Patents Examined by Jae N. Noh
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Patent number: 11653008Abstract: According to the disclosure of the present document, scaling list data transferred from an adaptation parameter set (APS) can be signaled through a hierarchical structure, and restrictions are placed on the scaling list data transferred from the APS, whereby the amount of data to be signaled for video/image coding can be reduced, and easiness in implementation can be provided.Type: GrantFiled: June 28, 2022Date of Patent: May 16, 2023Assignee: LG Electronics Inc.Inventors: Seethal Paluri, Seunghwan Kim, Jie Zhao
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Patent number: 11647202Abstract: An image decoding method performed by a decoding device, according to the present document, comprises the steps of: receiving a bitstream including residual information of a current block; deriving a specific number of context-encoding bins for context syntax elements for a current sub-block of the current block; decoding the context syntax elements for the current sub-block included in the residual information on the basis of the specific number; deriving transform coefficients for the current sub-block on the basis of the decoded context syntax elements; deriving residual samples for the current block on the basis of the transform coefficients; and generating a reconstructed picture on the basis of the residual samples.Type: GrantFiled: April 28, 2022Date of Patent: May 9, 2023Assignee: LG Electronics Inc.Inventors: Jungah Choi, Jaehyun Lim, Jin Heo, Sunmi Yoo, Ling Li, Jangwon Choi, Seunghwan Kim
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Patent number: 11641477Abstract: A method for video processing is described. The method includes performing a conversion between a video comprising one or more pictures comprising one or more subpictures comprising one or more slices and a bitstream representation of the video according to a rule, and wherein the bitstream representation includes a number of coded units, wherein the rule specifies that a decoding order of coded units within a subpicture is in an increasing order of subpicture level slice index values of the coded units.Type: GrantFiled: June 13, 2022Date of Patent: May 2, 2023Assignee: BYTEDANCE INC.Inventor: Ye-kui Wang
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Patent number: 11640718Abstract: A capturing device has a lens block that includes a lens for focusing light from a subject during a daytime, the subject includes a vehicle. The capturing device further includes an image sensor that captures an image based on light from the subject focused by the lens, and a processor that generates a face image of an occupant riding in the vehicle based on a first number of captured imaged of the subject which are captured by the image sensor at different times. The processor generates the face image of the occupant further based on a second number of captured images in which a luminance value of a region of interest is equal to or smaller than a threshold value among the first number of captured images of the subject.Type: GrantFiled: August 12, 2021Date of Patent: May 2, 2023Assignee: I-PRO CO., LTD.Inventors: Yuma Kobayashi, Tetsuo Tanaka, Toshiaki Ito, Shinichi Murakami, Michinori Kishimoto, Hiroshi Mitani, Jyouji Wada
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Patent number: 11638016Abstract: Approaches to selection of motion vector (“MV”) precision during video encoding are presented. These approaches can facilitate compression that is effective in terms of rate-distortion performance and/or computational efficiency. For example, a video encoder determines an MV precision for a unit of video from among multiple MV precisions, which include one or more fractional-sample MV precisions and integer-sample MV precision. The video encoder can identify a set of MV values having a fractional-sample MV precision, then select the MV precision for the unit based at least in part on prevalence of MV values (within the set) having a fractional part of zero. Or, the video encoder can perform rate-distortion analysis, where the rate-distortion analysis is biased towards the integer-sample MV precision. Or, the video encoder can collect information about the video and select the MV precision for the unit based at least in part on the collected information.Type: GrantFiled: July 2, 2021Date of Patent: April 25, 2023Assignee: Microsoft Technology Licensing, LLCInventors: Gary J. Sullivan, You Zhou, Chih-Lung Lin
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Patent number: 11638037Abstract: Systems, methods and apparatus for generating or parsing a visual media file according to a file format include performing a conversion between a visual media data and a visual media file that stores a bitstream of the visual media data according to a format rule. The visual media file stores multiple tracks that belong to an entity group of a specific type. The format rule specifies that, responsive to the multiple tracks having a track reference to a particular type to a group identifier, the multiple tracks (A) omit carrying a sample group of a specific type or (B) carry the sample group of the specific type such that information in the sample group of the specific type is consistent with that in the entity group of the specific type.Type: GrantFiled: September 13, 2021Date of Patent: April 25, 2023Assignee: LEMON INC.Inventor: Ye-Kui Wang
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Patent number: 11632551Abstract: An image decoding method according to the present document comprises the steps of: receiving a quantized transform coefficient for a target block and a transform index for a non-separable secondary transform; dequantizing the quantized transform coefficients to derive transform coefficients; deriving modified transform coefficients on the basis of a matrix operation of a transform kernel matrix in a transform set indicated by the transform index and a transform coefficient list corresponding to the magnitude of dequantized transform coefficients; clipping the modified transform coefficients to a predetermined range of values; and deriving residual samples for the target block on the basis of an inverse primary transform with respect to the modified transform coefficients clipped.Type: GrantFiled: January 28, 2022Date of Patent: April 18, 2023Assignee: LG Electronics Inc.Inventors: Moonmo Koo, Seunghwan Kim, Jaehyun Lim
