Patents by Inventor Han Zhao

Han Zhao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240251080
    Abstract: The present disclosure provides apparatuses and methods for splitting an image into coding units. An image is divided into coding tree units (CTUs) which are hierarchically partitioned. Hierarchical partitioning includes multi-type partitioning such as binary tree or quad tree splitting. For CTUs completely within the image and CTUs on the boundary, respective multi-type partition depths are chosen. The present disclosure provides for multi-type partitioning flexibility in a boundary portion of the image.
    Type: Application
    Filed: April 5, 2024
    Publication date: July 25, 2024
    Inventors: Han Gao, Zhijie Zhao, Semih Esenlik, Anand Meher Kotra, Jianle Chen
  • Patent number: 12047586
    Abstract: A method performed by a video decoder includes receiving a coded video bitstream including a current picture, a first reference picture, a second reference picture, and a joint motion vector difference (JMVD) associated with at least one block in the current picture. The method includes determining whether one or more scaling factors are used for an adaptive motion vector difference resolution (AMVD) based JMVD based on a predetermined condition. The method includes, in response to determining the one or more scaling factors are used for the AMVD based JMVD, scaling the JMVD based on the one or more scaling factors. The method includes deriving a first MVD for the first reference picture based on the scaled JMVD. The method includes deriving a second MVD for the second reference picture based on the derived first MVD. The method includes reconstructing the at least one block based on the derived first MVD and the derived second MVD.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: July 23, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Liang Zhao, Xin Zhao, Han Gao, Shan Liu
  • Patent number: 12047555
    Abstract: A method for coding implemented by a decoding device or an encoding device includes: obtaining a first prediction mode for a first sub-block, obtaining a second prediction mode for a second sub-block; obtaining a first prediction value for a sample in the current block according to the first prediction mode, obtaining a second prediction value for the sample in the current block according to the second prediction mode; obtaining a value of an indicator, the value of the indicator indicating a blending operation which is performed for the sample in the current block; and obtaining a combined prediction value for the sample in the current block, according to the value of the indictor, the first prediction value, and the second prediction value. The blending operation adaptively performs around a separation line dividing the current block into at least the first sub-block and the second sub-block.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: July 23, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Semih Esenlik, Max Blaeser, Zhijie Zhao, Han Gao, Biao Wang, Anand Meher Kotra, Elena Alexandrovna Alshina
  • Publication number: 20240244214
    Abstract: A deblocking filter of an image processing device is provided. The deblocking filter is used in an image coding process, for deblocking a block edge between a first coding block and a second coding block of an image. The first block has SA samples perpendicular to the block edge by N samples parallel to the block edge, and the second block has SB samples perpendicular to the block edge by N samples parallel to the block edge. No more than IA samples of the first coding block are used as first filter input values, and no more than IB samples of the second coding block are used as second filter input values. No more than MA samples of the first coding block are modified as first filter output values, and no more than MB samples of the second coding block are modified as second filter output values.
    Type: Application
    Filed: January 26, 2024
    Publication date: July 18, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Anand Meher Kotra, Semih Esenlik, Zhijie Zhao, Han Gao
  • Publication number: 20240244275
    Abstract: The present disclosure relates generally to video coding and picture partitioning methods. In particular, the disclosure is concerned with relations between partition constraint elements, by setting partitioning rules for different picture partitioning methods. The disclosure provides devices and corresponding methods for generating or processing a bitstream including encoded pictures, particularly for setting and including partition constraint element into the bitstream. One of the devices is configured to determine a minimum luma size of a leaf block resulting from quadtree splitting (MinQtSizeY), determine a maximum luma size of a coding block where partitioning using a binary tree splitting is allowed (MaxBtSizeY) based on the MinQtSizeY, and include information for the determined MinQtSizeY into the bitstream.
    Type: Application
    Filed: January 2, 2024
    Publication date: July 18, 2024
    Inventors: Han Gao, Semih Esenlik, Jianle Chen, Anand Meher Kotra, Biao Wang, Zhijie Zhao
  • Publication number: 20240244202
    Abstract: The present disclosure provides an encoding apparatus and a decoding apparatus, as well as an encoding method and a decoding method. In particular, the present disclosure relates to block partitioning and signaling the partitioning parameters in a bitstream. An override flag in a slice header indicates whether or not a block is to be partitioned according to a first partition constraint information. The override flag is included in the bitstream and the block is partitioned accordingly.
