Block Or Macroblock (epo) Patents (Class 375/E7.176)
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Patent number: 11743005Abstract: A method and apparatus for indication of resource ports in a communication system, the method including: receiving at least one measurement resource from a second wireless communication node in a communication system; determining at least one overlapping resource between the at least one measurement resource and a first plurality of resource sets; and determining at least one muting resource set in the first plurality of resource sets, wherein the at least one muting resource set comprises the at least one overlapping resource.Type: GrantFiled: October 15, 2020Date of Patent: August 29, 2023Assignee: ZTE CORPORATIONInventors: Xing Liu, Feng Bi, Weimen Xing
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Patent number: 11741994Abstract: An image capture device for recording HDR (high dynamic range) image data obtained through image capture performs control so as to, when encoding HDR image data obtained by capturing an image with an image sensor, divide part of the HDR image data corresponding to a coding area to be encoded into a plurality of divided HDR image data, encode each of the plurality of divided HDR image data by using encoding means, and record the plurality of divided HDR image data that are encoded on a recording medium in a predetermined recording format.Type: GrantFiled: March 22, 2022Date of Patent: August 29, 2023Assignee: Canon Kabushiki KaishaInventors: Hidenobu Akiyoshi, Toru Kobayashi, Akihiro Tanabe
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Patent number: 11736721Abstract: A method and device for encoding and a method and device for decoding a signal including encoded data representing an image sub-divided into blocks, and information representing a correction block and a residual block. For a current block of the image, a first pixel is encoded from a prediction value obtained for the first pixel from at least one pixel of a previously rebuilt block. The prediction is corrected using at least one value of a pixel of the correction block. At least one current pixel of the current block is encoded from a prediction value obtained for the current pixel from at least one previously corrected pixel of the current block. The prediction is corrected by using at least one value of a pixel of the correction block, delivering a prediction block for the current block. The residual block is computed from the current block and the predictive block.Type: GrantFiled: December 23, 2021Date of Patent: August 22, 2023Assignee: ORANGEInventors: Felix Henry, Mohsen Abdoli
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Patent number: 11729400Abstract: Sample data and metadata related to spatial regions in images may be received from a coded video signal. It is determined whether specific spatial regions in the images correspond to a specific region of luminance levels. In response to determining the specific spatial regions correspond to the specific region of luminance levels, signal processing and video compression operations are performed on sets of samples in the specific spatial regions. The signal processing and video compression operations are at least partially dependent on the specific region of luminance levels.Type: GrantFiled: May 28, 2021Date of Patent: August 15, 2023Assignee: DOLBY LABORATORIES LICENSING CORPORATIONInventors: Peng Yin, Guan-Ming Su, Taoran Lu, Tao Chen, Walter J. Husak
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Patent number: 11706534Abstract: An imaging system including an imaging device 501 and a recording server 502 communicatively connected to the imaging device 501, wherein the imaging device 501 includes an imaging unit 503 that generates a video with a plurality of resolution, a dividing unit 504 that performs a division process of dividing the video generated by the imaging unit 503 into one or a plurality of tile areas and generates a tile image, and a transmission unit 506 that transmits the video to the recording server 502, wherein the recording server 502 includes a division control unit 507 that outputs an instruction to change a division method for the division process to the imaging device according to a designation frequency of an area designated on the video transmitted from the imaging device 501.Type: GrantFiled: August 1, 2022Date of Patent: July 18, 2023Assignee: CANON KABUSHIKI KAISHAInventor: Takeo Umesawa
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Patent number: 11706415Abstract: Still frame detection for single pass video data, including: determining that an average quantization parameter of a frame of video data falls below a quantization parameter threshold; determining whether an amount of skipped macroblocks in the frame meets a skipped macroblock threshold; and responsive to the amount of skipped macroblocks exceeding the skipped macroblock threshold, identifying the frame as a still frame.Type: GrantFiled: December 28, 2020Date of Patent: July 18, 2023Assignees: ADVANCED MICRO DEVICES, INC., ATI TECHNOLOGIES ULCInventors: Mehdi Semsarzadeh, Jiao Wang, Yao Wen Yu, Edward Harold, Richard E. George
