CN101616281A - A kind of with local method and the portable terminal that amplifies of mobile TV playing picture - Google Patents
A kind of with local method and the portable terminal that amplifies of mobile TV playing picture Download PDFInfo
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- CN101616281A CN101616281A CN200910151623A CN200910151623A CN101616281A CN 101616281 A CN101616281 A CN 101616281A CN 200910151623 A CN200910151623 A CN 200910151623A CN 200910151623 A CN200910151623 A CN 200910151623A CN 101616281 A CN101616281 A CN 101616281A
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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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
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/4728—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Databases & Information Systems (AREA)
- Computer Graphics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Controls And Circuits For Display Device (AREA)
- Editing Of Facsimile Originals (AREA)
Abstract
The present invention carries out local method and a kind of portable terminal of watching with mobile TV function that amplify for a kind of with the mobile TV playing picture, this method may further comprise the steps: the mobile terminal playing mobile TV, after opening the local enlargement display function, according to the user instruction definite viewing area that will amplify in the zone of televising of display screen, then according to the viewing area after the amplification that is provided with, the broadcasting pictures of the described viewing area that will amplify is amplified to viewing area after the described amplification, plays in the mode that covers original picture; This portable terminal comprises mobile TV processing module, multimedia processing module, human-computer interaction module and display module.The present invention adopts method to realize that the mobile TV broadcasting pictures is carried out the part amplifies, and makes the user can capture some local details of broadcasting pictures.
Description
Technical field
The present invention relates to field of communication and other electronic applications, especially relate to and a kind of the mobile TV playing picture is carried out the local portable terminal of watching that amplifies.
Background technology
Mobile TV is meant with the mobile phone to be terminal equipment, technology of TV transmission content or application, it belongs to the category of mobile video, realizes by mobile telecom network, transmits the real-time interactive service of sound, image, data file under point-to-point or point-to-multipoint situation.Arrival along with the 3G commercialization epoch, mobile phone TV services have attracted people more and more to note, also engendered new opportunity to develop, its user base is very huge, is expected to become " the 5th medium " after newspaper, broadcasting, TV, the Internet.
But because the restriction of the volume of portable terminal, the display screen area of existing mobile phone TV terminal is limited in the market, mobile phone television viewing sometimes can't be seen some local details of broadcasting pictures clearly on the display screen of small size, such as information such as telephone number that shows in the captions and information indicatings.Therefore need a kind of part of carrying out the picture of mobile TV playing to amplify the portable terminal of watching, make the user can in time capture some information that shows in the display screen of oneself being concerned about, can enrich the function of mobile phone, can promote user's impression again.
Summary of the invention
The technical problem to be solved in the present invention provides a kind ofly carries out local method and a kind of portable terminal of watching with mobile TV function that amplify with the mobile TV playing picture, makes the user can capture some local details of broadcasting pictures.
In order to address the above problem, the invention provides and a kind of the mobile TV playing picture is carried out the local method of watching of amplifying, may further comprise the steps:
The mobile terminal playing mobile TV, after opening the local enlargement display function, according to the user instruction definite viewing area that will amplify in the zone of televising of display screen, then according to the viewing area after the amplification that is provided with, the broadcasting pictures of the described viewing area that will amplify is amplified to viewing area after the described amplification, plays in the mode that covers original picture.
Further, described portable terminal is when playing mobile TV, the original video frame data of the reservation ultimate resolution that will receive earlier are kept at first buffering area, put into second buffering area again after according to the resolution sizes of display screen the original video frame data being carried out interpolation or dwindle processing, reading video data shows at display screen from second buffering area;
Described portable terminal is in the viewing area of having determined to amplify with behind the viewing area after amplifying, read the video data in the corresponding zone that comprises identical content original video frame, viewing area that will amplify from first buffering area, carry out interpolation or dwindle the video data reorganization of handling in back and second buffering area according to the viewing area after amplifying, the video data that is positioned at the viewing area after the amplification in second buffering area is covered.
Further, the viewing area after the described amplification is that the user sets in advance in portable terminal, perhaps, is that portable terminal is determined according to user instruction in mobile phone television playing process.