    Type: Application
    Filed: January 17, 2024
    Publication date: July 18, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Han Gao, Semih Esenlik, Jianle Chen, Anand Meher Kotra, Biao Wang, Zhijie Zhao
  • Publication number: 20240240126
    Abstract: Provided herein is a resource-independent and cost-efficient antimicrobial susceptibility testing (AST) system or apparatus that can rapidly process a large number of samples. The AST system includes a barcode-like cell sensor based on an adaptive linear filter array for implementing a fully automatic and microscope-free method for counting a very small volume of cells in samples, wherein suspended cells concentrate into microbars with various lengths proportional to the number of cells. The AST system also includes an on-chip culture that takes much less time than standard methods, thereby realizing a low-cost and resource-independent platform for portable AST, from which results can be obtained through a portable device such as a cell phone.
    Type: Application
    Filed: May 24, 2022
    Publication date: July 18, 2024
    Inventors: Kangning REN, Xiaowen CHU, Chiu Wing CHAN, Han SUN, Yisu WANG, Zhihao ZHAO, Sin Yung SIU
  • Publication number: 20240183511
    Abstract: A vehicle light module includes a light source assembly, a driving assembly, and a shielding assembly. The driving assembly is connected to the shielding assembly. The light source assembly is configured to send a first beam to the shielding assembly, where the shielding assembly is located on a transmission optical path of the first beam. The driving assembly is configured to drive, according to a driving instruction, the shielding assembly to move, to change a relative position between the shielding assembly and the first beam. A second beam emitted from the shielding assembly is displayed on a path around the vehicle in a target light pattern. The shielding assembly includes at least one movable member, at least a part of the first beam is illuminated on the at least one movable member, and a shape of a cross section of the second beam corresponds to the target light pattern.
    Type: Application
    Filed: February 13, 2024
    Publication date: June 6, 2024
    Inventors: Junke Duan, Shengjun Liu, Han Zhao
  • Publication number: 20240174977
    Abstract: The general inventive concepts are based on the discovery that mammalian fertility and embryo development can be enhanced by a CHK1 inhibitor. A method for treating human infertility is disclosed. The method comprises identification of an individual having altered CHK1 function and administering a therapeutically effective amount of a CHK1 inhibitor. Further, embryonic development can be enhanced by the use of a culture medium comprising CHK1 inhibitor.
    Type: Application
    Filed: April 27, 2022
    Publication date: May 30, 2024
    Inventors: Zijiang CHEN, Han ZHAO, Keliang WU, Honghui ZHANG
  • Patent number: 11976961
    Abstract: A transfer impedance calibration device for transducers based on spatial frequency domain smoothing technology is provided. The calibration device comprises a signal transmitter, a power amplifier, a transducer pair, a measurement amplifier, a signal collector, a measurement processor and a current sampler. The device extracts acoustic channel information through the sound filed spatial information or measurement method to design a spatial domain smoothing filter, and then comprehensively processes the transmitted current signal and the received signal through the spatial frequency domain smoothing technology to obtain the transfer impedance of the transducer pair.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: May 7, 2024
    Assignee: Zhejiang University
    Inventors: Yi Chen, Liuqing Yang, Xiaofeng Jin, Guanghui Jia, Han Zhao
  • Publication number: 20240103269
    Abstract: An optical system. A light source component generates a light beam. A light adjustment component adjusts a ratio of the S-polarized light and a ratio of the P-polarized light in the light beam. A first polarization beamsplitter mirror component splits a light beam adjusted by the light adjustment component into a first light beam and a second light beam, where the first light beam is a light beam of the S-polarized light, and the second light beam is a light beam of the P-polarized light. The first lens component projects the first light beam or a modulated first light beam to a first region. The second lens component projects the second light beam or a modulated second light beam to a second region.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 28, 2024
    Inventors: Jinlei WANG, Shimao LI, Han ZHAO
  • Publication number: 20240056707
    Abstract: Embodiments of the present invention provide an optical switching apparatus, an optical switching method, an optical switching node, and a system, to implement switching of optical signals in more transmission directions. The optical switching apparatus includes input ports, a first dispersion member, a first switching engine, a first beam combining member, a first lens group, a second dispersion member, a second beam combining member, a second switching engine, and output ports. The first switching engine and the second switching engine jointly change transmission directions of sub-wavelength light beams along a wavelength plane and a port plane, the wavelength plane and the port plane are perpendicular to each other, and both the wavelength plane and the port plane are parallel to transmission directions of first light beams.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 15, 2024
    Inventors: Han Zhao, Liangjia Zong, Zeshan Chang
  • Publication number: 20240013840
    Abstract: Memories having a controller configured to perform methods during programming operations including apply a first voltage level to a data line selectively connected to a selected memory cell selected, apply a lower second voltage level to a select gate connected between the data line and the memory cell, decrease the voltage level applied to the data line from the first voltage level to a third voltage level while continuing to apply the second voltage level to the select gate, increase the voltage level applied to the select gate from the second voltage level to a fourth voltage level after the voltage level of the data line settles to the third voltage level, and apply a programming voltage to the memory cell after increasing the voltage level applied to the select gate to the fourth voltage level.
