Patents Examined by Berteau Joisil
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Patent number: 11616989Abstract: The present invention relates to an entropy encoding method, an entropy decoding method and to an apparatus using same. The entropy decoding method includes: a step of decoding a bin of a syntax element; and a step of acquiring information on the syntax element based on the decoded bin. In the step of decoding the bin, context-based decoding or bypass decoding is performed for each bin of the syntax element.Type: GrantFiled: October 19, 2020Date of Patent: March 28, 2023Assignee: LG ELECTRONICS INC.Inventors: Jae Hyun Lim, Seung Wook Park, Yong Joon Jeon, Chul Keun Kim, Young Hee Choi, Jung Sun Kim, Nae Ri Park, Hendry Hendry, Byeong Moon Jeon, Joon Young Park
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Patent number: 11611750Abstract: Concepts for transform coefficient block coding are described which enable coding of coefficients of a transform block in a manner suitable for dependent quantization and effectively implementable by entropy coding in terms of coding efficiency.Type: GrantFiled: December 24, 2020Date of Patent: March 21, 2023Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Heiko Schwarz, Phan Hoang Tung Nguyen, Detlev Marpe, Thomas Wiegand
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Patent number: 11601662Abstract: A method of decoding a stream of encoded data the method comprising, at a decoder: receiving an encoded dataset comprising multiple tiles; receiving a data structure, said data structure indicative of the amount of data required to encode a plurality of tiles; identifying a portion of the encoded dataset to be decoded by: identifying the tiles associated with the portion to be decoded; determining the location of data related to the tiles based on the amount of data required to encode said tiles; extracting the identified portion of the encoded dataset from the encoded dataset; and decoding said identified portion of the encoded data set.Type: GrantFiled: December 6, 2018Date of Patent: March 7, 2023Inventors: Ivan Makeev, Balazs Keszthelyi, Stergios Poularakis, Michele Sanna, Robert Ettinger
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Patent number: 11589043Abstract: A method, computer program, and computer system is provided for partitioning encoded video data. Data corresponding to a video frame is received, and the video frame data may be divided the video frame data into one or more subunits. These subunits may each have unique address values and be arranged in increasing order based on the unique address values. A left boundary and a top boundary associated with each of the subunits may include one or more of a picture boundary or a boundary of previously decoded subunit.Type: GrantFiled: June 22, 2020Date of Patent: February 21, 2023Assignee: TENCENT AMERICA LLCInventors: Byeongdoo Choi, Shan Liu, Stephan Wenger
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Patent number: 11582483Abstract: A three-dimensional data encoding method includes: shifting point cloud data indicating three-dimensional positions in a three-dimensional space by a first shift amount; dividing the point cloud data into pieces of sub point cloud data; shifting each of the pieces of sub point cloud data by a second shift amount based on a position of one of the subspaces that includes the sub point cloud data, the pieces of sub point cloud data being included in the point cloud data shifted by the first shift amount; and encoding the pieces of sub point cloud data shifted, to generate a bitstream. The bitstream includes first shift information for calculating the first shift amount, and pieces of second shift information each for calculating a corresponding one of second shift amounts by which the pieces of sub point cloud data are shifted and each of which is the second shift amount.Type: GrantFiled: June 17, 2021Date of Patent: February 14, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Noritaka Iguchi, Toshiyasu Sugio
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Patent number: 11570456Abstract: A method to be performed by a receiving apparatus for decoding an encoded bitstream representing a sequence of pictures of a video stream is provided. In the method, capabilities relating to level of decoding parallelism for the decoder are identified, a parameter indicative of the decoder's capabilities relating to level of decoding parallelism is kept, and for a set of levels of decoding parallelism, information relating to HEVC profile and HEVC level that the decoder is capable of decoding is kept. A method for encoding a bitstream representing a sequence of pictures of a video stream is also provided. In the method, a parameter is received from a transmitting apparatus that should decode the encoded bitstream.Type: GrantFiled: September 18, 2020Date of Patent: January 31, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Jonatan Samuelsson, Bo Burman, Rickard Sjöberg, Magnus Westerlund
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Patent number: 11553213Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus for video decoding includes processing circuitry. The processing circuitry can receive coded information of pictures in a coded video sequence. The coded information can include a coding tree unit (CTU) size information that indicates a CTU size selected for the pictures. The CTU size information can be encoded using a truncated unary code. The processing circuitry can determine the selected CTU size based on the CTU size information encoded using the truncated unary code. The processing circuitry can reconstruct samples in the pictures based on the selected CTU size. The selected CTU size can be 32×32, 64×64, or 128×128 luma samples.Type: GrantFiled: July 28, 2020Date of Patent: January 10, 2023Assignee: Tencent America LLCInventors: Yixin Du, Xin Zhao, Xiang Li, Shan Liu
