CN101175163A

CN101175163A - Graphics data direction switching device and method, reproducer and method thereof

Info

Publication number: CN101175163A
Application number: CNA2007100070199A
Authority: CN
Inventors: 朴盛晙; 金鹤俊
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2006-11-01
Filing date: 2007-02-07
Publication date: 2008-05-07
Also published as: KR20080039758A; JP2008136188A

Abstract

The invention provides a graph data direction converting device and method and a reappearance device and method using the graph data direction converting device and method. The graph data direction converting device includes an identification unit which identifies the direction of the graph date, a converter which converts the position and direction of the graph data on a basis of the identified direction, and a data output unit which outputs the converted graph data.

Description

Graphics data direction switching and method and transcriber and method

The application requires the priority at the 10-2006-0107473 korean patent application of Korea S Department of Intellectual Property submission on November 1st, 2006, and this application all is disclosed in this for reference.

Technical field

The present invention relates to graphics data direction switching and method, and transcriber and the method for using it.

Background technology

Fig. 1 is the block diagram that is used to reproduce such as the conventional storage media transcriber of the storage medium that coils.

With reference to Fig. 1, the conventional storage media transcriber comprises buffer 110, decoder 120, blender 130 and display unit 140.

The stream that buffer 110 storages are read from dish is such as video and/or figure.Decoder 120 receives the stream that is stored in the buffer 110, and according to their data type the stream that receives is decoded.Blender 130 is mixed into single screen with the decoded data of all data types, display unit 140 display screens.

Fig. 2 is the detailed diagram of conventional storage media transcriber shown in Figure 1.

Various streams are recorded in the storage medium that is used for the multimedia rendering image.These streams comprise be used to provide with interactive graphics (IG) stream of the menu screen of user interactions, by all graph datas except the IG data are provided the presentation graphic that can be used for processing caption and animation (Presentation Graphic, PG) stream, use text data and text style data to produce text subtitle (text ST) stream and the video/audio stream of caption data.

These streams are respectively stored in IG stream damper 112, PG stream damper 114, text ST stream damper 116 and the video stream buffer device 118 that is included in the buffer 110.Decoder 120 comes these data flow are decoded according to the type that is stored in the data flow in the buffer 110.

The data of decoding form IG face (IG plane), PG face (PG plane) and video face (video plane), and wherein, the PG face is used for PG data and text subtitle data.Will be by using blender 130 to mix that these three faces about video form to the video screen of spectators' output, and in display unit 140, show this video screen.

The PG data are not text but figure, and it provides captions and additional information, if PG stream is caption data, then the user only can watch caption data on the direction that captions produce.That is to say that if PG stream comprises the data that level is write, then the user only can watch the data of HORIZONTAL PLAID formula.

Yet Chinese and some other Asian language are vertical writing traditionally.Even the user likes the captions of vertical writing, the form that they also only can watch captions to be created.On the other hand, when only having created vertical captions in stream, some users may want to watch horizontal captions.Thereby, need be used for the additional treatments of between the level of the representation of data that graph data forms and vertical writing direction, changing.

Summary of the invention

The invention provides a kind of graphics data direction switching and method, and transcriber and the method for using it.

The present invention comes the direction of transition diagram graphic data to satisfy various needs of users by the selection according to the user.

According to an aspect of the present invention, provide a kind of graphics data direction switching, having comprised: recognition unit, the direction of identification graph data; Transducer comes the position and the direction of transition diagram graphic data based on the direction that identifies; With the data output unit, the graph data of output conversion.

Described graph data can be presentation graphic (PG) data.

Described graph data can be a caption data.

Described transducer can come the position and the direction of transition diagram graphic data according to user's selection.

Described transducer can be changed between the level of caption data and vertical direction.

Described transducer can comprise: divide device, discern the literal of graph data, and graph data is divided into literal; With the rearrangement unit, rearrange the position and the direction of the graph data of division.

Described rearrangement unit can rearrange all graph datas, rearranges the literal of described graph data then.

Described transducer can also comprise: adjuster, the size that is used to regulate graph data.

Described division device can use optical character identification (ORC) to divide graph data.

Described data output unit can add animation effect to the graph data of conversion, and exports this animation effect and graph data.