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Patent number: 11700392Abstract: A method for decoding a video according to the present invention may comprise: determining an intra prediction mode of a current block, deriving reference samples from neighboring samples of the current block, obtaining a first prediction sample for the current block, based on the intra prediction mode and the reference samples, determining an offset for the first prediction sample, and obtaining a second prediction sample by applying the offset to the first prediction sample.Type: GrantFiled: November 17, 2021Date of Patent: July 11, 2023Assignee: KT CORPORATIONInventor: Bae Keun Lee
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Patent number: 11677936Abstract: A prediction method, apparatus, and a computer storage medium for decoding, the method includes: acquiring reference samples adjacent to at least one side of a decoding block; determining a reference point from the at least one side and determining reference sample positions to be selected corresponding to the at least one side according to a preset number of samples; selecting reference samples corresponding to the reference sample positions to be selected from the reference samples based on the reference sample positions to be selected; and performing prediction decoding on the decoding block based on the selected reference samples.Type: GrantFiled: February 22, 2022Date of Patent: June 13, 2023Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventors: Junyan Huo, Yanzhuo Ma, Shuai Wan, Fuzheng Yang, Xinwei Li
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Patent number: 11665371Abstract: A method for deriving a value for a first syntax element, Syntax_A. The method comprises determining whether Syntax_A is present in a bitstream. The method comprises, as a result of determining that Syntax_A is not present in the bitstream, deriving the value for Syntax_A to be equal to a first value, B, if a first condition is satisfied, or deriving the value for Syntax_A to be equal to a second value, C, if a second condition is satisfied.Type: GrantFiled: September 28, 2022Date of Patent: May 30, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Rickard Sjöberg, Martin Pettersson, Mitra Damghanian, Jacob Ström, Zhi Zhang, Kenneth Andersson, Jack Enhorn
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Patent number: 11636626Abstract: An image providing apparatus configured to generate, by using a first artificial intelligence (AI) network, AI metadata including class information and at least one class map, in which the class information includes at least one class corresponding to a type of an object among a plurality of predefined objects included in a first image and the at least one class map indicates a region corresponding to each class in the first image, generate an encoded image by encoding the first image, and output the encoded image and the AI metadata through the output interface.Type: GrantFiled: November 20, 2020Date of Patent: April 25, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sangwook Baek, Minsu Cheon, Yongsup Park, Jaeyeon Park, Kwangpyo Choi
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Patent number: 11632543Abstract: A video signal processing method comprises: a step for deriving an intra prediction mode of a current block; a step for constructing a reference sample around the current block; a step for generating a prediction sample of the current block by using the reference sample on the basis of the intra prediction mode; and a step for restoring the current block on the basis of the prediction sample. The step for generating the prediction sample may comprise: a step for setting a filter flag value which specifies a filter coefficient of an interpolation filter applied to the reference sample on the basis of the width and height of the current block; and a step for performing filtering on the reference sample by using the interpolation filter having the filter coefficient specified by the filter flag.Type: GrantFiled: May 28, 2021Date of Patent: April 18, 2023Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.Inventors: Geonjung Ko, Dongcheol Kim, Juhyung Son, Jaehong Jung, Jinsam Kwak
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Patent number: 11627309Abstract: An image encoding device and a method, and an image decoding device and a method that are designed to improve encoding efficiency in IntraBC. A screen is divided into four slices (Slices #0 through #3). In a case where reference to a different slice is prohibited, the range that can be referred to from the current CTU in Slice #2 is only the decoded portion in Slice #2, and therefore, any block in Slice #1 cannot be referred to, for example. In the case of the present technology, on the other hand, decoded different slices (Slice #0 and Slice #1) are included in the referable range, and accordingly, a block in Slice #1 can be referred to from the current CTU in Slice #2.Type: GrantFiled: May 28, 2021Date of Patent: April 11, 2023Assignee: SONY GROUP CORPORATIONInventor: Ohji Nakagami