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Patent number: 11622120Abstract: An example method of video processing includes performing a conversion between a video comprising one or more coding units and a bitstream representation of the video. The bitstream representation conforms to a format rule that specifies that chroma quantization parameters are included in the bitstream representation at a coding unit level or a transform unit level according to the format rule.Type: GrantFiled: April 14, 2022Date of Patent: April 4, 2023Assignee: BYTEDANCE INC.Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang
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Patent number: 11616959Abstract: A source quality of a source video and a source content complexity of the source video are identified. Parameter constraints with respect to parameters of an operation are received. The source video quality, source content complexity, and parameter constraints are applied to a deep neural network (DNN) producing DNN outputs. In an example, the DNN outputs are combined using domain knowledge to provide the filter parameters, as predicted, to a filter chain, such that applying the filter chain to the input source video results in an output video achieving the full reference video quality score. In another example, the DNN outputs are combined using domain knowledge to provide the filter parameters, as predicted, to a filter chain, such that applying the filter chain to the input source video results in an output video achieving the full reference video quality score.Type: GrantFiled: July 20, 2021Date of Patent: March 28, 2023Assignee: SSIMWAVE, Inc.Inventors: Christopher Vytautas Olekas, Peter Olijnyk, Jiheng Wang, Kai Zeng
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Patent number: 11611752Abstract: Systems, methods and apparatus for encoding or decoding a file format that stores one or more images are described. One example method includes performing a conversion between a visual media file and a bitstream of a visual media data according to a format rule, where the format rule specifies that first adaptation parameter set network abstraction layer units are disallowed from being simultaneously stored in in the visual media file in (1) any one or both of samples of video coding layer tracks or sample entries of the video coding layer tracks, and (2) samples of non-video coding layer tracks, where the video coding layer tracks are tracks containing video coding layer network abstraction layer units, and where the first adaptation parameter set network abstraction layer units includes luma mapping with chroma scaling parameters for a video stream and scaling list parameters for the video stream.Type: GrantFiled: September 15, 2021Date of Patent: March 21, 2023Assignee: LEMON INC.Inventor: Ye-Kui Wang
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Patent number: 11606558Abstract: Provided are an image encoding/decoding method and device. An image decoding method performed by an image decoding device according to the present disclosure includes the steps of: determining a quantization parameter of the current block on the basis of whether color space conversion is applied to a residual sample of the current block; determining a transform coefficient of the current block on the basis of the quantization parameter; determining the residual sample of the current block by using the transform coefficient; and resetting the value of the residual sample on the basis of whether the color space conversion is applied.Type: GrantFiled: April 27, 2022Date of Patent: March 14, 2023Assignee: LG ELECTRONICS INC.Inventors: Jie Zhao, Seung Hwan Kim, Hendry Hendry, Seethal Paluri
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Patent number: 11601652Abstract: A method of video processing is described. The method includes determining, for a conversion between a video region of a video and a coded representation of the video, an intra coding characteristic of the video region based on a color format of the video according to a rule; and performing the conversion according to the intra coding characteristic.Type: GrantFiled: March 2, 2022Date of Patent: March 7, 2023Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.Inventors: Jizheng Xu, Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang
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Patent number: 11594035Abstract: The invention relates to a monitoring device 1 for monitoring a man-overboard situation in a ship section 5, wherein the ship section 5 is monitored by video technology using at least one camera 2, and the camera 2 is designed to provide surveillance in the form of video data. The monitoring device comprises an analysis device 9, said analysis device 9 having an interface 10 for transferring the video data, and the analysis device 9 is designed to detect a moving object in the ship section 5 on the basis of the video data and determine a kinematic variable of the moving object. The analysis device 9 is also designed to determine a scale on the basis of the video data and the kinematic variable in order to determine the extent 8 of the moving object and evaluate the moving object as a man-overboard event on the basis of the extent 8 thereof.Type: GrantFiled: July 10, 2019Date of Patent: February 28, 2023Assignee: Robert Bosch GmbHInventors: Holger Fillbrandt, Thorsten Ike
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Patent number: 11589039Abstract: A video processing method includes determining, for a conversion between a current video block of a video including multiple video blocks and a coded representation of the video, and from types of reference pictures used for the conversion, applicability of a coding tool to the current video block and performing the conversion based on the determining. The method may be performed by a video decoder or a video encoder or a video transcoder.Type: GrantFiled: March 24, 2022Date of Patent: February 21, 2023Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.Inventors: Na Zhang, Hongbin Liu, Li Zhang, Kai Zhang, Yue Wang
