Transferring of 3d image data

3D source device for transferring of three dimensional [3D] image data to a 3D display device, the device comprising:

• generating means (52) for processing source image data to generate a 3D display signal (56), the 3D display signal comprising a sequence of frames constituting the 3D image data according to a 3D video transfer format, the 3D video format comprising a video data period during which pixels of active video are transmitted and a data island period during which audio and auxiliary data are transmitted using a series of packets, the packets including an info frame packet, and
• output interface means (12) for outputting the 3D display signal, each frame having a data structure for representing a sequence of digital image pixel data, and each frame type represents a partial 3D data structure,
• the sequence of frames comprising units, the unit being a period from a vertical synchronization signal to the next vertical synchronization signal, each unit corresponding to a number of frames arranged according to a multiplexing scheme, the number of frames comprising video information to video information intended to be composited and displayed as a 3D image;
• wherein the output interface means are adapted to transmit 3D transfer information in an additional info frame packet, the 3D transfer information comprising at least information about the multiplexing scheme including the number of video frames in a unit to be composed into a single 3D image in the 3D display signal, the multiplexing scheme being selected of group of multiplexing schemes comprising at least frame alternating multiplexing, the frame alternating indicating said number of frames being sequentially arranged within said video data period;
• for, at the display device, generating display control signals in dependence on the 3D transfer information.

3D display device comprising:

• a 3D display (17) for displaying 3D image data,
• input interface means (14) for receiving a 3D display signal, the 3D display signal comprising frames constituting the 3D image data according to a 3D video transfer format, the 3D video format comprising a video data period during which pixels of active video are transmitted and a data island period during which audio and auxiliary data are transmitted using a series of packets, the packets including an info frame packet, and
• processing means (18) for generating display control signals for rendering the 3D image data on the 3D display,
• each frame having a data structure for representing a sequence of digital image pixel data, and each frame type represents a partial 3D data structure, and
• the sequence of frames comprising units, the unit being a period from a vertical synchronization signal to the next vertical synchronization signal, each unit corresponding to a number of frames arranged according to a multiplexing scheme, the number of frames comprising video information intended to be composited and displayed as a 3D image;
• wherein 3D transfer information in an additional info frame packet comprises at least information about the multiplexing scheme including the number of video frames in a unit to be composed into a single 3D image in the 3D display signal, the multiplexing scheme being selected of group of multiplexing schemes comprising at least frame alternating multiplexing, the frame alternating indicating said number of frames being sequentially arranged within said video data period;
• and
• the processing means (18) are arranged for generating the display control signals in dependence on the 3D transfer information.

3D display signal for transferring of three dimensional [3D] image data to a 3D display device, the 3D display signal comprising a sequence of frames constituting the 3D image data according to a 3D video transfer format, the 3D video format comprising a video data period during which pixels of active video are transmitted and a data island period during which audio and auxiliary data are transmitted using a series of packets, the packets including an info frame packet,

• the sequence of frames comprising units, the unit being a period from a vertical synchronization signal to the next vertical synchronization signal, each unit corresponding to a number of frames arranged according to a multiplexing scheme, the number of frames comprising video information video information intended to be composited and displayed as a 3D image;
• wherein
• each frame has a data structure for representing a sequence of digital image pixel data, and each frame type represents a partial 3D data structure, wherein the 3D display signal comprises
• 3D transfer information in an additional info frame packet, the 3D transfer information comprising at least information about the multiplexing scheme including the number of video frames in a unit to be composed into a single 3D image in the 3D display signal, the multiplexing scheme being selected of group of multiplexing schemes comprising at least frame alternating multiplexing, the frame alternating indicating said number of frames being sequentially arranged within said video data period;
• for, at the display device, generating display control signals in dependence on the 3D transfer information.