Patents by Inventor Kui Wang

Kui Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • REFERENCE PICTURE SET PREDICTION FOR VIDEO CODING
    Publication number: 20130272403
    Abstract: In one example, a device for decoding video data includes a video decoder configured to decode one or more syntax elements of a current reference picture set (RPS) prediction data structure, wherein at least one of the syntax elements represents a picture order count (POC) difference between a POC value associated with the current RPS and a POC value associated with a previously decoded RPS, form a current RPS based at least in part on the RPS prediction data structure and the previously decoded RPS, and decode one or more pictures using the current RPS. A video encoder may be configured to perform a substantially similar process during video encoding.
    Type: Application
    Filed: April 12, 2013
    Publication date: October 17, 2013
    Applicant: QUALCOMM Incorporated
    Inventors: Adarsh Krishnan RAMASUBRAMONIAN, Ying CHEN, Ye-Kui WANG
  • LOW-DELAY VIDEO BUFFERING IN VIDEO CODING
    Publication number: 20130266076
    Abstract: As one example, a method of coding video data includes storing one or more decoding units of video data in a coded picture buffer (CPB). The method further includes obtaining a respective buffer removal time for the one or more decoding units. The method further includes removing the decoding units from the CPB in accordance with the obtained buffer removal time for each of the decoding units. The method further includes determining whether the CPB operates at access unit level or sub-picture level. The method further includes coding video data corresponding to the removed decoding units. If the CPB operates at access unit level, coding the video data comprises coding access units comprised in the decoding units. If the CPB operates at sub-picture level, coding the video data comprises coding subsets of access units comprised in the decoding units.
    Type: Application
    Filed: February 25, 2013
    Publication date: October 10, 2013
    Applicant: QUALCOMM INCORPORATED
    Inventors: Ye-Kui WANG, Ying CHEN
  • LOW-DELAY VIDEO BUFFERING IN VIDEO CODING
    Publication number: 20130266075
    Abstract: As one example, a method of coding video data includes storing one or more decoding units of video data in a picture buffer. The method further includes obtaining a respective buffer removal time for the one or more decoding units, wherein obtaining the respective buffer removal time comprises receiving a respective signaled value indicative of the respective buffer removal time for at least one of the decoding units. The method further includes removing the decoding units from the picture buffer in accordance with the obtained buffer removal time for each of the decoding units. The method further includes coding video data corresponding to the removed decoding units, wherein coding the video data comprises decoding the at least one of the decoding units.
    Type: Application
    Filed: February 25, 2013
    Publication date: October 10, 2013
    Applicant: QUALCOMM Incorporated
    Inventors: Ye-Kui WANG, Ying CHEN
  • MODULAR CONNECTOR ASSEMBLY CONFIGURED WITH BOTH OPTICAL AND ELECTRICAL CONNECTIONS FOR PROVIDING BOTH OPTICAL AND ELECTRICAL COMMUNICATIONS CAPABILITIES, AND A SYSTEM THAT INCORPORATES THE ASSEMBLY
    Publication number: 20130251376
    Abstract: A modular connector assembly is provided that has both an electrical coupling configuration that complies with the RJ-45 wiring standard and an optical coupling configuration that provides the assembly with optical communications capabilities. In addition, the modular connector assembly is configured to have backwards compatibility with existing 8P8C jacks and plugs that implement the RJ-45 wiring standard. Consequently, the modular connector assembly may be used to communicate optical data signals at higher data rates (e.g., 10 Gb/s and higher) or to communicate electrical data signals at lower data rates (e.g., 1 Gb/s).
