KR101620969B1 - Display apparatus and method for providing 3D image preview applied to the same and system for providing 3D Image - Google Patents

Abstract

A display device, a 3D image preview providing method applied thereto, and a 3D image providing system are provided. The display device includes: a video input unit for receiving a 3D image; A 3D image implementation unit for generating a left eye image and a right eye image of a plurality of formats corresponding to the input 3D image, respectively, when a user's specific operation is input; And a display unit for displaying the generated left-eye images of the plurality of formats and right-eye images of the generated plurality of formats on a screen alternately. Accordingly, the display apparatus can provide a preview screen including a 3D image of a plurality of formats for the input 3D image.

3D video, preview

Description

[0001] The present invention relates to a display device, a 3D image preview providing method, and a 3D image providing system,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device, a 3D preview image providing method, and a 3D image providing system applied thereto, and more particularly to a display device for outputting a 3D image in which a left eye image and a right eye image are alternately displayed, A 3D image preview providing method, and a 3D image providing system.

The 3D stereoscopic image technology has various applications such as information communication, broadcasting, medical education, training, military, game, animation, virtual reality, CAD and industrial technology, and the next generation 3D stereoscopic multimedia communication Based technology.

Generally, the three-dimensional sensation perceived by a person depends on the degree of thickness change of the lens depending on the position of the object to be observed, the angular difference between both eyes and the object, the difference in position and shape of the object on the left and right eyes, Time difference, and various psychological and memory effects.

Among them, binocular disparity, which occurs when two eyes of a person are located about 6 to 7 cm away from each other in the horizontal direction, is the most important factor of the three-dimensional feeling. In other words, the binocular parallax is used to look at the angular difference of the subject. Due to this difference, the images coming into each eye have different phases. When these two images are transmitted to the brain through the retina, It is possible to feel the original 3D stereoscopic image by fusing them exactly.

The 3D image display device is classified into a spectacle type using special glasses and a non-standard type using no special glasses. The spectrophotometer is a color filter system that separates images using a color filter having a complementary color relationship, a polarizing filter system that separates images of the left eye and the right eye using a light blocking effect by a combination of orthogonal polarizing elements, There is a shutter glass system which can sense a stereoscopic effect by alternately blocking the left and right eyes in response to a synchronizing signal for projecting a video signal on a screen.

The 3D image consists of the left eye image recognized in the left eye and the right eye image recognized in the right eye. And, the 3D image display device expresses the stereoscopic effect of the image using the parallax between the left eye image and the right eye image.

In addition, various types of formats exist in the 3D image. For example, a side-by-side method, a tom-bottom method, a 2D + depth method, a horizontal interleave method, a vertical interleave method, and a checker board method.

As described above, since there are various types of formats in the 3D image, in order for the 3D image to be displayed to the user, the left eye image and the right eye image should be generated in accordance with the format of the input 3D image. Conventionally, when a 3D image is input, a user has to manually select a 3D image format. Therefore, users who are not familiar with the format terminology of 3D image have difficulty in format setting.

therefore. When a 3D image is input to a display device, a user is requested to search for a format of a 3D image more easily and accurately.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a display device for providing a preview including a 3D image of a plurality of formats for an input 3D image and a method for providing a 3D image preview And a 3D image providing system.

According to an aspect of the present invention, there is provided a display apparatus including: a video input unit receiving a 3D image; A 3D image implementation unit for generating a left eye image and a right eye image of a plurality of formats corresponding to the input 3D image, respectively, when a user's specific operation is input; And a display unit for displaying the generated left-eye images of the plurality of formats and right-eye images of the generated plurality of formats on a screen alternately.

And a controller for analyzing the format of the input 3D image

Preferably, the display unit displays the 3D image to which the format analyzed by the controller is applied, from the 3D images to which the different format is applied.

The display unit may display names and information of 3D image formats corresponding to 3D images of the plurality of formats.

The display device may further include an operation unit for selecting one of the 3D images in the plurality of formats, and the display unit displays the 3D image selected through the operation unit on a large screen.

Preferably, the operation unit is any one of a remote control, a pointing device, a touch pad, and a touch screen.

The plurality of formats may include at least one of a left / right division method, a vertical division method, a 2D + DEPTH method, a horizontal interleave method, a vertical interleave method, and a checkerboard method.

