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How to squeeze two 720p images in a single 1080p frame for 3D

The 3D Tile Format is a frame compatible way to transmit two 720p images in a single 1080p frame. Quartarete TV (Italy), working in tandem with the Italy-based Sisvel Group, will use the 3D Tile Format to deliver HD and 3-D content as two 720 elements (right and left eye) within a single 1080p/50 HD signal, via the DVB-T broadcast standard.

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The 3D Tile Format is a series of algorithms that splits a 3-D image into three parts that are compressed in H.264 and then transmitted along with a single HD frame.

One of the metadata encoded in the H.264 bitstream  is the so called “cropping rectangle”, used to
signal to the decoder the part of the decoded frame that has to be output to the displa

This is 2D compatible !

One of the metadata encoded in the H.264 bitstream  is the so called “cropping rectangle”, used to signal to the decoder the part of the decoded frame that has to be output to the display.  A legacy decoder, while receiving an H.264 encoded 3D signal would display only the area of the frame enclosed by the cropping rectangle.

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Read the paper here in BroadcastEngineering.