that user currently watches, and the caption information is translated into the languages needed for user and shown, it is convenient
The demand of different user.
It is illustrated in figure 6 a kind of dress for obtaining programme information in external input device of television provided in an embodiment of the present invention
The structural representation put, it should be pointed out that in the present embodiment, the device can be integrated in television set, or independent
Outside television set, the embodiment of the present invention is not limited.The device includes：Video acquisition unit 610, character recognition unit
620 and programme information acquiring unit 630.
Video acquisition unit 610 is used for the input video stream for obtaining external input device.For convenience of explanation, in this implementation
External input device illustrates by taking the top box of digital machine that cable operator provides as an example in example, but the embodiment of the present invention and unlimited
In this, other external input devices are also in the protection domain of the embodiment of the present invention.User can be connect by top box of digital machine
TV programme are received, TV programme can be by HDMI (High after being decoded in top box of digital machine
Definition Multimedia Interface, HDMI) mode of component output is output on television set and shown.This
The input video stream acquired in video acquisition unit 610 in inventive embodiments passes through the decoded video of top box of digital machine
Stream.
Character recognition unit 620 is used to carry out character recognition operation to the input video stream that video acquisition unit 610 obtains
To obtain character information.Current TV programme can show a programme information frame when zapping, can in the programme information frame
Following information can be included：Current television channel information, current program information, current time, programme distant information etc..Character recognition
Unit 620 can carry out character recognition operation to video flowing and form the character information of above-mentioned programme information to obtain.Certainly, this hair
The character information of bright embodiment can also be caption information of actual program etc..
Programme information acquiring unit 630 is used to differentiate character information to obtain programme information.
Programme information acquiring unit 630 is that the character information of acquisition is combined to differentiate to obtain required program letter
Breath, such as television channel information：" Chinese Central Television (CCTV) -1 ", current time information：19:00 etc..
The embodiment of the present invention obtains by intercepting video flowing, and to the carry out character recognition of the picture shown by video flowing
The programme information that user currently watches, so, even if user is to watch program on a television set using external input device, pass through
The present invention can also get the programme information, so as to collect user preference to provide more personalized services.
A kind of structural representation of character recognition unit provided in an embodiment of the present invention is illustrated in figure 7, the character is known
Other unit 620 can include：Interception module 621, picture processing module 622, graphic feature identification module 623, binary conversion treatment
Module 624 and character information acquisition module 625.
Interception module 621 is used to intercept frame of video from the input video stream in a manner of poll.The embodiment of the present invention
Interception module 621 frame of video can be intercepted from input video stream at interval of a timeslice by way of poll, when
So, the embodiment of the present invention is also not necessarily limited to this, and interception module 621 can also randomly intercept frame of video from input video stream.
Picture processing module 622 is used to carry out at video background noise reduction and gray scale the frame of video that interception module 621 intercepts
Reason operation.
Graphic feature identification module 623 is used to carry out figure to the frame of video after video background noise reduction and gray proces
Feature recognition operation carries the graphics field of message part to identify.Programme information during TV programme zapping is shown in section
In mesh message box, general programme information frame can all have a fixed shape, be illustrated in figure 3 the embodiment of the present invention and enumerated
Four kinds of programme information frames shape, graphics field of the invention includes but is not limited to the shape of these programme information frames.
As one embodiment of the present of invention, as shown in figure 8, graphic feature identification module 623 can further include：
Rim detection submodule 6231, graph transformation submodule 6232, matched sub-block 6233 and graphics field acquisition submodule 6234,
Wherein：
Rim detection submodule 6231 is used to carry out rim detection to frame of video.
Graph transformation submodule 6232 is used to carry out graph transformation to frame of video to obtain a graphical boxes.
Matched sub-block 6233 is used to be matched graphical boxes with the video frame to prestore in classical shape library.
Graphics field acquisition submodule 6234 is used for when the match is successful for the matched sub-block, selectes and intercepts the figure
Shape frame is used as the graphics field with message part.
Binary conversion treatment module 624 is used to carry out binary conversion treatment to the graphics field with message part.
Character information acquisition module 625 be used for after binary conversion treatment image-region carry out character content identification with
Obtain character information.
It is illustrated in figure 9 a kind of structural representation of programme information acquiring unit provided in an embodiment of the present invention, the program
Information acquisition unit 630 includes：Text string extracting module 631, information field determining module 632 and memory module 633, wherein：
Text string extracting module 631 is used to extract the character string in the character information.
