KR20120140426A - Apparatus and method for transmitting three-dimensional image, apparatus and method for receiving three-dimensional image, and apparatus for processing three-dimensional image - Google Patents

Abstract

PURPOSE: A device for transmitting a 3D image, a method thereof, a device for receiving a 3D image, a method thereof, and a 3D image processing device thereof are provided to combined images in order by performing the synchronization, deinterlace, and sampling of a right eye image and a left eye image with a PTS(Presentation Time Stamp) and accurately combining the images when transmitting the images. CONSTITUTION: A first HDMI(High Definition Multimedia Interface) source inserts decoded left eye image data into a video data section of first transmission data(S130). The first HDMI source inserts first PTS information of the decoded left eye image data into a data sum section of the first transmission data(S140). The first HDMI source transmits the first transmission data through a first cable(S150). A second HDMI source inserts decoded right eye image data into a video data section of second transmission data(S170). The second HDMI source inserts second PTS information of the decoded left eye image data into a data sum section of the second transmission data(S180). The HDMI source transmits the second transmission data through a second cable(S190). [Reference numerals] (AA) Start; (BB) End; (S100) Receiving 3D image data; (S110) Demultiplexing 3D image data into left view image data and right view image data; (S120) Decoding the left view image data; (S130) Inserting the decoded left view image data into a video data section among first TMDS transmission data; (S140) Inserting PTS data into a data sum section among the first TMDS transmission data; (S150) Transmitting the first TMDS transmission data through a first cable; (S160) Decoding the right eye view image; (S170) Inserting the decoded right view image data into the video data section among second TMDS transmission data; (S180) Inserting PTS data into the data sum section among the second TMDS transmission data; (S190) Transmitting the second TMDS transmission data through a second cable

Description

Apparatus and method for transmitting three-dimensional image, apparatus and method for receiving three-dimensional image, and apparatus for processing three-dimensional image}

The present invention relates to a three-dimensional image transmission device and method, a three-dimensional image receiving device and method, and a three-dimensional image processing device, and more particularly, to process a stereoscopic image in a binocular stereoscopic technique or a multieye stereoscopic image. It relates to a three-dimensional image transmission apparatus and method, a three-dimensional image receiving apparatus and method, and a three-dimensional image processing apparatus.

In the case of commercialized 3D content and 3D broadcasting, a method using binocular disparity is mainly used. The binocular parallax refers to a positional difference that exists horizontally as much as the distance between two eyes when a person looks at a single subject using both eyes and the image seen by the left eye and the image seen by the right eye. Therefore, if the same image can be input to both eyes of the real image visible to the human eye, the image can be three-dimensionally felt. Accordingly, an image may be obtained by photographing a real subject with a binocular camera, or in the case of a computer graphic (CG) subject, the image may be generated by mapping in the form of a binocular camera, and the generated image may be displayed to both eyes of a user to provide a three-dimensional effect. .

In recent years, a digital video signal, i.e., uncompressed (baseband), for a television receiver, a projector, and other displays from a DVD (Digital Versatile Disc) recorder, a set-top box, or an AV source (Audio Visual Source) is used. HDMI is widely used as a communication interface for transmitting a video signal (hereinafter referred to as "video data") and a digital audio signal (hereinafter referred to as "audio data") accompanying the video signal at high speed.

As for HDMI, a TMDS (Transition Minimized Differential Signaling) channel that transfers image data and audio data in one direction from an HDMI source to an HDMI sink at high speed, and bidirectionally between an HDMI source and an HDMI sink. CEC line (Consumer Electronics Control Line) and the like for performing communication.

The technical problem to be achieved by the present invention is a three-dimensional image transmission apparatus and method that can accurately combine the left eye image and the right eye image and display in the correct order when decoding each of the three-dimensional image by using two decoders, three-dimensional image reception An apparatus and method, and a three-dimensional image processing apparatus.

Another technical problem to be achieved by the present invention is a 3D image transmission device and method capable of accurately combining the left eye image and the right eye image and displaying the images in the correct order when the restored left eye image and the right eye image are individually transmitted. To provide a receiving apparatus and method, and a three-dimensional image processing apparatus.

According to an aspect of the present invention, a three-dimensional image transmission apparatus according to the present invention includes a receiver for receiving stereoscopic image data, a first decoder for decoding left eye view image data of the received stereoscopic image data, and the first transmission data. Inserting the decoded left eye view image data into a video data section, inserting first PTS (Presentation Time Stamp) information of the decoded left eye view image data into a data island section of the first transmission data, and transmitting the first transmission A first HDMI source for transmitting data to a Transition Minimized Differential Signaling (TMDS) channel of a High-Definition Multimedia Interface (HDMI), a second decoder for decoding right eye view image data of the received stereoscopic image data, and second transmission data Inserting the decoded right eye view image data into a video data section of the second data; Inserting second PTS (Presentation Time Stamp) information of the decoded right eye view image data in an island section, and transmitting the second transmission data through a Transition Minimized Differential Signaling (TMDS) channel of a high-definition multimedia interface (HDMI). It may include a second HDMI source.

The first PTS information may be included in an auxiliary video information (AVI) infoframe of the data island section.

The first HDMI source may transmit the AVI InforFrame once per frame of the left eye view image data.

The first HDMI source may transmit the AVI InforFrame once every two frames of the left eye view image data. Here, the first PTS information may include PTS information for each of the two frames.

The first PTS information may be information indicating a PTS of a frame of left eye view image data included in the first transmission data.

In accordance with another aspect of the present invention, there is provided a method of transmitting a 3D image according to the present invention, the method comprising: receiving stereoscopic image data, decoding left eye view image data of the received stereoscopic image data, and video of the first transmission data. Inserting the decoded left eye view image data into a data section, inserting first PTS (Presentation Time Stamp) information of the decoded left eye view image data into a data island section of the first transmission data, the first Transmitting transmission data to a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI); decoding right eye view image data of the received stereoscopic image data; Inserting the decoded right eye view image data, and a data island of the second transmission data Inserting second PTS (Presentation Time Stamp) information of the decoded right eye view image data in a section; and transmitting the second transmission data to a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). It may include a step.

The first PTS information may be included in an auxiliary video information (AVI) infoframe of the data island section.

The AVI InforFrame may be transmitted once per frame of the left eye view image data.

The AVI InforFrame may be transmitted once per two frames of the left eye view image data. Here, the first PTS information may include PTS information for each of the two frames.

The first PTS information may be information indicating a PTS of a frame of left eye view image data included in the first transmission data.

