Abstract: An imager assembly including calibration functionality and a housing. An imager is disposed inside the housing. The imager includes a lens assembly. An electro-optic element is disposed on a wall of the housing and operable between a substantially clear condition and a substantially darkened condition. A light source directs light at the electro-optic element which redirects the light toward the lens assembly.
Type:
Grant
Filed:
September 15, 2021
Date of Patent:
August 29, 2023
Assignee:
GENTEX CORPORATION
Inventors:
Benjamin B. Hilldore, Tom B. Sherman, Kurtis L. Geerlings, Adam R. Heintzelman, Keith W. Bigoness, Donald L. Bareman, Joshua D. Lintz
Abstract: A control device includes circuitry configured to: acquire an operation command through voice input to an imaging device including: an image sensor; and an optical system including a focus lens; and proceed to a mode for performing control to return a position of the focus lens such that a focus position of the focus lens is returned, from a focus position at a time of stoppage of the focus lens, by an amount of return equal to or less than a reference focal depth in the optical system when the operation command is a command to stop operation of the focus lens.
Abstract: An example method of video processing includes determining, for a conversion between a current picture of a video and a coded representation of the video, a position of a reference sample in a reference picture that is associated with the current picture based on a top-left position of a window of a picture. The picture includes at least the current picture or the reference picture, and the window is subject to a processing rule during the conversion. The method also includes performing the conversion based on the determining.
Type:
Grant
Filed:
March 18, 2022
Date of Patent:
August 29, 2023
Assignees:
BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
Inventors:
Kai Zhang, Li Zhang, Hongbin Liu, Zhipin Deng, Jizheng Xu, Yue Wang
Abstract: A method for decoding a video signal based on reduced transform includes the steps of: obtaining, from the video signal, a transform index indicating transform kernels applied to horizontal and vertical directions of a current block; determining a region in which a transform is applied to the current block based on the transform kernels indicated by the transform index and a size of the current block; deriving, as zero, coefficients of a remaining region other than the region to which the transform is applied within the current block; and performing an inverse transform on the region to which the transform is applied using the transform kernels indicated by the transform index.
Type:
Grant
Filed:
December 15, 2021
Date of Patent:
August 15, 2023
Assignee:
LG ELECTRONICS INC.
Inventors:
Moonmo Koo, Seunghwan Kim, Mehdi Salehifar, Jaehyun Lim
Abstract: A method implemented by a video coding apparatus. The method includes selecting a neural network (NN) filter model from a plurality of NN filter model candidates for each video unit. The NN filter model selected for a first video unit is different than the NN filter model selected for a second video unit. The method also includes converting between a video media file and a bitstream based on the one or more NN filter models selected for the video unit. A corresponding video coding apparatus and non-transitory computer readable medium are also disclosed.
Abstract: Devices, systems and methods for video processing are described. An example method for video processing includes determining, for a conversion between a current block of a video and a bitstream representation of the video, a number of intra-coded neighboring blocks of the current block for a combined inter and intra prediction mode according to a rule that specifies a manner of treating a block coded using a palette coding mode in counting the number of intra-coded neighboring blocks for the combined inter and intra prediction mode. The method also includes performing the conversion based on the determining.
Type:
Grant
Filed:
January 27, 2022
Date of Patent:
July 25, 2023
Assignees:
BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
Inventors:
Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu, Yue Wang
Abstract: An image sensor device includes two or more image sensor arrays (or two or more regions of an image sensor array) and a low-power processor in a same package for capturing two or more images of an object, such as an eye of a user, using light in two or more wavelength bands, such as visible band, near-infrared band, and short-wave infrared band. The image sensor device includes one or more lens assemblies and/or a beam splitter for forming an image of the object on each of the two or more image sensor arrays. The image sensor device also includes one or more filters configured to select light from multiple wavelength bands for imaging by the respective image sensor arrays.