Further, viewing area after the described viewing area that will amplify and the amplification is rectangle, the described viewing area that will amplify is that the point of two diagonal positions choosing on touch display screen according to the user is determined, or dragging with convergent-divergent of the initial rectangular frame that portable terminal shown on touch display screen according to the user determined.
Further, keep the length-width ratio of local video when picture is carried out local the amplification, local video is of a size of B ' * C ' after amplifying, and satisfies following condition: B '=B and C '≤C or C '=C and B '≤B, B wherein, C are respectively the length of the viewing area after amplifying and wide.
In order to address the above problem, the present invention also provides a kind of portable terminal with mobile TV function, comprises mobile TV processing module, multimedia processing module, human-computer interaction module and display module;
Described mobile TV processing module is used to receive the mobile TV signal, decodes to obtain keeping the original video frame data of ultimate resolution, after carrying out interpolation or dwindle processing according to the resolution of display screen again, outputs to the multimedia processing module;
Described human-computer interaction module, be used to receive user instruction, open local enlarging function, and the viewing area that will amplify in the zone of televising of display screen, chosen of definite user, with the position of this viewing area that will amplify and the parameter notice multimedia processing module of size;
Described multimedia processing module is used for when local enlarging function is closed, and the video data of importing is directly outputed to display module; When local enlarging function is opened, according to the viewing area after the amplification that is provided with the video data of the viewing area that will amplify determined is carried out interpolation processing, and with the video data reorganization of input, cover original video data of the viewing area after amplifying, output to display module again;
Display module is used to receive the video data of multimedia processing module output, shows the mobile TV picture.
Further, described mobile TV processing module comprises decoding unit, first buffer unit, matching treatment unit, second buffer unit, wherein: be saved in described first buffer unit behind the mobile TV signal decoding that described decoding unit is used for receiving; Described first buffer unit is used for the original video frame data that buffer memory keeps ultimate resolution; The matching treatment unit is saved in described second buffer unit after being used for according to the resolution of display screen the original video frame data being carried out interpolation or dwindling processing; Described second buffer unit is used for the video requency frame data that buffer memory has the resolution of display screen, and outputs to the multimedia processing module;
Described multimedia processing module is to carry out interpolation processing from the video data that described first buffer unit reads the definite viewing area that will amplify.
Further, the information of the viewing area after the amplification that also is used for the user is set in advance of described human-computer interaction module sends to the multimedia processing module; The information that perhaps described human-computer interaction module also is used for the viewing area that will amplify that mobile phone television playing process is determined according to user instruction sends to the multimedia processing module.
Further, described display module is a touch display screen.
Further, the point of two diagonal positions that described human-computer interaction module is chosen on touch display screen according to the user is determined the rectangular display area that will amplify, perhaps according to the user dragging with convergent-divergent of the initial rectangular frame that shows on the touch display screen is determined the viewing area that will amplify.
The method that the mobile TV playing picture is carried out amplifying the part disclosed by the invention can reduce the image fault that causes to greatest extent in amplification process, the present invention has overcome because the display screen area of existing mobile phone TV terminal is limited in the market, on mobile phone, watch TV can't see the difficulty of some local details of broadcasting pictures clearly, use mobile phone users of the present invention can in mobile phone television viewing, in time capture some image information that shows in the display screen of oneself being concerned about, both enrich the function of mobile phone, promoted the experience that the user watches mobile TV again.
Description of drawings
Fig. 1 is that the portable terminal of the embodiment of the invention carries out the local flow chart of watching that amplifies to broadcasting pictures when watching mobile TV;
Fig. 2 is the functional block diagram that the embodiment of the invention has the portable terminal of mobile TV function;
Fig. 3 A is the regional area figure of the portable terminal of the embodiment of the invention to the needs amplification of the broadcasting pictures selection of mobile TV;
Fig. 3 B is that the portable terminal of the embodiment of the invention carries out the local display effect figure that watches that amplifies to the broadcasting pictures of mobile TV.
Embodiment
The present invention adopts carries out the mobile TV playing picture the local method of watching of amplifying and can be applied in display screen and have on the portable terminal of touch function, can be applied in display screen does not have on the portable terminal of touch function yet, the user can choose at random needs local viewing area of amplifying, and the viewing area size after the amplification also can arbitrarily be set.The portable terminal that has touch function with display screen is an example, below specific embodiments of the invention is described.
