JPH11146299A - Device and method for displaying data television broadcasting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a user interface of data television broadcasting display. SOLUTION: In a data television broadcasting display 11 composed of data television broadcasting receiver 14, a television broadcasting processor, a data broadcasting processor, a graphics processor and a display, the television broadcasting of plural channels is received, an image with respective images on a three-dimensional object is displayed, the object is displayed while being rotated or moved, and the target channel is selected by being moved to a channel selecting section so that the channels can be switched.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an apparatus for receiving and displaying a data television broadcast.

[0002]

2. Description of the Related Art In a conventional data television broadcasting system, a board for receiving a data television broadcast is mounted on a personal computer, the board decodes the data broadcast, and the personal computer displays data broadcast contents. As a specific example of the above, “Special Feature 1“ Data Broadcasting ”Production Start! ", Nikkei Multimedia, 1997.10.15 (28th) pp46
-57.

In a workstation, a personal computer, a car navigation system, and the like, a three-dimensional API (OpenGL, VRML, or the like) is used to perform coordinate conversion, shading, and the like of a three-dimensional model. As a specific example of the above, “OpenGL and three-dimensional graphics”, Nikkei CG. 1
Some are listed in the special appendix pp. Pp. 106-149.

[0004]

The conventional data broadcasting system has a problem in that since the personal computer performs the data broadcasting process, only the user who owns the personal computer can use the data broadcasting, and the cost of the entire system increases.

[0005] The present invention proposes a system for performing data processing and display of data television broadcasting, and thereby proposes a system that enables effective cooperation between television broadcasting and data broadcasting at low cost. Advanced image processing can be performed by incorporating a three-dimensional API into this system.

In addition, the conventional channel selection system does not take into account the increase in the number of channels of television broadcasting, and has a problem that it takes time to select a channel and requires much time and effort for operation.

[0007] It is an object of the present invention to reduce the time for channel selection, and to further assist the user in channel selection.

[0008] Another problem is that the conventional advertising information is separated from other information.

[0009] It is an object of the present invention to link advertising information with other information and to provide an effective advertising effect.

Conventionally, there has been no method of informing the user of necessary information in real time using a television system.

An object of the present invention is to notify a user of necessary information in real time using a television system.

In addition, there has been a problem that the interface of the window operation performed by the user is difficult to understand.

[0013] It is an object of the present invention to provide an interface capable of operating a window as if turning pages of a book.

In addition, there has been a problem that the user cannot select a viewpoint and watch a television image.

An object of the present invention is to enable a user to select a viewpoint and watch a television image.

[0016]

In order to achieve the above object, a system for performing data television broadcast processing and graphics processing has been proposed.

To achieve the above and other objects, a stereoscopic channel system has been proposed.

In order to achieve the other object, a system for displaying a three-dimensional animation connecting an advertisement window and other information is proposed.

To achieve the above and other objects, the present invention proposes a system for displaying advertisements, emergency broadcasts, and home information on a television screen using a graphics processor.

In order to achieve the above-mentioned other object, the present invention proposes an interface for operating a window so as to turn a page of a book.

In order to achieve the other object, a viewpoint selection system is proposed.

[0022]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows an overall system when a data television broadcast display device 11 proposed by the present invention is used. The data television broadcast transmitted by the data television broadcast station 12 is transmitted from the data television broadcast transmitter 13 and received by the data television broadcast receiver 14 in each home. The received data television broadcast is displayed by the data television broadcast display device 11 and operated by the user with the remote controller 15 or the like. The remote controller 15 has an interface for selecting up, down, left and right directions, a button for selecting various items, a button for canceling selection of items, a button for inputting numbers, and the like. With this remote controller, rotation, movement and selection of a stereo channel, selection of a window, selection of a viewpoint, and the like, which will be described later, can be performed.

FIG. 2 is a hardware configuration diagram of a data television broadcasting process and a three-dimensional graphics system proposed by the present invention. Here, the data television broadcast includes a television broadcast and a data broadcast. The television broadcast refers to a broadcast assigned to each channel sent from a broadcasting station, and the data broadcast refers to various information broadcasts sent to a gap area of the television broadcast assigned to each channel.

