Patents Examined by Berteau Joisil
-
Patent number: 11770556Abstract: A method for processing an intra prediction mode includes: determining whether an intra prediction mode of each neighboring block in multiple neighboring blocks of a current block is applicable to the current block; and obtaining multiple mapped intra prediction modes of the current block according to a result of the determining, if it is determined that an intra prediction mode of a neighboring block is applicable to the current block, setting the intra prediction mode of the neighboring block as a mapped intra prediction mode of the current block, and if it is determined that the intra prediction mode of the neighboring block is not applicable to the current block, setting a specific intra prediction mode as the mapped intra prediction mode of the current block.Type: GrantFiled: December 14, 2020Date of Patent: September 26, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Yongbing Lin, Xiaozhen Zheng
-
Patent number: 11765449Abstract: A system for repeatably mounting an image sensor to a grid ceiling comprising: a mounting member defining an upper face; a set of magnets fixed to the upper face and characterized by a height greater than a protrusion distance of the outer surface of a ceiling tile of the grid ceiling below a grid segment of the grid ceiling; a detachable registration feature transiently coupled to the mounting member, configured to align with the grid ceiling while the set of magnetics are magnetically coupled to the grid ceiling, configured to adhere to the grid ceiling while the set of magnets are magnetically coupled to the grid ceiling, and configured to detach from the upper face and remain adhered to the grid ceiling in response to vertical displacement of the mounting member away from the grid ceiling.Type: GrantFiled: November 23, 2020Date of Patent: September 19, 2023Assignee: VergeSense, Inc.Inventors: Kelby Green, Dan Ryan, John Stefanski
-
Patent number: 11758124Abstract: A method for video processing is provided to include: determining, based on an inheritance rule, whether to use a local illumination compensation (LIC) mode for a conversion between a current block of a video region of a video and a coded representation of the video, and performing the conversion based on the determining. The LIC mode includes using a linear model of illumination changes in the current block during the conversion. The inheritance rule specifies to inherit a use of the LIC mode from a base merge candidate of an ultimate motion vector expression (UMVE) mode, and the UMVE mode includes using a motion vector expression that includes a base merge candidate and motion vector differences utilized to refine the motion information of the base merge candidate.Type: GrantFiled: April 14, 2021Date of Patent: September 12, 2023Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Yue Wang
-
Patent number: 11741634Abstract: A method and Video-Based Point Cloud Compression (V-PCC) decoder for synchronization of decoded frames before point cloud reconstruction is provided. A V-PCC bit-stream which includes encoded frames associated with a point cloud sequence is received. Sub-streams of the received V-PCC bit-stream are decoded by a group of video decoders of the V-PCC decoder to generate V-PCC components, such as an attribute component, a geometry component, an occupancy map component, and an atlas component. A release of the attribute component, the geometry component, the occupancy map component, and the atlas component to the reconstruction unit is delayed based on a first output delay, a second output delay, a third output delay, and a fourth output delay, respectively. The delayed release synchronizes the attribute component, the geometry component, the occupancy map component, and the atlas component with each other before the reconstruction unit reconstructs a point cloud based on the V-PCC components.Type: GrantFiled: October 8, 2020Date of Patent: August 29, 2023Assignee: SONY GROUP CORPORATIONInventors: Danillo Graziosi, Alexandre Zaghetto, Ali Tabatabai, Vladyslav Zakharchenko
-
Patent number: 11736683Abstract: A method of video decoding includes checking one or more video blocks in pre-defined relative positions compared to a first video block to derive a first set of candidates, wherein each of the first set of candidates is derived from corresponding motion information of the video blocks checked, checking, upon a determination that a number of the first set of candidates has not reached a predetermined limit, one or multiple tables to derive a second set of candidates, and processing the first video block based on a bitstream representation of the first video block and the constructed candidate list.Type: GrantFiled: June 3, 2021Date of Patent: August 22, 2023Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
-
Patent number: 11736682Abstract: Provided are a video decoding method and apparatus which, during video encoding and decoding processes, determine whether a current block is in contact with an upper boundary of a largest coding unit including the current block, when it is determined that the current block is in contact with the upper boundary of the largest coding unit, determine an upper reference line of the current block as one reference line, when it is determined that the current block is not in contact with the upper boundary of the largest coding unit, determine the upper reference line of the current block based on N reference lines, and use the determined upper reference line.Type: GrantFiled: July 11, 2019Date of Patent: August 22, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Narae Choi, Minsoo Park, Minwoo Park, Seungsoo Jeong, Kiho Choi, Woongil Choi, Anish Tamse, Yinji Piao
-
