KR20130120255A - Image display apparatus, and method for operating the same - Google Patents
Image display apparatus, and method for operating the same Download PDFInfo
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- KR20130120255A KR20130120255A KR1020120043363A KR20120043363A KR20130120255A KR 20130120255 A KR20130120255 A KR 20130120255A KR 1020120043363 A KR1020120043363 A KR 1020120043363A KR 20120043363 A KR20120043363 A KR 20120043363A KR 20130120255 A KR20130120255 A KR 20130120255A
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- viewer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/361—Reproducing mixed stereoscopic images; Reproducing mixed monoscopic and stereoscopic images, e.g. a stereoscopic image overlay window on a monoscopic image background
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
Abstract
The present invention relates to an image display apparatus and an operation method thereof. According to an embodiment of the present invention, an image display apparatus includes a display for displaying a plurality of viewpoint images, a lens unit disposed on a front surface of the display, and a mixture for displaying the 2D images and the 3D images together to separate the plurality of viewpoint images by directions; In the video display mode, when the first viewer is set to the 2D video display mode, the control to display the 2D video based on the location information of the first viewer, and when the second viewer is set to the 3D video display mode, And a controller configured to display the 3D image based on location information of a second viewer. Accordingly, it is possible to improve the user's ease of use when displaying a stereoscopic image by the autostereoscopic method.
Description
BACKGROUND OF THE
A video display device is a device having a function of displaying an image that a user can view. The user can view the broadcast through the video display device. A video display device displays a broadcast selected by a user among broadcast signals transmitted from a broadcast station on a display. Currently, broadcasting is changing from analog broadcasting to digital broadcasting around the world.
Digital broadcasting refers to broadcasting in which digital video and audio signals are transmitted. Digital broadcasting is more resistant to external noise than analog broadcasting, so it has less data loss, is advantageous for error correction, has a higher resolution, and provides a clearer picture. Also, unlike analog broadcasting, digital broadcasting is capable of bidirectional service.
It is an object of the present invention to provide an image display apparatus and an operation method thereof that can improve the usability of a user in stereoscopic image display by the non-eyeglass system.
Another object of the present invention is to provide an image display apparatus and a method of operating the same, which can display 2D video or 3D video according to the selection of a plurality of viewers when a plurality of viewers are watching together in the autostereoscopic method. Is in.
An image display apparatus according to an embodiment of the present invention for achieving the above object is a display for displaying a multi-view image, a lens unit disposed on the front of the display, and separating the multi-view image for each direction and 2D image and 3D In the mixed image display mode for displaying an image together, when the first viewer is set to the 2D image display mode, the display is controlled to display the 2D image based on the location information of the first viewer, and the second viewer displays the 3D image. When the mode is set to a mode, the controller may control to display the 3D image based on the location information of the second viewer.
In addition, the operation method of the image display device according to an embodiment of the present invention for achieving the above object, the step of entering a mixed image display mode for displaying a 2D image and a 3D image together, the image of the first viewer and the second viewer Receiving a selection input for a display mode; when the first viewer is selected as a 2D image display mode, displaying a 2D image to the first viewer by using the location information of the first viewer; and the second If the viewer is selected as the 3D image display mode, using the position information of the second viewer, displaying the 3D image to the second viewer.
According to an embodiment of the present invention, the 2D image or the 3D image can be displayed together according to the selection of each of the plurality of viewers, thereby improving the usability of the plurality of viewers.
In addition, even when the positions of a plurality of viewers are overlapped, stable 2D video or 3D video can be displayed by switching to the same video display mode or displaying a notification message.
1 is a view showing an appearance of an image display apparatus according to an embodiment of the present invention.
FIG. 2 is a diagram showing the lens unit of the video display device of FIG. 1 separated from the display.
3 is an internal block diagram of an image display apparatus according to an embodiment of the present invention.
4 is an internal block diagram of the control unit of FIG.
5 is a diagram showing a control method of the remote control apparatus of FIG.
Fig. 6 is an internal block diagram of the remote control device of Fig. 3; Fig.
FIG. 7 is a diagram illustrating an image formed by a left eye image and a right eye image.