Type:
Grant
Filed:
March 1, 2021
Date of Patent:
July 25, 2023
Assignee:
QUALCOMM Incorporated
Inventors:
Jon Lasiter, Ravindra Vaman Shenoy, Ravishankar Sivalingam, Russell Gruhlke, Donald William Kidwell, Khurshid Syed Alam, Kebin Li
Abstract: A method of video decoding includes maintaining a number of tables, wherein each table includes a set of motion candidates, wherein each motion candidate is associated with corresponding motion information derived from previously video blocks, performing a conversion between a video block and a coded representation of the video block, and determining, based on a conversion condition of the video block, whether to update at least one of the tables by adding motion information corresponding to the video block.
Type:
Grant
Filed:
July 7, 2021
Date of Patent:
July 4, 2023
Assignees:
BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
Inventors:
Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
Abstract: The present invention provides a multi-viewpoint video image viewing system that allows a viewer to view a multi-viewpoint video content and removes in advance video images in which hands are hidden as a video image candidate. A first invention of the present application selects video images to be displayed on a video image display section in advance and presents the selected video images to a viewer by causing an information processing apparatus to perform hand-target image recognition on motion image (video image) data that includes image data captured with a plurality of video cameras and a frame string disposed in a time region to select video images showing a hand or not to select video images showing no hand.
Abstract: A method of decoding video data includes determining that a current block of the video data is coded in palette mode, determining, between single tree or dual tree partitioning, that the current block is coded with single tree partitioning enabled, determining that the current block is coded in monochrome format, when the current block is coded with single tree partitioning enabled and when the current block is coded in monochrome format, determining that a number of color components used for palette mode decoding the current block is equal to one, and palette mode decoding the current block based on the determined number of color components used for palette mode decoding the current block being equal to one.
Type:
Grant
Filed:
December 23, 2020
Date of Patent:
June 20, 2023
Assignee:
QUALCOMM Incorporated
Inventors:
Yung-Hsuan Chao, Vadim Seregin, Marta Karczewicz
Abstract: A method for video processing is provided. The method includes determining, for a conversion between a current video block of a video that is a chroma block and a coded representation of the video, multiple sets of parameters, wherein each set of parameters defines a cross-component linear model (CCLM) and is derived from a corresponding group of chroma samples at corresponding chroma sample positions; determining, based on the multiple sets of parameters, parameters for a final CCLM; and performing the conversion based on the final CCLM.
Type:
Grant
Filed:
May 3, 2021
Date of Patent:
June 20, 2023
Assignees:
BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
Inventors:
Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
Abstract: An example device for decoding video data includes a memory configured to store video data; and one or more processors implemented in circuitry and configured to: generate an intra-prediction block for a current block of video data using an angular intra-prediction mode, the angular intra-prediction mode being an upper-right angular intra-prediction mode or a lower-left angular intra-prediction mode; determine a prediction direction of the angular intra-prediction mode; for at least one sample of the intra-prediction block for the current block: calculate a gradient term for the at least one sample along the prediction direction; and combine a value of an intra-predicted sample of the intra-prediction block at a position of the at least one sample of the intra-prediction block with the gradient term to produce a value of the at least one sample of the intra-prediction block; and decode the current block using the intra-prediction block.
Type:
Grant
Filed:
December 8, 2020
Date of Patent:
June 6, 2023
Assignee:
QUALCOMM Incorporated
Inventors:
Bappaditya Ray, Geert Van der Auwera, Vadim Seregin, Marta Karczewicz
Abstract: Devices, systems and methods for video processing are described. An example method for video processing includes determining, for a conversion between a current block of a video and a bitstream representation of the video, a number of intra-coded neighboring blocks of the current block for a combined inter and intra prediction mode according to a rule that specifies a manner of treating a block coded using a palette coding mode in counting the number of intra-coded neighboring blocks for the combined inter and intra prediction mode. The method also includes performing the conversion based on the determining.