In order to achieve the above technical problem, the 3D image receiving apparatus according to the present invention receives first transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI), A first eye extracts left eye view image data from a video data section of the received first transmission data, and extracts first PTS (Presentation Time Stamp) information of the left eye view image data from a data island section of the first transmission data. Receives second transmission data transmitted through an HDMI sink and a Transition Minimized Differential Signaling (TMDS) channel of an HDMI (High-Definition Multimedia Interface), and extracts right eye view image data from a video data section of the received second transmission data. Second PTS (Presentation Time Stamp) information of the right eye view image data in a data island section of the second transmission data. A second HDMI sink configured to extract a second image; and a 3D formatter configured to sample the extracted left eye view image data and the extracted right eye view image data according to the first PTS information and the second PTS information into a stereoscopic image output format. can do.

The 3D formatter may sample the frame of the left eye view image data and the frame of the right eye view image data having the same second PTS information as the first PTS information of the frame in a 3D image output format.

The 3D image receiving apparatus may further include a first deinterlacer for deinterlacing the extracted left eye view image data, and a second deinterlacer for deinterlacing the extracted right eye view image data.

The first deinterlacer may buffer the left eye view image data, and the second deinterlacer may buffer the right eye view image data.

The 3D image receiving apparatus may further include a controller configured to control the buffering of the first deinterlacer and the buffering of the second deinterlacer based on the first PTS information and the second PTS information.

The control unit may include a frame of right eye view image data having second PTS information identical to first PTS information of a frame of left eye view image data output from the first deinterlacer to the three-dimensional formatter. You can control the output to the formatter.

In accordance with another aspect of the present invention, there is provided a method for receiving a 3D image according to the present invention, the method comprising: receiving first transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI); Extracting left eye view image data from a video data section of the received first transmission data; extracting first presentation time stamp (PTS) information of the left eye view image data from a data island section of the first transmission data; Receiving the second transmission data transmitted through the Transition Minimized Differential Signaling (TMDS) channel of the High-Definition Multimedia Interface (HDMI), Extracting the right eye view image data from the video data section of the received second transmission data And a second PTS of the right eye view image data in a data island section of the second transmission data. Extracting time stamp information and sampling the extracted left eye view image data and the extracted right eye view image data according to the extracted first PTS information and the extracted second PTS information into a stereoscopic image output format. It may include.

The 3D image receiving method may further include deinterlacing the extracted left eye view image data and deinterlacing the extracted right eye view image data.

The 3D image receiving method may further include buffering the extracted left eye view image data based on the first PTS information and the second PTS information, and based on the first PTS information and the second PTS information. The method may further include buffering the extracted right eye view image data.

According to another aspect of the present invention, there is provided a three-dimensional image processing apparatus according to the present invention, a receiver for receiving stereoscopic image data, a first decoder for decoding left eye view image data of the received stereoscopic image data, the first Inserting the decoded left eye view image data into a video data section of transmission data, inserting first PTS (Presentation Time Stamp) information of the decoded left eye view image data into a data island section of the first transmission data, and A first HDMI source for transmitting first transmission data to a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI); a second decoder for decoding right eye view image data of the received stereoscopic image data; Inserting the decoded right eye view image data into a video data section of the transmission data, and Inserting second PTS (Presentation Time Stamp) information of the decoded right eye view image data in the data island section, and transmitting the second transmission data through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). Receives first transmission data transmitted through a second HDMI source, Transition Minimized Differential Signaling (TMDS) channel of High-Definition Multimedia Interface (HDMI), and receives a left eye view image in a video data section of the received first transmission data. TMDS (Transition) of a first HDMI sink and a high-definition multimedia interface (HDMI) for extracting data and extracting first presentation time stamp (PTS) information of the left eye view image data in a data island section of the first transmission data Receives second transmission data transmitted through a Minimized Differential Signaling channel and performs video data interval of the received second transmission data. A second HDMI sink for extracting right eye view image data and extracting second PTS (Presentation Time Stamp) information of the right eye view image data in a data island section of the second transmission data, and the extracted first PTS information; And a three-dimensional formatter configured to sample the extracted left eye view image data and the extracted right eye view image data in a stereoscopic image output format according to the extracted second PTS information.

According to a three-dimensional image transmission apparatus and method, a three-dimensional image receiving apparatus and method, and a three-dimensional image processing apparatus, two decoders are used because the left eye image and the right eye image are synchronously deinterlaced and sampled using a PTS (Presentation Time Stamp). When the 3D image is decoded, the left eye image and the right eye image can be accurately combined and displayed in the correct order, and the left eye image and the right eye image are correctly combined when the restored left eye image and the right eye image are transmitted separately. Can be displayed in the correct order.

1 is a block diagram of an apparatus for transmitting a 3D image according to an exemplary embodiment.
2 is a block diagram of an apparatus for receiving a 3D image according to an exemplary embodiment.
3 is a block diagram of an apparatus for receiving a 3D image according to another exemplary embodiment.
4 is a block diagram of a 3D image processing apparatus according to an exemplary embodiment.
5 illustrates a structure of TMDS transmission data according to an embodiment.
6 illustrates a structure of an auxiliary video information (AVI) infoframe packet header, according to an embodiment.
7 illustrates a structure of AVI InfoFrame packet contents according to an embodiment.
8 illustrates a structure of a field for PTS (Presentation Time Stamp) data in an AVI InfoFrame packet, according to an embodiment.
9 illustrates a stereoscopic image output format displayed in a polarized manner.
10 illustrates a stereoscopic image output format displayed in a shutter glass manner.
11 is a flowchart illustrating a 3D image transmission method according to an embodiment.
12 is a flowchart of a 3D image receiving method according to an embodiment.
13 is a flowchart of a 3D image processing method, according to an exemplary embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. At this time, the configuration and operation of the present invention shown in the drawings and described by it will be described as at least one embodiment, by which the technical spirit of the present invention and its core configuration and operation is not limited.

Although the terms used in the present invention have been selected in consideration of the functions of the present invention, it is possible to use general terms that are currently widely used, but this may vary depending on the intention or custom of a person skilled in the art or the emergence of new technology. Also, in certain cases, there may be a term selected arbitrarily by the applicant, in which case the meaning thereof will be described in detail in the description of the corresponding invention. Therefore, it is to be understood that the term used in the present invention should be defined based on the meaning of the term rather than the name of the term, and on the contents of the present invention throughout.

1 is a block diagram of an apparatus for transmitting a 3D image according to an exemplary embodiment.

Referring to FIG. 1, an image data transmission apparatus 100 according to an embodiment may include a receiver 110, a demultiplexer 120, a first decoder 130, a second decoder 140, and a first HDMI (High). Definition Multimedia Interface) may include a source 150 and a second HDMI source 160.

