CN103152596B - Control method, equipment and system for graphic text display in three-dimensional television - Google Patents
Control method, equipment and system for graphic text display in three-dimensional television Download PDFInfo
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- CN103152596B CN103152596B CN201310088466.7A CN201310088466A CN103152596B CN 103152596 B CN103152596 B CN 103152596B CN 201310088466 A CN201310088466 A CN 201310088466A CN 103152596 B CN103152596 B CN 103152596B
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Abstract
The embodiment of the invention relates to the technical field of televisions and discloses a control method, equipment and system for graphic text display in a three-dimensional television. The control method, equipment and system are used for controlling the depth position of the graphic text display. The method comprises the following steps of: receiving a message which is transmitted by a server and carries depth indication information, wherein the depth indication information is used for indicating the depth position of the graphic text in a three-dimensional view; acquiring the depth indication information from the message carrying the depth indication information; and controlling the depth position of the graphic text display according to the depth indication information. According to the embodiment of the invention, the depth position of the graphic text display in the three-dimensional television can be controlled, so that the graphic text can be displayed in front of a video and the display quality is kept unchanged.
Description
Technical field
The present invention relates to TV technology, particularly relate to control method and equipment, the system of the display of a kind of graphic text in three-dimensional television.
Background technology
Graph text is must an indispensable part in television system.Wherein, graph text can be electric program menu (Electronic Program Guide, EPG), captions, message etc.In two-dimensional television, the method of graph text display is: video is presented at video layer, graph text is presented at image layer, image layer covers on video layer, and controls the display position of graph text in two dimension view according to the positional information of figure code stream self instruction or the positional information of default configuration.
Inventor finds in practice, in three-dimensional television, if still use said method, user is presented on screen by equipment sensation graph texts such as special 3D glasses or special three-dimensional display screens, then when the view field of graph text on screen is crossing with the view field part of video on screen, and user is when being presented at screen front by the equipment such as special 3D glasses or special three-dimensional display screen sensation video, the display quality of graph text is deteriorated, as shown in Figure 1, the graph text crossing with the view field of video on screen thickens unclear, affect Consumer's Experience.In order to the display quality of graph text is not deteriorated, in three-dimensional television, need the depth location controlling figure text display, graph text be may be displayed on before video.
Summary of the invention
Control method and equipment, the system of the display of a kind of graphic text in three-dimensional television is provided, for controlling the depth location of figure text display in three-dimensional television in the embodiment of the present invention.
Provide the control method of a kind of graphic text in three-dimensional television display in the embodiment of the present invention, comprising:
The message carrying degree of depth indication information that reception server sends, described degree of depth indication information is used to indicate the depth location that graph text shows in 3-D view;
Described degree of depth indication information is obtained from described carrying the message of degree of depth indication information;
The depth location of described graph text display is controlled according to described degree of depth indication information.
Provide the control appliance of a kind of graphic text in three-dimensional television display in the embodiment of the present invention, comprising:
Receiver module, for the message carrying degree of depth indication information that reception server sends, described degree of depth indication information is used to indicate the depth location that graph text shows in 3-D view;
Acquisition module, for obtaining described degree of depth indication information from described carrying in the message of degree of depth indication information;
Control module, for controlling the depth location of described graph text display according to described degree of depth indication information.
Provide the control system of a kind of graphic text in three-dimensional television display in the embodiment of the present invention, comprise control appliance and the server of above-mentioned graphic text in three-dimensional television display;
Described server, for sending the control appliance of the extremely described graphic text in three-dimensional television display of the message carrying degree of depth indication information, described degree of depth indication information is used to indicate the depth location that graph text shows in 3-D view.
Compared with prior art, the embodiment of the present invention possesses following beneficial effect:
In the embodiment of the present invention, use " degree of depth indication information " carrys out the depth location that indicating graphic text shows in 3-D view; After the degree of depth indication information receiving server transmission, the embodiment of the present invention can control the depth location of figure text display according to this degree of depth indication information, thus the depth location of figure text display can be controlled in three-dimensional television, make graph text may be displayed on before video, display quality is not deteriorated.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the video display of existing two-dimensional television and three-dimensional television;
The schematic flow sheet of the control method that Fig. 2 shows for a kind of graphic text in three-dimensional television provided in the embodiment of the present invention;
The schematic flow sheet of the control appliance that Fig. 3 shows for a kind of graphic text in three-dimensional television provided in the embodiment of the present invention;
The structural representation of the control system that Fig. 4 shows for a kind of graphic text in three-dimensional television provided in the embodiment of the present invention.