According to another aspect of the present invention, there is provided a 3D image preview providing method comprising: inputting a 3D image; Generating a left eye image and a right eye image of a plurality of formats corresponding to the input 3D image, respectively, when a user's specific operation is input; And displaying the generated left-eye images of the plurality of formats and right-eye images of the generated plurality of formats on a screen alternately.

And analyzing the format of the input 3D image,

In the displaying step, it is preferable that a 3D image to which the format analyzed by the controller is applied is displayed separately from the 3D images to which the different format is applied.

Preferably, the displaying step displays names and information of the 3D image format corresponding to the 3D images of the plurality of formats.

The method may further include inputting one of the 3D images of the plurality of formats to be selected, wherein the displaying step displays the 3D image selected in the selecting step as a large screen.

Preferably, the input step is performed using any one of a remote controller, a pointing device, a touch pad, and a touch screen.

The plurality of formats may include at least one of a left / right division method, a vertical division method, a 2D + DEPTH method, a horizontal interleave method, a vertical interleave method, and a checkerboard method.

Meanwhile, the 3D image providing system according to an embodiment of the present invention generates a left eye image and a right eye image of a plurality of formats corresponding to the input 3D image, respectively, when the user's specific operation is input, A display device for displaying the left-eye images of the plurality of formats and the right-eye images of the plurality of formats in turn on a screen, and a display device for alternately inputting the generated plurality of left- And a shutter glass for alternately opening and closing the left eye glass and the right eye glass based on the synchronization signal output from the display device.

According to various embodiments of the present invention, a display device can provide a preview that includes 3D images of a plurality of formats for an incoming 3D image. Therefore, the user can check and find the format of the 3D image that is easier and easier to input.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a diagram illustrating a 3D (3-Dimension) TV 100 according to an embodiment of the present invention. As shown in FIG. 1, the 3D TV 100 can communicate with the 3D glasses 190.

The 3D TV 100 generates a left eye image and a right eye image alternately and displays the left eye image and the right eye image displayed on the 3D TV 100 alternately with the left eye and the right eye using the 3D glasses 190 So that 3D stereoscopic images can be viewed.

Specifically, the 3D TV 100 generates a left eye image and a right eye image, and alternately displays the generated left eye image and right eye image on the screen at regular time intervals.

Then, the 3D TV 100 generates a synchronization signal for the generated left and right eye images, and transmits the generated synchronization signals to the 3D glasses 190.

The 3D glasses 190 receive the synchronization signal transmitted from the 3D TV 100 and alternately open the left eye glass and the right eye glass in synchronization with the left eye image and the right eye image displayed on the 3D TV 100.

In this manner, the user can view the 3D image using the 3D TV 100 and the 3D glasses 190 of FIG.

2 is a block diagram showing a detailed configuration of a 3D TV 100 according to an embodiment of the present invention. 2, the 3D TV 100 includes a broadcast receiving unit 110, an image input unit 120, an A / V processing unit 130, a sound output unit 140, a display unit 150, a controller 160 A storage unit 170, an operation unit 180, and an eyeglass signal transmission and reception unit 195.

The broadcast receiving unit 110 receives and demodulates broadcasts from a broadcasting station or satellite by wire or wireless. Also, the broadcast receiving unit 110 receives a 3D image signal including 3D image data.

The image input unit 120 is connected to an external device and receives an image. In particular, the image input unit 120 can receive 3D image data from an external device. The image input unit 120 may interfere with an S-Video, a component, a composite, a D-Sub, a DVI, and an HDMI, for example.

Here, the 3D image data refers to data including 3D image information. The 3D image data includes left eye image data and right eye image data in one data frame region. The type of the 3D image data is classified according to the form including the left eye image data and the right eye image data.

Hereinafter, the format of the 3D image data will be described with reference to FIG. 3 is a diagram illustrating the types of 3D image data according to an exemplary embodiment of the present invention.

3D image data of the side by side method 310, the tom-bottom method 320, and the 2D + depth method 330 of FIG. 3 are divided into left eye image data and right eye image data by a split method, And 3D image data including right eye image data.

The left / right division method 310 is a form in which the left-eye image data and the right-eye image data are included in the left-data area and the right-data area of the frame data area divided into left and right, respectively. That is, as shown in FIG. 3, the 3D image data of the left and right division method 310 includes left and right image data in one frame data area, Right eye image data.