The receiver 110 receives stereoscopic image data. The stereoscopic image data may be a stereo viewpoint image or a multiview image. That is, the stereoscopic image data may include at least one left eye view image data and at least one right eye view image data. In addition, the stereoscopic image data may have a single video stream format and a multi video stream format.

Single video stream formats may include side by side format, top and bottom format, checker board format, frame sequential format, and interlaced format. Can be.

The multi video stream format may include full left / right 410, full left / half right 420, and 2D video / depth. . In the multi-video stream format, one of the left eye view image and the right eye view image may be transmitted to the reference screen, and the rest may be transmitted to the additional screen. Here, the reference picture may be encoded at about 12 Mbps of MPEG2, and the additional picture may be encoded at about 6 Mbps of H.264. In addition, the reference picture and the additional picture may be encoded, multiplexed, and transmitted with the same Program Clock Reference (PCR) and Program Time Stamp (PTS).

The receiver 110 may include a tuner, a demodulator, a mobile communication unit, a network interface unit, and an external signal receiver.

The demultiplexer 120 demultiplexes the stereoscopic image data received by the receiver 110 into left eye view image data and right eye view image data.

The first decoder 130 decodes left eye view image data demultiplexed by the demultiplexer 120. In addition, the first decoder 130 may extract the PTS of the left eye view image data and output the extracted PTS to the first HDMI source 150. Here, the first decoder 130 may extract the PTS of the frame for each frame of the decoded left eye view image data. In addition, the first decoder 130 may output the extracted PTS to the first HDMI source 150 as it is, and the first decoder 130 may process the extracted PTS and output the processed PTS to the first HDMI source 150. By the above processing method, the first decoder 130 may remove a part of the upper bits of the extracted PTS.

The second decoder 140 decodes the right eye view image data demultiplexed by the demultiplexer 120. In addition, the second decoder 140 may extract the PTS of the right eye view image data and output the estimated PTS to the second HDMI source 160. Here, the second decoder 140 may extract the PTS of the frame for each frame of the decoded right eye view image data. In addition, the second decoder 140 may output the extracted PTS to the second HDMI source 160 as it is, and the second decoder 140 may process the extracted PTS and output the processed PTS to the second HDMI source 160. By the above processing method, the second decoder 140 may remove a part of the upper bits of the extracted PTS.

The first HDMI source 150 transmits first transmission data having a data structure of a format that can be transmitted through a Transition Minimized Differential Signaling (TMDS) channel of a high-definition multimedia interface (HDMI). The first transmission data may include a video data period, a data island period, and a control period.

The first HDMI source 150 inserts left eye view image data decoded by the first decoder 130 into a video data section of the first transmission data, and decodes the left eye view image data decoded in a data island section of the first transmission data. First PTS (Presentation Time Stamp) information may be inserted.

The second HDMI source 160 transmits second transmission data having a data structure of a format that can be transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). The second transmission data may include a video data period, a data island period, and a control period.

The second HDMI source 160 inserts the right eye view image data decoded by the second decoder 140 in the video data section of the second transmission data, and decodes the right eye view image data decoded in the data island section of the second transmission data. Second PTS (Presentation Time Stamp) information may be inserted.

2 is a block diagram of an apparatus for receiving a 3D image according to an exemplary embodiment.

2, the image data receiving apparatus 200 according to an embodiment may include a first HDMI sink 210, a second HDMI sink 220, a first deinterlacer 230, a second deinterlacer 240, and 3D. (tree-Dimensional) It may include a three-dimensional (3D) formatter 250, an image interface unit 260 and a display 270.

The first HDMI sink 210 receives first transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). Here, the first transmission data may be transmitted by the first HDMI source 150 illustrated in FIG. 1.

The first HDMI sink 210 extracts left eye view image data from a video data section of the received first transmission data, and first PTS of the left eye view image data in a data island section of the first transmission data. Stamp) information can be extracted.

The second HDMI sink 220 may receive second transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). Here, the second transmission data may be transmitted by the second HDMI source 160 illustrated in FIG. 2.

The second HDMI sink 220 extracts right eye view image data from a video data section of the received second transmission data, and second PTS of the right eye view image data in a data island section of the second transmission data. Stamp) information can be extracted.

The first deinterlacer 230 may deinterlace the left eye view image data output by the first HDMI sink 210. Also, the first deinterlacer 230 may buffer the left eye view image data output by the first HDMI sink 210.

The second deinterlacer 240 may deinterlace the right eye view image data output by the second HDMI sink 220. Also, the second deinterlacer 240 may buffer the right eye view image data output by the second HDMI sink 220.

The 3D formatter 250 samples the left eye view image data and the right eye view image data into a stereoscopic image output format. The left eye view image data may be left eye view image data extracted by the first HDMI sink 210, and the right eye view image data may be right eye view image data extracted by the second HDMI sink 220. In addition, the stereoscopic image output format is a format for the display 270 to display the stereoscopic image.

The 3D formatter 250 outputs the stereoscopic image output format of the left eye view image data and the right eye view image data according to the first PTS information extracted by the first HDMI sink 210 and the second PTS information extracted by the first HDMI sink 220. Can be sampled with For example, the 3D formatter 250 may sample a frame of the left eye view image data and a frame of the right eye view image data having the same second PTS information as the first PTS information of the frame in a 3D image output format. That is, the 3D formatter 250 may generate a frame having the stereoscopic image output format by using the frame of the left eye view image and the frame of the right eye view image.

The 3D formatter 250 may control the output of the first deinterlacer and the second deinterlacer based on the first PTS information extracted by the first HDMI sink 210 and the second PTS information extracted by the first HDMI sink 220. have. When the first PTS information among the first PTS information and the second PTS information is small, the 3D formatter 250 includes a frame of the right eye view image data having the same second PTS as the first PTS information. Wait until output from the server 220). When the frame of the right eye view image data is output from the second HDMI sink 220, the 3D formatter 250 may display the frame of the left eye view image data having the first PTS information and the second PTS information. A frame of right eye view image data may be output.

In addition, the 3D formatter 250 performs buffering of the first deinterlacer and buffering of the second deinterlacer based on the first PTS information extracted by the first HDMI sink 210 and the second PTS information extracted by the first HDMI sink 220. Can be controlled. When the first PTS information among the first PTS information and the second PTS information is small, the 3D formatter 250 includes a frame of the right eye view image data having the same second PTS as the first PTS information. The left eye view image data and the right eye view image data are buffered until outputted from the image. When the frame of the right eye view image data is output from the second HDMI sink 220, the 3D formatter 250 may display the frame of the left eye view image data having the first PTS information and the second PTS information. Frames of the right eye view image data having the right eye may be extracted from the first deinterlacer 230 and the second deinterlacer 240, respectively.