Embodiment
Control method and equipment, the system of the display of a kind of graphic text in three-dimensional television is provided in the embodiment of the present invention, under the prerequisite not affecting the original operation flow of three-dimensional television, for controlling the depth location of figure text display in three-dimensional television, make graph text may be displayed on before video, display quality is not deteriorated.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of the control method of image text display in a kind of three-dimensional television of providing in the embodiment of the present invention.As shown in Figure 1, this control method can comprise the following steps:
101, the message carrying degree of depth indication information of reception server transmission, wherein, this degree of depth indication information is used to indicate the depth location that graph text shows in 3-D view;
In the present embodiment, the message carrying degree of depth indication information of reception server transmission can be carried out by any one mode following:
(1), reception server send 3 D video code stream, wherein, in this 3 D video code stream, comprise above-mentioned degree of depth indication information.
For example, above-mentioned degree of depth indication information can be comprised in the Supplemental Enhancement Information (SupplementalEnhancement Information, SEI) in this 3 D video code stream.
(2), reception server send graph text code stream, wherein, in this graph text code stream, comprise above-mentioned degree of depth indication information.
For example, above-mentioned degree of depth indication information can be comprised in the sample entrance port case (Sample Entry Box) in this graph text code stream.
(3), reception server send electric program menu EPG metadata, wherein, in this electric program menu EPG metadata, comprise above-mentioned degree of depth indication information.
For example, above-mentioned degree of depth indication information can be comprised in extend markup language (ExtensibleMarkup Language, the XML) element in this electric program menu EPG metadata.Wherein, above-mentioned XML element can find to record any one in (BCDiscovery Record), programme televised live burst (Schedule Event Fragment) or request program burst (On Demand Program Fragment) for broadcast.
(4), reception server send Session Description Protocol (Session Description Protocol, SDP) file, wherein, in this SDP file, comprise above-mentioned degree of depth indication information.
For example, above-mentioned degree of depth indication information can be comprised in " a=" row in this SDP file.
In the present embodiment, above-mentioned degree of depth indication information is specifically as follows image layer offset information or identification information;
Wherein, image layer offset information is used to indicate graph text when showing in 3-D view, relative to the horizontal offset of the display position of graph text in two dimension view.
Wherein, identification information to coordinate with left video or right video show for identifying graph text.
102, above-mentioned degree of depth indication information is obtained from above-mentioned carrying the message of degree of depth indication information;
103, the depth location of figure text display is controlled according to above-mentioned degree of depth indication information.
In the present embodiment, if above-mentioned degree of depth indication information is image layer offset information, being then embodied as of above-mentioned steps 103:
Coordinate with 3-D view after horizontal-shift being carried out to graph text according to above-mentioned degree of depth indication information and show, realize the control of the depth location to graph text display.
In the present embodiment, if above-mentioned degree of depth indication information is identification information, being then embodied as of above-mentioned steps 103:
According to above-mentioned degree of depth indication information (i.e. identification information) graph text coordinated with left video or right video and show, realize the control of the depth location to graph text display.
In the embodiment of the present invention, use " degree of depth indication information " carrys out the depth location that indicating graphic text shows in 3-D view, after the degree of depth indication information receiving server transmission, the embodiment of the present invention can control the depth location of figure text display according to this degree of depth indication information, thus the depth location of figure text display can be controlled in three-dimensional television, make graph text may be displayed on before video, display quality is not deteriorated.
Mode below for server transmission degree of depth indication information is different, introduces the control method of the graphic text in three-dimensional television display provided in the embodiment of the present invention in detail.
