公开(公告)号：US09848199B2

公开(公告)日：2017-12-19

申请号：US14656447

申请日：2015-03-12

Applicant: QUALCOMM Incorporated

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

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/31 ,  H04N19/184 ,  H04N19/187 ,  H04N19/136 ,  H04N19/70 ,  H04N19/30

CPC classification number: H04N19/31 ,  H04N19/136 ,  H04N19/184 ,  H04N19/187 ,  H04N19/30 ,  H04N19/70

Abstract: An apparatus configured to code video information in a bitstream includes a memory and a processor in communication with the memory. The memory is configured to store video information associated with a video layer having a current picture. The processor is configured to: determine whether a slice segment header extension associated with the current picture is present in the bitstream; and determine that one or more most significant bits (MSBs) of a picture order count (POC) value associated with the current picture are not present in the bitstream in response to a determination that the slice segment header extension associated with the current picture is not present in the bitstream. The processor may encode or decode the video information in the bitstream.

公开(公告)号：US20170347165A1

公开(公告)日：2017-11-30

申请号：US15602962

申请日：2017-05-23

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang

IPC: H04N21/845 ,  H04N19/85 ,  H04L29/06 ,  H04N21/432

CPC classification number: H04N21/8451 ,  H04L65/601 ,  H04N19/30 ,  H04N19/70 ,  H04N19/85 ,  H04N21/23439 ,  H04N21/432 ,  H04N21/8456 ,  H04N21/85406 ,  H04N21/8543

Abstract: In one example, a device for retrieving video data includes one or more processors configured to, in response to determining that a lowest track of a plurality of tracks, the lowest track including a base layer of the video data carrying a lowest sub-layer of the video data, is to include sample entry type values for samples indicating that convenient random access is enabled, set sample entry type values for samples of each of the other tracks of the plurality of tracks that include video data to indicate that convenient random access is enabled, and generate a file including the plurality of tracks, such that the sample entry type values for the tracks of the plurality of tracks indicate that convenient random access is enabled.

公开(公告)号：US20170347109A1

公开(公告)日：2017-11-30

申请号：US15602664

申请日：2017-05-23

Applicant: QUALCOMM Incorporated

Inventor： Fnu Hendry ,  Ye-Kui Wang

IPC: H04N19/169 ,  H04N19/70 ,  H04N19/174 ,  H04N19/96 ,  H04N19/119

CPC classification number: H04N19/188 ,  H04N19/119 ,  H04N19/174 ,  H04N19/70 ,  H04N19/96

Abstract: A computing device receive a bitstream comprising a plurality of coded slice NAL units encapsulating RBSPs for respective slice segments of a slice of a picture. The slice segments including an independent slice segment and one or more dependent slice segments. The picture is partitioned into a plurality of tiles, including a first tile and a second tile. The slice segments include one or more slice segments that contain CTUs of the first tile and one or more slice segments that contain CTUs of the second tile. The computing device generates a file storing the bitstream. As part of generating the file, the computing device defines a tile region in the file. The tile region comprises an integer number of tiles forming a rectangular region encoded in one or more of the slice segments. The rectangular tile region includes the first tile and not the second tile.

公开(公告)号：US20170339415A1

公开(公告)日：2017-11-23

申请号：US15589782

申请日：2017-05-08

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Fnu Hendry

IPC: H04N19/167 ,  H04N19/70 ,  H04L29/06

CPC classification number: H04N19/167 ,  H04L65/601 ,  H04L65/607 ,  H04L65/80 ,  H04N19/132 ,  H04N19/162 ,  H04N19/176 ,  H04N19/70 ,  H04N21/234345 ,  H04N21/4728 ,  H04N21/8146 ,  H04N21/84 ,  H04N21/8456

Abstract: A device for determining information for video data includes one or more processors implemented in circuitry that are configured to determine one or more most-interested regions of a plurality of regions of an image of video data based on data representative of the one or more most-interested regions. The data representative of the one or more most-interested regions is external to video coding layer (VCL) data of a bitstream including the video data. The processors output a request for relatively high-quality video data for the one or more most-interested regions of the image and output, after outputting the request for the relatively high-quality video data, a request for relatively low-quality video data for one or more other regions of the image.

公开(公告)号：US20170339392A1

公开(公告)日：2017-11-23

申请号：US15495730

申请日：2017-04-24

Applicant: QUALCOMM Incorporated

Inventor： Bijan Forutanpour ,  Ye-Kui Wang ,  Phi Hung Nguyen ,  Ning Bi

IPC: H04N13/00 ,  H04N5/232

CPC classification number: H04N13/161 ,  H04N5/23238 ,  H04N5/2628 ,  H04N19/597

Abstract: Provided are systems, methods, and computer-readable medium for including parameters that describe fisheye images in a 360-degree video with the 360-degree video. The 360-degree video can then be stored and/or transmitted as captured by the omnidirectional camera, without transforming the fisheye images into some other format. The parameters can later be used to map the fisheye images to an intermediate format, such as an equirectangular format. The intermediate format can be used to store, transmit, and/or display the 360-degree video. The parameters can alternatively or additionally be used to map the fisheye images directly to a format that can be displayed in a 360-degree video presentation, such as a spherical format.