The image interface unit 260 may output the image frame output by the 3D formatter 250 to the display 270. The image interface unit 680 may be an LVDS output unit (Low Voltage Differential Signaling Tx). In addition, the image frame output by the 3D formatter 250 may be a frame having a stereoscopic image output format.

The display 270 receives the image data by the image interface unit 260 and displays the received image data. The image data may be stereoscopic image data. The display 270 may display a stereoscopic image in one of shuttered glass, patterned retarder type, parallax barrier, and lenticular methods.

3 is a block diagram of an apparatus for receiving a 3D image according to another exemplary embodiment.

Referring to FIG. 3, the image data receiving apparatus 300 according to another embodiment may include a first HDMI sink 310, a second HDMI sink 320, a controller 330, a first deinterlacer 340, and a second deinterlacer. And a 350, a 3D formatter 360, an image interface unit 370, and a display 380.

The first HDMI sink 310, the second HDMI sink 320, the first deinterlacer 340, the second deinterlacer 350, the 3D formatter 360, the image interface unit 370, and the display 380 are respectively illustrated. 2, the first HDMI sink 210, the second HDMI sink 220, the first deinterlacer 230, the second deinterlacer 240, the 3D formatter 250, the image interface unit 260, and the display ( 270). Accordingly, the first HDMI sink 310, the second HDMI sink 320, the first deinterlacer 340, the second deinterlacer 350, the 3D formatter 360, the image interface unit 370, and the display 380 A detailed description of the first HDMI sink 210, the second HDMI sink 220, the first deinterlacer 230, the second deinterlacer 240, and the tree-dimensional three-dimensional formatter 250 described above with reference to FIG. 2 is provided. The descriptions of the video interface unit 260 and the display 270 will be replaced by the following description.

The controller 330 may perform some functions of the 3D formatter 250 described above with reference to FIG. 2.

The controller 330 may control the output of the first deinterlacer and the second deinterlacer based on the first PTS information extracted by the first HDMI sink 310 and the second PTS information extracted by the first HDMI sink 320. When the first PTS information among the first PTS information and the second PTS information is small, the controller 330 may have the frame of the right eye view image data having the same second PTS as the first PTS information. The left eye view image data and the right eye view image data are not input to the 3D formatter 360 until they are output from the control unit. When the frame of the right eye view image data is output from the second HDMI sink 320, the controller 330 may have a frame of the left eye view image data having the first PTS information and the right eye having the second PTS information. The frame of the viewpoint image data is controlled to be output to the 3D formatter 360.

The controller 330 may control the buffering of the first deinterlacer and the buffering of the second deinterlacer based on the first PTS information extracted by the first HDMI sink 310 and the second PTS information extracted by the first HDMI sink 320. Can be. When the first PTS information among the first PTS information and the second PTS information is small, the controller 330 may have the frame of the right eye view image data having the same second PTS as the first PTS information. The left eye view image data and the right eye view image data are controlled to be buffered until they are output. When the frame of the right eye view image data is output from the second HDMI sink 320, the controller 330 may have a frame of the left eye view image data having the first PTS information and the right eye having the second PTS information. The frame of the viewpoint image data is controlled to be output to the 3D formatter 360.

4 is a block diagram of a 3D image processing apparatus according to an exemplary embodiment.

Referring to FIG. 4, the 3D image processing apparatus 400 according to an exemplary embodiment may include a receiver 410, a demultiplexer 420, a controller 430, a first decoder 440, and a second decoder 445. , First HDMI source 450, second HDMI source 455, first HDMI sink 460. It may include a second HDMI sink 465, a first deinterlacer 470, a second deinterlacer 475, a 3D 3D formatter 480, an image interface unit 485, and a display 490.

The 3D image processing apparatus 400 is a device in which the image data transmitting apparatus 100 illustrated in FIG. 1 and the image data receiving apparatus 300 illustrated in FIG. 3 are combined into one. In addition, the 3D image processing apparatus 400 may be a personal computer system such as a desktop, a laptop, a tablet, or a handheld computer. In addition, the 3D image processing apparatus 400 may be a mobile terminal such as a mobile phone, a smart phone, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation device, or the like. It may be a home appliance.

The receiver 410 receives stereoscopic image data. The stereoscopic image data may be a stereo viewpoint image or a multiview image. That is, the stereoscopic image data may include at least one left eye view image data and at least one right eye view image data. In addition, the stereoscopic image data may have a single video stream format and a multi video stream format.

Single video stream formats may include side by side format, top and bottom format, checker board format, frame sequential format, and interlaced format. Can be.

The multi video stream format may include full left / right 410, full left / half right 420, and 2D video / depth. . In the multi-video stream format, one of the left eye view image and the right eye view image may be transmitted to the reference screen, and the rest may be transmitted to the additional screen. Here, the reference picture may be encoded at about 12 Mbps of MPEG2, and the additional picture may be encoded at about 6 Mbps of H.264. In addition, the reference picture and the additional picture may be encoded, multiplexed, and transmitted with the same Program Clock Reference (PCR) and Program Time Stamp (PTS).

The receiver 410 may include a tuner unit, a demodulator, a mobile communication unit, a network interface unit, and an external signal receiver.

The demultiplexer 420 demultiplexes the stereoscopic image data received by the receiver 410 into left eye view image data and right eye view image data.

The first decoder 440 decodes left eye view image data demultiplexed by the demultiplexer 420. Also, the first decoder 440 may extract the PTS of the left eye view image data and output the extracted PTS to the first HDMI source 450. Here, the first decoder 440 may extract the PTS of the frame for each frame of the decoded left eye view image data. In addition, the first decoder 440 may output the extracted PTS to the first HDMI source 450 as it is, and the first decoder 440 may process the extracted PTS and output the processed PTS to the first HDMI source 450. By the above processing method, the first decoder 440 may remove a part of the upper bits of the extracted PTS.

The second decoder 445 decodes the right eye view image data demultiplexed by the demultiplexer 420. In addition, the second decoder 445 may extract the PTS of the right eye view image data and output the estimated PTS to the second HDMI source 445. Here, the second decoder 445 may extract the PTS of the frame for each frame of the decoded right eye view image data. In addition, the second decoder 445 may output the extracted PTS to the second HDMI source 445 as it is, and the second decoder 445 may process the extracted PTS and output the processed PTS to the second HDMI source 445. By the above processing method, the first decoder 445 may remove a part of the upper bits of the extracted PTS.

The first HDMI source 450 transmits first transmission data having a data structure of a format that can be transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). The first transmission data may include a video data period, a data island period, and a control period.