8 is a view for explaining the depth of the 3D image according to the interval between the left eye image and the right eye image.
9 is a diagram referred to explain the principle of a stereoscopic image display apparatus of the non-eyeglass system.
10 to 14 are views referred to explain the principle of an image display apparatus including a plurality of view-point images.
15 is a flowchart illustrating an operation method in an image display apparatus according to an exemplary embodiment.
16 to 22 are views for explaining an operating method of the image display apparatus of FIG. 15.
23 is a flowchart illustrating a method of operating an image display apparatus according to an exemplary embodiment.
24 to 28 are diagrams for describing an operating method of the image display apparatus of FIG. 23.
Hereinafter, with reference to the drawings will be described the present invention in more detail.
The suffix "module" and " part "for components used in the following description are given merely for convenience of description, and do not give special significance or role in themselves. Accordingly, the terms "module" and "part" may be used interchangeably.
FIG. 1 is a block diagram showing an appearance of an image display apparatus according to an embodiment of the present invention, and FIG. 2 is a diagram showing a separate display of a lens unit and a display of the image display apparatus of FIG.
Referring to the drawings, an image display apparatus according to an embodiment of the present invention is an image display apparatus capable of displaying a stereoscopic image, that is, a 3D image. In the embodiment of the present invention, an image display apparatus capable of 3D-image display in a non-eyeglass system is exemplified.
To this end, the
The
The
The
On the other hand, when a plurality of viewers watch the 3D image, the second power is applied to the
The
3 is an internal block diagram of an image display apparatus according to an embodiment of the present invention.
3, an
The
The
For example, if the selected RF broadcast signal is a digital broadcast signal, it is converted into a digital IF signal (DIF). If the selected RF broadcast signal is an analog broadcast signal, it is converted into an analog baseband image or voice signal (CVBS / SIF). That is, the
The
Meanwhile, the
On the other hand, the
The
The
The stream signal output from the
The external
The external
The A / V input / output unit can receive video and audio signals from an external device. Meanwhile, the wireless communication unit can perform short-range wireless communication with other electronic devices.
The
The
In addition, the
Although the
The user
(Not shown), such as a power key, a channel key, a volume key, and a set value, from the
The
The video signal processed by the
The audio signal processed by the
Although not shown in FIG. 3, the
In addition, the
In addition, the
Meanwhile, the
Meanwhile, the
Such a 3D object may be processed to have a different depth than the image displayed on the
On the other hand, the
Although not shown in the drawing, a channel browsing processing unit for generating a channel signal or a thumbnail image corresponding to an external input signal may be further provided. The channel browsing processing unit receives the stream signal TS output from the
At this time, the thumbnail list may be displayed in a simple view mode displayed on a partial area in a state where a predetermined image is displayed on the
The
The
As described above, the
The
Also, the
The
The first power source may be applied to the first region of the lens unit corresponding to the 2D image region of the
As another example, a second power source may be applied to a second region of the lens portion corresponding to the 3D image region of the
On the other hand, the
Meanwhile, the
The
The photographing
The
The
Meanwhile, the
Meanwhile, the video display device described in the present specification can be applied to a TV set, a monitor, a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a PDA (personal digital assistant), a portable multimedia player (PMP) And the like.
Meanwhile, a block diagram of the
3, the
The
4 is an internal block diagram of the control unit of FIG.
The
The
The
The video decoder 225 decodes the demultiplexed video signal and the scaler 235 performs scaling so that the resolution of the decoded video signal can be output from the
The video decoder 225 may include a decoder of various standards.
On the other hand, the image signal decoded by the
For example, when an external video signal input from the
Meanwhile, the image signal decoded by the
Here, the format of the 3D video signal is a side-by-side format in which the left-eye image signal L and the right-eye image signal R are arranged in left and right directions, a top- An interlaced format in which the left and right eye image signals and the right eye image signal are mixed line by line, a checker box for mixing the left eye image signal and the right eye image signal box by box, Format, and the like.
The
In addition, the
In addition, the
The
The
The
The
A frame rate converter (FRC) 350 can convert the frame rate of an input image. On the other hand, the
The
The
In the present specification, a 3D video signal means a 3D object. Examples of the 3D object include a picuture in picture (PIP) image (still image or moving picture), an EPG indicating broadcasting program information, Icons, texts, objects in images, people, backgrounds, web screens (newspapers, magazines, etc.).