Data television broadcast 210 is sent from receiver 220 to data television broadcast I / O 160. Data TV broadcast I / O 160 is graphics processor 1
30 and TV broadcast image B52 processed by the main processor
0 and data broadcast information 530 are sent out.

The input device 300 includes a remote controller, a keypad, a joystick, a mouse, a laser pointer, and the like. The serial I / O 170 converts a signal received from the input device 300 into input data 540 and sends it to the main processor 110 as an interrupt.

The home information terminal 350 includes a door phone, a dedicated information terminal device, and the like. The home information I / O 180 converts a signal received from the home information terminal 350 into home information data, and converts the signal into home information data.
Send to 0.

The main processor 110 has a main memory 1
20, the processing of the television broadcast image B520 and the data broadcast information 530, the input interruption processing, the channel selection of the TV image A510 and the TV image B520, the management of the window, the display list to the integrated memory 140, and the like. Writing of texture data, control of the graphics processor 130, and the like are performed. The main memory 120 stores a program executed by the main processor, a three-dimensional API, a television broadcast image B 520, data broadcast information 530, a channel information table 4000, and the like.

The graphics processor 130 executes a display list stored in the integrated memory 140 to draw graphics in a frame buffer, and performs a synthesis process of the frame buffer and the television broadcast image A.
The output image 550 is displayed on the display 4 via the DAC 150.
Send to 00. The integrated memory stores a frame buffer, a display list sent from the main processor, texture data, and the like. The display 400 displays an output image 550 sent from the DAC 150.

For three-dimensional graphics, an API for performing three-dimensional graphics processing is prepared in advance, and is processed by the main processor and the graphics processor. In the case of displaying an animation, a smaller amount of data is required to be drawn in a display list of a graphics processor using an API for performing a graphics process than in a conventional animation GIF or the like, especially in three-dimensional animation. . By using the API for performing the graphics processing as described above, it is possible to reduce the amount of necessary data. In addition, since the display list is created by the main processor, the flexible graphics according to the input from the user can be performed. Display becomes possible.

Screen Configuration Example 300 Displayed by This System
0 is shown in FIG. The window displayed by the main processor is window-managed, and the advertisement window 3010,
The menu window 3020, the data broadcast information window 3030, and the television image window 3040 are divided and displayed.

Next, an embodiment of a three-dimensional channel will be described. FIG. 4 shows the channel information table 4000. Channel information is channel number 40
10, a program guide 4020, and a program image pattern 4030. The channel information table 4000 is prepared for each data television broadcast to be received. The program guide 4020 and the program image pattern 4030 corresponding to each channel number 4010 have the television image B520 in addition to the information held as default.
And information updated by the data broadcast information.

The three-dimensional channel system is used not only for receiving data television broadcasting but also for receiving television broadcasting only. In this case, only the program image symbols are updated.

FIG. 5 shows a procedure for creating a display list for drawing a stereoscopic channel using the channel information. First, the current channel information table is read out, then, which channel information is to be pasted on each part of the stereoscopic channel, and a display list for drawing the stereoscopic channel is sent to the graphics processor. At this time, the channel information is sent to the integrated memory as texture data. This texture data is subjected to three-dimensional deformation and shading processing according to a display list executed by the graphics processor, and then pasted, thereby providing an interface that is easy for the user to understand. As an example of a three-dimensional channel drawn in this way, an example 6010 of attaching channel information to a cylinder and an example 6020 of attaching channel information to a sphere
Is shown. Selection of what channel information is displayed on the stereoscopic channel can be specified by the user using an input device, and a plurality of items can be selected, such as displaying a channel number and program information over a program image pattern. To do. The three-dimensional channel 6010 can be rotated left and right and slid up and down by a user input, and the three-dimensional channel 6020 can be freely rotated by a user input. However, when pasting the texture on the sphere, it is necessary to devise so that the texture to be pasted is not oblique. As an example, a spherical channel is realized by keeping a cylindrical channel in the center and narrowing it in a spherical shape in the vertical direction. This stereo channel is an AP that performs 3D graphics processing
By using I to realize animation of shading and rotation, the user interface becomes easy to operate and understand. Channel switching is performed by moving a program to be viewed to the channel selection portions 6011 and 6021 and selecting it by the input device. Channel selection part 601
1, 6021 is a display which is easy for the user to understand by changing the brightness or the like. The channel information that is pasted on the stereo channel will paste all the channels,
The user's channel selection is supported by pasting a channel of a genre selected in advance, pasting a channel of a related field by inputting a keyword, pasting a channel registered in advance by the user, and the like. By using these three-dimensional channels, it is possible to quickly and easily select a desired channel for multi-channel broadcasting.