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Patent number: 11616962Abstract: An apparatus includes processing circuitry configured to decode coding information of a current block from a coded video bitstream. The coding information can indicate that a first prediction mode of the current block is one of a plurality screen content coding (SCC) tools. The processing circuitry can determine whether at least one loop filter associated with the current block is disabled based on at least one of the first prediction mode of the current block and a first quantization parameter (QP) of the current block. In response to the at least one loop filter being determined as disabled, the processing circuitry can reconstruct the current block without the at least one loop filter.Type: GrantFiled: July 13, 2020Date of Patent: March 28, 2023Assignee: TENCENT AMERICA LLCInventors: Xiaozhong Xu, Shan Liu, Xiang Li
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Patent number: 11582479Abstract: A method and apparatus for reduction of reference data transfer and coding efficiency improvement. The method includes performing pre-analysis on a decimated version of an image, and utilizing the predictions of the pre-analysis to transfer smaller reference area.Type: GrantFiled: July 5, 2012Date of Patent: February 14, 2023Assignee: TEXAS INSTRUMENTS INCORPORATEDInventor: Hyung Joon Kim
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Patent number: 11568572Abstract: A computer-implemented method comprises receiving a first compressed representation of a texture map in a first compression format, wherein the first compressed representation has been compressed using a first compressor, and receiving an array of compression parameters for a second compressor, the array of compression parameters including one or more respective compression parameters for each of a plurality of pixel regions of the texture map. The method further comprises decompressing the first compressed representation of the texture map to obtain the texture map, and compressing, using the second compressor, the texture map to a second compressed representation in a second compression format, comprising compressing each of said plurality of pixel regions of the texture map in accordance with the respective one or more compression parameters.Type: GrantFiled: March 2, 2021Date of Patent: January 31, 2023Assignee: ELECTRONIC ARTS INC.Inventors: Graham Wihlidal, John Hable
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Patent number: 11567767Abstract: A system for processing gather and scatter instructions can implement a front-end subsystem, a back-end subsystem, or both. The front-end subsystem includes a prediction unit configured to determine a predicted quantity of coalesced memory access operations required by an instruction. A decode unit converts the instruction into a plurality of access operations based on the predicted quantity, and transmits the plurality of access operations and an indication of the predicted quantity to an issue queue. The back-end subsystem includes a load-store unit that receives a plurality of access operations corresponding to an instruction, determines a subset of the plurality of access operations that can be coalesced, and forms a coalesced memory access operation from the subset. A queue stores multiple memory addresses for a given load-store entry to provide for execution of coalesced memory accesses.Type: GrantFiled: July 30, 2020Date of Patent: January 31, 2023Assignees: MARVELL ASIA PTE, LTD., CRAY INC.Inventors: Harold Wade Cain, III, Rabin Andrew Sugumar, Nagesh Bangalore Lakshminarayana, Daniel Jonathan Ernst, Sanyam Mehta
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Patent number: 11563964Abstract: Aspects of the disclosure include methods, apparatuses, and non-transitory computer-readable storage mediums for video encoding/decoding. An apparatus includes processing circuitry that determines reconstructed samples of a first color component in a filter support region of a current picture that is a part of a coded video sequence. The processing circuitry performs a filter process on the reconstructed samples of the first color component in the filter support region. A quantization step size of the filter process is separately set per one of a coding block, a video frame, and a video sequence. The processing circuitry reconstructs samples of a second color component in the filter support region based on an output value of the filter process. The second color component is different from the first color component.Type: GrantFiled: June 28, 2021Date of Patent: January 24, 2023Assignee: TENCENT AMERICA LLCInventors: Yixin Du, Xin Zhao, Shan Liu
