公开(公告)号：US10154276B2

公开(公告)日：2018-12-11

申请号：US13689605

申请日：2012-11-29

Applicant: Qualcomm Incorporated

Inventor： Ying Chen ,  Ye-Kui Wang

IPC: H04N19/50 ,  H04N19/176 ,  H04N19/423 ,  H04N19/597 ,  H04N19/70 ,  H04N13/00

Abstract: In general, techniques are described for separately processing depth and texture components of video data. A device configured to process video data including a view component comprised of a depth component and a texture component may perform various aspects of the techniques. The device may comprise a processor configured to determine a supplemental enhancement information message that applies when processing the view component of the video data, and determine a nested supplemental enhancement information message that applies in addition to the supplemental enhancement information message when processing the depth component of the view component.

公开(公告)号：US10097825B2

公开(公告)日：2018-10-09

申请号：US14084285

申请日：2013-11-19

Applicant: QUALCOMM Incorporated

Inventor： Vadim Seregin ,  Ye-Kui Wang ,  Ying Chen ,  Marta Karczewicz

IPC: H04N19/105 ,  H04N19/139 ,  H04N19/30 ,  H04N19/187

Abstract: A method of coding video data includes receiving video information associated with a first layer and a second layer and determining whether at least one of the first layer and the second layer is a default layer. The method can include at least partially restricting inter-layer prediction when neither the first layer nor the second layer is the default layer. A default layer can be a base layer or an enhancement layer. A flag can be received that indicates that inter-layer prediction is to be restricted. In addition, the method can include determining whether inter-layer prediction is allowed for the video information associated with the first layer, and determining whether inter-layer prediction is partially allowed for the video information associated with the second layer such that motion compensation is not used with the second layer video information.

公开(公告)号：US10063861B2

公开(公告)日：2018-08-28

申请号：US15131574

申请日：2016-04-18

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Xuerui Zhang ,  Mayank Tiwari ,  Ning Bi ,  Prasanjit Panda

IPC: H04N19/00 ,  H04N19/159 ,  H04N19/58 ,  H04N19/105 ,  H04N19/172 ,  H04N19/169

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/162 ,  H04N19/172 ,  H04N19/176 ,  H04N19/188 ,  H04N19/46 ,  H04N19/58 ,  H04N19/70

Abstract: Techniques and systems are provided for performing predictive random access using a background picture. For example, a method of decoding video data includes obtaining an encoded video bitstream comprising a plurality of pictures. The plurality of pictures include a plurality of predictive random access pictures. A predictive random access picture is at least partially encoded using inter-prediction based on at least one background picture. The method further includes determining, for a time instance of the video bitstream, a predictive random access picture of the plurality of predictive random access pictures with a time stamp closest in time to the time instance. The method further includes determining a background picture associated with the predictive random access picture, and decoding at least a portion of the predictive random access picture using inter-prediction based on the background picture.

公开(公告)号：US09967592B2

公开(公告)日：2018-05-08

申请号：US14592633

申请日：2015-01-08

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen

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

CPC classification number: H04N19/577 ,  H04N19/52 ,  H04N19/597

Abstract: Techniques for advanced residual prediction (ARP) in video coding may include receiving a first encoded block of video data in a first access unit, wherein the first encoded block of video data was encoded using advanced residual prediction and bi-directional prediction, determining temporal motion information for a first prediction direction of the first encoded block of video data, and identifying reference blocks for a second prediction direction, different than the first prediction direction, using the temporal motion information determined for the first prediction direction, wherein the reference blocks are in a second access unit.

公开(公告)号：US09948939B2

公开(公告)日：2018-04-17

申请号：US14098344

申请日：2013-12-05

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen ,  Marta Karczewicz

IPC: H04N7/12 ,  H04N19/31 ,  H04N19/597 ,  H04N19/105 ,  H04N19/176 ,  H04N19/70 ,  H04N19/30 ,  H04N19/61 ,  H04N19/103 ,  H04N19/107 ,  H04N19/136 ,  H04N19/187 ,  H04N19/577

CPC classification number: H04N19/31 ,  H04N19/103 ,  H04N19/105 ,  H04N19/107 ,  H04N19/136 ,  H04N19/176 ,  H04N19/187 ,  H04N19/30 ,  H04N19/577 ,  H04N19/597 ,  H04N19/61 ,  H04N19/70

Abstract: In an example, a method of coding video data includes determining a location of a temporal reference block indicated by a temporal motion vector to a current block of video data, where the current block and the temporal reference block are located in a first layer of video data. The method also includes interpolating, with a first type of interpolation, a location of a disparity reference block indicated by a disparity vector of the current block, where the disparity reference block is located in a second, different layer, and where the first type of interpolation comprises a bi-linear filter. The method also includes determining a temporal-disparity reference block of the disparity reference block indicated by a combination of the temporal motion vector and the disparity vector, and coding the current block based on the temporal reference block, the disparity reference block, and the temporal-disparity reference block.