FIG. 7 shows an example of a hyper channel in which the three-dimensional channel is hierarchized. When a sub-category is selected from the stereo channels displaying the main category, a stereo channel displaying the selected sub-category is newly displayed. By giving such a hierarchical structure to the stereoscopic channel, selection of programs included in a plurality of categories is simplified.

As an application example of the three-dimensional channel, there are adjustment of color, position, size, distortion, sound volume, surround effect and the like of a television screen. By using the interface using the three-dimensional channels, a user interface for a unified television can be obtained. By incorporating this three-dimensional channel into a car navigation system, instead of a channel information table, a place name and information on the place are prepared and attached to a three-dimensional object, so that navigation can be complemented.

FIG. 8 shows an example of a three-dimensional display popping out of the advertisement window, and FIG. 9 shows a three-dimensional graphic between the advertisement information window and the data information window when there is link information to the data information in the advertisement information. The process of linking using is shown. If there is a link to the data broadcast information in the advertisement information, a three-dimensional animation 800 connecting the advertisement window and the link destination of the data broadcast information window
A display list displaying 0 is sent to the graphics processor using a three-dimensional API. The display list of the three-dimensional animation can be dynamically created by the main processor by designating the position of the advertisement and the position of the link destination. By linking the advertisement window and the data broadcast information window with three-dimensional animation in this manner, an effective advertisement effect can be obtained.

FIG. 10 shows an example in which an advertisement, emergency information, home information, and the like are displayed three-dimensionally on a display. By superimposing and displaying advertisements, emergency information, and information sent from the home on the television image, it is possible to receive information in real time and quickly respond to user needs. FIG. 11 illustrates the flow of processing using urgent information processing as an example. If there is information that emergency information is included in the data broadcast, create texture data of the emergency information, send it to the integrated memory, and send a display list that superimposes the emergency information on the TV image to the graphics processor . The processing is the same for advertising information.If there is information indicating that advertising information is included during data broadcasting, texture data for the advertising information is created, sent to the integrated memory, and the advertising information is superimposed on the TV image. The display list to be displayed to the graphics processor. In the case of home information, the contents to be displayed are sent to the integrated memory as texture data in accordance with the home information data input as an interrupt, and the display list to be superimposed on the television image is sent to the graphics processor.

FIG. 12 shows an example of a three-dimensional window.
Window B12020 above window C12030
Further, when the window A12010 is superimposed and displayed thereon, the graphics processor deforms the window image in the integrated memory three-dimensionally, thereby adding an effect such as obliquely viewing a book page. be able to. At this time, by storing the television image B as a texture in the integrated memory, images of a plurality of channels can be displayed simultaneously. By turning off the top window by the user's operation, an effect of turning pages can be provided.