Information field determining module 632 is used for the information field for determining the programme information representated by the character string.In this implementation
In example, information field refers to the classification belonging to programme information, such as TV station's title, current time, programm name, actual program
Initial time and end time etc..In order to determine the information field of the programme information representated by character string, the embodiment of the present invention can be with
It will be contrasted after character string group and with the programme information sample to prestore, information field then determined according to comparing result.Such as
When reading " Chinese Central Television (CCTV) -1 ", by contrast, judge the information field representated by this character string for TV station's title；Compare again
Such as, when reading " 10:00~11:When 00 ", judge information field representated by this character string for the initial time of actual program and
End time.
Memory module 633 is used for the content that programme information is stored according to the order in described information domain.In the present embodiment
Memory module 633 will corresponding to programme information correspond to its information field and stored, it should be pointed out that for different outsides
Input equipment, putting in order for each information field of programme information may be different, therefore, when the external input device is the
When first use, information field order can be stored, then directly can sequentially be stored according to this later
The content of programme information.
If Figure 10 is another dress for obtaining programme information in external input device of television provided in an embodiment of the present invention
The structural representation put, the device include：Video acquisition unit 110, character recognition unit 120, programme information acquiring unit
130th, caption information acquiring unit 140, caption translating unit 150 and matching unit 160, wherein video acquisition unit 110, character
Corresponding units are similar in recognition unit 120, programme information acquiring unit 130 and previous embodiment, will not be repeated here.
Caption information acquiring unit 140 is used to the character information that character recognition unit 120 obtains be identified to obtain
Caption information.
Caption translating unit 150 is used to caption information translating into the captions of languages needed for user to be shown.Captions
Translation unit 150 can first preset the graphics field where the caption information to be obtained, due to word when obtaining caption information
Curtain information is typically shown below screen, therefore can preset the graphics field as a rectangular region below screen, so
Character recognition is carried out to the information in the rectangular region to obtain caption information afterwards.
Matching unit 160 is used for the time tag for extracting translated captions, by the time tag and captions storehouse
Matched, if the match is successful, follow-up letter is shown using the captions in the captions storehouse.
The embodiment of the present invention obtains by intercepting video flowing, and to the carry out character recognition of the picture shown by video flowing
The programme information that user currently watches, so, even if user is to watch program on a television set using external input device, pass through
The present invention can also get the programme information, so as to collect user preference to provide more personalized services.In addition, this hair
Bright embodiment can also obtain the word for the program that user currently watches to the progress character recognition of the picture shown by video flowing
Curtain information, and the caption information is translated into the languages needed for user and shown, facilitate the demand of different user.
If Figure 11 is a kind of structural representation of television set provided in an embodiment of the present invention, the television set 200 includes program
Information acquisition device 201, the programme information acquisition device 201 can be as described above obtain in external input device of television
The device of programme information, is just repeated no more herein.In addition, the other structures of this composition television set 200 can use it is existing
Known technology realized.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, Ke Yitong
Computer program is crossed to instruct the hardware of correlation to complete, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-OnlyMemory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, the guarantor being not intended to limit the present invention
Scope is protected, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in this
Within the protection domain of invention.
Claims (11)
- A kind of 1. method for obtaining programme information in external input device of television, it is characterised in that methods described includes：Obtain the input video stream of external input device；Character recognition operation is carried out to the input video stream to obtain character information；The character information is differentiated to obtain programme information；The character information is identified to obtain caption information；The captions that the caption information is translated into languages needed for user are shown；AndThe time tag of the translated captions of extraction, the time tag is matched with the captions in captions storehouse, if With success, then follow-up captions are shown using the captions in the captions storehouse.
- 2. the method for programme information in external input device of television is obtained as claimed in claim 1, it is characterised in that described Character recognition operation is carried out to the input video stream to be included with obtaining character information：In a manner of poll frame of video is intercepted from the input video stream；Video background noise reduction and gray proces operation are carried out to the frame of video；Graphic feature identification operation is carried out to the frame of video after video background noise reduction and gray proces to identify band There is the graphics field of message part；Binary conversion treatment is carried out to the graphics field with message part and does character content identification to obtain character information.
- 3. the method for programme information in external input device of television is obtained as claimed in claim 2, it is characterised in that described Graphic feature identification operation is carried out to frame of video to identify that the graphics field for carrying message part includes：Rim detection is carried out to the frame of video；Graph transformation is carried out to the frame of video to obtain a graphical boxes；The graphical boxes are matched with the video frame to be prestored in classical shape library：When having matching in the classical shape library It is selected and intercept the graphical boxes and be used as the graphics field with message part during video frame.