According to a further aspect in the invention, provide a kind of graphics data direction conversion method, having comprised: the direction of identification graph data; Come the position and the direction of transition diagram graphic data based on the direction that identifies; Graph data with the output conversion.

Described graph data can be presentation graphic (PG) data.

Described graph data can be a caption data.

Described switch process can comprise: the position and the direction of coming the transition diagram graphic data according to user's selection.

Described switch process can comprise: change between the level of caption data and vertical direction.

Described switch process can comprise: discern the literal of graph data, and graph data is divided into literal; Position and direction with the graph data that rearranges division.

The described step that rearranges can comprise: rearrange all graph datas, rearrange the literal of described graph data then.

The step of described conversion can also comprise: the size of regulating graph data.

Described partiting step can comprise: use optical character identification (OCR) to divide graph data.

Described output step can comprise: add animation effect the graph data of conversion to, and export this animation effect and graph data.

According to a further aspect in the invention, provide a kind of transcriber that is used to reproduce the storage medium that comprises video and graph data, described transcriber comprises: buffer is used for store video and graph data; Decoder is used for being stored in the data decode of buffer; And direction-changing device, in the data of decoder decode, discern the direction of presentation graphic (PG) data and the position of transition diagram graphic data and direction.

Described graph data can be the PG data.

Described storage medium is high density (HD) dish, such as Blu-ray disc or HD digital versatile dish (HD-DVD).

Described graph data can be a caption data.

According to a further aspect in the invention, the reproducting method that provides a kind of reproduction to comprise the storage medium of video and graph data, described reproducting method comprises: store video and graph data; Data decode to storage; With the direction of identification graph data in the data of decoding, and the position of transition diagram graphic data and direction.

Description of drawings

By the detailed description of exemplary embodiment being carried out below in conjunction with accompanying drawing, above-mentioned and other feature and advantage of the present invention will become clear, wherein:

Fig. 1 is the block diagram of conventional storage media transcriber;

Fig. 2 is the detailed diagram of conventional storage media transcriber shown in Figure 1;

Fig. 3 is the block diagram according to the recording medium reproducing apparatus of the embodiment of the invention;

Fig. 4 is the block diagram of presentation graphic (PG) the data direction conversion equipment according to the embodiment of the invention;

Fig. 5 is the detailed diagram of PG data direction conversion equipment shown in Figure 4;

Fig. 6 is the flow chart that illustrates according to the PG data direction conversion method of the embodiment of the invention;

Fig. 7 is the detail flowchart that PG data direction conversion method shown in Figure 6 is shown; With

Fig. 8 is the reference diagram according to the description PG data direction conversion operations of the embodiment of the invention.

Embodiment

Fig. 3 is the block diagram according to the recording medium reproducing apparatus of the embodiment of the invention.

With reference to Fig. 3, recording medium reproducing apparatus comprises buffer 310, decoder 320, blender 330, display unit 340 and direction-changing device 350.

Buffer 310 comprises interactive graphics (IG) (IG) stream damper 312, presentation graphic (PG) stream damper 314, text subtitle (ST) stream damper 316 and video stream buffer device 318, and wherein, every kind of stream is stored in the corresponding buffers.Decoder 320 comes these data flow are decoded according to the data type that is stored in the data flow in the buffer 310.322 pairs of IG data of IG decoder are decoded.The IG data are the graph datas that changed by the user, and such as menu, the IG data are exported based on frame of video or disappeared, and can play in conjunction with video.Usually as IG and processed figure is menu " motion " icon or button.PG decoder 324 is by data decode shows the PG data to PG.The PG data are graph datas and can are image such as picture or photo, or the caption data that is formed by literal.PG data and IG data produce based on Drawing Object, and can support such as rolling, wipe, shear, fade in and the animation effect of color conversion.Text ST decoder 326 uses the text generating caption data.328 pairs of Video Decoders with compression scheme (such as Motion Picture Experts Group (MPEG)-2, H.264 or Video Codec (VC)-1) the coded data decoding.The maximum decodable code size of Video Decoder 328 is full HD (HD) sizes (1920 pixels * 1080 pixels).

Be used to change the direction-changing device 350 PG decoder 324 and arranging and then of the outbound course of PG data, and between the vertical and horizontal presentation direction of PG data, change.That is to say that the PG data of decoding are imported in the direction-changing device 350 and are switched to the direction that is provided with according to user's selection or language.