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Patent number: 11589052Abstract: A method, computer program, and computer system are provided for video coding. Video data having one or more subpictures is received. Resampling parameters and spatial scalability parameters corresponding to the subpictures are extracted. The resampling and spatial scalability parameters correspond to one or more flags signaled in a parameter set associated with the video data The video data is decoded based on the extracted resampling and spatial scalability parameters.Type: GrantFiled: June 1, 2021Date of Patent: February 21, 2023Assignee: TENCENT AMERICA LLCInventors: Byeongdoo Choi, Stephan Wenger, Shan Liu
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Patent number: 11582456Abstract: Systems, methods and apparatus for encoding or decoding a file format that stores one or more images are described. One example method includes performing a conversion between a visual media file and a bitstream of a visual media data according to a format rule, where the format rule specifies that first adaptation parameter set network abstraction layer units are disallowed from being simultaneously stored in in the visual media file in (1) any one or both of samples of video coding layer tracks or sample entries of the video coding layer tracks, and (2) samples of non-video coding layer tracks, where the video coding layer tracks are tracks containing video coding layer network abstraction layer units, and where the first adaptation parameter set network abstraction layer units includes luma mapping with chroma scaling parameters for a video stream and scaling list parameters for the video stream.Type: GrantFiled: September 15, 2021Date of Patent: February 14, 2023Assignee: LEMON INC.Inventor: Ye-Kui Wang
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Patent number: 11582451Abstract: Methods, systems, and devices for coefficient scaling for high-precision image and video coding are described. A example method of video processing includes performing a conversion between a current block of a video and a bitstream representation of the video according to a rule, wherein the rule specifies that the conversion includes during encoding, skipping applying a forward transform to residual coefficients of the current block prior to including in the bitstream representation, or during decoding, reconstructing residual coefficients of the current block from the bitstream representation without applying an inverse transform, and wherein the rule further specifies that a scale factor is applied to the residual coefficients independent of a size of the current block.Type: GrantFiled: March 8, 2022Date of Patent: February 14, 2023Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.Inventors: Jizheng Xu, Kai Zhang, Li Zhang, Hongbin Liu, Zhipin Deng, Yue Wang
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Patent number: 11582488Abstract: A method performed by a decoder for decoding a bitstream comprising a picture parameter set, PPS, and a first set of slices. The method includes obtaining the picture parameter set. The method also includes decoding a syntax element included in the picture parameter set to obtain an indicator value. The decoder is configured such that if the indicator value is set to a first value then the decoder determines that a picture header included in the bitstream comprises a parameter value corresponding to a particular parameter, otherwise the decoder determines that each slice included in the first set of slices comprises a parameter value corresponding to the particular parameter. If the picture header comprises the parameter value corresponding to the particular parameter, then this parameter value is used to decode slice data of each slice included in the first set of slices.Type: GrantFiled: November 22, 2021Date of Patent: February 14, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Rickard Sjöberg, Martin Pettersson, Per Wennersten, Mitra Damghanian
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Patent number: 11575900Abstract: In a video coding device, a generation unit generates the prediction error signal from an input image, a transformation unit transforms the prediction error signal depending on a color space selected from among the plurality of color spaces, an adaptive chroma quantization offset derivation unit derives an adaptive chroma quantization offset, which is a parameter for adjusting a quantization parameter of a chroma component, for each of the plurality of color spaces, a quantization unit generates a quantization coefficient image based on the prediction error signal or the transformed prediction error signal by the transformation means, and an inverse quantization unit inverse-quantizes the quantization coefficient image by using the adaptive chroma quantization offset for the selected color space.Type: GrantFiled: May 10, 2021Date of Patent: February 7, 2023Assignee: NEC CORPORATIONInventor: Keiichi Chono
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Patent number: 11572015Abstract: A vehicular vision system includes a plurality of cameras disposed at a vehicle and capturing image data as the equipped vehicle is driven along a traffic lane of a road. Captured image data is processed to detect a rearward-approaching vehicle and determine a path of travel of the detected rearward-approaching vehicle. Responsive to determining that the path of travel of the detected rearward-approaching vehicle is along a side traffic lane adjacent to the traffic lane along which the equipped vehicle is driven, the vehicular vision system (i) displays at a video display screen video images derived at least from image data captured by the side camera that is at the side portion of the equipped vehicle that is adjacent to the side traffic lane and (ii) overlays a transparent graphic overlay overlaying the displayed video images that is based on the determined path of travel of the detected rearward-approaching vehicle.Type: GrantFiled: December 6, 2021Date of Patent: February 7, 2023Assignee: MAGNA ELECTRONICS INC.Inventors: Ghanshyam Rathi, Hilda Faraji, Nikhil Gupta, Christian Traub, Michael Schaffner, Goerg Pflug