Embodiment one:
In the present embodiment one, degree of depth indication information can be carried in 3 D video code stream and transmit by server, and wherein, degree of depth indication information is image layer offset information.Concrete grammar is, defines a kind of Supplemental Enhancement Information (SEI) information, and this SEI information comprises above-mentioned degree of depth indication information; The part of SEI information as 3 D video code stream is transmitted.
Wherein, SEI information be defined as follows shown in table 1, wherein comprise:
(1) Graphics_plane_shift_cancel_flag: be used to indicate graph text and coordinate when showing the need of carrying out horizontal-shift with when front left and right frame of video;
(2) Graphics_shift_Plane_amount: be used to indicate graph text and coordinate horizontal offset when showing with when front left and right frame of video;
Table 1
The flow process of the present embodiment one is as follows:
1) server generates the SEI information comprising degree of depth indication information, and the part of SEI information as 3 D video code stream is transmitted;
2), after terminal receives 3 D video code stream, from 3 D video code stream, the degree of depth indication information carried in SEI information is obtained;
3) the image text code stream of terminal reception server transmission;
4) terminal carries out 3 D video decoding, by the alternately write video layer storage of left video frame, right frame of video, is then alternately sent to blender;
5) the graph text code stream of terminal parses server transmission;
6) terminal judges whether to need to carry out horizontal-shift to graph text according to the Graphics_plane_shift_cancel_flag in SEI information, if needed, carry out step 7); If do not needed, then jump out this flow process;
7) needs coordinate the graph text shown to write image layer scratchpad area (SPA) with when front left and right frame of video by terminal, and the type (left video or right video) of frame of video according to process to be mixed and image layer offset information, corresponding migration processing is carried out to the graph text data in image layer scratchpad area (SPA);
For example, if the frame of video of process to be mixed is left video frame, then according to image layer offset information, corresponding right migration processing is carried out to the graph text data in image layer scratchpad area (SPA); If the frame of video of process to be mixed is right frame of video, then according to image layer offset information, corresponding left migration processing is carried out to the graph text data in image layer scratchpad area (SPA).
8) the graph text data of carrying out migration processing are sent to blender;
9) blender is by the video in video layer and graph text data mixing output display.
Wherein, blender can by the left video frame in video layer and the graph text data mixing output display carrying out corresponding right migration processing; By the right frame of video in video layer and the graph text data mixing output display carrying out corresponding left migration processing, thus control the depth location of figure text display.
In the embodiment of the present invention, terminal can be specifically Set Top Box, or has the integrated three-dimensional television set of function of Set Top Box.
Embodiment two:
In the present embodiment two, degree of depth indication information can be carried in graph text code stream and transmit by server, and wherein, degree of depth indication information is image layer offset information.Wherein, graph text code stream can adopt real-time text (Timed Text) standard that third generation partner program (3rd Generation Partnership Project, 3GPP) defines.
Specify in real-time text standard, the code stream meeting real-time text standard comprises Track HeaderBox (orbital head case) and Sample Entry Box (sample entrance port case).In Track Header Box, define a region, all Text Sample (samples of text) must be presented in this region; Then the display position of concrete Text Sample is indicated by the class Box Record (case record) in Sample Entry Box.
In the present embodiment two, 3GPP real-time text standard is expanded, define a new class Graphics Plane Shift Record (image layer offset information record), be carried in Sample Entry Box, for registered depth indication information.Such Graphics Plane Shift Record is defined as follows;
After terminal receives graph text code stream, from graph text code stream, obtain out above-mentioned GraphicsPlaneShiftRecord information, and corresponding migration processing is carried out to graph text, then carry out mixing output display with corresponding video code flow.
Embodiment three:
In the present embodiment three, degree of depth indication information can be carried in EPG metadata and transmit by server, and wherein, degree of depth indication information is image layer offset information.After terminal receives EPG metadata, degree of depth indication information can be obtained from EPG metadata, and then control the depth location of figure text display.
In the present embodiment three, EPG metadata comprises the EPG metadata of the EPG metadata of channel, live EPG metadata and request program.Wherein, the XML unit of the EPG metadata of definition have: broadcast finds record, programme televised live burst and request program burst.
