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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

interlace_processing_flag signals whether reference processing will be applied on a frame or a field basis. If it is set to zero, processing will take place in the frame domain. If this flag is set to 1 then processing shall be performed separately for each field.
disable_part_symmetry_flag (when present) signals whether filter selection for spatially collocated partitions belonging to different views is constrained or unconstrained. When this flag is not set, both collocated partitions in either view are processed with the same RPU filter to derive the enhancement layer prediction. Hence half as many filters are signaled. When this flag is set, a filter is signaled for each partition in the processed picture. If not present, then all partitions use the same filtering method (NULL). This flag is constrained to be equal to 1 if the rpu_format is set to SBS and PicWidthInMbs=1 or if rpu_format is set to OU or TAB and PicHeightInMapUnits is equal to 1. If not present, the value of this flag will be set to 1.
num_x_partitions_minus1 signals the number of partitions that are used to subdivide the processed picture in the horizontal dimension during filtering. It can take any non-negative integer value. If not present, then the value of num_x_partitions_minus1 is set equal to 0. The value of num_x_partitions_minus 1 is between 0 and Clip3(0, 15, (PicWidthInMbs>>1)?1), where PicWidthInMbs is specified in the H.264 specification.
num_y_partitions_minus1 signals the number of partitions that are used to subdivide the processed picture in the vertical dimension during filtering. It can take any non-negative integer value. If not present, then the value of num_y_partitions_minus 1 is set equal to 0. The value of num_y_partitions_minus1 is between 0 and Clip3(0, 7, (PicHeightInMapUnits>>1)?1), where PicHeightInMapUnits is specified in the H.264 specification.
RPU Data Payload Semantics

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