As shown in Figure 1, use portable terminal for the embodiment of the invention and when watching mobile TV, broadcasting pictures is carried out the local flow chart of watching that amplifies, described portable terminal is an example with the portable terminal with touch function, but the present invention is not limited to and is example on the portable terminal with touch function, and its concrete steps are as follows:
Step 101: the position A and the size B*C that amplify the viewing area, back are set in the portable terminal with mobile TV function earlier, position A can according to upper left, in last, upper right, placed in the middle, lower-left, in down, orientation such as bottom right is provided with, also can be provided with according to concrete coordinate, size B*C can be provided with according to user's demand, but requires the length B of size frame and the width C can not be greater than the length L and the width W of mobile TV viewing area in the LCD display;
Though present embodiment is to set in advance the position and the size of amplifying the viewing area, back, in other embodiments, also can not set in advance.For example in step 104, after having chosen the viewing area that to amplify, can choose the viewing area after the amplification again, perhaps import 1 magnification ratio, be viewing area after basic point obtains amplifying with end points of the viewing area that will amplify choosing or give tacit consent to or central point.
Step 102: portable terminal is opened the function of televising, and the user selects certain channel to play, the first buffering area M that sends to behind the television signal decoder of the corresponding channel that will receive then;
Step 103: the reservation that from buffering area M, will receive the original video frame data of ultimate resolution S*T put into buffering area N after carrying out interpolation or dwindle processing according to mobile TV viewing area resolution sizes L*W in the display screen, reading of data shows at display screen from buffering area N then;
Step 104: the user opens amplifying display function, chooses the point of two diagonal positions of the viewing area of need amplifying in the zone of televising of display screen, portable terminal get access to these two diagonal angles, zone position coordinates (X1, Y1) and (X2, Y2);
The mode of choosing the viewing area that will amplify is not limited to select the point of two diagonal positions of viewing area, can also be to mark a closed figures that comprises the viewing area with felt pen on touch-screen, and carrying out treatment for correcting by portable terminal is a rectangular area; Also can be the three or more endpoint location of choosing the viewing area, portable terminal will be led the zone that a little end points comprises and amplify as the viewing area; Also can be that portable terminal provides an initial rectangular frame (or frame of other shapes) that dynamically shows, the user can with hand or pen choose on this initial rectangular frame or point that near certain is used to locate after drag to the position of wanting, choose on this rectangle frame then or near certain is used for the point of convergent-divergent and drags the setting of finishing the viewing area size.Here operable mode is many, enumerates no longer one by one.
Step 105: the size B*C of viewing area compares after the amplification that the coordinate information of two diagonal positions and user are provided with, if the size of the rectangular area of determining with two diagonal positions greater than B*C, execution in step 106, otherwise execution in step 107;
Step 106: ejection information " chosen area is greater than the setting area ", the prompting user reselects or is provided with, and execution in step 104 then;
Step 107: the partial video data that from buffering area M, read user-selected zone in the video data frame of the original ultimate resolution of reservation, it is from two diagonal position coordinate (X1 that video data reads, Y1) and (X2, Y2) select the to finish Frame of that frame picture constantly begins, this user-selected area from buffering area M intermediate-resolution be S*T the original video data frame particular location for (X1 ', Y1 ') and (X2 ', Y2 ') is cornerwise rectangular area, X1 '=X1*S/L wherein, Y1 '=Y1*T/W, X2 '=X2*S/L, Y2 '=Y2*T/W;
Step 108: will read with (X1 ', Y1 ') and (X2 ', Y2 ') the big or small B*C of viewing area is corresponding after the amplification that is provided with according to the user for the video data of cornerwise rectangular area carries out interpolation or dwindles processing, carrying out interpolation or dwindle the processed video data recombination according to the resolution sizes L*W of display screen again with among the buffer memory N, is that the former video data in the rectangular extent of B*C covers with position A place size.