On the other hand, the
Meanwhile, the
Although not shown in the drawing, it is also possible that a 3D processor (not shown) for 3-dimensional effect signal processing is further disposed after the
Meanwhile, the audio processing unit (not shown) in the
In addition, the audio processing unit (not shown) in the
The data processing unit (not shown) in the
4 shows that the signals from the
Meanwhile, the block diagram of the
In particular, the
5 is a diagram showing a control method of the remote control apparatus of FIG.
5A illustrates that the
The user can move or rotate the
5B illustrates that when the user moves the
Information on the motion of the
5C illustrates a case in which the user moves the
On the other hand, when the specific button in the
On the other hand, the moving speed and moving direction of the
Fig. 6 is an internal block diagram of the remote control device of Fig. 3; Fig.
The
The
In this embodiment, the
In the present embodiment, the
Also, the
The
The
For example, the
The
For example, the
The
The
The
The user
The user
The coordinate
The transmission signal of the
As another example, the
As another example, the coordinate
FIG. 7 is a view for explaining how images are formed by a left eye image and a right eye image, and FIG. 8 is a view for explaining depths of a 3D image according to an interval between a left eye image and a right eye image.
First, referring to FIG. 7, a plurality of images or a plurality of
First, the
Next, since the second object 525 includes the second left eye image 521, L and the second right eye image 523, R and overlaps with each other and is displayed on the
Next, the
According to the above-described method, the user recognizes that the
At this time, it is recognized that the
Meanwhile, in the embodiment of the present invention, the distance between the
8, the interval a between the
In this way, when the 3D image is exemplified as the left eye image and the right eye image, the positions recognized as images are different depending on the interval between the left eye image and the right eye image. Accordingly, by adjusting the display intervals of the left eye image and the right eye image, the depth of the 3D image or the 3D object composed of the left eye image and the right eye image can be adjusted.
Fig. 9 is a diagram referred to explain the principle of a stereoscopic image display apparatus of a non-eyeglass system.
As described above, the stereoscopic image display apparatus of the non-eyeglass system includes a lenticular system and a parallax system, and a system using a microlens array. Hereinafter, the lenticular method and the parallax method will be described in detail. Hereinafter, it will be exemplified that the viewpoint image is composed of the left-eye viewpoint image and the right-eye viewpoint image, but this is not for convenience of description.
9 (a) is a view showing a lenticular system using a lenticular lens. Referring to FIG. 9A, a block 720 (L) constituting a left eye view image and blocks 710 (R) constituting a right eye view image may be alternately arranged on a
In the lenticular method, the
Accordingly, in the
9 (b) is a diagram showing a parallax system using a slit array. Referring to FIG. 9B, similarly to FIG. 9A, a pixel 720 (L) constituting a left eye view image and pixels 710 (R) constituting a right eye view image are alternately displayed on a
10 to 14 are diagrams for explaining the principle of an image display device including a plurality of viewpoint images.
Fig. 10 is a diagram showing a non-eyeglass
Some pixels constituting the three viewpoint images may be rearranged and displayed on the
The three viewpoint images may be images of the
11A shows an image taken in the left direction with the
The
FIG. 10 shows one pattern displayed by rearranging the pixels constituting the three view-point images. However, the present invention is not limited thereto, and may be rearranged and displayed in various patterns according to the
In FIG. 10, the
Accordingly, in the
That is, the
Therefore, when the
At this time, the
Also, when the
On the other hand, as shown in FIG. 10, when the pixels of the plural viewpoint images are rearranged only in the horizontal direction, the horizontal resolution is reduced to 1 / n (the number of viewpoint images) as compared with the 2D image. For example, the horizontal resolution of the stereoscopic image (3D image) of FIG. 10 is reduced to 1/3 of that of the 2D image. On the other hand, the vertical resolution has the same resolution as the
In the case where the number of viewpoint images per direction is large (the reason why the number of viewpoint images should be increased will be described later with reference to FIG. 14), only the horizontal resolution is reduced as compared with the vertical resolution, There is a problem that it may be degraded.
