公开(公告)号：US20150271513A1

公开(公告)日：2015-09-24

申请号：US14664699

申请日：2015-03-20

Applicant: QUALCOMM Incorporated

Inventor： FNU Hendry ,  Ye-kui Wang ,  Adarsh Krishnan Ramasubramonian

IPC: H04N19/46 ,  H04N19/187 ,  H04N19/172 ,  H04N19/597 ,  H04N19/52

CPC classification number: H04N19/65 ,  H04N19/107 ,  H04N19/132 ,  H04N19/159 ,  H04N19/167 ,  H04N19/172 ,  H04N19/187 ,  H04N19/196 ,  H04N19/30 ,  H04N19/46 ,  H04N19/52 ,  H04N19/597 ,  H04N19/61 ,  H04N19/70 ,  H04N19/895

Abstract: Devices and methods for improving use of supplemental enhancement information (SEI) messages in multi-layer codecs for decoding multi-layer bitstreams containing video information are disclosed. In one aspect, a device may include a memory configured to store video information associated with the multi-layer bitstream, the stored video information comprising an SEI message and a processor operably coupled to the memory. The processor is configured to determine whether the SEI message belongs to a first SEI message category or a second SEI message category based on an identifier in the SEI message. The processor is further configured to determine whether the SEI message applies to the operation points or the layers and, in response to the SEI message being of the first SEI message category and applying to the operation points, associating each semantic of the SEI message with each operation point among the operation points.

Abstract translation: 公开了用于改进在多层编解码器中用于解码包含视频信息的多层比特流的补充增强信息（SEI）消息的使用的装置和方法。 在一个方面，设备可以包括被配置为存储与多层比特流相关联的视频信息的存储器，所存储的视频信息包括SEI消息和可操作地耦合到存储器的处理器。 处理器被配置为基于SEI消息中的标识符来确定SEI消息是否属于第一SEI消息类别或第二SEI消息类别。 处理器还被配置为确定SEI消息是否应用于操作点或层，并且响应于SEI消息是第一SEI消息类别并且应用于操作点，将SEI消息的每个语义与每个 操作点之间的操作点。

公开(公告)号：US20150271498A1

公开(公告)日：2015-09-24

申请号：US14665923

申请日：2015-03-23

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Adarsh Krishnan Ramasubramonian ,  Fnu Hendry

IPC: H04N19/13 ,  H04N19/91 ,  H04N19/187 ,  H04N19/154 ,  H04N19/166

CPC classification number: H04N19/37 ,  H04N19/30 ,  H04N19/60 ,  H04N19/70 ,  H04N19/88 ,  H04N19/89

Abstract: In an example, a method of coding video data includes coding one or more non-video coding layer (VCL) network abstraction layer (NAL) units of a layer of a multi-layer bitstream, where the one or more non-VCL NAL units contain a decoded picture hash SEI message. The method also includes determining a set of layers of the multi-layer bitstream to which the decoded picture hash SEI message is applicable based on a layer identifier of the one or more non-VCL NAL units containing the decoded picture hash SEI message.

Abstract translation: 在一个示例中，视频数据的编码方法包括对多层比特流层的一个或多个非视频编码层（VCL）网络抽象层（NAL）单元进行编码，其中一个或多个非VCL NAL单元 包含解码图片哈希SEI消息。 该方法还包括基于包含解码图像哈希SEI消息的一个或多个非VCL NAL单元的层标识符来确定解码图像哈希SEI消息可应用于的多层比特流的一组层。

公开(公告)号：US20150195564A1

公开(公告)日：2015-07-09

申请号：US14585041

申请日：2014-12-29

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan Ramasubramonian ,  Fnu Hendry ,  Ye-Kui Wang

IPC: H04N19/573 ,  H04N19/577 ,  H04N19/52

Abstract: A method for coding a reference picture set (RPS) in multi-layer coding is disclosed. In one aspect, the method may involve determining whether a current picture of video information is a discardable picture. The method may also involve refraining from including the current picture in an RPS based on the determination that the current picture is a discardable picture. The method may further involve encoding the video information based at least in part on the RPS.