公开(公告)号：US09936196B2

公开(公告)日：2018-04-03

申请号：US14066209

申请日：2013-10-29

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Ye-Kui Wang

IPC: H04N7/32 ,  H04N19/597 ,  H04N19/70 ,  H04N19/30

CPC classification number: H04N19/30 ,  H04N19/597 ,  H04N19/70

Abstract: In one example, a device includes a video coder configured to code a multilayer bitstream comprising a plurality of layers of video data, where the plurality of layers of video data are associated with a plurality of layer sets, and where each layer set contains one or more layers of video data of the plurality of layers, and to code on one or more syntax elements of the bitstream indicating one or more output operation points, where each output operation point is associated with a layer set of the plurality of layer sets and one or more target output layers of the plurality of layers.

公开(公告)号：US20180046865A1

公开(公告)日：2018-02-15

申请号：US15384911

申请日：2016-12-20

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Lei Wang ,  Jinglun Gao

IPC: G06K9/00 ,  G06K9/62 ,  G06K9/32

CPC classification number: G06K9/00771 ,  G06K9/3233 ,  G06K9/6201 ,  G06K2009/6213 ,  G06T7/20 ,  G06T2207/10004 ,  G06T2207/10016

Abstract: Techniques and systems are provided for processing video data. For example, techniques and systems are provided for matching a plurality of bounding boxes to a plurality of trackers. In some examples, a first association is performed, in which case one or more of the plurality of bounding boxes are associated with one or more of the plurality of trackers by minimizing distances between the one or more bounding boxes and the one or more trackers. A set of unmatched trackers are identified from the plurality of trackers after the first association. The set of unmatched trackers are not associated with a bounding box from the plurality of bounding boxes during the first association. A second association is then performed, in which case each of the set of unmatched trackers is associated with an associated bounding box from the plurality of bounding boxes that is within a first pre-determined distance. A set of unmatched bounding boxes is identified from the plurality of bounding boxes after the second association. The set of unmatched bounding boxes are not associated with a tracker from the plurality of trackers during the second association. A third association is then performed, in which case each of the set of unmatched bounding boxes is associated with an associated tracker from the plurality of trackers that is within a second pre-determined distance.

公开(公告)号：US09860529B2

公开(公告)日：2018-01-02

申请号：US14332105

申请日：2014-07-15

Applicant: QUALCOMM Incorporated

Inventor： Li Zhang ,  Ying Chen ,  Marta Karczewicz

IPC: H04N19/14 ,  H04N19/583 ,  H04N19/51 ,  H04N19/11 ,  H04N19/597 ,  H04N19/105 ,  H04N19/159 ,  H04N19/70 ,  H04N19/174 ,  H04N19/513 ,  H04N19/182

CPC classification number: H04N19/182 ,  H04N19/105 ,  H04N19/11 ,  H04N19/14 ,  H04N19/159 ,  H04N19/174 ,  H04N19/51 ,  H04N19/513 ,  H04N19/597 ,  H04N19/70

Abstract: In one example, a device for coding (e.g., encoding or decoding) video data includes a memory configured to store video data and a video coder configured to determine a value for an advanced residual prediction (ARP) weighting factor of a current block of the video data and to skip coding of an illumination compensation syntax element for the current block and to code the current block when the value of the ARP weighting factor is not equal to zero. The video coder may further be configured to code the illumination compensation syntax element for the current block and code the current block based at least in part on the value of the illumination compensation syntax element when the value of the ARP weighting factor is equal to zero.

公开(公告)号：US09807399B2

公开(公告)日：2017-10-31

申请号：US15612912

申请日：2017-06-02

Applicant: QUALCOMM Incorporated

Inventor： Xianglin Wang ,  Wei-Jung Chien ,  Marta Karczewicz ,  Ying Chen ,  Peisong Chen

IPC: H04N19/563 ,  H04N19/593 ,  H04N19/182 ,  H04N19/105 ,  H04N19/61

CPC classification number: H04N19/182 ,  H04N19/105 ,  H04N19/593 ,  H04N19/61

Abstract: A video coder performs a padding operation that processes a set of border pixels according to an order. The order starts at a bottom-left border pixel and proceeds through the border pixels sequentially to a top-right border pixel. When the padding operation processes an unavailable border pixel, the padding operation predicts a value of the unavailable border pixel based on a value of a border pixel previously processed by the padding operation. The video coder may generate an intra-predicted video block based on the border pixels.

公开(公告)号：US20170302719A1

公开(公告)日：2017-10-19

申请号：US15433763

申请日：2017-02-15

Applicant: QUALCOMM Incorporated

Inventor： Ying Chen ,  Dashan Gao

IPC: H04L29/06

CPC classification number: H04L65/604 ,  H04L65/4069 ,  H04N19/105 ,  H04N19/162 ,  H04N19/167 ,  H04N19/174 ,  H04N19/33 ,  H04N19/59

Abstract: Systems, methods, and computer readable media are described for providing automatic zoom based adaptive video streaming. In some examples, a tracking video stream and a target video stream are obtained and are processed. The tracking video stream has a first resolution, and the target video stream has a second resolution that is higher than the first resolution. The tracking video stream is processed to define regions of interest for frames of the tracking video stream. The target video stream is processed to generate zoomed-in regions of frames of the target video stream. A zoomed-in region of the target video stream corresponds to a region of interest defined using the tracking video stream. The zoomed-in regions of the frames of the target video stream are then provided for display on a client device.