The PG data of conversion and text subtitle form the PG face, and blender 130 mixes described PG face mutually with IG face and video face.Form and to the video screen of spectators' output and on display unit 340, to show this video screen by mixing.

Fig. 4 is direction-changing device 350 block diagrams according to the recording medium reproducing apparatus shown in Figure 3 of the embodiment of the invention.

With reference to Fig. 4, direction-changing device 350 comprises recognition unit 410, transducer 420 and data output unit 430.

Recognition unit 410 receives the PG data of decoding and discerns the direction of PG data from PG decoder 324.For example, the PG data of recognition unit 410 identification creation are that level is write or vertical writing.

The method that the direction of various identification PG data can be arranged.For example, when rest parts is significant zone after supposition is got rid of the zone of transparent color from the PG data, determine that significant zone is to have more data on the X-axis or on Y-axis.If significant zone has more data on X-axis, then the direction of PG data can be identified as level; If significant zone has more data on Y-axis, then the direction of PG data can be identified as vertical.In addition, this method can determine that the position in significant zone is in the bottom or the right.

For another example, can be by on mathematics, carrying out the directions X auto-correlation of 2-D data and the direction that Y direction auto-correlation is discerned the PG data.

The direction that transducer 420 identifies based on recognition unit 410 is come transition diagram graphic data (PG data) position and direction.If the caption data of PG data is write in the top or the bottom level of screen, then transducer 420 can move to left caption data or the right, and level write is converted to vertical writing.

Data output unit 430 outputs to the caption data of transducer 420 conversions in the blender 330 of recording medium reproducing apparatus shown in Figure 3.

Fig. 5 is the detailed diagram of direction-changing device 350 shown in Figure 4.

The transducer 420 of direction-changing device 350 shown in Figure 4 comprises adjuster 510, divides device 520 and resets unit 530.

Adjuster 510 is regulated the size of PG view data.Usually, the horizontal vertical size ratio of picture screen is 4: 2,16: 9 and 2.1: 1, and promptly trunnion axis is than vertical axial length.Thereby, for horizontal data is converted to vertical data, the image size must be reduced, and, the image size must be increased for vertical data is converted to horizontal data.

Divide the literal of device 520 identification PG data and the PG data are divided into single literal.For the caption data of the direction of changing caption data and output conversion, be necessary that whole character area is divided into a plurality of single character areas and change each direction of single character area.Traditional optical character identification (OCR) method can be used to literal and divide.The OCR method uses optical element to discern literal, and symbol and mark are converted to editable computer version with literal, symbol and mark, and divide literal based on single literal.Perhaps, can utilize literal division methods, the literal division methods of using character pattern of using neural net or the literal division methods of using context (context).

Because only the caption data of PG data must be divided into literal, so the image information of PG data is sent straight to rearrangement unit 530 and does not pass through to divide device 520.

Reset unit 530 and rearrange all PG data and the position and the direction of the literal of spread geometry data again.For example, reset unit 530 and can rotate the PG data around the center of PG data, and the direction of the literal in the PG data of conversion rotation.When literal is rotated, realizes from level to vertical conversion by each literal being rotated counterclockwise 90 degree, and obtain from vertically to the conversion of level by each literal dextrorotation is turn 90 degrees.Perhaps, reset unit 530 and can rearrange literal by moving each literal separately.

As mentioned above, reproduce the PG data, and the PG data can be supported animation effect (such as rolling, wipe, shear, fade in and color conversion) based on Drawing Object.If the PG data of creation have animation effect, then the division of PG data and rearrange processing will execution after removing animation effect, after rearranging processing, animation effect can be added on the PG data that rearrange once more then.

Fig. 6 is the flow chart that illustrates according to the PG data direction conversion method of the embodiment of the invention.

With reference to Fig. 6, the direction of identification PG data in operation 610.That is to say that the PG data of identification creation are that level is write or vertical writing.

By determining opaque color, whether promptly significant zone concentrates on the direction of discerning the PG data on X-axis or the Y-axis.Make in this way, if determine significant zone more data are arranged on X-axis, then the direction of PG data is identified as level, if determine that perhaps there are more data in significant zone on Y-axis, then the direction of PG data is identified as vertical.In addition, can make in this way determine significant zone the position in the bottom still on the right.

