公开(公告)号：US20170164008A1

公开(公告)日：2017-06-08

申请号：US15434699

申请日：2017-02-16

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Sheng QU ,  Peng YIN ,  Yan YE ,  Yuwen HE ,  Walter GISH ,  Guan-Ming SU ,  Yufei YUAN ,  Samir HULYALKAR

IPC: H04N19/70 ,  H04N19/50 ,  H04N19/30 ,  H04L29/06 ,  H04N19/597 ,  H04N19/98 ,  H04N19/159

Abstract: Coding syntaxes in compliance with same or different VDR specifications may be signaled by upstream coding devices such as VDR encoders to downstream coding devices such as VDR decoders in a common vehicle in the form of RPU data units. VDR coding operations and operational parameters may be specified as sequence level, frame level, or partition level syntax elements in a coding syntax. Syntax elements in a coding syntax may be coded directly in one or more current RPU data units under a current RPU ID, predicted from other partitions/segments/ranges previously sent with the same current RPU ID, or predicted from other frame level or sequence level syntax elements previously sent with a previous RPU ID. A downstream device may perform decoding operations on multi-layered input image data based on received coding syntaxes to construct VDR images.

公开(公告)号：US20180027245A1

公开(公告)日：2018-01-25

申请号：US15670965

申请日：2017-08-07

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Alexandros TOURAPIS ,  Yan YE

IPC: H04N19/192 ,  H04N19/147 ,  H04N19/122 ,  H04N19/61 ,  H04N19/11 ,  H04N19/176 ,  H04N19/109 ,  H04N19/126 ,  H04N19/132 ,  H04N19/174 ,  H04N19/17 ,  H04N19/19 ,  H04N19/196 ,  H04N19/107

Abstract: Techniques for selecting a coding mode for an image coding process are described. Coding modes can be selected through a coding mode transition state machine, a re-quantization process, selection of an optimal transform size, by skipping some quantization parameters, or by performing motion search.

公开(公告)号：US20140341305A1

公开(公告)日：2014-11-20

申请号：US14364979

申请日：2012-12-18

Applicant: DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Sheng QU ,  Peng YIN ,  Yan YE ,  Yuwen HE ,  Walter GISH ,  Guan-Ming SU ,  Yufei YUAN ,  Samir HULYALKAR

IPC: H04N19/30 ,  H04N19/98 ,  H04N19/70

CPC classification number: H04N19/70 ,  H04L69/22 ,  H04N19/159 ,  H04N19/30 ,  H04N19/50 ,  H04N19/597 ,  H04N19/98

Abstract: Coding syntaxes in compliance with same or different VDR specifications may be signaled by upstream coding devices such as VDR encoders to downstream coding devices such as VDR decoders in a common vehicle in the form of RPU data units. VDR coding operations and operational parameters may be specified as sequence level, frame level, or partition level syntax elements in a coding syntax. Syntax elements in a coding syntax may be coded directly in one or more current RPU data units under a current RPU ID, predicted from other partitions/segments/ranges previously sent with the same current RPU ID, or predicted from other frame level or sequence level syntax elements previously sent with a previous RPU ID. A downstream device may perform decoding operations on multi-layered input image data based on received coding syntaxes to construct VDR images.

Abstract translation: 符合相同或不同VDR规范的编码语法可以由上游编码设备（例如VDR编码器）以RPU数据单元的形式发送到诸如公用车辆中的VDR解码器的下游编码设备。 VDR编码操作和操作参数可以被指定为编码语法中的序列级别，帧级别或分区级语法元素。 编码语法中的语法元素可以直接在当前RPU ID中的一个或多个当前RPU数据单元中编码，该当前RPU ID是从先前以相同的当前RPU ID发送的其他分区/段/范围预测的，或者从其他帧级或序列级预测的 先前使用以前的RPU ID发送的语法元素。 下游设备可以基于接收的编码语法对多层输入图像数据执行解码操作，以构建VDR图像。