Patent number: 11736708Abstract: Aspects of the disclosure include methods, apparatuses, and non-transitory computer-readable storage mediums for video encoding/decoding. An apparatus includes processing circuitry that decodes prediction information of a coding unit in a video bitstream. The processing circuitry determines whether a luma block and a chroma block associated with the coding unit have different partitioning trees based on the prediction information. When the luma block and the chroma block have different partitioning trees, the processing circuitry determines whether the luma block is coded in intra block copy (IBC) mode based on a first IBC flag included in the prediction information. The processing circuitry determines whether the chroma block is coded in the IBC mode based on one of the first IBC flag, a second IBC flag included in the prediction information, and a default mode. The processing circuitry reconstructs the current coding unit based on the luma block and the chroma block.Type: GrantFiled: September 1, 2021Date of Patent: August 22, 2023Assignee: TENCENT AMERICA LLCInventors: Liang Zhao, Xin Zhao, Shan Liu
-
Patent number: 11722673Abstract: Provided is a video decoding method including: obtaining, from a bitstream, intra prediction mode information indicating an intra prediction mode of a current block; determining an interpolation filter set to be used in prediction of the current block, based on at least one of a size of the current block and the intra prediction mode indicated by the intra prediction mode information; determining a reference location to which a current sample of the current block refers according to the intra prediction mode; determining, in the interpolation filter set, an interpolation filter that corresponds to the reference location; determining a prediction value of the current sample, according to reference samples of the current block and the interpolation filter; and reconstructing the current block, based on the prediction value of the current sample.Type: GrantFiled: June 11, 2019Date of Patent: August 8, 2023Assignee: SAMSUNG ELEOTRONICS CO., LTD.Inventors: Narae Choi, Minwoo Park, Minsoo Park, Seungsoo Jeong, Kiho Choi, Woongil Choi, Anish Tamse, Yinji Piao
-
Patent number: 11722711Abstract: A method of data conditioning is disclosed that in one aspect includes receiving a data stream and encoding into the data stream information representing a boundary of a content fragment, wherein the boundary is independent of a group of pictures structure of the data stream.Type: GrantFiled: December 24, 2019Date of Patent: August 8, 2023Assignee: Comcast Cable Communications, LLCInventors: Yasser F. Syed, Paul D. Egenhofer
-
Patent number: 11722661Abstract: Aspects of the disclosure provide methods and an apparatus for video decoding. In some embodiments, the apparatus for video decoding includes processing circuitry. The processing circuitry decodes at least one syntax element from a coded video bitstream. The at least one syntax element is indicative of a block size of a non-square block under reconstruction that has a rectangular shape. The block size includes a first size in a first dimension and a second size in a second dimension. The first size is different from the second size. The processing circuitry predicts a sample of the non-square block based on a first set of intra prediction directions for the non-square block. The first set of intra prediction directions does not include at least one of a second set of intra prediction directions for a square block.Type: GrantFiled: August 14, 2020Date of Patent: August 8, 2023Assignee: Tencent America LLCInventors: Shan Liu, Stephan Wenger, Xin Zhao, Xiang Li, Liang Zhao
-
Patent number: 11710259Abstract: A method and device for decoding a point cloud using octree partitioning and a predictive tree include obtaining the point cloud. A bounding box of the point cloud is determined. Octree nodes are generated by partitioning the bounding box using octree partitioning. The predictive tree is generated for points in at least one octree node of the octree nodes. A transform is applied to the predictive tree. The points in the at least one octree node are decoded using the predictive tree.Type: GrantFiled: November 13, 2020Date of Patent: July 25, 2023Assignee: TENCENT AMERICA LLCInventors: Xiang Zhang, Wen Gao, Shan Liu
-
Patent number: 11703482Abstract: An inventive approach is disclosed to integrate Digital Image Correlation (DIC) with the Acoustic Emission method that may be used for structural health monitoring and assessment of critical structural components in civil, mechanical, and aerospace industries. The inventive approach relies on passively recording acoustic emission across the specimen being tested and activating the DIC cameras automatically to measure deformation on the specimen's surface. The resulting acousto-optic system can be used to determine damage initiation, progressive damage development, identify critical regions and make lifetime predictions of the tested specimen.Type: GrantFiled: June 7, 2021Date of Patent: July 18, 2023Assignee: Drexel UniversityInventors: Antonios Kontsos, Ivan Bartoli, Prashanth Abraham Vanniamparambil
-
Patent number: 11695943Abstract: A three-dimensional data encoding method is a method of encoding three-dimensional points each having an attribute information item. The three-dimensional data encoding method includes: assigning each of the three-dimensional points to any one of layers; encoding the attribute information item of each three-dimensional point using the layers; and encoding information indicating a total number of three-dimensional points belonging to each of the layers.Type: GrantFiled: December 3, 2020Date of Patent: July 4, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventor: Toshiyasu Sugio
-
Patent number: 11689723Abstract: A method for inverse quantization of a current block of a picture is provided. The method is performed by a decoder, and the picture comprises a luminance component and a chrominance component, where the luminance component and the chrominance component are partitioned into multiple blocks. The method includes obtaining one or more existing quantization parameter (QP) values from a received bitstream, wherein the one or more existing QP values are associated with a current block in the chrominance component; determining a QP value for the current block in the chrominance component based on the one or more existing QP values; performing inverse quantization on the current block in the chrominance component using the determined QP value.Type: GrantFiled: March 19, 2021Date of Patent: June 27, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Roman Igorevich Chernyak, Alexander Alexandrovich Karabutov, Sergey Yurievich Ikonin, Timofey Mikhailovich Solovyev, Haitao Yang, Jianle Chen, Yin Zhao