The upper / lower division method 320 is a form in which the left-eye image data and the right-eye image data are included in the upper-data area and the lower-data area of the frame data area divided into upper and lower parts, respectively. 3, one frame data area is divided into upper and lower parts in the 3D image data of the upper and lower division method 320, the left-eye image data is included in the upper-data area, Right eye image data is included.

The 3D image data of the 2D + depth method 330 includes 2D image data to be displayed on the screen and depth data representing depth information of each part of the 2D image data. That is, as shown in FIG. 3, one frame data area is divided left and right in 3D image data of the 2D + depth method 330, 2D image data is included in the left-data area, And depth data is included in the data. However, it is needless to say that one frame data area in the 3D image data of the 2D + depth method 330 may be divided into right and left, and may include two-dimensional image data and depth data.

The 3D image data of the horizontal interleaved method 340, the vertical interleaved method 350 and the checker board method 360 of FIG. 3 are interleaved by the interleave method, And 3D image data including right eye image data.

The horizontal interleave method 340 is a form in which left eye image data and right eye image data are alternately arranged in units of pixel rows. The vertical interleave method 350 is a form in which the left eye image data and the right eye image data are alternately arranged in units of pixel columns. The checkerboard method 360 is a form in which left eye image data and right eye image data are alternately arranged in units of pixels or square blocks including a plurality of pixels.

As described above, the 3D image data has a form including the left eye image data and the right eye image data in one frame data area, or a form including 2D image data and depth data. This is for realizing the transmission of the 3D image using the data format for transmitting the 2D image as it is.

2, the A / V processing unit 130 performs signal processing such as video decoding, video scaling, audio decoding, and the like on the video signal and the audio signal input from the broadcast receiving unit 110 and the video input unit 120, Perform GUI generation.

On the other hand, when the input video and audio signals are stored in the storage unit 170, the A / V processing unit 130 compresses the input video and audio to store the input audio and video in compressed form.

2, the A / V processing unit 130 includes a voice processing unit 132, an image processing unit 134, and a 3D image implementing unit 136.

The audio processing unit 132 performs signal processing such as audio decoding on the input audio signal. Then, the voice processing unit 132 outputs the processed voice signal to the voice output unit 140.

The image processing unit 134 performs signal processing such as video decoding and video scaling on the input image signal. When the 3D image data is input, the image processing unit 134 outputs the inputted 3D image data to the 3D image implementing unit 136. [

The 3D image implementing unit 136 generates a left eye image and a right eye image interpolated at a size of one screen using the input 3D image data. That is, the 3D image implementing unit 136 generates a left eye image and a right eye image to be displayed on the screen in order to implement a 3D stereoscopic image.

Specifically, the 3D image implementing unit 136 separates left eye image data and right eye image data from the input 3D image data. Since the left eye image data and the right eye image data are included together in one frame data, the separated left eye image data and right eye image data have image data corresponding to half of the entire screen size, respectively. Accordingly, the 3D image implementing unit 136 enlarges or interpolates the separated left eye image data and right eye image data to generate a left eye image and a right eye image to be displayed on a screen having a size of one screen. The 3D image implementing unit 136 outputs the generated left eye image and right eye image to the display unit 150 so that they are alternately displayed.

Meanwhile, in order to generate a preview screen including a plurality of formats for the input 3D image, the 3D image implementation unit 136 generates a left eye image and a right eye image of a plurality of formats for the input 3D image data. The left eye image and the right eye image of the generated 3D images of the plurality of formats are output to the display unit 150 so that they are alternately displayed on one screen.

If one of the 3D images of a plurality of formats is selected through the user's operation, the 3D image implementing unit 136 alternately outputs the left eye image and the right eye image corresponding to the selected format to the display unit 150.

The voice output unit 140 outputs the voice transmitted from the A / V processing unit 130 to a speaker or the like.

The display unit 150 outputs the image transmitted from the A / V processing unit 130 to be displayed on the screen. In particular, in the case of a 3D image, the display unit 150 alternately outputs the left eye image and the right eye image to the screen.

In addition, the display unit 150 separates the 3D image to which the format analyzed by the controller 160 is applied, from the 3D images to which the different format is applied, and outputs the 3D image.

Also, the display unit 150 may output the name and the information of the 3D image format corresponding respectively to the 3D images of the plurality of formats.