The first HDMI source 450 inserts left eye view image data decoded by the first decoder 440 into a video data section of the first transmission data, and decodes the left eye view image data decoded in a data island section of the first transmission data. First PTS (Presentation Time Stamp) information may be inserted.

The second HDMI source 445 transmits second transmission data having a data structure of a format that can be transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). The second transmission data may include a video data period, a data island period, and a control period.

The second HDMI source 450 inserts the right eye view image data decoded by the second decoder 445 into the video data section of the second transmission data, and decodes the right eye view image data decoded in the data island section of the second transmission data. Second PTS (Presentation Time Stamp) information may be inserted.

The first HDMI sink 460 receives first transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI).

The first HDMI sink 460 extracts left eye view image data from a video data section of the received first transmission data, and first PTS of the left eye view image data in a data island section of the first transmission data. Stamp) information can be extracted.

The second HDMI sink 465 may receive second transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI).

The second HDMI sink 465 extracts right eye view image data from a video data section of the received second transmission data, and second PTS of the right eye view image data in a data island section of the second transmission data. Stamp) information can be extracted.

The first deinterlacer 470 may deinterlace the left eye view image data output by the first HDMI sink 460. In addition, the first deinterlacer 470 may buffer left eye view image data output by the first HDMI sink 460.

The second deinterlacer 475 may deinterlace the right eye view image data output by the second HDMI sink 465. In addition, the second deinterlacer 475 may buffer the right eye view image data output by the second HDMI sink 465.

The 3D formatter 480 samples left eye view image data and right eye view image data into a stereoscopic image output format. The left eye view image data may be left eye view image data extracted by the first HDMI sink 460, and the right eye view image data may be right eye view image data extracted by the second HDMI sink 465. Also, the stereoscopic image output format is a format for the display 490 to display the stereoscopic image.

The 3D formatter 480 may output a left eye view image data and a right eye view image data according to the first PTS information extracted by the first HDMI sink 460 and the second PTS information extracted by the first HDMI sink 465. Can be sampled with For example, the 3D formatter 480 may sample a frame of the left eye view image data and a frame of the right eye view image data having the same second PTS information as the first PTS information of the frame in a 3D image output format. That is, the 3D formatter 480 may generate a frame having the stereoscopic image output format by using the frame of the left eye view image and the frame of the right eye view image.

The controller 430 may control the output of the first deinterlacer and the second deinterlacer based on the first PTS information extracted by the first HDMI sink 460 and the second PTS information extracted by the second HDMI sink 465. When the first PTS information among the first PTS information and the second PTS information is small, the controller 430 may display the frame of the right eye view image data having the same second PTS as the first PTS information. The left eye view image data and the right eye view image data are not input to the 3D formatter 480 until they are output from the control unit. When the frame of the right eye view image data is output from the second HDMI sink 465, the control unit 430 may include a frame of the left eye view image data having the first PTS information and the right eye having the second PTS information. The frame of the viewpoint image data is controlled to be output to the 3D formatter 480.

The controller 430 may control the buffering of the first deinterlacer and the buffering of the second deinterlacer based on the first PTS information extracted by the first HDMI sink 460 and the second PTS information extracted by the first HDMI sink 465. Can be. When the first PTS information among the first PTS information and the second PTS information is small, the controller 430 may display the frame of the right eye view image data having the same second PTS as the first PTS information. The left eye view image data and the right eye view image data are controlled to be buffered until they are output. When the frame of the right eye view image data is output from the second HDMI sink 465, the control unit 430 may include a frame of the left eye view image data having the first PTS information and the right eye having the second PTS information. The frame of the viewpoint image data is controlled to be output to the 3D formatter 480.

The image interface unit 485 may output the image frame output by the 3D formatter 480 to the display 490. The image interface unit 680 may be an LVDS output unit (Low Voltage Differential Signaling Tx). In addition, the image frame output by the 3D formatter 480 may be a frame having a stereoscopic image output format.

The display 490 receives the image data by the image interface unit 485 and displays the received image data. The image data may be stereoscopic image data. The display 490 may display a stereoscopic image by any one of a shuttered glass, a patterned retarder type, a parallax barrier method, and a lenticular method.

5 illustrates a structure of TMDS transmission data according to an embodiment.

Fig. 5 shows an example of a transmission section (period) in which various transmission data are transmitted on a TMDS channel of HDMI. Fig. 5 shows a section of various types of transmission data in the case where an image of 720x480 pixels having a horizontal x vertical pixel is transmitted in a TMDS channel.

In the video field in which the transmission data 500 is transmitted, three of the video data period, the data island period, and the control period, depending on the type of the transmission data, are included in the video field. There are kinds of sections.

Here, the video field section is a section from one vertical sync signal (VSYNC) pulse to the next vertical sync signal (VSYNC) pulse, a horizontal blanking period (530), a vertical blanking period (vertical blanking) (540). ) And a video field section, which is divided into an active video section 550 which is a section except for the horizontal blanking period 530 and the vertical blanking period 540.

The video data section 550 is allocated to the active video section. In this video data section, data of active pixels of 720 pixels x 480 line portions constituting uncompressed one-screen image data are transmitted.

The data island section and the control section are allocated to the horizontal blanking period and the vertical blanking period. Auxiliary data is transmitted in this data island section and the control section.

That is, the data island period is allocated to a part of the horizontal blanking period and the vertical blanking period. In this data island section, it is data which is not related to control among auxiliary data, for example, the packet of audio data, etc. are transmitted. In addition, in the data island period, PTS information of the decoded left eye view image and PTS information of the decoded right eye view image may be transmitted. In this case, the PTS information may be a PTS, and the PTS may be processed information.

The 3D image transmission apparatus 100 and the 3D image processing apparatus 400 may insert the PTS (Presentation Time Stamp) of the decoded left eye view image and the PTS of the decoded right eye view image into the data island section.

In addition, the 3D image receiving apparatus 200, the 3D image receiving apparatus 300, and the 3D image processing apparatus 500 may include a PTS (Presentation Time Stamp) and a decoded right eye viewpoint of a left eye view image decoded in a data island section. PTS of the image can be extracted.

The data island interval may transmit an InfoFrame packet, and the InfoFrame packet may include PTS information of the decoded left eye view image and PTS information of the decoded right eye view image. The infoframe packet may include a vendor-specific infoframe (VENDOR-SPECIFIC InfoFrame), an AVI (Auxiliary Video Information) infoframe (InfoFrame), a source product descriptor infoframe (SOURCE PRODUCT DESCRIPTOR InfoFrame), an audio infoframe (AUDIO InfoFrame '), It consists of MPEG SOURCE InfoFrames.