    Type: Application
    Filed: May 17, 2013
    Publication date: September 26, 2013
    Applicant: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Chung-Yi Su, Tak Kui Wang
  • HIGH-LEVEL SYNTAX EXTENSIONS FOR HIGH EFFICIENCY VIDEO CODING
    Publication number: 20130243081
    Abstract: In one example, a device includes a video coder configured to code a picture order count (POC) value for a first picture of video data, code a second-dimension picture identifier for the first picture, and code, in accordance with a base video coding specification or an extension to the base video coding specification, a second picture based at least in part on the POC value and the second-dimension picture identifier of the first picture. The video coder may comprise a video encoder or a video decoder. The second-dimension picture identifier may comprise, for example, a view identifier, a view order index, a layer identifier, or other such identifier. The video coder may code the POC value and the second-dimension picture identifier during coding of a motion vector for a block of the second picture, e.g., during advanced motion vector prediction or merge mode coding.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 19, 2013
    Applicant: QUALCOMM INCORPORATED
    Inventors: Ying CHEN, Ye-Kui WANG, Li ZHANG
  • MOTION VECTOR CODING AND BI-PREDICTION IN HEVC AND ITS EXTENSIONS
    Publication number: 20130243093
    Abstract: In one example, a device includes a video coder (e.g., a video encoder or a video decoder) configured to determine that a block of video data is to be coded in accordance with a three-dimensional extension of High Efficiency Video Coding (HEVC), and, based the determination that the block is to be coded in accordance with the three-dimensional extension of HEVC, disable temporal motion vector prediction for coding the block. The video coder may be further configured to, when the block comprises a bi-predicted block (B-block), determine that the B-block refers to a predetermined pair of pictures in a first reference picture list and a second reference picture list, and, based on the determination that the B-block refers to the predetermined pair, equally weight contributions from the pair of pictures when calculating a predictive block for the block.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 19, 2013
    Applicant: QUALCOMM INCORPORATED
    Inventors: Ying CHEN, Ye-Kui WANG, Li ZHANG
  • Method and apparatus for implementing fat-water separation in a magnetic resonance system
    Patent number: 8503751
    Abstract: In a magnetic resonance (MR) method and apparatus for implementing fat-water separation, MR data acquired representing one in-phase image and two out-of-phase images, phase differences between the two out-of-phase images are calculated, and the phases caused by the inhomogeneity of a magnetic field in the two out-of-phase images are calculated by using the phase differences; correcting linear phase differences in the in-phase image caused by eddy currents, by using the two corrected out-of-phase images. Calculations are then made on the basis of the three corrected images to obtain water and fat images. This method and apparatus effectively eliminate the adverse effects caused by the eddy currents in the currently available implementing process of the three points Dixon method.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: August 6, 2013
    Assignee: Siemens Aktiengesellschaft
    Inventors: Zhen Kui Wang, Dong Mei Wu
  • SIGNALING VIEW SYNTHESIS PREDICTION SUPPORT IN 3D VIDEO CODING
    Publication number: 20130176389
    Abstract: In one example, a video coder is configured to code information indicative of whether view synthesis prediction is enabled for video data. When the information indicates that view synthesis prediction is enabled for the video data, the video coder may generate a view synthesis picture using the video data and code at least a portion of a current picture relative to the view synthesis picture. The at least portion of the current picture may comprise, for example, a block (e.g., a PU, a CU, a macroblock, or a partition of a macroblock), a slice, a tile, a wavefront, or the entirety of the current picture. On the other hand, when the information indicates that view synthesis prediction is not enabled for the video data, the video coder may code the current picture using at least one of intra-prediction, temporal inter-prediction, and inter-view prediction without reference to any view synthesis pictures.
    Type: Application
    Filed: August 17, 2012
    Publication date: July 11, 2013
    Applicant: QUALCOMM Incorporated
    Inventors: Ying Chen, Ye-Kui Wang, Marta Karczewicz
  • Modular connector assembly configured with both optical and electrical connections for providing both optical and electrical communications capabilities, and a system that incorporates the assembly
    Patent number: 8467654
    Abstract: A modular connector assembly is provided that has both an electrical coupling configuration that complies with the RJ-45 wiring standard and an optical coupling configuration that provides the assembly with optical communications capabilities. In addition, the modular connector assembly is configured to have backwards compatibility with existing 8P8C jacks and plugs that implement the RJ-45 wiring standard. Consequently, the modular connector assembly may be used to communicate optical data signals at higher data rates (e.g., 10 Gb/s and higher) or to communicate electrical data signals at lower data rates (e.g., 1 Gb/s).
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: June 18, 2013
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Chung-Yi Su, Tak Kui Wang
  • Classified media quality of experience
    Patent number: 8452884
    Abstract: A method for reporting a streaming quality is shown, wherein at least one continuous media stream is streamed to a client (601), and wherein said streaming is controlled by a protocol (109) that is operated between said client (601) and a server (600), the method including selecting at least one quality metric and a quality metrics class from a pre-defined set of at least two quality metrics classes, and reporting to said server (600) the quality of said streaming based on said at least one selected quality metric and said selected quality metrics class. The protocol (109) is preferably a Real-time Streaming Protocol in combination with a Session Description Protocol in the context of the 3GPP Packet-Switched Streaming Service. Also shown is a computer program, a computer program product, a system, a client, a server and a protocol.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: May 28, 2013
    Assignee: Core Wireless Licensing S.a.r.l.
    Inventor: Ye-Kui Wang
  • Signaling of region-of-interest scalability information in media files
    Patent number: 8442109
    Abstract: A method for signaling ROI scalability information in a file format. The present invention provides an efficient signaling of ROI scalability information in the file format, wherein the signaling comprises providing the geometrical information of a ROI and an indication to identify the ROI each coded data unit is associated with within a tier or layer.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: May 14, 2013
    Assignee: Nokia Corporation
    Inventors: Ye-Kui Wang, Miska Hannuksela
  • PADDING OF SEGMENTS IN CODED SLICE NAL UNITS
    Publication number: 20130114736
    Abstract: A video encoder divides a picture into a plurality of picture partitions, such as tiles or wavefront parallel processing (WPP) waves. The picture partitions are associated with non-overlapping subsets of the treeblocks of the picture. The video encoder generates a coded slice network abstraction layer (NAL) unit that includes encoded representations of the treeblocks associated with a slice of the picture. The coded treeblocks are grouped within the coded slice NAL unit into segments associated with different ones of the picture partitions. The video encoder pads one or more of the segments such that each of the segments begins on a byte boundary.