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Patent number: 11546620Abstract: An encoded bitstream of entropy encoded video data is received by a video decoder. The encoded bitstream represents syntax elements of a sequence of coding blocks. The sequence of coding blocks is recovered by processing a bin sequences associated with each coding block in a processing pipeline, wherein a defined amount of time is allocated to process each coding block in the processing pipeline. The encoded bitstream is arithmetically decoded to produce each bin sequence. The arithmetic decoder is time-wise decoupled from the processing pipeline by storing a plurality of the bin sequences in a buffer memory.Type: GrantFiled: February 1, 2021Date of Patent: January 3, 2023Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Madhukar Budagavi, Mehmet Umut Demircin
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Patent number: 11528481Abstract: Techniques and tools for encoding enhancement layer video with quantization that varies spatially and/or between color channels are presented, along with corresponding decoding techniques and tools. For example, an encoding tool determines whether quantization varies spatially over a picture, and the tool also determines whether quantization varies between color channels in the picture. The tool signals quantization parameters for macroblocks in the picture in an encoded bit stream. In some implementations, to signal the quantization parameters, the tool predicts the quantization parameters, and the quantization parameters are signaled with reference to the predicted quantization parameters. A decoding tool receives the encoded bit stream, predicts the quantization parameters, and uses the signaled information to determine the quantization parameters for the macroblocks of the enhancement layer video. The decoding tool performs inverse quantization that can vary spatially and/or between color channels.Type: GrantFiled: August 17, 2021Date of Patent: December 13, 2022Assignee: Microsoft Technology Licensing, LLCInventors: Shankar Regunathan, Shijun Sun, Chengjie Tu, Chih-Lung Lin
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Patent number: 11438618Abstract: The present disclosure provides embodiments for coding and decoding signs of transformation coefficients which is applicable, for instance, in image and/or video coding and decoding. In particular, a plurality of the signs are predicted and only a prediction error signal is embedded in the bitstream. The prediction error signal may have a distribution which can be efficiently coded with CABAC or another variable length (entropy) coding. In order to perform the prediction of the signs efficiently, the signs of a plurality of coefficients of a transformed image block are predicted based on a cost function including transformed difference between adjacent pixels neighboring the transformed image block and prediction of the adjacent pixels calculated based on a prediction signal of the image block.Type: GrantFiled: September 4, 2020Date of Patent: September 6, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Alexey Konstantinovich Filippov, Alexander Alexandrovich Karabutov, Vasily Alexeevich Rufitskiy
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Patent number: 11397586Abstract: Systems and methods for compression and/or unification of statistical analysis system (SAS) data is provided. In one embodiment, a request to open a unified and compressed statistical analysis system (SAS) view file is received. The unified and compressed SAS data step view file including: an SAS data step view; compressed payload data to be used in the SAS data step view when decompressed; and a set of metadata describing characteristics of variables of the SAS data step view. Upon receiving the request, the compressed payload data is automatically decompressed, such that compressed payload data is decompressed and usable with the SAS data step view to render the SAS data step view and decompressed payload data on an electronic display of a client or host providing the request.Type: GrantFiled: September 4, 2020Date of Patent: July 26, 2022Assignee: United Services Automobile Association (USAA)Inventor: Glen Alan Becker
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Patent number: 11341211Abstract: Aspects for vector operations in neural network are described herein. The aspects may include a vector caching unit configured to store a first vector and a second vector, wherein the first vector includes one or more first elements and the second vector includes one or more second elements. The aspects may further include one or more adders and a combiner. The one or more adders may be configured to respectively add each of the first elements to a corresponding one of the second elements to generate one or more addition results. The combiner may be configured to combine a combiner configured to combine the one or more addition results into an output vector.Type: GrantFiled: October 26, 2018Date of Patent: May 24, 2022Assignee: CAMBRICON TECHNOLOGIES CORPORATION LIMITEDInventors: Jinhua Tao, Tian Zhi, Shaoli Liu, Tianshi Chen, Yunji Chen
