Patents Examined by Young Lee
  • Patent number: 11272230
    Abstract: There is provided a transmission apparatus including circuitry and a transmitter. The circuitry is configured to generate a video stream that switches between transmission video data of a plurality of types. The plurality of types of the transmission video data has different opto-electronic conversion characteristics. The circuitry is configured to insert conversion characteristic information into a multiplexed stream that includes the video stream. The conversion characteristic information indicates the type of one of the transmission video data included in the video stream. The circuitry is configured to insert display switch information of a switching picture into the video stream. The transmitter is configured to transmit the multiplexed stream that includes the video stream.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: March 8, 2022
    Assignee: SONY CORPORATION
    Inventor: Ikuo Tsukagoshi
  • Patent number: 11244463
    Abstract: A scalable tracking system includes a camera subsystem, a weight subsystem, and a central server. The camera subsystem includes cameras that capture video of a space, camera clients that determine local coordinates of people in the captured videos, and a camera server that determines the physical positions of people in the space based on the determined local coordinates. The weight subsystem determines when items were removed from shelves. The central server determines which person in the space removed the items based on the physical positions of the people in the space and the determination of when items were removed.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: February 8, 2022
    Assignee: 7-ELEVEN, INC.
    Inventors: Sailesh Bharathwaaj Krishnamurthy, Sarath Vakacharla, Trong Nghia Nguyen, Shahmeer Ali Mirza, Madan Mohan Chinnam, Caleb Austin Boulio, Deepanjan Paul, Fahad Mirza
  • Patent number: 11212501
    Abstract: A portable device includes a display module, an image capture module, and an eye-tracking module. The image capture module is used to capture images steadily. The eye-tracking module is used to track a user's viewpoint position relative to the portable device. Viewport within the images captured by the image capture module is adjusted in accordance with the user's viewpoint position for generating modified images displayed on the display module instantaneously. The modified images shown on the display module can fit the background scene seen by the user, and the augmented reality experience on the portable device may be improved accordingly.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: December 28, 2021
    Inventor: Sung-Yang Wu
  • Patent number: 11178424
    Abstract: An embodiment of an adaptive video encoder may include technology to determine headset-related information including at least one of focus-related information and motion-related information, and determine one or more video encode parameters based on the headset-related information. Other embodiments are disclosed and claimed.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: November 16, 2021
    Assignee: Intel Corporation
    Inventors: Yunbiao Lin, Changliang Wang, Ce Wang, Yongfa Zhou, Bo Zhao, Ping Liu, Jianwei Yang, Zhan Lou, Yu Yang, Yating Wang, Wenyi Tang, Bo Qiu
  • Patent number: 11102517
    Abstract: An apparatus for decoding video data receives a bitstream including a coding tree unit (CTU) of encoded video data and split information related to the CTU of the video data, determines a coding block to be decoded, determines a prediction partition mode for the coding block corresponding to the leaf node of the tree split structure among a plurality of prediction partition modes using mode type information included in the bitstream, the plurality of prediction partition modes including at least one prediction partition mode allowing the coding block to be predicted by being split into two equal-sized triangles of the same size, and decodes the coding block corresponding to the leaf node according to the determined prediction partition mode.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: August 24, 2021
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Jae-seob Shin, Se-hoon Son, Sun-young Lee
  • Patent number: 11070826
    Abstract: A second level intra prediction mode can be combined with one or more of sixty-seven JVET intra prediction modes during encoding of a coding unit in a video bitstream. Embodiments include making a position dependent intra prediction combination (PDPC) mode available as the second level intra prediction mode. In embodiments, when a PDPC (position dependent intra prediction combination) mode is enabled, the second level intra prediction is combined with one of the 67 selected intra predictor modes. In embodiments, the PDPC mode is only enabled or available for a predetermined subset of intra prediction modes (out of 67 possible modes), in order to reduce encoder complexity and potentially improve coding efficiency. The PDPC mode may be identifies as enabled or available by a list of modes or signaling in the video bitstream.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: July 20, 2021
    Assignee: ARRIS Enterprises LLC
    Inventors: Krit Panusopone, Seungwook Hong, Limin Wang
  • Patent number: 11051034
    Abstract: Systems and techniques for processing video data include a history-based motion vector predictor (HMVP) table with two or more HMVP candidates, where a first entry of the HMVP table associated with a first index value includes a first HMVP candidate and a second entry of the HMVP table associated with a second index value includes a second HMVP candidate, the first index value being lower than the second index value. For an advanced motion vector prediction (AMVP) candidate list, one or more HMVP candidates from the HMVP table are selected in a reverse order, where the second HMVP candidate is selected before the first HMVP candidate according to the reverse order. The selected one or more HMVP candidates are added to the AMVP candidate list. The AMVP candidate list can be used to perform AMVP for the one or more blocks of video data.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: June 29, 2021
    Assignee: Qualcomm Incorporated
