Transferring of 3d image data

Abstract

A system of transferring of three dimensional (3D) image data is described. A 3D source device ( 10 ) provides 3D display signal ( 56 ) for a display ( 13 ) via a high speed digital interface like HDMI. The 3D display signal has frames constituting the 3D image data according to a 3D video transfer format, in which format the frames comprise at least two different frame types. Each frame has a data structure for representing a sequence of digital image pixel data, and represents a partial 3D data structure. The 3D source device includes frame type synchronization indicators in the 3D display signal. The display detects the frame type synchronization indicators and frame types, and generates the display control signals based on synchronizing the partial 3D data structures in dependence of the frame type synchronization indicators.

1 . A three dimensional (3D) source device for transferring of 3D image data to a 3D display device, the 3D source device comprising:
 a processor circuit that:   creates source image data so as to generate a 3D display signal, the 3D display signal comprising a plurality of frames constituting the 3D image data according to a 3D video transfer format, wherein the 3d video transfer format comprises at least two different frame types,   an output interface, wherein the output interface outputs the 3D display signal,
 wherein each frame has a data structure for representing a sequence of digital image pixel data, 
 wherein each frame type represents a partial 3D data structure, 
   a transmit synchronization circuit, the transmit synchronization circuit comprising at least one frame type synchronization indicator in the 3D display signal,   wherein the display control signals is based on synchronizing the partial 3D data structures in dependence of the frame type synchronization indicator at the 3D display device,   wherein the frame type synchronization indicator comprises a frame type indicator corresponding to the frame type for synchronizing in time each of the partial 3D data structures from the respective frame types in the 3D video transfer format,   wherein the frame type synchronization indicator comprises a 3D video format indicator indicative of the 3D video transfer format in a subsequent section of the 3D display signal.   
     
     
         2 . The three dimensional (3D) source device as claimed in  claim 1 , wherein the different frame type in the 3D video transfer format is one of a left frame type, a right frame type, a two dimensional (2D) frame type, a depth frame type, a transparency frame type, a shielded frame type, a combinatorial frame type indicative of a combination of sub-frames of type 
     
     
         3 . The three dimensional (3D) source device as claimed in  claim 1 , wherein the frame type synchronization indicator comprising a frame type indicator corresponding to the frame type for time synchronizing each of the piecewise 3D data structures from each frame type. 
     
     
         4 . The three dimensional (3D) source device as claimed in  claim 1 ,
 wherein the 3D video transfer format comprises a main video and at least one auxiliary video layer transferred via respective frame types,   wherein the frame type synchronization indicator comprises a main frame type indicator and an auxiliary Layer frame type indicator,   wherein the layer frame type indicator comprises at least one of a layer frame type indicator.   
     
     
         5 . The three dimensional (3D) source device as claimed in  claim 1 , wherein the auxiliary video layer comprises graphical information or subtitles. 
     
     
         6 . The three dimensional (3D) source device as claimed in  claim 4 , wherein the frame type synchronization indicator for the auxiliary video layer comprises the type and format of the auxiliary layer, the position of the display of the auxiliary layer with respect to the display of the main video, the size of the display of the auxiliary layer, 
     
     
         7 . The three dimensional (3D) source device as claimed in  claim 4 , wherein the frame type synchronization indicator for the auxiliary video layer comprises the type or format of the auxiliary layer, the position of the display of the auxiliary layer with respect to the display of the main video, the size of the display of the auxiliary layer, 
     
     
         8 . The three dimensional (3D) source device as claimed in  claim 4 , comprising layer signaling parameters indicative of at least one of appearance of the layer's display, time and duration of disappearance of the layers display, 3D display settings or 3D display parameters. 
     
     
         9 . The three dimensional (3D) source device as claimed in  claim 4 , comprising layer signaling parameters indicative of at least one of appearance of the layer's display, time or duration of disappearance. 
     
     
         10 . The three dimensional (3D) source device as claimed in  claim 1 , wherein the frame type synchronization indicator comprises a frame sequence indicator indicating frequency of the frame type. 
     
     
         11 . The three dimensional (3D) source device as claimed in  claim 1 , wherein the frame type synchronization indicator comprises a frame sequence indicator indicating frequency of an order of the different frame types. 
     
     
         12 . The three dimensional (3D) source device as claimed in  claim 1 , wherein the frame type synchronization indicator has a frame sequence number. 
     
     
         13 . The three dimensional (3D) source device as claimed in  claim 1 ,
 wherein the 3D video transfer format comprises a main video and at least one auxiliary video layer transferred via respective frame types,   wherein the frame type synchronization indicator comprises a main frame type indicator and an auxiliary Layer frame type indicator,   wherein the processing means combines the different layers represented by the partial partial 3D data structure according to the frame type synchronization indicator.