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Patent number: 11539973Abstract: A method for processing a video signal comprises the steps of: obtaining, from the video signal, an intra sub-partitions (ISP) mode flag indicating whether the ISP mode is applied to a current block; when the ISP mode is applied to the current block, obtaining, from the video signal, an ISP partitioning flag indicating a partitioning direction of the current block; partitioning the current block into a plurality of transform blocks on the basis of the partitioning direction; generating residual blocks of the transform blocks by performing an inverse transformation on each of the transform blocks; and restoring the current block on the basis of the residual blocks.Type: GrantFiled: May 11, 2021Date of Patent: December 27, 2022Assignee: HUMAX CO., LTD.Inventors: Jaehong Jung, Juhyung Son, Dongcheol Kim, Geonjung Ko, Jinsam Kwak
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Patent number: 11539939Abstract: Video processing methods and apparatuses for processing a current block in a current picture include receiving input data of the current block, determining a reference picture, determining whether picture sizes of the current and reference pictures are different, determining whether horizontal wraparound motion compensation is enabled for predicting the current block, performing motion compensation for the current block to obtain a reference block from the reference picture, and encoding or decoding the current block according to the reference block. Horizontal wraparound motion compensation is disabled when the picture sizes of the current and reference pictures are different.Type: GrantFiled: November 25, 2020Date of Patent: December 27, 2022Assignee: HFI Innovation Inc.Inventors: Chih-Yao Chiu, Chun-Chia Chen, Chih-Wei Hsu, Ching-Yeh Chen, Yu-Wen Huang, Tzu-Der Chuang
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Patent number: 11509934Abstract: A method and apparatus for video coding incorporating enhanced multiple transform (EMT) are disclosed. According to one method, the number of candidates for EMT in the horizontal direction or vertical direction is reduced depending on the current block size. According to another method, an EMT flag, one or more EMT indices or both are signalled only if the total number of non-zero coefficients in at least a part of the 2D coefficient block is greater than a threshold, where the threshold is equal to 1 or larger. A method and apparatus for video coding using non-separable secondary transform (NSST) are disclosed. According to this method, a total number of non-zero first coefficients in a partial block of the 2D coefficient block is determined and used to determine whether to apply the NSST process.Type: GrantFiled: March 13, 2018Date of Patent: November 22, 2022Assignee: HFI INNOVATION INC.Inventors: Ching-Yeh Chen, Tzu-Der Chuang, Yu-Wen Huang
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Patent number: 11483558Abstract: Systems and methods for coding and decoding are provided. A method includes receiving a coded video stream including a picture partitioned into a plurality of sub-pictures, and further including adaptive resolution change (ARC) information that is signaled directly within a header of a sub-picture from among the plurality of sub-pictures, or that is signaled directly within a parameter set without any of the ARC information within the parameter set being referenced in any header or other parameter set, or that is provided within the parameter set and referenced in the header; and adaptively changing resolution of the sub-picture based on the ARC information.Type: GrantFiled: June 16, 2020Date of Patent: October 25, 2022Assignee: TENCENT AMERICA LLCInventors: Byeongdoo Choi, Shan Liu, Stephan Wenger, Iraj Sodagar
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Patent number: 11454795Abstract: The disclosure features methods and systems that include positioning a surface of a coverslip overlying a sample relative to an object plane of a microscope system, projecting a two-dimensional pattern of light onto the surface, where a focal plane of the two-dimensional pattern at a position of the surface is rotated by an angle ? relative to the object plane, obtaining a two-dimensional image of the pattern of light reflected from the surface using a detector that includes an imaging sensor oriented perpendicular to a direction of propagation of the reflected pattern of light at the sensor, analyzing the image to determine a line of best focus of the pattern within the image, determining an offset of the line of best focus from an expected position of the line of best focus within the image, and determining a position adjustment of the surface based on the offset.Type: GrantFiled: December 11, 2017Date of Patent: September 27, 2022Assignee: Akoya Biosciences, Inc.Inventors: Russell Gershman, Peter J. Miller, Olavi Ollikainen
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Patent number: 11457230Abstract: A video decoder is configured to decode a plurality of video frames which are subdivided into a set of one or more slices. The decoder evaluates slice type information indicating whether a slice is encoded using an independent coding mode having no prediction of video content of a current frame on the basis of a video content of a previous frame, or using a single-predictive mode having a prediction of a block of pixels on the basis of one block of pixels of a previous frame, or using a bi-predictive mode having a prediction of a block of pixels on the basis of two or more blocks of pixels of one or more previous frames, to select a mode of operation for decoding a slice. The video decoder includes an arithmetic decoder for providing a decoded binary sequence on the basis of an encoded representation of the binary sequence.Type: GrantFiled: September 29, 2020Date of Patent: September 27, 2022Assignee: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.Inventors: Jan Stegemann, Heiner Kirchhoffer, Detlev Marpe, Heiko Schwarz, Thomas Wiegand
