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

專利號
US10097820B2
公開日期
2018-10-09
申請人
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.

說明書

The full resolution LE and RE output image frames (162-L and 162-R) both of which comprise high spatial frequency content in both vertical and horizontal directions may be rendered by a display device (which, for example, may comprise the multi-layer video decoder 150) to present a full resolution output 3D image. Rendering the full resolution LE and RE output image frames may, but is not limited to, be in a frame-sequential manner. Because high spatial frequency content has been preserved in the video signals as received by the multi-layer video decoder (150), the full resolution output 3D image contains high spatial frequency image details that may exist in an original 3D image (which may be one of the 3D input images of FIG. 1A).

FIG. 1C illustrates a base-layer video decoder (150-1) that receives one or more input video signals generated from an original video sequence (which may be the input video sequence as discussed in connection with FIG. 1A), in accordance with an embodiment. In an example embodiment, the base-layer video decoder (150-1) is configured to decode a BL input video signal as received from a base layer (BL FC video stream 112-1 of FIG. 1C) into a sequence of 3D output images, regardless of whether video signals in other layers may be present or not in physical signals received by the decoder. In an example embodiment, the base-layer video decoder (150-1) is configured to ignore any presence of video signals in other streams other than the BL FC video stream (112-1).

權(quán)利要求

1
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