Wherein, the length-width ratio that keeps local video during local the amplification, local video is of a size of B ' * C ' after keeping Aspect Ratio to amplify, satisfy following condition: B '=B and C '≤C or C '=C and B '≤B, reading of data shows from buffering area N at last, such handling process can reduce the image fault that causes to greatest extent with respect to the method for directly the partial video data of user selected areas being carried out covering again after the interpolation processing the former video data that amplifies the viewing area, back from buffer memory N in amplification process, keep the high definition of amplifier section image.
As shown in Figure 2, portable terminal that has the mobile TV function and the relevant functional block diagram of the local amplification of picture for the embodiment of the invention, comprise: mobile TV processing module 201, multimedia processing module 202, human-computer interaction module 203 and display module 204, wherein:
The mobile TV processing module is used to receive the mobile TV signal, decodes to obtain keeping the original video frame data of ultimate resolution, after carrying out interpolation or dwindle processing according to the resolution of display screen again, outputs to the multimedia processing module.The mobile TV processing module further comprises decoding unit, first buffer unit, matching treatment unit, second buffer unit, wherein: be saved in described first buffer unit behind the mobile TV signal decoding that described decoding unit is used for receiving; Described first buffer unit is used for the original video frame data that buffer memory keeps ultimate resolution; The matching treatment unit is saved in described second buffer unit after being used for according to the resolution of display screen the original video frame data being carried out interpolation or dwindling processing; Described second buffer unit is used for the video requency frame data that buffer memory has the resolution of display screen, and outputs to the multimedia processing module.
Human-computer interaction module, be used to receive user instruction, open local enlarging function, and the viewing area that will amplify in the zone of televising of display screen, chosen of definite user, with the position of this viewing area that will amplify and the parameter notice multimedia processing module of size.Particularly, the point of two diagonal positions that human-computer interaction module can be chosen on touch display screen according to the user is determined the rectangular display area that will amplify, perhaps according to the user dragging with convergent-divergent of the initial rectangular frame that shows on the touch display screen is determined the viewing area that will amplify.The information of the viewing area after the amplification that human-computer interaction module also is used for the user is set in advance sends to the multimedia processing module; Perhaps the information according to the definite viewing area that will amplify of user instruction in the mobile phone television playing process is sent to the multimedia processing module.
The multimedia processing module is used for when local enlarging function is closed, and the video data of importing is directly outputed to display module; When local enlarging function is opened, according to the viewing area after the amplification that is provided with the video data of the viewing area that will amplify determined is carried out interpolation processing, and with the video data reorganization of input, cover original video data of the viewing area after amplifying, output to display module again.In the present embodiment, the multimedia processing module is to carry out interpolation processing from the video data that first buffer unit reads the definite viewing area that will amplify.
Display module is used to receive the video data of multimedia processing module output, shows the mobile TV picture, and present embodiment is a touch display screen.
Fig. 3 A shows the regional area of selecting that will amplify on the broadcasting pictures of mobile TV; Fig. 3 B shows the regional area among Fig. 3 A is carried out the local display effect figure that watches that amplifies.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1, a kind of the mobile TV playing picture is carried out the local method of watching of amplifying, it is characterized in that, may further comprise the steps:
The mobile terminal playing mobile TV, after opening the local enlargement display function, according to the user instruction definite viewing area that will amplify in the zone of televising of display screen, then according to the viewing area after the amplification that is provided with, the broadcasting pictures of the described viewing area that will amplify is amplified to viewing area after the described amplification, plays in the mode that covers original picture.
2, the method for claim 1 is characterized in that:
Described portable terminal is when playing mobile TV, the original video frame data of the reservation ultimate resolution that will receive earlier are kept at first buffering area, put into second buffering area again after according to the resolution sizes of display screen the original video frame data being carried out interpolation or dwindle processing, reading video data shows at display screen from second buffering area;
Described portable terminal is in the viewing area of having determined to amplify with behind the viewing area after amplifying, read the video data in the corresponding zone that comprises identical content original video frame, viewing area that will amplify from first buffering area, carry out interpolation or dwindle the video data reorganization of handling in back and second buffering area according to the viewing area after amplifying, the video data that is positioned at the viewing area after the amplification in second buffering area is covered.
