Patents Examined by Jayanti K. Patel
  • Patent number: 11509892
    Abstract: A filter for video coding is provided, where the filter is configured for processing a block for generation of a filtered block, and the block comprises a plurality of pixels. The filter includes one or more processor configured to: scan, according to a predefined scan template, to obtain a current pixel of the block and its neighboring pixels of the current pixel; obtain spectrum components by performing transform for the current pixel and its neighboring pixels; obtain filtered spectrum components based on a filtering parameter and the spectrum components; obtain filtered pixels by performing inverse transform for the filtered spectrum components; and generate a filtered block based on the filtered pixels. The filter is provided allowing improving the efficiency for video coding.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: November 22, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Victor Alexeevich Stepin, Sergey Yurievich Ikonin, Roman Igorevich Chernyak, Jianle Chen, Dmitry Yurievich Kuryshev
  • Patent number: 11487097
    Abstract: A system and method for high resolution multi-fluorescence imaging with synchronized image acquisition amongst sensors can be used to simultaneously capture fluorescence signals from multiple fluorophores over extremely large fields of view. The system can include an array of micro-cameras, along with a particular arrangement of fluorescent filters that can be fixed in one location or moved to new locations.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: November 1, 2022
    Assignee: Ramona Optics Inc.
    Inventors: Jaehee Park, Mark Harfouche, Gregor Horstmeyer, Jed Doman, Paul Reamey
  • Patent number: 11483589
    Abstract: 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 non-separable quadratic transform; deriving transform coefficients by inversely quantizing the quantized transform coefficient; deriving corrected transform coefficients on the basis of a transform kernel matrix in a predetermined transform set indicated by the transform index; and deriving residual samples for the target block on the basis of inverse linear transform for the corrected transform coefficients, wherein when the target block is divided into a predetermined number of sub-blocks and is coded by intra prediction, the corrected transform coefficients are derived in units of the sub-blocks, and the transform index is received for the target block.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: October 25, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Moonmo Koo, Jaehyun Lim, Seunghwan Kim
  • Patent number: 11483551
    Abstract: Aspects of the disclosure provide a method and an apparatus for video coding. In some examples, the apparatus includes processing circuitry. The processing circuitry decodes prediction information of a current block in a current picture from a coded video bitstream and the prediction information is indicative of inter prediction. The processing circuitry determines, for the current block, motion information including a first motion vector (MV) that has a x component and a y component where each of the x and y components has a fractional MV precision that is 2?N of a sample size in the current block and has one of 2L+1 MV values with the fractional MV precision. N is an integer larger than 2 and L is a positive integer. The processing circuitry reconstructs at least one sample of the current block based on the motion information.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: October 25, 2022
    Assignee: TENCENT AMERICA LLC
    Inventors: Xiaozhong Xu, Xiang Li, Shan Liu
  • Patent number: 11483489
    Abstract: A medical control device includes circuitry configured to: control an autofocus operation on a captured image from an observation target illuminated with excitation light of a first wavelength band and a pattern image of a second wavelength band, the observation target fluorescing in response to the excitation light to output light in a third wavelength band. The captured image includes light components in the first to third wavelengths bands, of which the second and third wavelength bands are different. The autofocus operation is controlled by calculating, based on the pattern image of the second wavelength band in the captured image, an evaluation value used in an autofocus process that controls a focus position of an imaging device configured to generate the captured image.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: October 25, 2022
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Taihei Michihata
  • Patent number: 11483540
    Abstract: There is disclosed a method and corresponding systems for generating one or more video-based models of a target. The method understood providing video streams from at least two moving or movable vehicles equipped with cameras for simultaneously imaging the target from different viewpoints. Position synchronization of the moving or movable vehicles is provided to create a stable image base, which represents the distance between the moving or movable vehicles. Pointing synchronization of the cameras is provided to cover the same object and/or dynamic event. Time synchronization of the video frames of the video streams is provided to obtain, for at least one point in time, a set of simultaneously registered video frames. The method further included generating, for the at least one point in time, at least one three-dimensional, 3D.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: October 25, 2022
    Assignee: I-CONIC VISION AB
    Inventors: HÃ¥kan Wiman, Mikael Stern
  • Patent number: 11483539
    Abstract: A depth image generation apparatus is disclosed including a light source for generating light to be emitted toward an object in order to solve an SNR problem caused by resolution degradation and an insufficient amount of received light, while not increasing a light-emitting amount when photographing a remote object; a first optical system for emitting a dot pattern at the object, the light generated by the light source; an image sensor for receiving light reflected from the object and converting the light into an electrical signal; an image processor for acquiring depth data through the electrical signal; and a control unit connected to the light source, the first optical system, the image sensor and the image processor, where the control unit controls the first optical system so as to scan the object by moving the dot pattern in a preset pattern.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: October 25, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongho Cho, Hyojin Nam, Sangkeun Lee, Chansung Jeong
  • Patent number: 11461908
    Abstract: Disclosed are an image processing method and apparatus, and an image processing device. According to the image processing method and apparatus, and the image processing device, an infrared binocular camera collects images formed when a measured object is illuminated by a speckle pattern projected by a projection assembly to obtain a first image collected by a first camera and a second image collected by a second camera; and three-dimensional data of the measured object is determined according to a pair of images constituted by the first image and the second image. By means of the method, three-dimensional data of a measured object can be relatively accurately obtained through measurement, thereby improving precision and accuracy of measurement, and also precision requirements for a projection assembly are low, so that costs can be lowered.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: October 4, 2022
    Assignee: BEIJING KUANGSHI TECHNOLOGY CO., LTD.