- 4. the method for programme information in the acquisition external input device of television as described in claim 1 or 3, it is characterised in that Described differentiated to the character information is included with obtaining programme information：Extract the character string in the character information；Determine the information field of the programme information representated by the character string；The content of programme information is stored according to the order in described information domain.
- 5. the method for programme information in external input device of television is obtained as claimed in claim 4, it is characterised in that true , will if the external input device is use for the first time after the information field of programme information representated by the fixed character string The information field of determination is stored by determination order.
- 6. a kind of device for obtaining programme information in external input device of television, it is characterised in that described device includes：Video acquisition unit, for obtaining the input video stream of external input device；Character recognition unit, operated for carrying out character recognition to the input video stream to obtain character information；Programme information acquiring unit, for being differentiated the character information to obtain programme information；Caption information acquiring unit, for being identified the character information to obtain caption information；Caption translating unit, for the caption information to be translated into the captions of languages needed for user to be shown；AndMatching unit, for extracting the time tag of translated captions, by the captions in the time tag and captions storehouse Matched, if the match is successful, follow-up captions are shown using the captions in the captions storehouse.
- 7. the device of programme information in external input device of television is obtained as claimed in claim 6, it is characterised in that described Character recognition unit includes：Interception module, for intercepting frame of video from the input video stream in a manner of poll；Picture processing module, for carrying out video background noise reduction and gray proces operation to the frame of video；Graphic feature identification module, it is special for carrying out figure to the frame of video after video background noise reduction and gray proces Sign identification operation carries the graphics field of message part to identify；Binary conversion treatment module, for carrying out binary conversion treatment to the graphics field with message part；Character information acquisition module, identified for carrying out character content to the image-region after binary conversion treatment to obtain word Accord with information.
- 8. the device of programme information in external input device of television is obtained as claimed in claim 7, it is characterised in that described Graphic feature identification module also includes：Rim detection submodule, for carrying out rim detection to the frame of video；Graph transformation submodule, for carrying out graph transformation to the frame of video to obtain a graphical boxes；Matched sub-block, for the graphical boxes to be matched with the video frame to be prestored in classical shape library；Graphics field acquisition submodule, for when the match is successful for the matched sub-block, selecting and intercepting the graphical boxes As the graphics field with message part.
- 9. the device of programme information in the acquisition external input device of television as described in claim 6 or 8, it is characterised in that The programme information acquiring unit includes：Text string extracting module, for extracting the character string in the character information；Information field determining module, for determining the information field of the programme information representated by the character string；Memory module, for storing the content of programme information according to the order in described information domain.
- 10. the device of programme information in external input device of television is obtained as claimed in claim 9, it is characterised in that institute Memory module is stated to be additionally operable to when the external input device is for the first time in use, storage is entered the information field of determination by determination order Row storage.
- 11. a kind of television set, it is characterised in that including the device as described in claim 6-10 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110437863.1A CN103179464B (en) | 2011-12-23 | 2011-12-23 | The method and apparatus for obtaining programme information in external input device of television |
Applications Claiming Priority (1)
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| CN106355172A (en) * | 2016-08-11 | 2017-01-25 | 无锡天脉聚源传媒科技有限公司 | Character recognition method and device |
| CN107484002A (en) * | 2017-08-25 | 2017-12-15 | 四川长虹电器股份有限公司 | The method of intelligent translation captions |
| CN108021697B (en) * | 2017-12-19 | 2020-11-06 | 广东小天才科技有限公司 | Photographing and question searching method based on terminal equipment, terminal equipment and storage medium |
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| CN101021903A (en) * | 2006-10-10 | 2007-08-22 | 鲍东山 | Video caption content analysis system |
| CN101692269A (en) * | 2009-10-16 | 2010-04-07 | 北京中星微电子有限公司 | Method and device for processing video programs |
| CN102098447A (en) * | 2009-12-09 | 2011-06-15 | 新奥特（北京）视频技术有限公司 | Multi-language caption broadcasting method and equipment |
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| CN101021903A (en) * | 2006-10-10 | 2007-08-22 | 鲍东山 | Video caption content analysis system |
| CN101692269A (en) * | 2009-10-16 | 2010-04-07 | 北京中星微电子有限公司 | Method and device for processing video programs |
| CN102098447A (en) * | 2009-12-09 | 2011-06-15 | 新奥特（北京）视频技术有限公司 | Multi-language caption broadcasting method and equipment |
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