In the present embodiment three, server can be expanded any one in above-mentioned three XML elements, make it to increase daughter element GraphicsPlaneShift (image layer offset information), wherein GraphicsPlaneShift comprises GraphicsPlaneShiftAmount (horizontal offset) information, as follows.
After terminal receives EPG metadata, from EPG metadata, obtain out above-mentioned GraphicsPlaneShift information, and corresponding migration processing is carried out to graph text, then carry out mixing output display with corresponding video code flow.
Embodiment four:
In the present embodiment four, degree of depth indication information can carry and transmit in the sdp file by server, and wherein, degree of depth indication information is image layer offset information.Terminal can obtain degree of depth indication information after receiving SDP file from SDP file, and then controls the depth location of figure text display.
In the present embodiment four, " m=" line description Media Stream (video/audio/graph text) can be used in SDP file, by the specific object of " a=" line description Media Stream, that is:
M=media name transmit port
A=attribute (or attribute: property value)
Wherein, definition a=GraphicsPlaneShift presentation graphic text coordinates horizontal offset when showing with when front left and right video.
After terminal receives SDP file, degree of depth indication information can be obtained from SDP file in " a=GraphicsPlaneShift " row, and corresponding migration processing is carried out to graph text, then carry out mixing output display with corresponding video code flow.
Embodiment five:
In the present embodiment five, server end can generate and transmitting two paths graph text code stream, is respectively used to coordinate with left and right video show.Wherein, the method that server generates two-way graph text code stream has multiple, for example, server end carries out horizontal-shift according to image layer offset information to the right to the graph text shown in two dimension view, obtains a road graph text and shows for coordinating with left video; According to graph layer offset information, horizontal-shift is carried out left to the graph text shown in two dimension view, obtain another road graph text and show for coordinating with right video.This image layer offset information is used to indicate graph text when showing in 3-D view, relative to the horizontal offset of the display position of graph text in two dimension view.Namely the content of the graph text of two-way graph text code stream is identical, and display position is different.Meanwhile, server transmission identification information, illustrates that figure text code stream coordinates with left video or right video and shows.After terminal receives a certain road graph text code stream and identification information, according to identification information graph text code stream coordinated with corresponding video and show.
In the present embodiment five, use " m=" line description Media Stream (video/audio/graph text) in SDP file, by the specific object of " a=" line description Media Stream.
Wherein, definition a=leftviewflag and a=rightviewflag, representative associates with left and right video and shows respectively;
In the sdp file, for coordinate " m=" of the graph text code stream shown row with left video under, " a=" is comprised OK, a=leftviewflag; " a=" is comprised OK, a=rightviewflag for coordinate " m=" of the graph text code stream shown row with right video under.
After terminal receives SDP file, the identification information of graph text code stream can be obtained from " a=" row, according to the identification information of graph text code stream, graph text code stream is coordinated with corresponding video and shows.
Refer to Fig. 3, in a kind of three-dimensional television that Fig. 3 provides for the embodiment of the present invention, control the structure journey schematic diagram of the control appliance of image text display.As shown in Figure 3, this control appliance can comprise:
Receiver module 301, for the message carrying degree of depth indication information that reception server sends, wherein, this degree of depth indication information is used to indicate the depth location that graph text shows in 3-D view;
Acquisition module 302, for obtaining above-mentioned degree of depth indication information from above-mentioned carrying in the message of degree of depth indication information;
Control module 303, for controlling the depth location of figure text display according to above-mentioned degree of depth indication information.
In the present embodiment, receiver module 301 may be used for the 3 D video code stream that reception server sends, and wherein, comprises above-mentioned degree of depth indication information in this 3 D video code stream; For example, above-mentioned degree of depth indication information can be comprised in the Supplemental Enhancement Information (SEI) in this 3 D video code stream.
Or the graph text code stream that receiver module 301 sends for reception server, wherein, comprises above-mentioned degree of depth indication information in this graph text code stream; For example, above-mentioned degree of depth indication information can be comprised in the sample entrance port case (Sample Entry Box) in this graph text code stream.