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Patent number: 11438627Abstract: A method in a rate adaptive system includes categorizing, by an encoder, a plurality of clusters of data in a segmented image into one of a plurality of categories corresponding to a different predetermined label with a predetermined priority level; vectorizing, by the encoder, the data to generate a sparse vector xi for its corresponding label; encoding, by the encoder, a plurality of the sparse vectors xi by multiplying a measurement matrix Ai(t) with the sparse vector xi to generate a set of encoded information yi; transmitting, by the encoder to the decoder, the plurality of sets of the encoded information yi in a prioritized order; decoding, by the decoder, the plurality of sets of encoded information yi to determine the plurality of the sparse vectors xi based on determining measurement matrix Ai(t); and uniting the plurality of the sparse vectors xi into a single image frame.Type: GrantFiled: December 22, 2020Date of Patent: September 6, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Joseph Kampeas, Ronit Bustin, Eran Kishon
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Patent number: 11431910Abstract: A method of controlling one or more z-cameras from a set of cameras to obtain image streams capturing an object of interest; it includes receiving position data and object data corresponding to the object of interest; determining a subset of the one or more z-cameras having a zone of potential coverage comprising the object of interest; computing the relative position of the object of interest with respect to the center of the field of view of the z-camera; computing a zoom factor calculated by determining a narrowest field of view angle of the z-camera that encompasses the object of interest; and generating transmission commands for the subset of the one or more z-cameras based on the computed zoom factor.Type: GrantFiled: September 5, 2019Date of Patent: August 30, 2022Inventors: Alexandre Berton, Christophe Fauconnet
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Patent number: 11422148Abstract: Apparatus for generating a two-dimensional illumination pattern of light beams, including: controller; a micromirror array; illuminator; collector; and a microlens array; wherein the controller is configured for tilting the micromirrors such that in the Fourier plane of the collector, intensity maxima of light collected by the collector can be generated, wherein the intensity maxima are each allocated to one of the microlenses, wherein from the respectively generated intensity maximum one of the light beams is generated by the respectively allocated microlens.Type: GrantFiled: April 28, 2016Date of Patent: August 23, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventor: Christoph Skupsch
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Patent number: 11418800Abstract: A three-dimensional data encoding method of encoding three-dimensional points each having an attribute information item includes: classifying each of the three-dimensional points into any of layers including a first layer and a second layer; and arithmetic-encoding an attribute information item of a current three-dimensional point among the three-dimensional points with reference to a first encoding table when the current three-dimensional point is at the first layer, and with reference to a second encoding table not dependent on the first encoding table when the current three-dimensional point is at the second layer.Type: GrantFiled: December 4, 2020Date of Patent: August 16, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Toshiyasu Sugio, Noritaka Iguchi
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Patent number: 11418811Abstract: A method for decoding an image according to the present invention may comprise the steps of: deriving a residual coefficient of a current block; dequantizing the residual coefficient; deriving a common residual signal by performing inverse transform of the dequantized residual coefficient; and deriving a first residual signal of a first chroma component and a second residual signal of a second chroma component on the basis of the common residual signal.Type: GrantFiled: March 12, 2020Date of Patent: August 16, 2022Assignee: Apple Inc.Inventor: Bae Keun Lee
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Patent number: 11418787Abstract: A video decoder can be configured to determine a predicted luma quantization parameter (QP) for a luma component of a coding unit; receive, in the bitstream of encoded video data, first syntax indicating a luma delta QP value for the luma component; determine a QP value for the luma component based on the predicted luma QP and the luma delta QP value; determine a predicted chroma QP for a chroma component of the coding unit; receive, in the bitstream of encoded video data, second syntax indicating a chroma delta QP value for the chroma component of the coding unit; and determine a QP value for the chroma component of the coding unit based on the predicted chroma QP and the chroma delta QP value.Type: GrantFiled: June 25, 2020Date of Patent: August 16, 2022Assignee: QUALCOMM IncorporatedInventors: Yu Han, Geert Van der Auwera, Muhammed Zeyd Coban, Wei-Jung Chien, Yung-Hsuan Chao, Alican Nalci, Marta Karczewicz
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Patent number: 11418707Abstract: According to one embodiment, an electronic device includes one or more processors. The one or more processors obtain an image captured by a camera with a filter having a first area transmitting light of a first wavelength range and a second area transmitting light of a second wavelength range. The image includes a first color-component image based on the light of the first wavelength range and a second color-component image based on the light of the second wavelength range. The one or more processors notify a user of an effective area for calculation of depth information based on a bias of color information in the first color-component image and the second color-component image.Type: GrantFiled: March 5, 2019Date of Patent: August 16, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Tatsuo Kozakaya, Nao Mishima, Akihisa Moriya, Jun Yamaguchi, Tomoya Tsuruyama, Takayuki Sasaki