FIG. 13 shows a three-dimensional animation whose viewpoint can be changed. This three-dimensional animation is transmitted by data broadcasting, and realizes a change in viewpoint by creating a display list in response to an input from a user. FIG. 14 shows a viewpoint selection method of a three-dimensional animation in which the viewpoint can be changed. First, a viewpoint that can be selected is displayed on a display, and input from a user is waited. Methods for obtaining the viewpoint selection from the user include indicating the direction of the selectable viewpoint and displaying the position of the selectable viewpoint. When there is no input from the user, the default viewpoint is selected as it is, and when there is an input from the user, the viewpoint is changed to the viewpoint selected by the user. This change in viewpoint is reflected in the display list created by the main processor using the three-dimensional graphics API.
The dimensional animation can be viewed from the viewpoint selected by the user. As an application, there is a system in which a user can grasp a weather condition three-dimensionally by transmitting weather information as three-dimensional data.

FIG. 15 shows an example in which the viewpoint selection system is applied to a sports program such as a baseball broadcast and other television programs. When a television broadcast of the same program viewed from a plurality of viewpoints is sent, a window 15010 is displayed to display information on which viewpoint the user is watching from and information on which position the viewpoint can be changed, The main processor creates a display list to be superimposed on the TV image and sends it to the graphics processor,
The user can change the channel to the television program viewed from the viewpoint by selecting the viewpoint.

[0042]

According to the present invention, since the channel can be selected by the three-dimensional channel, there is an effect that the user's channel selection is supported and the speed is increased.

Further, since the advertisement information and the data broadcast can be linked, there is an effect of increasing the advertising effect.

Further, since advertisements, emergency information and home information can be displayed in real time, there is an effect that the user can quickly obtain necessary information.

Further, since the windows can be three-dimensionally overlapped, there is an effect that the operation can be performed as if turning a page with respect to the window.

Furthermore, since the broadcast can be viewed by switching the viewpoint, there is an effect that the user can select the desired viewpoint and watch the broadcast.

[Brief description of the drawings]

FIG. 1 shows a usage example of data television broadcasting.

FIG. 2 is a hardware configuration diagram.

FIG. 3 is an example of a display screen configuration.

FIG. 4 is a channel information table.

FIG. 5 is a drawing flow of a three-dimensional channel.

FIG. 6 is a three-dimensional channel diagram.

FIG. 7 is an example of a hierarchical structure of a stereo channel.

FIG. 8 is a flowchart of a three-dimensional display process popping out of an advertisement window.

FIG. 9 shows a link between an advertisement information window and a data information window.

FIG. 10 shows three-dimensionally superimposed advertisements, emergency information, home information, and the like on a display.

FIG. 11 is an emergency information processing flow.

FIG. 12 is an example of a three-dimensional window.

FIG. 13 shows an example of a three-dimensional animation in which the viewpoint can be freely changed.

FIG. 14 is a viewpoint selection processing flow of a three-dimensional animation in which the viewpoint can be freely changed.

FIG. 15 shows an embodiment of a system capable of switching channels by selecting a viewpoint.

[Explanation of symbols]

11 ... data television broadcast display device, 12 ... data television broadcast station, 13 ... data television broadcast transmitter, 14 ...
Data TV broadcast receiving device, 15 Remote controller, 110 Main processor, 120 Main memory, 130 Graphics processor, 140 Integrated memory, 150 DAC, 160 Data TV broadcast I
/ O, 170 ... Serial I / O, 180 ... Home information I
/ O, 210: data TV broadcast, 220: receiver, 300
... Input device, 350 ... Home information terminal, 400 ... Display, 510 ... TV image A, 520 ... TV image B, 5
30, data broadcasting, 540, input data, 550, output image, 560, home information data, 3000, screen configuration example, 3010, advertising window, 3020, menu window, 3030, data broadcasting information window, 30
Reference numeral 40: TV image window, 4000: channel information table, 4010: channel number, 4020: program guide, 4030: program image pattern, 6010: cylindrical three-dimensional channel, 6020: spherical three-dimensional channel, 800
0: An example of three-dimensionally popping out information link destinations from an advertisement window 10,000: An example of displaying advertisements, emergency information, home information, etc. in a three-dimensional manner 12000: Three-dimensional window example, 12010 ... Window A, 12
020: Window B, 12030: Window C, 1
3000 ... 3D animation example that can change the viewpoint,
15000: An example of a system in which a channel can be switched by selecting a viewpoint.