Or the electric program menu EPG metadata that receiver module 301 sends for reception server, wherein, comprises above-mentioned degree of depth indication information in this electric program menu EPG metadata; For example, above-mentioned degree of depth indication information can be comprised in extend markup language (Extensible MarkupLanguage, the XML) element in this electric program menu EPG metadata.Wherein, above-mentioned XML element can find to record any one in (BCDiscovery Record), programme televised live burst (Schedule Event Fragment) or request program burst (On Demand Program Fragment) for broadcast.
Or the Session Description Protocol SDP file that receiver module 301 sends for reception server, wherein, comprises above-mentioned degree of depth indication information in this Session Description Protocol SDP file; For example, above-mentioned degree of depth indication information can be comprised in " a=" row in this SDP file.
In the present embodiment, above-mentioned degree of depth indication information can be image layer offset information, and wherein, image layer offset information is used to indicate graph text when showing in 3-D view, relative to the horizontal offset of the display position of graph text in two dimension view.
Correspondingly, control module 303 shows for coordinating with 3 D video after carrying out horizontal-shift according to above-mentioned degree of depth indication information to graph text, realizes the control of the depth location to graph text display.
In the present embodiment, above-mentioned degree of depth indication information can be identification information, and wherein, identification information to coordinate with left video or right video show for identifying graph text; Correspondingly, control module 303 shows for being coordinated with left video or right video by graph text according to above-mentioned degree of depth indication information, realizes the control of the depth location to graph text display.
In the control appliance that the embodiment of the present invention provides, use " degree of depth indication information " carrys out the depth location that indicating graphic text shows in 3-D view, after the degree of depth indication information receiving server transmission, the embodiment of the present invention can control the depth location of figure text display according to this degree of depth indication information, thus the depth location of figure text display can be controlled in three-dimensional television, make graph text may be displayed on before video, display quality is not deteriorated.
Refer to Fig. 4, in a kind of three-dimensional television that Fig. 4 provides for the embodiment of the present invention, control the structural representation of the control system of image text display.As shown in Figure 4, this control system can comprise:
Server 401, for sending the control appliance 402 that message to the graphic text in three-dimensional television that carries degree of depth indication information shows, wherein, this degree of depth indication information is used to indicate the depth location that graph text shows in 3-D view.
The control appliance 402 of graphic text in three-dimensional television display, for the message carrying degree of depth indication information that reception server 401 sends; Above-mentioned degree of depth indication information is obtained from above-mentioned carrying the message of degree of depth indication information; The depth location of figure text display is controlled according to above-mentioned degree of depth indication information.
Wherein, the structure of the control appliance 402 of graphic text in three-dimensional television display is identical with Fig. 3, and the present embodiment is not repeated.
In the present embodiment, server 401 may be used for sending 3 D video code stream to control appliance 402, wherein, comprises above-mentioned degree of depth indication information in this 3 D video code stream; For example, above-mentioned degree of depth indication information can be comprised in the Supplemental Enhancement Information (SEI) in this 3 D video code stream.
Or server 401, for sending graph text code stream to control appliance 402, wherein, comprises above-mentioned degree of depth indication information in this graph text code stream; For example, above-mentioned degree of depth indication information can be comprised in the sample entrance port case (Sample Entry Box) in this graph text code stream.
Or server 401, for sending electric program menu EPG metadata to control appliance 402, wherein, comprises above-mentioned degree of depth indication information in this electric program menu EPG metadata; For example, above-mentioned degree of depth indication information can be comprised in the expandable mark language XML element in this electric program menu EPG metadata; Wherein, XML element is any one that broadcast finds in record, programme televised live burst or request program burst.
Or server 401, for sending Session Description Protocol SDP file to control appliance 402, wherein, comprises above-mentioned degree of depth indication information in this Session Description Protocol SDP file; For example, above-mentioned degree of depth indication information can be comprised in " a=" row in this Session Description Protocol (SDP) file.
In the present embodiment, above-mentioned degree of depth indication information can be image layer offset information, and wherein, image layer offset information is used to indicate graph text when showing in 3-D view, relative to the horizontal offset of the display position of graph text in two dimension view.Correspondingly, coordinate with 3 D video after control appliance 402 can carry out horizontal-shift according to this degree of depth indication information to graph text and show, realize the control of the depth location to graph text display.