13, the
13, the red subpixels constituting the sixth view image are displayed for every five pixels in the horizontal and vertical directions, and the three-dimensional image (3D image) The horizontal and vertical resolutions can be reduced to 1/5 of the directional multi-view images before rearrangement. Therefore, it is possible to balance the degradation in resolution compared to a method in which only the conventional horizontal resolution is reduced to 1/25.
14 is a diagram for explaining a sweet zone and a dead zone appearing on the front face of the video display device.
When the stereoscopic image is viewed using the
There is an area where the viewer can view an optimal image, which can be defined by an optimal viewing distance (OVD) and a sweet zone (1020). First, the optimum viewing distance D can be determined by the distance between the left and right eyes, the pitch of the lens portion, and the focal length of the lens.
The
On the other hand, in the case where the viewer is located in the
The size of the
On the other hand, when there are a plurality of viewers in a video display device that provides 3D video, some viewers may want to watch 2D video.
However, in the video display device shown in FIG. 13, as shown in FIG. 18, the first viewer a located in the nineteenth to twenty-fourth view area sequentially views the nineteenth to twenty-fourth view images from the left eye and the right eye. The second viewer (b) positioned in the twelfth to seventeenth view areas may sequentially recognize the twelfth to seventeenth view images in the left eye and the right eye.
Therefore, since the 3D image is displayed to both the first viewer (a) and the second viewer (b), when only the first viewer (a) of the plurality of viewers wants to watch the 2D image, the 2D viewer is only 2D. There is a problem in that an image cannot be displayed.
To improve this point, an embodiment of the present invention provides an image display apparatus capable of displaying a 2D image and a 3D image together. Hereinafter, the image display device will be described in detail.
15 is a flowchart illustrating a method of operating the image display apparatus according to an exemplary embodiment, and FIGS. 16 to 22 are views for explaining the method of operating the image display apparatus of FIG. 15.
Referring to FIG. 15, the
For example, as illustrated in FIG. 16, an image including an
Here, the 2D video display mode displays 2D video to all viewers, the 3D video display mode displays 3D video to all viewers, and the mixed video display mode allows a plurality of viewers to display either 2D video display or 3D video display. When selected, the 2D image or the 3D image is displayed to the plurality of viewers according to the selected display mode.
When the
When entering the mixed video display mode, the
For example, as illustrated in FIG. 17A,
The plurality of viewers select the
Alternatively, the
When the image display mode for the first viewer is determined as the 2D image display mode through the selection as described above, the first viewer is selected as the 2D image display mode together with the
Referring to FIG. 17B, in order to determine the image display mode for the second viewer, the
When the image display mode for the second viewer is determined, the
When the video display mode is determined for each of the plurality of viewers, as shown in FIG. 17C, an
Also, the photographing
The
In order to display a 2D image to the first viewer, the
In addition, the
For example, as illustrated in FIG. 19, all of the subpixels constituting the 19th to 24th viewpoint images recognized by the left eye and the right eye of the first viewer are all
When a plurality of viewpoint images are displayed as shown in FIG. 19, as shown in FIG. 18, the first viewer a does not sequentially recognize the 19th to 24th viewpoint images in the left eye and the right eye, as shown in FIG. 20. Only the 19th viewpoint image is recognized in the left eye and the right eye, so that the 2D image can be viewed.
In addition, the sub-pixels constituting the twelfth to seventeenth view images recognized in the left eye and the right eye of the second viewer b are displayed in the same manner as the arrangement shown in FIG. 13, whereby the second viewer b is connected to the first viewer. The 3D image may be viewed by independently recognizing the 12th to 17th viewpoint images in the left eye and the right eye independently.
In FIG. 19 and FIG. 20, the subpixels constituting the nineteenth to twenty-fourth viewpoint images are represented as subpixels 1310 constituting the nineteenth viewpoint image. For example, the control unit (A) is not limited thereto. In
In addition, the 2D image may be recognized by the same arrangement of the viewpoint image recognized by the left eye of the first viewer a and the arrangement of the viewpoint image recognized by the right eye.