The control section is allocated to different parts of the horizontal blanking period and the vertical blanking period. In this control section, it is data related to control among auxiliary data, for example, a vertical synchronizing signal, a horizontal synchronizing signal, a control packet, etc. are transmitted.

Here, in the present HDMI, the frequency of the pixel clock transmitted through the TMDS clock channel is, for example, 165 MHz, and in this case, the transmission rate of the data island section is about 500 Mbps.

The transmission data 500 is transmitted in synchronization with the horizontal synchronizing signal (HSYNC) pulse 510 and the vertical synchronizing signal (VSYNC) pulse 520. The transmission data 500 consists of a total of 525 horizontal lines, each of which includes a total of 858 pixels. The video data section of the transmission data 500 is an active video region, and the active video region includes 480 active lines 550, and each active line includes 720 active pixels 560.

45 horizontal lines 540 excluding active video lines of the transmission data 500 correspond to a vertical blanking period, and 138 pixels 530 except active pixels for each horizontal line correspond to a horizontal blanking period.

6 illustrates a structure of an auxiliary video information (AVI) infoframe packet header, according to an embodiment.

Referring to FIG. 6, the auxiliary video information (AVI) infoframe packet header 600 includes packet type information in a header byte (HB) 0. Here, the packet type information is information indicating a data island packet type. The packet type of the AVI InfoFrame is Ox82, and Ox82 is included in HB0 as packet type information. In addition, HB0, HB1, and HB2 mean the first byte, the second byte, and the third byte of the header, respectively.

The AVI InfoFrame 600 includes version information in HB1. The version information here indicates the version of the AVI InfoFrame.

The AVI InfoFrame 600 includes size information of the AVI InfoFrame 600 in HB3.

7 illustrates a structure of AVI InfoFrame packet contents according to an embodiment.

Referring to FIG. 7, the 3D image transmission apparatus 100 and the 3D image processing apparatus 400 may include PTS (Presentation Time Stamp) of the decoded left eye view image and PTS information of the decoded right eye view image. Can be inserted at 700.

In addition, the 3D image receiving apparatus 200, the 3D image receiving apparatus 300, and the 3D image processing apparatus 500 may include a PTS (Presentation Time Stamp) of a left eye view image decoded from the AVI InfoFrame packet content 700. PTS information of the decoded right eye view image may be extracted.

The AVI InfoFrame packet content 700 may include PTS information in Packet Byte (PB) 14 to PB27.

8 illustrates a structure of a field for PTS (Presentation Time Stamp) data in an AVI InfoFrame packet, according to an embodiment.

The PTS field may be located in PB14 to PB27 of the AVI InfoFrame packet content 700. The PTS field may be allocated 4 bytes as in the PTS field 810 of FIG. 8 (a), and 8 bytes may be allocated as in the PTS field 820 of 8 (b). The PTS field may include PTS information. Here, the PTS information is PTS information of an image frame transmitted in the video data section. The image frame may be a left eye view image frame or a right eye view image frame. The PTS information may be a PTS of an image frame, and may be information processed from the PTS of an image frame.

The PTS field 810 may include PTS information of one image frame, and the PTS field 820 may include PTS information of two image frames. That is, the area 821 and the area 821 may include PTS information of an image frame, respectively. Regions 821 and 821 of the PTS field 820 may include PTS information of the two image frames when the AVI InforFrame packet is transmitted once per two image frames.

9 illustrates a stereoscopic image output format displayed in a polarized manner.

Referring to FIG. 9, the 3D formatter 250 may sample left eye view image data and right eye view image data into an image frame 900. The image frame 900 has a stereoscopic image output format displayed in a polarized manner. Left eye view image data and right eye view image data may be alternately located on each line of the image frame 900. That is, when the left eye view image data is located at the line 901, the right eye view image data is positioned at the line 902, the left eye view image data is positioned at the line 903, and the right eye view image data is positioned at the line 904. Located.

10 illustrates a stereoscopic image output format displayed in a shutter glass manner.

Referring to FIG. 10, in the shutter glass method, the 3D formatter 250 may sample left eye view image data and right eye view image data into stereoscopic image data shown in FIG. 10. That is, FIG. 10 arranges the left eye view image data and the right eye view image data such that the left eye view image data L and the right eye view image data R are sequentially displayed alternately in each input frame. In the stereoscopic image data shown in FIG. 10, the first frame L1, the second frame R1, the eleventh frame L6, and the twelfth frame R6 are present from left to right. L1 and R1 are left eye view image frames and right eye view image frames having the same PTS, respectively.

11 is a flowchart illustrating a 3D image transmission method according to an embodiment.

Referring to FIG. 11, the receiver 110 receives stereoscopic image data (S100). The stereoscopic image data may include left eye view image data and right eye view image data. The stereoscopic image data may be transmitted in a single video stream format and a multi video stream format.

The demultiplexer 120 demultiplexes stereoscopic image data into left eye view image data and right eye view image data (S110).

The first decoder 130 decodes the left eye view image data demultiplexed by the demultiplexer 120 (S120).

The first HDMI source 150 inserts left eye view image data decoded by the first decoder 130 into a video data section of the first transmission data (S130). Here, the first transmission data may have a structure of the transmission data 500 shown in FIG. 5.

The first HDMI source 150 inserts first PTS (Presentation Time Stamp) information of the left eye view image data decoded by the first decoder 130 in the data island section of the first transmission data (S140). The first PTS information may be included in an auxiliary video information (AVI) infoframe of the data island section. The AVI InfoFrame may have a structure of the header 600 shown in FIG. 6 and the content 700 shown in FIG. 7. In addition, the AVI InfoFrame may include a PTS field shown in FIG. 8 (a) or a PTS field shown in FIG. 8 (b).

The first HDMI source 150 transmits the first transmission data through a first cable (S150). Here, the first HDMI source 150 may transmit the first transmission data through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI).

The second decoder 140 decodes the right eye view image data demultiplexed by the demultiplexer 120 (S160).

The second HDMI source 160 inserts right eye view image data decoded by the second decoder 140 in the video data section of the second transmission data (S170). Here, the second transmission data may have a structure of the transmission data 500 shown in FIG. 5.

The second HDMI source 160 inserts second PTS (Presentation Time Stamp) information of the right eye view image data in the data island section of the second transmission data (S180). The second PTS information may be included in an auxiliary video information (AVI) infoframe of the data island section. The AVI InfoFrame may have a structure of the header 600 shown in FIG. 6 and the content 700 shown in FIG. 7. In addition, the AVI InfoFrame may include a PTS field shown in FIG. 8 (a) or a PTS field shown in FIG. 8 (b).