In the present embodiment, above-mentioned degree of depth indication information is identification information, and wherein, identification information to coordinate with left video or right video show for identifying graph text; Wherein, graph text is generated by server 401 and carries out horizontal-shift according to image layer offset information in advance, image layer offset information is used to indicate graph text when showing in 3-D view, relative to the horizontal offset of the display position of graph text in two dimension view.Correspondingly, graph text can to coordinate with left video or right video according to this degree of depth indication information and show by control appliance 402, realizes the control of the depth location to graph text display.
The control system that the embodiment of the present invention provides can control the depth location of figure text display in three-dimensional television, and make graph text may be displayed on before video, display quality is not deteriorated.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: USB flash disk, read-only memory (Read-Only Memory, ROM), random access device (Random Access Memory, RAM), magnetic disc or CD etc. various can be program code stored medium.
Above the control method of a kind of graphic text in three-dimensional television display provided in the embodiment of the present invention and equipment, system are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (11)
1. a control method for graphic text in three-dimensional television display, is characterized in that, comprising:
The message carrying degree of depth indication information that reception server sends, described degree of depth indication information is used to indicate the depth location that graph text shows in 3-D view; Described degree of depth indication information is image layer offset information, and described image layer offset information is used to indicate described graph text when showing in 3-D view, relative to the horizontal offset of the display position of described graph text in two dimension view;
Described degree of depth indication information is obtained from described carrying the message of degree of depth indication information;
According to described degree of depth indication information, horizontal-shift is carried out to described graph text, be specially: if the frame of video of process to be mixed is left video frame, then according to image layer offset information, corresponding right migration processing is carried out to the graph text data in image layer, if the frame of video of process to be mixed is right frame of video, then according to image layer offset information, corresponding left migration processing is carried out to the graph text data in image layer.
2. method according to claim 1, is characterized in that, after carrying out horizontal-shift to described graph text, coordinates and shows, specifically comprise with 3 D video:
The graph text data of carrying out migration processing are sent to blender, and blender is by the video in video layer and graph text data mixing output display.
3. method according to claim 1, is characterized in that, the message carrying degree of depth indication information that described reception server sends comprises:
The 3 D video code stream that reception server sends, comprises described degree of depth indication information in described 3 D video code stream;
Or the graph text code stream that reception server sends, comprises described degree of depth indication information in described graph text code stream;
Or the electric program menu EPG metadata that reception server sends, comprises described degree of depth indication information in described electric program menu EPG metadata;
Or the Session Description Protocol SDP file that reception server sends, comprises described degree of depth indication information in described Session Description Protocol SDP file.
4. method according to claim 3, is characterized in that,
Described degree of depth indication information is comprised in Supplemental Enhancement Information SEI in described 3 D video code stream;
Described degree of depth indication information is comprised in sample entrance port case Sample Entry Box in described graph text code stream;
Described degree of depth indication information is comprised in expandable mark language XML element in described electric program menu EPG metadata; Described XML element is any one that broadcast finds in record, programme televised live burst or request program burst;
Described degree of depth indication information is comprised in " a=" row in described Session Description Protocol SDP file.
5. a control appliance for graphic text in three-dimensional television display, is characterized in that, comprising:
Receiver module, for the message carrying degree of depth indication information that reception server sends, described degree of depth indication information is used to indicate the depth location that graph text shows in 3-D view, described degree of depth indication information is image layer offset information, described image layer offset information is used to indicate described graph text when showing in 3-D view, relative to the horizontal offset of the display position of described graph text in two dimension view;
Acquisition module, for obtaining described degree of depth indication information from described carrying in the message of degree of depth indication information;
Control module, for carrying out horizontal-shift according to described degree of depth indication information to described graph text, be specially: if the frame of video of process to be mixed is left video frame, then according to image layer offset information, corresponding right migration processing is carried out to the graph text data in image layer, if the frame of video of process to be mixed is right frame of video, then according to image layer offset information, corresponding left migration processing is carried out to the graph text data in image layer.