In addition, the display unit 150 alternately outputs the left eye image and the right eye image of the 3D image of the selected format to the large screen according to the user's selection inputted through the operation unit 180.

The storage unit 170 stores images received from the broadcast receiving unit 110 or the image input unit 120. [ The storage unit 170 may be implemented as a hard disk, a nonvolatile memory, or the like.

The operation unit 180 receives the user's operation and transmits the received operation to the control unit 160. The operation unit 180 may be implemented by a remote controller, a pointing device, a touch pad, a touch screen, or the like.

The eyeglass signal transmitting and receiving unit 195 transmits a clock signal for alternately opening the left eye glass and the right eye glass of the 3D glasses 190. [ The 3D glasses 190 alternately open the left eye glass and the right eye glass according to the received clock signal. In addition, the eyeglass signal transmitting / receiving unit 195 receives status information and the like from the 3D glasses 190.

The control unit 160 grasps a user command on the basis of the operation contents of the user transmitted from the operation unit 180, and controls the overall operation of the 3D TV 100 in accordance with the determined user command.

In addition, the controller 160 analyzes the format of the input 3D image data. Specifically, the control unit 160 analyzes the format of the 3D image input through the tag information included in the input 3D image data, compares the left eye image or the right eye image of the input 3D image, Analyze.

Hereinafter, a 3D image preview providing method in the 3D TV 100 according to an embodiment of the present invention will be described in detail with reference to FIGS. 4 to 6. FIG.

4 is a flowchart illustrating a method of providing a preview including a 3D image of a plurality of formats for an input 3D image, according to an embodiment of the present invention.

 The 3D TV 100 receives the 3D image through the broadcast receiving unit 110 or the image input unit 120 at step S410. While the 3D image is being output, the 3D TV 100 receives the preview generation command through the operation unit 180 (S420). When the 3D TV 100 receives the preview generation command, the 3D image implementation unit 136 generates a left eye image and a right eye image of a plurality of formats for the input 3D image (S430). At this time, the 3D image implementing unit 136 alternately outputs the generated plurality of left eye images and the plurality of right eye images to the display unit 150. [

The display unit 150 alternately displays the output of the plurality of left eye images and the plurality of right eye images (S440). The 3D TV 100 alternately displays a plurality of left eye images and a plurality of right eye images on one screen so that the 3D images of a plurality of formats can be displayed on a single screen in a preview format at step S450.

At this time, among the 3D images of the plurality of formats, the image that matches the format of the input 3D image is displayed separately from the image that does not match the format of the input 3D image. The 3D TV 100 can distinguish the input 3D image from the non-matching image and display the 3D image 100 more easily and comfortably.

5 is a flowchart illustrating a method for selecting a format of a 3D image input through 3D image preview according to an embodiment of the present invention.

Through the above-described process, the 3D TV 100 displays a preview of a 3D image of a plurality of formats (S510). The 3D TV 100 receives a user's selection through the operation unit 100 and determines whether one of a plurality of formats is selected (S520). If it is determined that the user's selection has been input through the operation unit 180 (S520-Y), one of a plurality of formats is selected according to the user's selection.

If one of the plurality of formats is selected according to the user's selection, only the 3D image of the selected format among the 3D images of the plurality of formats is displayed on the large screen and the remaining screen disappears.

Specifically, if one of the plurality of formats is selected by the user's operation, the 3D image implementing unit 138 generates only the left eye image and the right eye image of the selected format among the plurality of formats. The 3D image implementing unit 138 alternately outputs the generated left eye image and right eye image to the display unit 150. The display unit 150 alternately displays the left eye image and the right eye image generated by the 3D image implementing unit 138. Accordingly, the 3D image of the selected format is displayed on the display unit 150 as a 3D image of a large screen.

FIG. 6 is a diagram illustrating a process of previewing a 3D image in 3D TV 100 and selecting one of preview images according to an embodiment of the present invention. Referring to FIG.