In operation 620, change the position and the direction of PG data based on the direction of identification.When the caption data of PG data on the top of screen or bottom level when writing, watch the captions of vertical writing or the captions that will be output when being arranged to vertical writing in user expectation, caption data can be converted into vertical writing and be moved to the left side or the right of screen.

The PG data of output conversion in operation 630.The PG data of output can show on the PG face, mix with video face and IG face, and are shown to the user by display unit 340.When the PG data are displayed to the user, can add animation effect.

Fig. 7 is the detail flowchart that PG data direction conversion method shown in Figure 6 is shown.

With reference to Fig. 7, the direction of identification PG data in operation 710.Can determine whether the direction of PG data will be converted based on the direction of PG data, will be converted, determine then which direction will be the PG data will be switched to if determine the direction of PG data.

In operation 720, regulate the size of PG view data.Usually, the trunnion axis of picture screen is than vertical axial length.Thereby, for horizontal data is converted to vertical data, must reduce the image size, and for vertical data is converted to horizontal data, must expanded view picture size.

The literal of identification and division figure PG data in operation 730.Direction for the caption data of changing the PG data, be necessary whole character areas are divided into a plurality of single character areas, and change the direction of each single character area, thereby before carrying out the direction conversion, the lteral data of PG data must be divided into single literal.

Can use the method for OCR method, neural net, use character pattern or use contextual method to divide literal.

In operation 740, rearrange all PG data, in operation 750, rearrange the lteral data of the division of PG data.Rotate the PG data based on its center or diagonal.In operation 740, the PG data that creation is write for level on screen top or bottom can be converted into the PG data of the vertical writing on the screen left side or the right.

In operation 750, rearrange the literal of PG data.After all PG data were rotated around its center, by rotation, each literal was rearranged for level or vertical writing.When each literal of rotation, realize from level to vertical conversion, by each literal dextrorotation being turn 90 degrees the conversion that realizes from vertical to level by each literal being rotated counterclockwise 90 degree.The PG data of conversion are output and are shown on the PG face, and can mix and be shown to the user with video face and IG face.

Use such as rolling, wipe, shear, fade in and color conversion, comes to show to the user PG data of conversion by the animation effect of PG data support.In addition,, then can after remove animation effect, carry out the division of PG data and rearrange processing, after rearranging processing, animation effect can be added on the PG data that rearrange once more then if the PG data of creation have animation effect.

Fig. 8 is the reference diagram that is used to describe PG data direction conversion operations according to the embodiment of the invention.

With reference to Fig. 8, first screen 810 is the PG data screens that provide from storage medium.The PG data are had the captions of writing in the bottom level of first screen 810 " middle national language performance " by creation.

After the direction that identifies figure PG data is level, in second screen 820, regulate the size of graph data, identification graph data literal, and with lteral data be divided into literal " in ", " state ", " language ", " table " and " showing ".

In the 3rd screen 830, rotate all PG data based on the diagonal of the 3rd screen 830, and rearrange the PG data, thereby vertically arrange the PG data on the right of the 3rd screen 830.

In the 4th screen 840, rotate each literal, and regulate size of data.In the 5th screen 850, the PG data of captions directions have been changed in output.

Although described the direction conversion of PG data in an embodiment of the present invention, it should be appreciated by those skilled in the art that the present invention can be applicable to the direction conversion of other graph datas.

The present invention also can be implemented as the computer-readable code on the computer readable recording medium storing program for performing.Computer readable recording medium storing program for performing can be any data storage device that can store after a while the data that can be read by computer system.The example of computer readable recording medium storing program for performing comprises read-only memory (ROM), random-access memory (ram), CD-ROM, tape, floppy disk, optical storage and carrier wave (such as the transfer of data by the Internet).

As mentioned above, according to the present invention, the direction of the caption data of the PG data by conversion creation can satisfy various needs of users.

In addition, the caption data of the language that is suitable for the user can be provided, thereby words direction can be in optical reproducing apparatus of future generation, freely selected by the direction converting users.

Although the present invention has been carried out concrete demonstration and description with reference to the preferred embodiments of the present invention, but it should be appreciated by those skilled in the art, under the situation that does not break away from the spirit and scope of the present invention, can carry out various changes in form and details to the present invention.These preferred embodiments only are used for describing, and are not used in restriction.Therefore, scope of the present invention be can't help detailed description of the present invention and is limited and limited by claim, and all differences in described scope will be understood to include in the present invention.