-
Patent number: 11677971Abstract: Aspects of the disclosure provide a method and an apparatus including processing circuitry for video decoding. The processing circuitry can decode coding information of a transform block (TB) from a coded video bitstream. The coding information can indicate a transform skip in one direction for the TB. The processing circuitry can decode a sign value of a current transform coefficient in the TB based on a previously decoded sign value of a previous transform coefficient. The current transform coefficient and the previous transform coefficient can be in one of a same row and a same column in the TB. The one of the same row and the same column can be along the one direction of the transform skip. The processing circuitry can determine the current transform coefficient in the TB based on the decoded sign value of the current transform coefficient.Type: GrantFiled: June 4, 2021Date of Patent: June 13, 2023Assignee: Tencent America LLCInventors: Madhu Peringassery Krishnan, Xin Zhao, Shan Liu
-
Patent number: 11671615Abstract: An encoder includes circuitry and memory. Using the memory, the circuitry: in an inter prediction mode in which an affine motion vector is calculated for each of sub-blocks constituting a current block of a picture in the video, based on motion vectors of neighboring blocks of the current block, changes a shape or size of the sub-block according to a variation in direction or variation in magnitude among the motion vectors of the neighboring blocks; calculates the affine motion vector for the sub-block having the shape or size changed; and performs the motion compensation for the sub-block having the shape or size changed.Type: GrantFiled: December 10, 2020Date of Patent: June 6, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Tadamasa Toma, Takahiro Nishi, Kiyofumi Abe
-
Patent number: 11659163Abstract: A video encoding/decoding device according to the present invention may determine an intra prediction mode of a current block on the basis of a most probable mode (MPM) of the current block or an intra prediction mode of a neighboring block, determine a reference region for intra prediction of the current block, and perform intra prediction on the current block by using the intra prediction mode and the reference region.Type: GrantFiled: December 11, 2019Date of Patent: May 23, 2023Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITYInventors: Jong Ki Han, Sang Guk Cha, Geon Won Lee, Geun Bae Kim
-
Patent number: 11652994Abstract: Neural image compression with adaptive intra-prediction is performed by at least one processor and includes receiving an optimal partition and a compressed representation of an input comprising a first set of blocks, for each block in the first set of blocks, receiving a block selection signal indicating one of a first recovered block and a second recovered block as a currently recovered block, and based on the received block selection signal, performing one of a first recovery and a second recovery, and merging the currently recovered blocks to obtain a reconstructed image. The first recovery comprises compute the first recovered block based on a respective block in the first set of blocks directly. The second recovery comprises generating a recovered residual based on a computed residual, partitioning the first predicted block and adding the recovered residual to obtain the second recovered block.Type: GrantFiled: September 29, 2021Date of Patent: May 16, 2023Assignee: TENCENT AMERICA LLCInventors: Wei Jiang, Wei Wang, Ding Ding, Shan Liu, Xiaozhong Xu
-
Patent number: 11638027Abstract: The techniques described herein relate to methods, apparatus, and computer readable media configured to receive compressed video data, wherein the compressed video data is related to a set of frames. A decoder-side predictor refinement technique is used to calculate a new motion vector for a current frame from the set of frames, wherein the new motion vector estimates motion for the current frame based on one or more reference frames. An existing motion vector associated with a different frame from a motion vector buffer is retrieved. The new motion vector is calculated based on the existing motion vector using a decoder-side motion vector prediction technique, such that the existing motion vector is in the motion vector buffer after calculating the new motion vector.Type: GrantFiled: August 7, 2017Date of Patent: April 25, 2023Assignee: HFI Innovation, Inc.Inventors: Tzu-Der Chuang, Ching-Yeh Chen, Chih-Wei Hsu, Yu-Wen Huang
-
Patent number: 11627262Abstract: A handheld computing device comprises a display comprising an array of pixels illuminated by a plurality of visible light sources, and a plurality of infra-red light sources interleaved between the visible light sources, the IR light sources being actuable to emit diffuse IR light with a first intensity. A camera has an image sensor comprising an array of pixels responsive to infra-red light and a lens assembly with an optical axis extending from the image sensor through the surface of the display. A dedicated illumination source is located outside the display and is actuable to emit infra-red light with a second greater intensity. A processor is configured to switch between an iris region processing mode in which a subject is illuminated at least by the dedicated light source and a face region processing mode in which a subject is illuminated by the plurality of IR light sources.Type: GrantFiled: November 4, 2019Date of Patent: April 11, 2023Inventors: Piotr Stec, Petronel Bigioi, Istvan Andorko