The second HDMI source 160 transmits the second transmission data through the second cable (S190). Here, the second HDMI source 160 may transmit the second transmission data through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI).

12 is a flowchart of a 3D image receiving method according to an embodiment.

Referring to FIG. 12, the first HDMI sink 210 receives first transmission data through a first cable (S200). Here, the first transmission data may be transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). In addition, the first transmission data may have a structure of the transmission data 500 shown in FIG. 5.

The first HDMI sink 210 extracts left eye view image data from the video data section of the received first transmission data (S205). The extracted left eye view image data may be decoded.

The first HDMI sink 210 extracts first PTS (Presentation Time Stamp) information of the left eye view image data in a data island section of the first transmission data (S210). The first PTS information may be included in an auxiliary video information (AVI) infoframe of the data island section. The AVI InfoFrame may have a structure of the header 600 shown in FIG. 6 and the content 700 shown in FIG. 7. In addition, the AVI InfoFrame may include a PTS field shown in FIG. 8 (a) or a PTS field shown in FIG. 8 (b).

The first deinterlacer 230 buffers left eye view image data output by the first HDMI sink 210 (S215). The left eye view image data may be buffered based on the first PTS information and the second PTS information.

The second HDMI sink 220 receives the second transmission data through the second cable (S220). Here, the second transmission data may be transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). In addition, the second transmission data may have a structure of the transmission data 500 shown in FIG. 5.

The second HDMI sink 220 extracts right eye view image data from the video data section of the received second transmission data (S225). The extracted right eye view image data may be decoded.

The second HDMI sink 220 extracts second PTS (Presentation Time Stamp) information of the right eye view image data in the data island section of the second transmission data (S230). The second PTS information may be included in an auxiliary video information (AVI) infoframe of the data island section. The AVI InfoFrame may have a structure of the header 600 shown in FIG. 6 and the content 700 shown in FIG. 7. In addition, the AVI InfoFrame may include a PTS field shown in FIG. 8 (a) or a PTS field shown in FIG. 8 (b).

The second deinterlacer 240 buffers right eye view image data output from the second HDMI sink 220 (S235). The right eye view image data may be buffered based on the first PTS information and the second PTS information.

The first deinterlacer 230 deinterlaces the buffered left eye view image data (S240).

The second deinterlacer 240 deinterlaces the buffered right eye view image data (S245). Herein, the controller 330 may control the frame of the deinterlaced right eye view image data based on the first PTS information and the second PTS information to have the same PTS as the PTS of the frame of the left eye view image data deinterlaced in operation S240. .

The 3D formatter 250 samples the deinterfaced left eye view image data and the right eye view image data into a stereoscopic image output format (S250). The controller 330 may control the output of the first deinterlacer 230 and the second deinterlacer 240 such that the PTS of the frame of the sampled left eye view image data and the PTS of the frame of the sampled right eye view image data are the same. .

In the display 270, the 3D formatter 250 displays a stereoscopic image (S255).

13 is a flowchart of a 3D image processing method, according to an exemplary embodiment.

Referring to FIG. 13, the receiver 410 receives stereoscopic image data (S301). The stereoscopic image data may include left eye view image data and right eye view image data. The stereoscopic image data may be transmitted in a single video stream format and a multi video stream format.

The demultiplexer 420 demultiplexes the stereoscopic image data into the left eye view image data and the right eye view image data (S302).

The first decoder 440 decodes left eye view image data demultiplexed by the demultiplexer 120 (S303).

The first HDMI source 450 inserts left eye view image data decoded by the first decoder 130 into a video data section of the first transmission data (S304). Here, the first transmission data may have a structure of the transmission data 500 shown in FIG. 5.

The first HDMI source 450 inserts first PTS (Presentation Time Stamp) information of the left eye view image data decoded by the first decoder 440 into a data island section of the first transmission data (S305). The first PTS information may be included in an auxiliary video information (AVI) infoframe of the data island section. The AVI InfoFrame may have a structure of the header 600 shown in FIG. 6 and the content 700 shown in FIG. 7. In addition, the AVI InfoFrame may include a PTS field shown in FIG. 8 (a) or a PTS field shown in FIG. 8 (b).

The first HDMI source 450 transmits the first transmission data through a first cable (S306). Herein, the first HDMI source 450 may transmit the first transmission data through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI).

The first HDMI sink 460 receives first transmission data through the first cable (S307).

The first HDMI sink 460 extracts left eye view image data from a video data section of the received first transmission data (S308).

The first HDMI sink 460 extracts first PTS (Presentation Time Stamp) information of the left eye view image data in a data island section of the first transmission data (S309).

The first deinterlacer 470 buffers left eye view image data output from the first HDMI sink 460 (S310). The left eye view image data may be buffered based on the first PTS information and the second PTS information.

The second decoder 445 decodes the right eye view image data demultiplexed by the demultiplexer 120 (S311).

The second HDMI source 455 inserts right eye view image data decoded by the second decoder 445 into a video data section of the second transmission data (S312). Here, the second transmission data may have a structure of the transmission data 500 shown in FIG. 5.

The second HDMI source 455 inserts second PTS (Presentation Time Stamp) information of the right eye view image data in the data island section of the second transmission data (S313). The second PTS information may be included in an auxiliary video information (AVI) infoframe of the data island section. The AVI InfoFrame may have a structure of the header 600 shown in FIG. 6 and the content 700 shown in FIG. 7. In addition, the AVI InfoFrame may include a PTS field shown in FIG. 8 (a) or a PTS field shown in FIG. 8 (b).

The second HDMI source 455 transmits the second transmission data through the second cable (S314). Here, the second HDMI source 455 may transmit the second transmission data through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI).

The second HDMI sink 465 receives second transmission data through the second cable (S315).

The second HDMI sink 465 extracts right eye view image data from the video data section of the received second transmission data (S316). The extracted right eye view image data may be decoded.

The second HDMI sink 465 extracts second PTS (Presentation Time Stamp) information of the right eye view image data in the data island section of the second transmission data (S317).

The second deinterlacer 475 buffers the right eye view image data output by the second HDMI sink 465 (S318). The right eye view image data may be buffered based on the first PTS information and the second PTS information.

The first deinterlacer 470 deinterlaces the buffered left eye view image data (S319).

The second deinterlacer 475 deinterlaces the buffered right eye view image data (S320). Herein, the controller 430 may control the frame of the deinterlaced right eye view image data to have the same PTS as the PTS of the frame of the deinterlaced left eye view image data in step S319.

The 3D formatter 480 samples the deinterfaced left eye view image data and the right eye view image data into a stereoscopic image output format (S321). The controller 430 may control the output of the first deinterlacer 470 and the second deinterlacer 470 such that the PTS of the frame of the sampled left eye view image data and the PTS of the frame of the sampled right eye view image data are the same. .