    Inventors: Zhiri Cao, Mu Yang, Keqing Chen, Zhixian Liu, Yan Gao, Zhe Yang
  • Patent number: 11461929
    Abstract: A method for automated calibration is provided. The method may include obtaining a plurality of interest points based on prior information regarding a device and image data of the device captured by a visual sensor. The method may include identifying at least a portion of the plurality of interest points from the image data of the device. The method may also include determining a transformation relationship between a first coordinate system and a second coordinate system based on information of at least a portion of the identified interest points in the first coordinate system and in the second coordinate system that is applied to the visual sensor or the image data of the device.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: October 4, 2022
    Assignee: SHANGHAI UNITED IMAGING INTELLIGENCE CO., LTD.
    Inventors: Ziyan Wu, Srikrishna Karanam
  • Patent number: 11457239
    Abstract: Video decoding may include transform coefficient continuity smoothing, which may include coefficient continuity smoothing, defined correlation coefficient smoothing, pixel range projection, and luminance correlated chrominance resampling. Coefficient continuity smoothing may include obtaining encoded block data from the encoded bitstream, the encoded block data corresponding to a current block from the reconstructed frame, and generating reconstructed block data for the current block based on the encoded block data using transform coefficient continuity smoothing.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: September 27, 2022
    Assignee: GOOGLE LLC
    Inventors: Jyrki Alakuijala, Zoltan Szabadka
  • Patent number: 11457160
    Abstract: An electronic device and a method for adjusting a color of image data by using an infrared sensor are provided. The electronic device includes a lens, an infrared filter, an image sensor, an infrared sensor and at least one processor operably coupled to the image sensor and the infrared sensor. The at least one processor receives image data that is based on external light passing through the lens and the infrared filter and arriving at the image sensor, from the image sensor, and identifies an intensity of infrared light included in the external light, at least based on sensor data of the infrared sensor, and in response to the identifying of the intensity of the infrared light, adjusts a color of at least portion of the image data at least based on the intensity of the infrared light.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: September 27, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jinkeun Seok, Jaehee Park
  • Patent number: 11435215
    Abstract: The present invention provides an electric pot comprising a first light source, a second light source, an image sensor and a processor. The first light source and the second light source respectively generates first light having a first wavelength and second light having a second wavelength. The first light generates a first light pattern on the surface of liquid, and the second light generates a second light pattern on the surface of solid in the liquid. The processor determines a liquid level of the liquid based on the first light pattern and determines a solid height of the solid based on the second light pattern.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: September 6, 2022
    Assignee: PixArt Imaging Inc.