公开(公告)号：US09819941B2

公开(公告)日：2017-11-14

申请号：US14509797

申请日：2014-10-08

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan Ramasubramonian ,  Ye-Kui Wang

IPC: H04N19/423 ,  H04N19/70 ,  H04N19/156 ,  H04N19/597 ,  H04N19/196 ,  H04N19/463 ,  H04N19/177 ,  H04N19/44 ,  H04N19/31

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.

公开(公告)号：US09813705B2

公开(公告)日：2017-11-07

申请号：US13870548

申请日：2013-04-25

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang

IPC: H04N7/30 ,  H04N19/645 ,  H04N19/70 ,  H04N19/463

CPC classification number: H04N19/46 ,  H04N19/463 ,  H04N19/70

Abstract: Systems, methods, and devices for processing video data are disclosed. Some examples relate to receiving or forming a parameter set having an identifier that is fixed length coded, wherein a parameter set identification (ID) for the parameter set is before any syntax element in the parameter set that is entropy coded and using the parameter set having the identifier that is fixed length coded to decode or encode video data. Other examples determine whether a first parameter set ID of a first parameter set of a first bitstream is the same as a second parameter set ID of a second parameter set of a second bitstream. In response to determining that the second parameter set ID is the same as the first parameter set ID, changing the second parameter set ID to a unique parameter set ID. A parameter set associated with the unique parameter set ID may be transmitted.

公开(公告)号：US09807419B2

公开(公告)日：2017-10-31

申请号：US14749577

申请日：2015-06-24

Applicant: QUALCOMM Incorporated

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

IPC: H04N19/70 ,  H04N19/30 ,  H04N19/46 ,  H04N19/597 ,  H04N19/593 ,  H04N19/184 ,  H04N19/187 ,  H04N19/573

CPC classification number: H04N19/593 ,  H04N19/184 ,  H04N19/187 ,  H04N19/30 ,  H04N19/46 ,  H04N19/573 ,  H04N19/597 ,  H04N19/70

Abstract: A device for video encoding multi-layer video data includes a memory configured to store at least a portion of a multi-layer bitstream of video data and one or more processors configured to: encode a first access unit comprising at least a layer and a reference layer of the layer; determine if the first access unit is a recovery point; in response to the first access unit being a recovery point, include in the first access unit, a recovery point SEI message that applies to at least the layer and the reference layer; and generate the first access unit with the SEI message.

公开(公告)号：US20170244966A1

公开(公告)日：2017-08-24

申请号：US15434957

申请日：2017-02-16

Applicant: QUALCOMM Incorporated

Inventor： Rajan Laxman Joshi ,  Ye-Kui Wang ,  Krishnakanth Rapaka ,  Marta Karczewicz

IPC: H04N19/126 ,  H04N19/176 ,  H04N19/186 ,  H04N19/593

CPC classification number: H04N19/126 ,  H04N19/105 ,  H04N19/176 ,  H04N19/186 ,  H04N19/187 ,  H04N19/30 ,  H04N19/593 ,  H04N19/597 ,  H04N19/70

Abstract: A device for coding multi-layer video data is configured to determine a picture order count (POC) value for a current picture; determine a POC value for a reference picture; determine a layer identification (ID) value for the current picture; determine a layer ID value for the reference picture; conditionally receive a flag indicating whether weighted prediction is enabled or disabled by receiving the flag in response to at least one of two conditions being true and not receive the flag in response to the two conditions being false, the two conditions being (1) the POC value of the current picture is not equal to the POC value of the reference picture, and (2) the layer ID value for the current picture is not equal to the layer ID value for the reference picture.

公开(公告)号：US09716900B2

公开(公告)日：2017-07-25

申请号：US14742573

申请日：2015-06-17

Applicant: QUALCOMM Incorporated

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

IPC: H04N7/12 ,  H04N19/70 ,  H04N19/34 ,  H04N19/46 ,  H04N19/30

CPC classification number: H04N19/70 ,  H04N19/30 ,  H04N19/34 ,  H04N19/46

Abstract: In an example, a method for video coding includes processing a Supplemental Enhancement Information (SEI) Network Abstraction Layer (NAL) unit that comprises one or more SEI message structures in a raw byte sequence payload (RBSP), such that one or more SEI message structure includes at least one nesting SEI message structure having one or more SEI messages. In various embodiments, the SEI NAL unit is processed, and a syntax element, indicative of a number of SEI messages comprised within the at least one nesting message structure, is coded.