    Inventors: Yu Han, Wei-Jung Chien, Han Huang, Chao-Hsiung Hung, Marta Karczewicz
  • Patent number: 11044492
    Abstract: A method of video decoding performed in a video decoder is provided. A bit stream including bins of syntax elements is received. The syntax elements correspond to coefficients of a region of a transform skipped block in a coded picture. The syntax elements include a first flag indicating whether an absolute coefficient level of one of the coefficients is greater than a first threshold value, and a second flag indicating a parity of the absolute coefficient level. The second flag is decoded in a pass. The pass satisfies at least one of: (1) no other syntax elements is decoded in the pass; (2) a third flag indicating whether the absolute coefficient level is greater than a second threshold value is decoded in the pass; and (3) a fourth flag indicating sign information of the coefficient level of the one of the coefficients is decoded in the pass.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: June 22, 2021
    Assignee: Tencent America LLC
    Inventors: Xin Zhao, Xiang Li, Shan Liu
  • Patent number: 10992962
    Abstract: A coding distortion removing method is provided for removing coding distortion in two adjacent blocks located on both sides of a block boundary between the two adjacent blocks in a reconstructed image. The method includes deriving a difference of pixel values between a pixel in a first block of the reconstructed image and a pixel in a second block of the reconstructed image adjacent to the first block, deriving an average value of the first quantization parameter and the second quantization parameter, and setting a threshold value to the average value of the first quantization parameter and the second quantization parameter. The method also includes comparing the difference of pixel values with the threshold value, and removing a coding distortion in an area disposed on both sides of the block boundary between the first block and the second block, by applying a filter for coding distortion removal.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: April 27, 2021
    Assignee: GODO KAISHA IP BRIDGE 1
    Inventors: Zhong Xue, Sheng Mei Shen, Teck Wee Foo, Chak Joo Lee, Shinya Kadono
  • Patent number: 10965954
    Abstract: A picture coding and decoding method includes a picture coding method for coding an input picture and a picture decoding method for decoding coded picture data. The picture coding method includes dividing the input picture into blocks, coding the input picture on a block basis, decoding the coded data of each block on a block basis, removing coding distortion in an area disposed on both sides of a block boundary, each block being adaptively decoded either as a field structure block or a frame structure block, and storing the reconstructed picture as a reference picture. The picture decoding method includes decoding the coded picture data to obtain a reconstructed picture, removing coding distortion in an area disposed on both sides of a block boundary, each block being adaptively decoded either as a field structure block or a frame structure block, and storing the reconstructed picture as a reference picture.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: March 30, 2021
    Assignee: GODO KAISHA IP BRIDGE 1
    Inventors: Shinya Kadono, Sheng Mei Shen, Teck Wee Foo, Chak Joo Lee, Zhong Xue
  • Patent number: 10944988
    Abstract: A method and apparatus of processing multimedia data that includes a first section received in error are disclosed. Error distribution information corresponding to the first section may be obtained. One of a plurality of error recovery schemes may be selected based on the error distribution information for the first section. The selection may be based at least on whether a channel switch is detected. The first section may be processed based on the selected error recovery scheme.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: March 9, 2021
    Assignee: Qualcomm Incorporated
    Inventors: Fang Shi, Seyfullah Halit Oguz, Sumeet Singh Sethi, Vijayalakshmi R. Raveendran
  • Patent number: 10939134
    Abstract: A picture coding method provides coding an input picture. The method includes dividing the input picture into a plurality of blocks, coding the input picture on a block basis to obtain coded data of each block, and decoding the coded data of each block on a block basis to obtain a reconstructed picture having a plurality of blocks. The method also includes removing coding distortion in an area disposed on both sides of a block boundary between a first block and an adjacent second block in the reconstructed picture having the plurality of blocks. Each block is adaptively decoded either as a field structure block, including only even field pixels or only odd field pixels, or a frame structure block, including odd field pixels and even field pixels. The method further includes storing the reconstructed picture, for which coding distortion is removed, as a reference picture.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: March 2, 2021
    Assignee: GODO KAISHA IP BRIDGE 1
    Inventors: Shinya Kadono, Sheng Mei Shen, Teck Wee Foo, Chak Joo Lee, Zhong Xue
  • Patent number: 10834383
    Abstract: When video quality is assessed, a proportion of a damaged data caused by packet loss in a video frame in which the damaged data is located is considered, and other factors are also considered, such as a position of the damaged data in the video frame and impact of a scene in which the video frame is located on the video frame or a video frame located after the video frame. Therefore, accuracy of quality assessment is higher.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 10, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jie Xiong, Youqing Yang, Yihong Huang
  • Patent number: 10547851