Type:
Grant
Filed:
January 27, 2022
Date of Patent:
May 30, 2023
Assignees:
BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
Inventors:
Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu, Yue Wang
Abstract: A system for recording vehicle occupants and their immediate environment includes a driver-facing camera for capturing video data, an input that receives data from one or more sensors configured to detect vehicle related data and a processor. The processor is configured to embed, based on the sensor data, at least one indicator in a portion of the video data. The indicator designates that the portion of the video data is to be obscured during playback of the video data.
Type:
Grant
Filed:
June 15, 2022
Date of Patent:
May 23, 2023
Assignee:
Bendix Commercial Vehicle
Systems LLC
Inventors:
Andreas U. Kuehnle, Zheng Li, Hans M. Molin
Abstract: Provided is a medical observation system including a medical observation device and an image processing device. The medical observation device includes a plurality of imaging elements and a branching optical system configured to split incident light into a plurality of rays of light, and each of the plurality of rays of light split by the branching optical system is guided to at least one of the plurality of imaging elements. Of the plurality of imaging elements, two or more imaging elements each capture images having mutually different brightness, and two or more imaging elements are arranged so as to have mutually different optical distances from the branching optical system.
Abstract: An image encoding/decoding method and apparatus are provided. The image decoding method performed by the image decoding apparatus, according to the present disclosure, comprises the steps of: determining a current block by splitting an image on the basis of split information acquired from a bitstream; determining a quantization parameter of the current block; and determining a transform coefficient of the current block on the basis of the quantization parameter.
Type:
Grant
Filed:
April 27, 2022
Date of Patent:
May 16, 2023
Assignee:
LG ELECTRONICS INC.
Inventors:
Jie Zhao, Seung Hwan Kim, Hendry Hendry, Seethal Paluri
Abstract: An image processing apparatus obtains a first image of an object based on image capturing by an image capturing apparatus, obtains a parameter concerning a resolution of the first image, and generates a second image of the object having a resolution higher than the resolution of the first image in response to input of input data including the obtained first image and the obtained parameter.
Abstract: A method for decoding an image by a decoding device according to the present invention comprises the steps of: deriving, from a bit stream, transform coefficients of a block to be decoded; deriving residual samples of the block to be decoded, on the basis of a selective transform of the transform coefficients; and generating a reconstructed picture on the basis of the residual samples of the block to be decoded and prediction samples of the block to be decoded, wherein the selective transform is performed on the basis of a modified transform matrix, the modified transform matrix comprises a matrix including a modified basis vector, and the modified basis vector contains a certain number of elements selected from N elements.
Type:
Grant
Filed:
July 26, 2021
Date of Patent:
May 9, 2023
Assignee:
LG ELECTRONICS INC.
Inventors:
Mehdi Salehifar, Seunghwan Kim, Moonmo Koo, Jaehyun Lim, Seethal Paluri
Abstract: A method for video processing is provided. The method includes determining, for a conversion between a current video block of a video that is a chroma block and a coded representation of the video, multiple sets of parameters, wherein each set of parameters defines a cross-component linear model (CCLM) and is derived from a corresponding group of chroma samples at corresponding chroma sample positions; determining, based on the multiple sets of parameters, parameters for a final CCLM; and performing the conversion based on the final CCLM.
Type:
Grant
Filed:
May 3, 2021
Date of Patent:
May 2, 2023
Assignees:
BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
Inventors:
Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
Abstract: An image decoding method performed by a decoding device, according to the present document, comprises the steps of: deriving a chroma quantization parameter table on the basis of quantization parameter data; deriving a quantization parameter for combined chroma coding on the basis of the chroma quantization parameter table; deriving prediction samples of a current chroma block on the basis of prediction information; deriving transform coefficients of the current chroma block on the basis of residual information; deriving residual samples by dequantizing the transform coefficients on the basis of the quantization parameter; and generating a reconstructed picture on the basis of the prediction samples and the residual samples.
Type:
Grant
Filed:
December 9, 2021
Date of Patent:
April 25, 2023
Assignee:
LG Electronics Inc.
Inventors:
Seethal Paluri, Seunghwan Kim, Jie Zhao