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Patent number: 11018691Abstract: Methods and systems for storing data include compressing data inflated from a first compression format into a second format using a processor and verifying contents of the data concurrently with compressing the data. Compression is aborted responsive to a failure of the content verification, but an output of the compression is stored to a tape drive until the compression is aborted. The tape drive is rolled back to a file start position after the compression is aborted and compression of any remaining uncompressed data is skipped after the compression is aborted. The data is stored to the tape drive after rolling the tape drive back.Type: GrantFiled: July 17, 2019Date of Patent: May 25, 2021Assignee: International Business Machines CorporationInventor: Takeshi Ogasawara
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Patent number: 8958633Abstract: An input image is partitioned into a plurality of image regions based on color and color differences. The partitioning comprises assigning a color difference value to plurality of locations within the input image. The partitioning further comprises assigning each of the plurality of locations to an image region of the plurality of image regions, where the assigning occurs according to a particular order. The particular order is based at least in part on color difference values associated with the plurality of locations. The input image may comprise markup. Data representing at least a particular portion of the markup in the input image based on the partitioning is identified. Data representing at least the portion of the markup may be used in a visualization of a customizable product or a manufacturing control associated with a customizable product.Type: GrantFiled: March 11, 2014Date of Patent: February 17, 2015Assignee: Zazzle Inc.Inventor: Young Harvill
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Patent number: 8908981Abstract: An apparatus and a method for motion vector encoding/decoding, and to an apparatus and a method for image encoding/decoding using same are provided. The apparatus includes a selector of optimal predicted motion vector PMV from candidate motion vector set of current block; a determiner of motion vector prediction mode of current block with selected motion vector prediction mode from multiple motion vector prediction modes by decision criterion prearranged with motion vector decoding apparatus; and an encoder for determining, by determined motion vector prediction mode, optimal PMV or default predicted motion vector into PMV for current motion vector, encoding differential vector between the current block and PMV, and selectively encoding/outputting determined motion vector prediction mode as encoded motion vector prediction mode by the determined motion vector prediction mode.Type: GrantFiled: March 18, 2013Date of Patent: December 9, 2014Assignee: SK Telecom Co., Ltd.Inventors: Sunyeon Kim, Byeungwoo Jeon, Jungyoup Yang, Kwanghyun Won, Joohee Moon, Yunglyul Lee, Haekwang Kim
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Patent number: 8537890Abstract: In one aspect, there is provided a video decoder including a first write port to write uncompressed video data to a first buffer in a first format adapted based on a format required by the video decoder. The video decoder also includes a second write port to write uncompressed video data to a second buffer in a second format adapted to provide the uncompressed video data for subsequent processing external to the video decoder.Type: GrantFiled: March 23, 2007Date of Patent: September 17, 2013Assignee: ATI Technologies ULCInventors: Greg Sadowksi, Wai Ki Lo, Haibo Liu, Stephen Edward Smith
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Patent number: 8155191Abstract: There are provided video encoders and corresponding methods for performing fast mode decision of B-frames. A video encoder for encoding video data for a B slice that is divisible into macroblocks includes an encoder (OO) for performing mode selection when encoding a current macroblock in the B slice by counting a number of neighboring macroblocks in the B slice coded in a DIRECT mode, and only checking one of the DIRECT MODE or a 16×16 mode for the current macroblock when the number of neighboring macroblocks coded in the DIRECT mode exceeds a predetermined threshold.Type: GrantFiled: November 2, 2005Date of Patent: April 10, 2012Assignee: Thomson LicensingInventors: Xiaoan Lu, Peng Yin, Jill MacDonald Boyce
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Patent number: 7885335Abstract: A method of creating a variable-shaped block in a target image includes generating an initial pattern of target blocks, identifying allowable combinations of target blocks, calculating a combination value for each allowable combination, using the combination value to select one of the allowable combinations, and performing the selected allowable combination to create a variable-shaped block.Type: GrantFiled: September 16, 2005Date of Patent: February 8, 2011Assignees: Sont Corporation, Sony Electronics Inc.Inventors: Zhourong Miao, James J. Carrig, Marco Paniconi