In the display 490, the 3D formatter 480 displays a stereoscopic image (S322).

The present invention can also be embodied as computer-readable codes on a computer-readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer apparatus is stored. Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may be implemented in the form of a carrier wave (for example, transmission via the Internet) . The computer-readable recording medium may also be distributed to networked computer devices so that computer readable code can be stored and executed in a distributed 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 taken by way of limitation in the embodiment in which said invention is directed. 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 scope of the appended claims.

Claims (22)

A receiver for receiving stereoscopic image data;
A first decoder for decoding left eye view image data of the received stereoscopic image data;
Inserting the decoded left eye view image data into a video data section of first transmission data, and inserting first PTS (Presentation Time Stamp) information of the decoded left eye view image data into a data island section of the first transmission data; A first HDMI source for transmitting the first transmission data to a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI);
A second decoder for decoding right eye view image data of the received stereoscopic image data; And
Inserting the decoded right eye view image data into a video data section of second transmission data, and inserting second PTS (Presentation Time Stamp) information of the decoded right eye view image data into a data island section of the second transmission data; And a second HDMI source configured to transmit the second transmission data through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). The method of claim 1,
And the first PTS information is included in an auxiliary video information (AVI) infoframe of the data island section. The method of claim 2,
The first HDMI source is,
And transmitting the AVI InforFrame once per frame of the left eye view image data. The method of claim 2,
The first HDMI source is,
And transmitting the AVI InforFrame once every two frames of the left eye view image data. 5. The method of claim 4,
Wherein the first PTS information includes PTS information for each of the two frames. The method of claim 1,
The first PTS information is information indicating a PTS of a frame of left eye view image data included in the first transmission data. Receiving stereoscopic image data;
Decoding left eye view image data of the received stereoscopic image data;
Inserting the decoded left eye view image data into a video data section of first transmission data;
Inserting first PTS information of the decoded left eye view image data into a data island section of the first transmission data;
Transmitting the first transmission data through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI);
Decoding right eye view image data of the received stereoscopic image data;
Inserting the decoded right eye view image data into a video data section of second transmission data;
Inserting second PTS (Presentation Time Stamp) information of the decoded right eye view image data into a data island section of the second transmission data; And
And transmitting the second transmission data through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI). 8. The method of claim 7,
The first PTS information is included in the AVI (Auxiliary Video Information) InfoFrame (InfoFrame) of the data island interval, characterized in that the 3D image transmission method. The method of claim 8,
And the AVI InforFrame is transmitted once per frame of the left eye view image data. The method of claim 8,
And the AVI InforFrame is transmitted once per two frames of the left eye view image data. The method of claim 10,
And the first PTS information includes PTS information for each of the two frames. 8. The method of claim 7,
The first PTS information is information indicating a PTS of a frame of left eye view image data included in the first transmission data. Receiving first transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI), extracting left eye view image data from a video data section of the received first transmission data, and A first HDMI sink configured to extract first PTS (Presentation Time Stamp) information of the left eye view image data in a data island section of first transmission data;
Receiving second transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI), extracting right eye view image data from a video data section of the received second transmission data, and A second HDMI sink configured to extract second PTS (Presentation Time Stamp) information of the right eye view image data in a data island section of second transmission data; And
And a three-dimensional formatter configured to sample the extracted left eye view image data and the extracted right eye view image data in a stereoscopic image output format according to the first PTS information and the second PTS information. Device. The method of claim 13,
The three-dimensional formatter,
And a frame of the right eye view image data having the frame of the left eye view image data and the second PTS information identical to the first PTS information of the frame in a stereoscopic image output format. The method of claim 13,
A first deinterlacer for deinterlacing the extracted left eye view image data; And
And a second deinterlacer for deinterlacing the extracted right eye view image data. The method of claim 13,
A first deinterlacer for buffering the extracted left eye view image data; And
And a second deinterlacer for buffering the extracted right eye view image data. 17. The method of claim 16,
And a controller configured to control the buffering of the first deinterlacer and the buffering of the second deinterlacer based on the first PTS information and the second PTS information. 18. The method of claim 17,
The control unit may include a frame of the right eye view image data having second PTS information that is identical to the first PTS information of the frame of the left eye view image data output from the first deinterlacer to the 3D formatter. 3D image receiving device characterized in that the control to output to the formatter. Receiving first transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI);
Extracting left eye view image data from a video data section of the received first transmission data;
Extracting first presentation time stamp (PTS) information of the left eye view image data in a data island section of the first transmission data;
Receiving second transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI);
Extracting right eye view image data in a video data section of the received second transmission data;
Extracting second presentation time stamp (PTS) information of the right eye view image data in a data island section of the second transmission data; And
And sampling the extracted left eye view image data and the extracted right eye view image data according to the extracted first PTS information and the extracted second PTS information in a stereoscopic image output format. How to receive video. 20. The method of claim 19,
Deinterlacing the extracted left eye view image data; And
3. The method of claim 3, further comprising deinterlacing the extracted right eye view image data. 20. The method of claim 19,
Buffering the extracted left eye view image data based on the first PTS information and the second PTS information; And
And buffering the extracted right eye view image data based on the first PTS information and the second PTS information. A receiver for receiving stereoscopic image data;
A first decoder for decoding left eye view image data of the received stereoscopic image data;
Inserting the decoded left eye view image data into a video data section of first transmission data, and inserting first PTS (Presentation Time Stamp) information of the decoded left eye view image data into a data island section of the first transmission data; A first HDMI source for transmitting the first transmission data to a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI);
A second decoder for decoding right eye view image data of the received stereoscopic image data;
Inserting the decoded right eye view image data into a video data section of second transmission data, and inserting second PTS (Presentation Time Stamp) information of the decoded right eye view image data into a data island section of the second transmission data; A second HDMI source for transmitting the second transmission data through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI);
Receiving first transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI), extracting left eye view image data from a video data section of the received first transmission data, and A first HDMI sink configured to extract first PTS (Presentation Time Stamp) information of the left eye view image data in a data island section of first transmission data;
Receiving second transmission data transmitted through a transition minimized differential signaling (TMDS) channel of a high-definition multimedia interface (HDMI), extracting right eye view image data from a video data section of the received second transmission data, and A second HDMI sink configured to extract second PTS (Presentation Time Stamp) information of the right eye view image data in a data island section of second transmission data; And
And a three-dimensional formatter configured to sample the extracted left eye view image data and the extracted right eye view image data in a stereoscopic image output format according to the extracted first PTS information and the extracted second PTS information. 3D image processing device.

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