The 3D image is input to the 3D TV 100 (610). For example, as shown in Fig. 6, the 3D image of the upper and lower division method is input to the 3D TV 100. [

When the 3D image is input to the 3D TV 100, as shown in FIG. 6, the 3D TV 100 generates and displays a 3D image of a plurality of formats through the process described above (620). For example, even when a 3D image of a vertical division method is input, a 3D image of a plurality of formats such as a left / right division method, a checkerboard method, a vertical interleave method, and a horizontal interleave method is generated and displayed. At this time, the 3D TV 100 analyzes the format of the input 3D image, and displays the 3D image of the analyzed format separately from other images (625). For example, when a 3D image of a top and bottom division method is input, the 3D TV 100 analyzes the format of the input 3D image by a top-down division method. Then, among the 3D images of a plurality of formats, the 3D image generated and displayed in the upper / lower division manner is displayed separately from the 3D image of the different format. By displaying in this way, the user can select the format of the 3D image to be inputted more easily and comfortably.

If a 3D image of one format is selected through the user's operation, the 3D TV 100 displays one of the 3D images of a plurality of formats in a large size (630). For example, when the user selects the displayed 3D image through the operation unit 180 in a vertically divided manner, the 3D TV 100 generates the 3D image displayed on the large screen in a split manner.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the invention as defined by the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram of a 3D TV according to an embodiment of the present invention; Fig.

2 is a block diagram showing a detailed configuration of a 3D TV according to an embodiment of the present invention.

FIG. 3 is a view showing a type of 3D image data according to an embodiment of the present invention; FIG.

FIG. 4 is a flowchart illustrating a method of providing a preview including a 3D image of a plurality of formats for an input 3D image, according to an embodiment of the present invention; FIG.

5 is a flowchart illustrating a method for selecting a format of a 3D image input through a 3D image preview according to an embodiment of the present invention,

FIG. 6 is a view illustrating a process of previewing a 3D image in a 3D TV and selecting one 3D image of a preview image, according to an embodiment of the present invention.

Claims (13)

A video input unit for receiving a 3D image; A 3D image implementation unit for generating a left eye image and a right eye image of a plurality of formats corresponding to the input 3D image, respectively, when a user's specific operation is input; A display unit for displaying the generated left-eye images of the plurality of formats and right-eye images of the generated plurality of formats on a screen, And a controller for analyzing the format of the input 3D image, The display unit includes: Wherein the display unit displays the 3D image to which the format analyzed by the controller is applied, from the 3D images to which the different format is applied, among the plurality of formats output. delete The method according to claim 1, The display unit includes: And displays names and information of the 3D image format corresponding to the 3D images of the plurality of formats. The method according to claim 1, The display device includes: And an operation unit for selecting one of the 3D images of the plurality of formats, The display unit includes: And displays the 3D image selected through the operation unit on a large screen. 5. The method of claim 4, Wherein, A remote controller, a pointing device, a touch pad, and a touch screen. The method according to claim 1, The plurality of formats include: A horizontal interleave method, a vertical interleave method, and a checkerboard method. The display device according to claim 1, Receiving a 3D image; Generating a left eye image and a right eye image of a plurality of formats corresponding to the input 3D image, respectively, when a user's specific operation is input; Displaying the generated left-eye images of the plurality of formats and right-eye images of the generated plurality of formats on a screen alternately, and And analyzing the format of the input 3D image, Wherein the displaying comprises: And displaying the 3D image to which the analyzed format is applied, from the 3D images to which the different format is applied. delete 8. The method of claim 7, Wherein the displaying comprises: Wherein the name and information of the 3D image format corresponding to the 3D images of the plurality of formats are displayed. 8. The method of claim 7, Further comprising inputting one of the 3D images of the plurality of formats to be selected, Wherein the displaying comprises: And displaying the 3D image selected in the selection step as a large screen. 11. The method of claim 10, Wherein the step of inputting comprises: A remote controller, a pointing device, a touch pad, and a touch screen. 8. The method of claim 7, The plurality of formats include: Wherein the at least one of the right and left division method, the vertical division method, the 2D + DEPTH method, the horizontal interleave method, the vertical interleave method, and the checkerboard method. When a specific operation of a user is input, a left eye image and a right eye image of a plurality of formats corresponding to the input 3D image are generated, and the left eye images of the generated plurality of formats and the right eye images A display device for displaying each of the images on an alternate screen; and And a shutter glass for alternately opening and closing the left eye glass and right eye glass based on the synchronization signal output from the display device so that the generated plurality of left eye images and the generated plurality of right eye images are alternately input In addition, The display device includes: A 3D image providing system for analyzing a format of the input 3D image and displaying a 3D image to which the analyzed format is applied, from among a plurality of outputted formats, separately from 3D images to which another format is applied.

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