    Abstract: Disclosed are methods for coding and decoding at picture layer and slice layer, and corresponding coder and decoder. The method comprises: coder selecting, according to network transmission state and video characteristic, different constrained loop filter (CLF) and/or constrained intra-prediction (CIP) control modes for one of the following three objects: 1: different video sequences; 2: pictures in different periods in the same video sequence; 3: different slices in the same picture; according to the selected CLF and/or CIP control mode, coding CLF and/or CIP control flag bits in picture layer parameter set and slice layer parameter set; and a decoder parsing slice layer bitstream containing header information, picture layer parameter set and/or slice layer parameter set, and according to the obtained CLF and/or CIP control flag bits, decoding picture and slice by using the corresponding CLF and/or CIP control mode.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: January 28, 2020
    Assignee: ZTE Corporation
    Inventors: Ming Li, Ping Wu
  • Patent number: 10542261
    Abstract: Techniques and systems are provided for decoding video data. For example, a method of decoding video data includes receiving, by a decoding device, an encoded video bitstream generated according to a first coding protocol, and determining that a base layer is to be provided to the decoding device as part of an external bitstream that is different from the received encoded video bitstream. The external bitstream is provided to the decoding device by an external source and is not provided as part of the encoded video bitstream. The base layer is encoded using a second coding protocol that is different from the first coding protocol. The method further includes determining to ignore a profile, tier, and level syntax structure assigned to the base layer in the video parameter set in response to determining the base layer is to be provided to the decoding device as part of an external bitstream.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: January 21, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Ye-Kui Wang, Fnu Hendry, Adarsh Krishnan Ramasubramonian
  • Patent number: 10425576
    Abstract: A drone including a flying unit configured to generate a lift force for flying; a communication unit configured to receive sensing data obtained in a mobile terminal from the mobile terminal; a camera configured to capture a specific object; and a controller configured to recognize at least one of a movement change of the specific object and a status change of the specific object based on the received sensing data, change a capturing composition of the specific object based on the recognized at least one of the movement change and the status change, and capture the specific object via the camera based on the changed capturing composition.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: September 24, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Minjae Kim, Hokyun Kang
  • Patent number: 10404990
    Abstract: An apparatus for coding video information according to certain aspects includes a memory and a processor configured to: determine a value of a first flag indicative of whether preceding pictures that precede a current picture in a current layer in decoding order are used for temporal motion vector prediction (TMVP) of subsequent pictures that follow the current picture in the current layer in decoding order, the first flag associated with the current picture; and refrain from using the preceding pictures in the current layer as reference pictures for TMVP of the current picture, in response to determining that the value of the first flag indicates that the preceding pictures in the current layer should not be used for TMVP of the subsequent pictures in the current layer.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: September 3, 2019
    Assignee: Qualcomm Incorporated
    Inventors: Fnu Hendry, Adarsh Krishnan Ramasubramonian, Ye-Kui Wang
  • Patent number: 10297008
    Abstract: Methods, systems, and computer programs for improving compressed image chroma information. In one aspect of the invention, a resolution for a red color component of a color video image is used that is higher than the resolution for a blue color component of the color video image. Another aspect includes utilizing a lower or higher value of a quantization parameter (QP) for one or more chroma channels as compared to the luminance channel. Another aspect is use of a logarithmic representation of a video image to benefit image coding. Another aspect uses more than two chroma channels to represent a video image.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: May 21, 2019
    Assignee: Dolby Laboratories Licensing Corporation
    Inventor: Gary A. Demos
  • Patent number: 10225577
    Abstract: The present invention presents fully noncausal predictive encoding and decoding methods for image, video and other signal coding. The presented noncausal predictive image coding methods largely reduce the prohibitive computational cost of the prior invention. The presented noncausal signal encoding method comprises: (1) splitting the source signal into a plurality of noncausal coding units; (2) extending each noncausal coding unit with the selected extension type; and (3) encoding each noncausal coding unit with the selected intra-unit noncausal predictor and intra-unit noncausal predictive encoding method.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: March 5, 2019
    Inventor: Shidong Chen
  • Patent number: 10178386
    Abstract: An image decoding apparatus that includes a motion compensation prediction circuit configured to conduct motion compensation prediction for each of blocks to be decoded by using the reconstructed image, an inverse transformation circuit configured to conduct inverse orthogonal transformation for the data of the blocks to be decoded, and a determination circuit configured to determine a filtering strength and whether or not to conduct filtering, with respect to each of the boundaries. In addition, the determining circuit is configured to determine filtering is conducted when at least one of the two adjacent blocks is intra-coded, and filtering is not conducted when both of the two adjacent blocks are not intra-coded, a non-zero transformation coefficient is not coded in both of the two adjacent blocks, the two adjacent blocks are predicted by the same reference frame, and an absolute value of a difference between motion vectors of the two adjacent blocks is smaller than a specified threshold value.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: January 8, 2019
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Shijun Sun, Shawmin Lei, Hiroyuki Katata