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Frame-compatible full-resolution stereoscopic 3D video delivery with symmetric picture resolution and quality

專利號(hào)
US10097820B2
公開日期
2018-10-09
申請(qǐng)人
Dolby Laboratories Licensing Corporation(US CA San Francisco)
發(fā)明人
Tao Chen; Hariharan Ganapathy, I; Samir N. Hulyalkar; Gopi Lakshminarayanan; Peng Yin; Taoran Lu; Walter J. Husak
IPC分類
H04N13/00; H04N19/119; H04N13/106; H04N19/597
技術(shù)領(lǐng)域
le,image,frame,rpu,in,3d,video,spatial,bl,decoder
地域: CA CA San Francisco

摘要

A high resolution 3D image may be encoded into a first multiplexed image frame and a second multiplexed image frame in a base layer (BL) video signal and an enhancement layer (EL) video signal. The first multiplexed image frame may comprise horizontal high resolution image data for both eyes, while the second multiplexed image frame may comprise vertical high resolution image data for both eyes. Encoded symmetric-resolution image data for the 3D image may be distributed to a wide variety of devices for 3D image processing and rendering. A recipient device may reconstruct reduced resolution 3D image from one of the first multiplexed image frame or the second multiplexed image frame. A recipient device may also reconstruct high resolution 3D image by combining high resolution image data from both of the first multiplexed image frame and the second multiplexed image frame.

說(shuō)明書

The multi-layer video decoder (150-2) may combine residual image data received in one or more enhancement layers (e.g., EL FC video stream 112-3) with image data received in a base layer (e.g., BL FC video stream 112-1) to produce full resolution LE and RE output image frames (e.g., 162-L and 162-R) that comprise high spatial frequency content in both vertical and horizontal directions. For example, a demultiplexer (DeMux, 160) may be configured to de-multiplex the multiplexed 3D image frames (158-H and 858-V) into LE and RE output image frames (162-L and 162-R) with high spatial frequency content. While the multiplexed 3D image frames (158-H and 858-V) each comprise image data for both left and right eyes, each of the LE and RE output image frames (162-L and 162-R) is only for one of left and right eyes. A first LE image data portion in the first multiplexed 3D image frame (158-H) may be combined with a second LE image data portion in the second multiplexed 3D image frame (158-V) to form the LE output image (162-L) that comprises high spatial frequency content in both vertical and horizontal directions. Similarly, a first RE image data portion in the first multiplexed 3D image frame (158-H) may be combined with a second RE image data portion in the second multiplexed 3D image frame (158-V) to form the RE output image (162-R) that comprises high spatial frequency content in both vertical and horizontal directions.

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