Abstract translation: 公开了一种用于对多层编码中的参考图像集（RPS）进行编码的方法。 一方面，该方法可以包括确定视频信息的当前图像是否是可丢弃的图像。 该方法还可以包括基于当前图片是可丢弃图片的确定来禁止将当前图片包括在RPS中。 该方法还可以包括至少部分地基于RPS对视频信息进行编码。

公开(公告)号：US20150195563A1

公开(公告)日：2015-07-09

申请号：US14584994

申请日：2014-12-29

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan Ramasubramonian ,  Fnu Hendry ,  Ye-Kui Wang

IPC: H04N19/573 ,  H04N19/52 ,  H04N19/46 ,  H04N19/577 ,  H04N19/597

CPC classification number: H04N19/573 ,  H04N19/105 ,  H04N19/172 ,  H04N19/30 ,  H04N19/44 ,  H04N19/46 ,  H04N19/52 ,  H04N19/577 ,  H04N19/597 ,  H04N19/65 ,  H04N19/70

Abstract: Methods for coding an inter-layer reference picture set (RPS) and coding end of bitstream (EoB) network access (NAL) units in multi-layer coding are disclosed. In one aspect, the method includes determining whether a candidate inter-layer reference picture is present in the video information. The video information includes an inter-layer RPS including a plurality of subsets. The method further includes determining an inter-layer RPS subset to which the candidate inter-layer reference picture belongs in response to determining that the candidate inter-layer reference picture is not present, and indicating that no reference picture is present in the inter-layer RPS subset to which the candidate inter-layer reference picture belongs.

Abstract translation: 公开了用于编码多层编码中的层间参考图像集（RPS）和编码比特流（EoB）网络访问（NAL）单元的结束的方法。 一方面，该方法包括确定候选层间参考图像是否存在于视频信息中。 视频信息包括包括多个子集的层间RPS。 该方法还包括响应于确定候选层间参考图片不存在而确定候选层间参考图片所属的层间RPS子集，并指示在层间没有参考图片 候选层间参考图片所属的RPS子集。

公开(公告)号：US20150110192A1

公开(公告)日：2015-04-23

申请号：US14521099

申请日：2014-10-22

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Ying Chen ,  Adarsh Krishnan Ramasubramonian ,  Fnu Hendry

IPC: H04N19/597

CPC classification number: H04N19/597 ,  H04N5/91 ,  H04N19/136 ,  H04N19/30 ,  H04N19/46 ,  H04N19/52 ,  H04N19/573 ,  H04N19/58 ,  H04N19/59 ,  H04N19/70 ,  H04N19/91 ,  H04N21/8453 ,  H04N21/85406

Abstract: A computing device generates a file that comprises a track box that contains metadata for a track in the file. Media data for the track comprises a sequence of samples. Each of the samples is a video access unit of multi-layer video data. As part of generating the file, the computing device generates, in the file, an additional box that documents all of the samples containing at least one Intra Random Access Point (IRAP) picture.

Abstract translation: 计算设备生成包括包含文件中的轨道的元数据的轨道框的文件。 轨道的媒体数据包含一系列样本。 每个样本是多层视频数据的视频访问单元。 作为生成文件的一部分，计算设备在该文件中生成一个附加的框，其中记录了包含至少一个内部随机接入点（IRAP）图片的所有样本。

公开(公告)号：US20150103884A1

公开(公告)日：2015-04-16

申请号：US14509797

申请日：2014-10-08

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan Ramasubramonian ,  Ye-Kui Wang

IPC: H04N19/196 ,  H04N19/597 ,  H04N19/177 ,  H04N19/156 ,  H04N19/44 ,  H04N19/463

CPC classification number: H04N19/156 ,  H04N19/177 ,  H04N19/196 ,  H04N19/31 ,  H04N19/423 ,  H04N19/44 ,  H04N19/463 ,  H04N19/597 ,  H04N19/70

Abstract: A method of decoding video data including receiving an encoded video bitstream that includes a plurality of pictures and storing the plurality of pictures in one or more sub-DPBs. The method further including receiving a respective set of sub-DPB parameters for each respective operation point of the encoded video bitstream. applying the respective set of sub-DPB parameters to all layers of an output layer set for each respective operation point, and performing a sub-DPB management process on the one or more sub-DPBs in accordance with the received respective single sets of sub-DPB parameters.

Abstract translation: 一种对视频数据进行解码的方法，包括接收包括多个图像的编码视频比特流并将多个图像存储在一个或多个子DPB中。 该方法还包括为编码视频比特流的每个相应操作点接收相应的一组DPDP参数。 将相应的子DPB参数集合应用于为每个相应操作点设置的输出层的所有层，以及根据所接收的相应单个子集合对所述一个或多个子DPB执行子DPB管理处理， DPB参数。

公开(公告)号：US20150016532A1

公开(公告)日：2015-01-15

申请号：US14328406

申请日：2014-07-10

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Adarsh Krishnan Ramasubramonian ,  Ye-Kui Wang

IPC: H04N19/597 ,  H04N19/51

CPC classification number: H04N19/46 ,  H04N19/30 ,  H04N19/44 ,  H04N19/597

Abstract: A method, apparatus, and manufacture for processing video data. A list of output layer sets in a video bitstream is received, and an index to at least one target output layer set in the list of output layer sets is received. Next, target output layers in the at least one target output layer set is determined based on the index. At least the target output layers from the video bitstream are decoded. Then, the decoded target output layers are output without outputting layers that are not targeted for output.