────────────────────────────────────────────────── ─── Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI H04N 5/44 H04N 5/44 H 7/08 7/08 Z 7/081 (72) Inventor Akihiro Katsura Omika-cho, Hitachi City, Ibaraki Prefecture 7-1-1, Hitachi, Ltd., Hitachi Research Laboratory, Hitachi, Ltd. (72) Inventor Tetsuya Shimomura 7-1-1, Omika-cho, Hitachi, Ibaraki, Japan Hitachi, Ltd. Hitachi Research Laboratory (72) Inventor, Shin Yoshitaka Ibaraki 7-1-1, Omika-cho, Hitachi City, Hitachi, Ltd.Hitachi, Ltd.Hitachi Research Laboratory Co., Ltd. (72) Inventor Yasuhiro Nakatsuka 5-2-1, Josuihoncho, Kodaira-shi, Tokyo In-house Hitachi, Ltd.

Claims (18)

[Claims] 1. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device, and a display device, receives television broadcasts of a plurality of channels, A data television broadcast display device, wherein an image in which is attached to a three-dimensional object is displayed, the object is rotated or moved, and a channel is switched by moving and selecting a target channel to a channel selection portion. 2. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device, and a display device. Displaying an image in which is attached to a three-dimensional object, rotating or moving the object, and switching a channel by moving and selecting a desired channel to a channel selection portion. 3. The data television broadcast display device according to claim 1, wherein a channel operation of a user is performed by a remote controller. 4. The data television broadcast display method according to claim 2, wherein a channel operation of a user is performed by a remote controller. 5. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device, and a display device, wherein data broadcast information and advertisement information are converted into three-dimensional graphics. A data television broadcast display device, characterized in that the data television broadcast display device is linked by using the link. 6. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device, and a display device, wherein the data broadcast information and the advertisement information are converted into three-dimensional graphics. A method for displaying a data television broadcast characterized by using a link. 7. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device, and a display device. A data television broadcast display device characterized in that when there is special information indicating an advertisement, emergency information, or the like, it is superimposed and displayed on the display device. 8. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device, and a display device. A method for displaying a data television broadcast, wherein when there is special information indicating an advertisement, emergency information, or the like, the information is superimposed and displayed on the display device. 9. The data television broadcast display device according to claim 5, further comprising a device for receiving home information, wherein even if only the television broadcast display is received, when the home information is received, the display is superimposed on the display device. A data television broadcast display device. 10. The data television broadcast display device according to claim 6, further comprising a device for receiving home information, wherein even if only the television broadcast display is received, when the home information is received, the display is superimposed on the display device. A method for displaying a data television broadcast, comprising: 11. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device and a display device, wherein a plurality of windows are partially overlapped and one corner of the window is lifted. A data television broadcast display device, wherein a three-dimensional effect is given to a window and displayed. 12. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device, and a display device, wherein a plurality of windows are partially overlapped to raise one corner of the window. A data television broadcast display method, wherein a three-dimensional effect is given to a window and displayed. 13. The data television broadcast display device according to claim 11, wherein operations for a plurality of windows are performed by a remote controller. 14. The data television broadcast display method according to claim 12, wherein operations for a plurality of windows are performed by a remote controller. 15. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device, and a display device, wherein the same program is broadcast as a program viewed from a plurality of viewpoints. A data television broadcast display device characterized by displaying a current viewpoint and a selectable viewpoint on a window, and switching channels by selecting the viewpoint. 16. A data television broadcast display device comprising a data television broadcast receiving device, a television broadcast processing device, a data broadcast processing device, a graphics processing device, and a display device, wherein the same program is broadcast as a program viewed from a plurality of viewpoints. A data television broadcast display method characterized by displaying a currently viewed viewpoint and a selectable viewpoint on a window, and switching channels by selecting the viewpoint. 17. The data television broadcast display device according to claim 14, wherein a viewpoint selection operation is performed by a remote controller. 18. A data television broadcast display method according to claim 15, wherein a viewpoint selection operation is performed by a remote controller.