    Type: Application
    Filed: July 13, 2012
    Publication date: May 9, 2013
    Applicant: QUALCOMM INCORPORATED
    Inventors: Ye-Kui Wang, Muhammed Zeyd Coban, Marta Karczewicz
  • DECODED PICTURE BUFFER MANAGEMENT
    Publication number: 20130077680
    Abstract: Techniques are described related to output and removal of decoded pictures from a decoded picture buffer (DPB). The example techniques may remove a decoded picture from the DPB prior to coding a current picture. For instance, the example techniques may remove the decoded picture if that decoded picture is not identified in the reference picture set of the current picture.
    Type: Application
    Filed: September 19, 2012
    Publication date: March 28, 2013
    Inventors: Ye-Kui Wang, Ying Chen
  • CODING REFERENCE PICTURES FOR A REFERENCE PICTURE SET
    Publication number: 20130077687
    Abstract: Techniques are described related to coding of long-term reference pictures for a reference picture set. In some examples, a video coder may code candidate long-term reference pictures in a parameter set. The video coder also code syntax elements that indicate which long-term reference pictures from the candidate long-term reference pictures belong in the reference picture set.
    Type: Application
    Filed: September 19, 2012
    Publication date: March 28, 2013
    Inventors: Ye-Kui Wang, Ying Chen
  • REFERENCE PICTURE SIGNALING AND DECODED PICTURE BUFFER MANAGEMENT
    Publication number: 20130077681
    Abstract: Techniques are described related to performing random access starting from a random access point picture that is not an instantaneous decoder refresh picture. Some techniques are also related to reducing the amount of information that is signaled for long-term reference pictures of a reference picture set. Additional techniques are also related to decoded picture buffer management, such as removing decoded pictures based on a temporal identification value.
    Type: Application
    Filed: September 20, 2012
    Publication date: March 28, 2013
    Inventors: Ying Chen, Ye-Kui Wang
  • REFERENCE PICTURE LIST CONSTRUCTION FOR VIDEO CODING
    Publication number: 20130077677
    Abstract: Techniques are described related to constructing reference picture lists. The reference picture lists may be constructed from reference picture subsets of a reference picture set. In some examples, the reference picture subsets may be ordered in a particular manner to form the reference picture lists.
    Type: Application
    Filed: September 19, 2012
    Publication date: March 28, 2013
    Inventors: Ye-Kui Wang, Ying Chen
  • VIDEO CODING WITH SUBSETS OF A REFERENCE PICTURE SET
    Publication number: 20130077679
    Abstract: Techniques are described related to deriving a reference picture set. A reference picture set may identify reference pictures that can potentially be used to inter-predict a current picture and picture following the current picture in decoding order. In some examples, deriving the reference picture set may include constructing a plurality of reference picture subsets that together form the reference picture set.
    Type: Application
    Filed: September 19, 2012
    Publication date: March 28, 2013
    Inventors: Ye-Kui Wang, Ying Chen
  • REFERENCE PICTURE LIST CONSTRUCTION FOR VIDEO CODING
    Publication number: 20130077678
    Abstract: Techniques are described related to constructing reference picture lists. The reference picture lists may be constructed from reference picture subsets of a reference picture set. In some examples, the techniques may repeatedly list reference pictures identified in the reference picture subsets until the number of entries in the reference picture list is equal to the maximum number of allowable entries in the reference picture list.
    Type: Application
    Filed: September 19, 2012
    Publication date: March 28, 2013
    Inventors: Ying Chen, Ye-Kui Wang
  • REFERENCE PICTURE LIST CONSTRUCTION FOR VIDEO CODING
    Publication number: 20130077685
    Abstract: Techniques are described related to modifying an initial reference picture list. The example techniques may identify a reference picture in at least one of the reference picture subsets used to construct the initial reference picture. The example techniques may list the identified reference picture in a current entry of the initial reference picture list to construct a modified reference picture list.
    Type: Application
    Filed: September 19, 2012
    Publication date: March 28, 2013
    Inventors: Ying Chen, Ye-Kui Wang
  • Connector system having electrical and optical links with optical link cleaner
    Patent number: 8403568
    Abstract: In a connector system, a first connector is mechanically and optically mateable with a second connector to form one or more optical signal communication links. A wiping cleaner is included on at least one of the first and second connectors for cleaning an optical port of the other of the first and second connectors when the connectors are plugged together. The first and second connectors can further be electrically mateable to provide both optical and electrical signal communication links.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: March 26, 2013
    Assignee: Avago Technologies Fiber IP (Singapore) Pte. Ltd
    Inventors: Tak Kui Wang, Ronald T. Kaneshiro, Chung-Yi Su, Craig T. Cummings, Ye Chen, Bing Shao