Abstract translation: 一种用于处理视频数据的方法，装置和制造。 接收视频比特流中的输出层集合的列表，并且接收到在输出层集合列表中设置的至少一个目标输出层的索引。 接下来，基于该索引来确定至少一个目标输出层集合中的目标输出层。 至少来自视频比特流的目标输出层被解码。 然后，输出解码的目标输出层，而不输出不是要输出的层。

公开(公告)号：US20140301485A1

公开(公告)日：2014-10-09

申请号：US14244743

申请日：2014-04-03

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan Ramasubramonian ,  Ye-Kui Wang ,  Krishnakanth Rapaka ,  Ying Chen

IPC: H04N19/89

CPC classification number: H04N19/895 ,  H04N21/234327 ,  H04N21/4384 ,  H04N21/8451 ,  H04N21/8455

Abstract: In one example, a device for coding video data includes a video coder configured to code an intra random access point (IRAP) picture of a partially aligned IRAP access unit of video data, and code data that indicates, when performing random access from the partially aligned IRAP access unit, at least one picture of a video coding layer that is not correctly decodable. When the video coder comprises a video decoder, the video decoder may skip decoding of the pictures that are not correctly decodable, assuming random access has been performed starting from the partially aligned IRAP access unit.

Abstract translation: 在一个示例中，用于编码视频数据的设备包括：视频编码器，被配置为对视频数据的部分对准的IRAP存取单元的内部随机接入点（IRAP）图像进行编码;以及代码数据，当从部分地对其进行随机访问时， 对准的IRAP访问单元，至少一个不能正确解码的视频编码层的图片。 当视频编码器包括视频解码器时，假设从部分对准的IRAP访问单元开始执行随机访问，视频解码器可以跳过不能正确解码的图像的解码。

公开(公告)号：US20140301469A1

公开(公告)日：2014-10-09

申请号：US14247110

申请日：2014-04-07

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Ying Chen ,  Adarsh Krishnan Ramasubramonian

IPC: H04N19/30 ,  H04N19/51 ,  H04N19/70

CPC classification number: H04N19/91 ,  H04N19/29 ,  H04N19/30 ,  H04N19/44 ,  H04N19/46 ,  H04N19/513 ,  H04N19/597 ,  H04N19/70

Abstract: Systems, methods, and devices for coding multilayer video data are disclosed that may include encoding, decoding, transmitting, or receiving multilayer video data. The systems, methods, and devices may receive or transmit a first output layer set for a layer set and receive or transmit a second output layer set for the layer set. The systems, methods, and devices may code (encode or decode) video data for at least one of the first output layer set and the second output layer set.

Abstract translation: 公开了用于编码多层视频数据的系统，方法和设备，其可以包括编码，解码，发送或接收多层视频数据。 系统，方法和设备可以接收或发送用于层集合的第一输出层集合并且接收或发送用于层集合的第二输出层集合。 系统，方法和设备可以对第一输出层集合和第二输出层集合中的至少一个编码（编码或解码）视频数据。

公开(公告)号：US20140301436A1

公开(公告)日：2014-10-09

申请号：US14230853

申请日：2014-03-31

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Adarsh Krishnan Ramasubramonian ,  Jianle Chen

IPC: H04N19/105 ,  H04N19/50 ,  H04N19/187

CPC classification number: H04N19/30 ,  H04N19/172 ,  H04N19/187 ,  H04N19/188 ,  H04N19/70

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a video processor in communication with the memory unit. The video processor is configured to identify a first picture included in the first set of pictures, wherein pictures within the first set of pictures having an output position after the output position of the first picture also have a decoding position after the decoding position of the first picture. The video processor is further configured to identify a second picture included in the second set of pictures, wherein pictures within the second set of pictures having an output position after the output position of the second pictures also have a decoding position after the decoding position of the second picture. The video processor is also configured to code the identified first picture and the identified second picture via one syntax element into one access unit.

Abstract translation: 根据某些方面的用于编码视频信息的装置包括与存储器单元通信的存储器单元和视频处理器。 视频处理器被配置为识别包括在第一组图像中的第一图像，其中在第一图像的输出位置之后具有输出位置的第一组图像内的图像在第一图像的解码位置之后还具有解码位置 图片。 视频处理器还被配置为识别包括在第二组图像中的第二图像，其中具有在第二图像的输出位置之后的输出位置的第二组图像内的图像还具有在解码位置之后的解码位置 第二张图片。 视频处理器还被配置为经由一个语法元素将所识别的第一图像和所识别的第二图像编码为一个访问单元。