For example, as illustrated in FIG. 21, the
When the
Accordingly, the left eye and the right eye of the first viewer (a) recognize the same image, so that the 2D video can be viewed, and the left eye and the right eye of the second viewer (b) recognize the different viewpoint images, so that the 3D video can be viewed. Become.
FIG. 23 is a flowchart illustrating a method of operating the image display apparatus according to an exemplary embodiment, and FIGS. 24 to 28 are views referred to for describing the method of operating the image display apparatus of FIG. 23.
Referring to FIG. 24, when the positions of the first viewer (a) selected in the 2D image display mode and the second viewer (b) selected in the 3D image display mode overlap at least partially, the first viewer (a) and the second viewer. (b) There is a problem that cannot display 2D image and 3D image to each.
For example, if the 19th view image is recognized in the left and right eyes of the first viewer to display the 2D image to the first viewer a, the second viewer b strongly recognizes only the 19th view image in the left eye. In the right eye, the 15th to 17th viewpoint images are sequentially recognized, and the 3D images are overlapped or cause dizziness, so that the 3D images cannot be stably viewed.
Therefore, when the positions of the first viewer (a) selected in the 2D video display mode and the second viewer (b) selected in the 3D video display mode at least partially overlap, the first viewer (a) or the second viewer (b) In order to improve the problem of not providing a stable image, in the embodiment of the present invention, both the first viewer and the second viewer to watch any one of the 2D video or 3D video, or display a notification message to inform the viewer Provide a display device. Hereinafter, the video display device will be described in detail.
Referring to FIG. 23, when entering the mixed image display mode (S1410), the photographing
The
When the video display modes of the first viewer and the second viewer are different, the
If the positions of the first viewer and the second viewer do not overlap, the
When the positions of the first viewer and the second viewer overlap, the video display mode of the first viewer and the second viewer is equally switched to either the 2D video display mode or the 3D video display mode, or a notification message is displayed (S1470). ). In this case, the notification message may be displayed on the
25 and 26, when the positions of the first viewer and the second viewer are at least partially overlapped, the image display mode of the first viewer (a) and the second viewer (b) may be a 2D video display mode or a 3D video display. You can switch to either mode.
As illustrated in FIG. 25, when the positions of the first viewer a and the second viewer b partially overlap each other, the
For example, as described with reference to FIG. 19, the fifteenth to twenty-fourth viewpoint images may be configured to recognize the nineteenth viewpoint image at a position where the fifteenth to twenty-fourth viewpoint images are recognized. The subpixels may be converted into subpixels constituting the nineteenth viewpoint image and displayed.
In the display as described above, only the 19th viewpoint image, which is a single viewpoint image, is recognized in the left and right eyes of the first viewer (a) and the second viewer (b), and the first viewer (a) and the second viewer (b). ) Both will watch 2D video. However, the single view image is not limited to the 19th view image, and the subpixels constituting the 15th to 24th view images are converted into subpixels constituting any one of the 15th to 24th view images. Can be.
Alternatively, as shown in FIG. 26, the video display mode of the first viewer (a) who is watching in the 2D video display mode is switched to the 3D video display mode, so that both the first viewer (a) and the second viewer (b) are 3D. In order to view an image, a plurality of viewpoint images, for example, the fifteenth to twenty-fourth viewpoint images, may be displayed so as to recognize the left and right eyes of the first viewer (a) and the second viewer (b).
27 and 28 are diagrams illustrating screens on which a notification message is displayed, according to an exemplary embodiment.
Referring to FIG. 27, the
In addition, the
Referring to FIG. 28, the
In this case, when the positions of the first viewer and the second viewer overlap by the movement of any one of the
The image display apparatus and the operation method thereof according to the present invention are not limited to the configuration and method of the embodiments described above, but the embodiments may be applied to all or some of the embodiments May be selectively combined.
Meanwhile, the operation method of the image display apparatus of the present invention can be implemented as a code that can be read by a processor on a recording medium readable by a processor included in the image display apparatus. The processor-readable recording medium includes all kinds of recording apparatuses in which data that can be read by the processor is stored. Examples of the recording medium that can be read by the processor include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may also be implemented in the form of a carrier wave such as transmission over the Internet . In addition, the processor-readable recording medium may be distributed over network-connected computer systems so that code readable by the processor in a distributed fashion can be stored and executed.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the present invention.
