公开(公告)号：US20160269756A1

公开(公告)日：2016-09-15

申请号：US15163613

申请日：2016-05-24

Applicant: DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Guan-Ming SU ,  Sheng QU ,  Hubert KOEPFER ,  Yufei YUAN ,  Samir HULYALKAR

IPC: H04N19/98 ,  H04N19/30 ,  H04N19/192 ,  H04N19/16

CPC classification number: H04N19/105 ,  G06F17/18 ,  H04N19/147 ,  H04N19/16 ,  H04N19/192 ,  H04N19/30 ,  H04N19/98

Abstract: Inter-color image prediction is based on multi-channel multiple regression (MMR) models. Image prediction is applied to the efficient coding of images and video signals of high dynamic range. MMR models may include first order parameters, second order parameters, and cross-pixel parameters. MMR models using extension parameters incorporating neighbor pixel relations are also presented. Using minimum means-square error criteria, closed form solutions for the prediction parameters are presented for a variety of MMR models.

Abstract translation: 彩色图像预测是基于多通道多元回归（MMR）模型。 图像预测应用于高动态范围的图像和视频信号的有效编码。 MMR模型可以包括一阶参数，二阶参数和跨像素参数。 还提出了使用包含相邻像素关系的扩展参数的MMR模型。 使用最小均方误差准则，针对各种MMR模型提出了预测参数的闭合形式解。

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。