    Inventors: Sen-Huang Huang, Yi-Hsien Ko
  • Patent number: 11431950
    Abstract: Articulating devices and processes for obtaining photographic images with the articulating device generally include providing the articulating device with a directional light reference for use in photographically obtaining an accurate rendition of a subject being photographed. In this manner, an incidental light reference at the subject location is provided prior to capturing an image of the subject.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: August 30, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: Jeffrey Bisti
  • Patent number: 11425382
    Abstract: An encoding method which allows reduction in the amount of codes is provided. The encoding method includes: setting step S11 for setting a quantization matrix set; quantization step S12 for performing quantization on a target block using the selected quantization matrix; and encoding step S13 for encoding, in a mutually associated manner, the target block which has been subjected to the quantization and identification information for identifying the quantization matrix set which has been set. In setting step S11, a quantization matrix set selected from a plurality of quantization matrix sets is set as the quantization matrix set to be used to perform the quantization on the target block, the plurality of quantization matrix sets including a custom quantization matrix set which is arbitrarily specified and a plurality of defined quantization matrix sets which have been respectively defined in advance.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: August 23, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoshi Yoshikawa, Takahiro Nishi, Kengo Terada
  • Patent number: 11425381
    Abstract: A coefficient conversion unit obtains a conversion coefficient for each image region by performing coefficient conversion for each image region. A luminance distribution extraction unit generates luminance distribution information indicating a luminance of each image region. A correction coefficient determination unit determines a correction coefficient based on the luminance distribution information for each image region. A quantization width correction unit obtains a corrected quantization width for each image region by correcting a quantization width with use of a correction coefficient of an image region for each image region. A scalar quantization unit obtains a quantized conversion coefficient for each image region by quantizing a conversion coefficient of an image region with use of a corrected quantization width for each image region.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: August 23, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventor: Shinya Hirakuri
  • Patent number: 11405645
    Abstract: Transform kernel candidates including a vertical transform type associated with a vertical motion and a horizontal transform type associated with a horizontal motion can be encoded or decoded. During an encoding operation, a residual block of a current block is transformed according to a selected transform kernel candidate to produce a transform block. A probability model for encoding the selected transform kernel candidate is then identified based on neighbor transform blocks of the transform block. The selected transform kernel candidate is then encoded according to the probability model. During a decoding operation, the encoded transform kernel candidate is decoded using the probability model. The encoded transform block is then decoded by inverse transforming dequantized transform coefficients thereof according to the decoded transform kernel candidate.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: August 2, 2022
    Assignee: GOOGLE LLC
    Inventors: Jingning Han, Yaowu Xu, Ching-Han Chiang
  • Patent number: 11397417
    Abstract: A robotic system automatically aligns, and/or tests alignment of, a lens to a digital camera or other workpiece. The system includes an optical target, an intermediate lens and a plurality of collimators peripheral to the intermediate lens to accommodate a wide range of fields of view of the workpieces, without requiring changes in equipment hardware. When manufacturing or testing a workpiece with a relatively narrow field of view, the entire field of view of the workpiece can be filled with a view of the target through the intermediate lens, and the collimators need not be used. However, when manufacturing or testing a camera having a relatively large field of view, the intermediate lens is used to fill a central portion of the field of view with an image of the target, and the collimators are used to fill a remaining portion of the field of view with images of reticles.
    Type: Grant
    Filed: November 23, 2019
    Date of Patent: July 26, 2022
    Assignee: Automation Engineering Inc.
    Inventors: Michael Chiu, Regan Mills, Lu Ren
  • Patent number: 11394993
    Abstract: 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 is configured to decode prediction information of a block in a current picture from a coded video bitstream. The prediction information indicates an affine model in an inter prediction mode. The processing circuitry is configured to determine motion vectors of control points of the block according to the affine model. The processing circuitry is configured to determine a motion vector of a sub-block of the block from the determined motion vectors of the control points, one of a width and a height of the sub-block being less than 4. Further, the processing circuitry is configured to reconstruct at least a sample of the sub-block according to the determined motion vector.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: July 19, 2022
    Assignee: Tencent America LLC
    Inventors: Guichun Li, Xiang Li, Xiaozhong Xu, Shan Liu
  • Patent number: 11386574
    Abstract: A self-position estimation device includes: a position estimation unit. The position estimation unit is configured to estimate a self-position on the basis of image frames that have been captured at the same time in a constant period by imaging units, and estimate a self-position on the basis of image frames that have been captured at different times in the constant period by at least one of the imaging units.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: July 12, 2022
    Assignee: SONY CORPORATION
    Inventor: Jun Gomita
  • Patent number: 11368694
    Abstract: A quantized transform coefficient matrix is partitioned into a sequence of partition portions. The coefficients of the matrix are grouped into the sequence of partition portions based on a hardware implemented scan order. Each partition portion is processed in an order of the sequence in a first pass. For each partition portion, a group of coefficients in the partition portion is determined. For each partition portion, a first data rate estimation for the quantized transform coefficient matrix is updated based on at least some coefficients of the group of coefficients in the partition portion and a maximum end-of-block. For each partition portion, an end-of-block estimation of the quantized transform coefficient matrix is updated based on at least some coefficients of the group of coefficients in the partition portion. A first resulting data rate estimation and a true end-of-block of the quantized transform coefficient matrix are determined after the first pass.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: June 21, 2022
    Assignee: Meta Platforms, Inc.
    Inventors: Gaurang Chaudhari, Yunqing Chen, Zhao Wang, Harikrishna Madadi Reddy