Claims (21)
A lens unit disposed on a front surface of the display, the lens unit separating the plurality of viewpoint images according to directions; And
In the mixed image display mode for displaying a 2D image and a 3D image together, when the first viewer is set to the 2D image display mode, the display is controlled to display the 2D image based on the position information of the first viewer.
And a controller configured to display the 3D image based on the position information of the second viewer when the second viewer is set to the 3D image display mode.
The control unit,
Control to display the 2D image on the first area of the display to be recognizable only to the first viewer and not to the second viewer,
And displaying the 3D image on the second area of the display so that the second viewer can recognize the second viewer but not the first viewer.
And the control unit controls to enter the mixed image display mode when there is a selection input for the object indicating the mixed image display mode.
Further comprising a spatial remote controller for outputting a pointing signal corresponding to the movement,
And the controller is configured to set the 2D video display mode for the first viewer and to the 3D video display mode for the second viewer based on the pointing signal.
The control unit,
And a first object indicating that the first viewer is selected as the 2D image display mode and a second object indicating that the second viewer is selected as the 3D image display mode.
The control unit,
And controlling the first object to be displayed together with the image representing the first viewer and the second object to be displayed together with the image representing the second viewer.
And a capturing unit configured to perform tracking on the first viewer and the second viewer, and obtain location information of the first viewer and the second viewer.
The control unit,
The plurality of viewpoint images recognized by the left eye and the right eye of the first viewer may be displayed as the same viewpoint image, or the viewpoint images recognized by the left eye and the right eye of the first viewer may have the same arrangement. Image display device.
The control unit,
And displaying different viewpoint images to the left and right eyes of the second viewer.
The control unit,
When the positions of the first viewer and the second viewer overlap at least partially, the video display modes of the first viewer and the second viewer are configured to be the same so that the video display modes of the first viewer and the second viewer are the same. And a 2D video display mode and a 3D video display mode.
The control unit,
And displaying a notification message requesting movement if the positions of the first viewer and the second viewer overlap at least partially.
The lens unit includes a lenticular lens,
And the lenticular lens is inclined at a predetermined angle with the display.
Entering a mixed image display mode for displaying a 2D image and a 3D image together;
Receiving a selection input for an image display mode of a first viewer and a second viewer;
Displaying the 2D image to the first viewer by using the location information of the first viewer when the first viewer is selected as the 2D image display mode; And
And displaying the 3D image to the second viewer by using the location information of the second viewer when the second viewer is selected as the 3D image display mode.
And displaying an object indicating the mixed image display mode, and when there is a selection input for the object, entering the mixed image display mode.
Displaying a first object indicating that the first viewer has selected the 2D image display mode; And
And displaying a second object indicating that the second viewer has selected the 3D image display mode.
And the first object is displayed together with the image representing the first viewer, and the second object is displayed together with the image representing the second viewer.
And receiving location information of the first viewer and the second viewer through tracking the first viewer and the second viewer.
The displaying of the 2D image to the first viewer may include displaying a plurality of viewpoint images recognized to the left eye and the right eye of the first viewer as the same viewpoint image or recognizing the viewpoint image and the right eye recognized to the left eye of the first viewer. And displaying the viewpoint images having the same arrangement.
The displaying of the 3D image to the second viewer may include displaying different view images of the left eye and the right eye of the second viewer.
When the positions of the first viewer and the second viewer overlap at least partially, the video display modes of the first viewer and the second viewer are configured to be the same so that the video display modes of the first viewer and the second viewer are the same. And switching to one of a 2D image display mode and a 3D image display mode.
And displaying a notification message for requesting movement when the positions of the first viewer and the second viewer overlap at least partially.
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KR102101771B1 (en) * | 2018-12-12 | 2020-04-17 | 서울과학기술대학교 산학협력단 | Device and method for providing contents |
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KR102101771B1 (en) * | 2018-12-12 | 2020-04-17 | 서울과학기술대학교 산학협력단 | Device and method for providing contents |
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