3, the method for claim 1 is characterized in that:
Viewing area after the described amplification is that the user sets in advance in portable terminal, perhaps, is that portable terminal is determined according to user instruction in mobile phone television playing process.
4, method as claimed in claim 1 or 2 is characterized in that:
Viewing area after the described viewing area that will amplify and the amplification is rectangle, the described viewing area that will amplify is that the point of two diagonal positions choosing on touch display screen according to the user is determined, or dragging with convergent-divergent of the initial rectangular frame that portable terminal shown on touch display screen according to the user determined.
5, method as claimed in claim 1 or 2 is characterized in that:
Keep the length-width ratio of local video when picture is carried out local the amplification, local video is of a size of B ' * C ' after amplifying, and satisfies following condition: B '=B and C '≤C or C '=C and B '≤B, and B wherein, C are respectively the length of the viewing area after amplifying and wide.
6, a kind of portable terminal with mobile TV function comprises mobile TV processing module, multimedia processing module, human-computer interaction module and display module, it is characterized in that:
Described mobile TV processing module is used to receive the mobile TV signal, decodes to obtain keeping the original video frame data of ultimate resolution, after carrying out interpolation or dwindle processing according to the resolution of display screen again, outputs to the multimedia processing module;
Described human-computer interaction module, be used to receive user instruction, open local enlarging function, and the viewing area that will amplify in the zone of televising of display screen, chosen of definite user, with the position of this viewing area that will amplify and the parameter notice multimedia processing module of size;
Described multimedia processing module is used for when local enlarging function is closed, and the video data of importing is directly outputed to display module; When local enlarging function is opened, according to the viewing area after the amplification that is provided with the video data of the viewing area that will amplify determined is carried out interpolation processing, and with the video data reorganization of input, cover original video data of the viewing area after amplifying, output to display module again;
Display module is used to receive the video data of multimedia processing module output, shows the mobile TV picture.
7, portable terminal as claimed in claim 6 is characterized in that:
Described mobile TV processing module comprises decoding unit, first buffer unit, matching treatment unit, second buffer unit, wherein: be saved in described first buffer unit behind the mobile TV signal decoding that described decoding unit is used for receiving; Described first buffer unit is used for the original video frame data that buffer memory keeps ultimate resolution; The matching treatment unit is saved in described second buffer unit after being used for according to the resolution of display screen the original video frame data being carried out interpolation or dwindling processing; Described second buffer unit is used for the video requency frame data that buffer memory has the resolution of display screen, and outputs to the multimedia processing module;
Described multimedia processing module is to carry out interpolation processing from the video data that described first buffer unit reads the definite viewing area that will amplify.
8, as claim 6 or 7 described portable terminals, it is characterized in that:
The information of the viewing area after the amplification that described human-computer interaction module also is used for the user is set in advance sends to the multimedia processing module; Perhaps
The information that described human-computer interaction module also is used for the viewing area that will amplify that mobile phone television playing process is determined according to user instruction sends to the multimedia processing module.
As claim 6 or 7 described portable terminals, it is characterized in that 9, described display module is a touch display screen.
10, portable terminal as claimed in claim 9 is characterized in that:
The point of two diagonal positions that described human-computer interaction module is chosen on touch display screen according to the user is determined the rectangular display area that will amplify, perhaps according to the user dragging with convergent-divergent of the initial rectangular frame that shows on the touch display screen is determined the viewing area that will amplify.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910151623A CN101616281A (en) | 2009-06-26 | 2009-06-26 | A kind of with local method and the portable terminal that amplifies of mobile TV playing picture |
| PCT/CN2009/075552 WO2010148611A1 (en) | 2009-06-26 | 2009-12-14 | Method for partially magnifying picture of mobile phone tv and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910151623A CN101616281A (en) | 2009-06-26 | 2009-06-26 | A kind of with local method and the portable terminal that amplifies of mobile TV playing picture |
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| CN101616281A true CN101616281A (en) | 2009-12-30 |
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| CN200910151623A Pending CN101616281A (en) | 2009-06-26 | 2009-06-26 | A kind of with local method and the portable terminal that amplifies of mobile TV playing picture |
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| CN (1) | CN101616281A (en) |
| WO (1) | WO2010148611A1 (en) |
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