6. control appliance according to claim 5, is characterized in that, after carrying out horizontal-shift to described graph text, coordinates and shows, specifically comprise with 3 D video:
The graph text data of carrying out migration processing are sent to blender by control module, and blender is by the video in video layer and graph text data mixing output display.
7. control appliance according to claim 5, is characterized in that,
Described receiver module, for the 3 D video code stream that reception server sends, comprises described degree of depth indication information in described 3 D video code stream;
Or, for the graph text code stream that reception server sends, in described graph text code stream, comprise described degree of depth indication information;
Or, for the electric program menu EPG metadata that reception server sends, in described electric program menu EPG metadata, comprise described degree of depth indication information;
Or, for the Session Description Protocol SDP file that reception server sends, in described Session Description Protocol SDP file, comprise described degree of depth indication information.
8. control appliance according to claim 7, is characterized in that,
Described degree of depth indication information is comprised in Supplemental Enhancement Information SEI in described 3 D video code stream;
Described degree of depth indication information is comprised in sample entrance port case Sample Entry Box in described graph text code stream;
Described degree of depth indication information is comprised in expandable mark language XML element in described electric program menu EPG metadata; Described XML element is any one that broadcast finds in record, programme televised live burst or request program burst;
Described degree of depth indication information is comprised in " a=" row in described Session Description Protocol SDP file.
9. a control system for graphic text in three-dimensional television display, is characterized in that, comprises control appliance and the server of the graphic text in three-dimensional television display described in any one of the claims 5 to 8;
Described server, for sending the control appliance of the extremely described graphic text in three-dimensional television display of the message carrying degree of depth indication information, described degree of depth indication information is used to indicate the depth location that graph text shows in 3-D view, described degree of depth indication information is image layer offset information, described image layer offset information is used to indicate described graph text when showing in 3-D view, relative to the horizontal offset of the display position of described graph text in two dimension view.
10. control system according to claim 9, is characterized in that,
Described server, for sending 3 D video code stream to described control appliance, comprises described degree of depth indication information in described 3 D video code stream;
Or, for sending graph text code stream to described control appliance, in described graph text code stream, comprise described degree of depth indication information;
Or, for sending electric program menu EPG metadata to described control appliance, in described electric program menu EPG metadata, comprise described degree of depth indication information;
Or, for sending Session Description Protocol SDP file to described control appliance, in described Session Description Protocol SDP file, comprise described degree of depth indication information.
11. control system according to claim 10, is characterized in that,
Described degree of depth indication information is comprised in Supplemental Enhancement Information SEI in described 3 D video code stream;
Described degree of depth indication information is comprised in sample entrance port case Sample Entry Box in described graph text code stream;
Described degree of depth indication information is comprised in expandable mark language XML element in described electric program menu EPG metadata; Described XML element is any one that broadcast finds in record, programme televised live burst or request program burst;
Described degree of depth indication information is comprised in " a=" row in described Session Description Protocol SDP file.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088466.7A CN103152596B (en) | 2010-08-25 | 2010-08-25 | Control method, equipment and system for graphic text display in three-dimensional television |
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| CN201310088466.7A CN103152596B (en) | 2010-08-25 | 2010-08-25 | Control method, equipment and system for graphic text display in three-dimensional television |
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| JP2004274125A (en) * | 2003-03-05 | 2004-09-30 | Sony Corp | Image processing apparatus and method |
| CN101653011A (en) * | 2007-03-16 | 2010-02-17 | 汤姆森许可贸易公司 | System and method for combining text with three-dimensional content |
| WO2010093115A2 (en) * | 2009-02-12 | 2010-08-19 | Lg Electronics Inc. | Broadcast receiver and 3d subtitle data processing method thereof |
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| JP2004274125A (en) * | 2003-03-05 | 2004-09-30 | Sony Corp | Image processing apparatus and method |
| CN101653011A (en) * | 2007-03-16 | 2010-02-17 | 汤姆森许可贸易公司 | System and method for combining text with three-dimensional content |
| WO2010093115A2 (en) * | 2009-02-12 | 2010-08-19 | Lg Electronics Inc. | Broadcast receiver and 3d subtitle data processing method thereof |
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