Claims

1. graphics data direction switching comprises:

Recognition unit, the direction of identification graph data;

Transducer comes the position and the direction of transition diagram graphic data based on the direction that identifies; With

The data output unit, the graph data of output conversion.

2. graphics data direction switching as claimed in claim 1, wherein, described graph data is the presentation graphic data.

3. graphics data direction switching as claimed in claim 1, wherein, described graph data is a caption data.

4. graphics data direction switching as claimed in claim 2, wherein, described graph data is a caption data.

5. graphics data direction switching as claimed in claim 1, wherein, described transducer comes the position and the direction of transition diagram graphic data according to user's selection.

6. graphics data direction switching as claimed in claim 3, wherein, described transducer is changed between the level of caption data and vertical direction.

7. graphics data direction switching as claimed in claim 3, wherein, described transducer comprises:

Divide device, discern the literal of graph data, and graph data is divided into literal; With

Reset the unit, rearrange the position and the direction of the graph data of division.

8. graphics data direction switching as claimed in claim 7, wherein, described rearrangement unit rearranges all graph datas, rearranges the literal of described graph data then.

9. graphics data direction switching as claimed in claim 7, wherein, described transducer also comprises: adjuster, the size that is used to regulate graph data.

10. graphics data direction switching as claimed in claim 7, wherein, described division device uses optical character identification to divide graph data.

11. graphics data direction switching as claimed in claim 2, wherein, described data output unit adds animation effect the graph data of conversion to, and exports this animation effect and graph data.

12. a graphics data direction conversion method comprises:

The direction of identification graph data;

Come the position and the direction of transition diagram graphic data based on the direction that identifies; With

The graph data of output conversion.

13. graphics data direction conversion method as claimed in claim 12, wherein, described graph data is the presentation graphic data.

14. graphics data direction conversion method as claimed in claim 12, wherein, described graph data is a caption data.

15. graphics data direction conversion method as claimed in claim 13, wherein, described graph data is a caption data.

16. graphics data direction conversion method as claimed in claim 12, wherein, described switch process comprises: the position and the direction of coming the transition diagram graphic data according to user's selection.

17. graphics data direction conversion method as claimed in claim 14, wherein, described switch process comprises: change between the level of caption data and vertical direction.

18. graphics data direction conversion method as claimed in claim 14, wherein, described switch process comprises:

Discern the literal of graph data, and graph data is divided into literal; With

Rearrange the position and the direction of the graph data of division.

19. graphics data direction conversion method as claimed in claim 18, wherein, the described step that rearranges comprises: rearrange all graph datas, rearrange the literal of described graph data then.

20. graphics data direction conversion method as claimed in claim 18, wherein, the step of described conversion also comprises: the size of regulating graph data.

21. graphics data direction conversion method as claimed in claim 18, wherein, described partiting step comprises: use optical character identification to divide graph data.

22. graphics data direction conversion method as claimed in claim 13, wherein, described output step comprises: add animation effect the graph data of conversion to, and export this animation effect and graph data.

23. a transcriber that is used to reproduce the storage medium that comprises video and graph data, described transcriber comprises:

Buffer is used for store video and graph data;

Decoder is used for being stored in the data decode of buffer; With

Direction-changing device, the direction of Identification Lists diagrammatic sketch graphic data in the data of decoder decode, and the position of transition diagram graphic data and direction.

24. transcriber as claimed in claim 23, wherein, described graph data is the presentation graphic data.

25. transcriber as claimed in claim 23, wherein, described storage medium is a compact disc, uses dish such as Blu-ray disc or high-definition digital more.

26. transcriber as claimed in claim 23, wherein, described graph data is a caption data.

27. transcriber as claimed in claim 24, wherein, described graph data is a caption data.

28. a reproduction comprises the reproducting method of the storage medium of video and graph data, described reproducting method comprises:

Store video and graph data;

Data decode to storage; With

The direction of identification graph data in the data of decoding, and the position of transition diagram graphic data and direction.

29. a storage is used to carry out the computer readable recording medium storing program for performing of the computer-readable program of graphics data direction conversion method, described method comprises:

The direction of identification graph data;

Come the position and the direction of transition diagram graphic data based on the direction of identification; With

The graph data of output conversion.