    Type: Application
    Filed: July 21, 2023
    Publication date: January 11, 2024
    Inventors: Violante Moschiano, Purval S. Sule, Han Liu, Andrea D'alessandro, Pranav Kalavade, Han Zhao, Shantanu Rajwade
  • Publication number: 20240015421
    Abstract: An optical communication system includes a sending device, an optical cross-connect (OXC) device, and a first receiving device. The sending device is configured to send a modulated first service optical signal to the OXC device. The OXC device is configured to receive the modulated first service optical signal through a first input port, and divide the modulated first service optical signal into N1 first optical signals based on a wavelength. The OXC device is configured to send M1 first optical signals to the first receiving device through M1 first output ports.
    Type: Application
    Filed: September 26, 2023
    Publication date: January 11, 2024
    Inventors: Zeshan Chang, Guangcan Mi, Han Zhao
  • Publication number: 20230408851
    Abstract: Systems and methods for optical computation and acousto-optic modulation are described. The systems and methods comprise acousto-optic modulators with reflectors and transducers used for actuation and modulation of mechanical waves. The systems further comprise multilayer optical computing systems incorporating arrays of acousto-optic modulators.
    Type: Application
    Filed: June 12, 2023
    Publication date: December 21, 2023
    Applicant: UNIVERSITY OF WASHINGTON
    Inventors: Mo Li, Han Zhao, Bingzhao Li
  • Patent number: 11721396
    Abstract: Memories having a controller configured to perform methods during programming operations including apply a first voltage level to a data line selectively connected to a selected memory cell selected, apply a lower second voltage level to a select gate connected between the data line and the memory cell, decrease the voltage level applied to the data line from the first voltage level to a third voltage level while continuing to apply the second voltage level to the select gate, increase the voltage level applied to the select gate from the second voltage level to a fourth voltage level after the voltage level of the data line settles to the third voltage level, and apply a programming voltage to the memory cell after increasing the voltage level applied to the select gate to the fourth voltage level.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: August 8, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Violante Moschiano, Purval S. Sule, Han Liu, Andrea D'Alessandro, Pranav Kalavade, Han Zhao, Shantanu Rajwade
  • Patent number: 11705037
    Abstract: In an embodiment, an electronic display includes an active area including a plurality of pixels arranged in columns and a plurality of source drivers driving image data to columns of pixels. The electronic display also includes a first plurality of switches selectively coupling respective source drivers of the plurality of source drivers to one or more columns. Selective coupling enables the respective source drivers to, at different times, drive the image data to: a single column; and multiple columns. In another embodiment, an electronic display includes a display panel configured to operate using a reference voltage received via a resistive path having a routing resistance, a reference voltage source outputting the reference voltage, and a feedback circuit sensing an electrical parameter of the resistive path and producing a compensation voltage that, when added to the reference voltage, causes the reference voltage to remain substantially constant at the display panel.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: July 18, 2023
    Assignee: Apple Inc.
    Inventors: Omar Hafiz, Baris Cagdaser, John T. Wetherell, Han Zhao
  • Publication number: 20230100718
    Abstract: An optical switching apparatus includes an input port, a dispersion component, a first filter, a redirection component, and output ports. The input port enables a first and a second beam to be incident onto the dispersion component, which decomposes the first and the second beams respectively into a plurality of first and second sub-beams, where the plurality of first sub-beams and second sub-beams belong to different bands. The first filter separates transmission directions of the plurality of first and second sub-beams into different transmission directions in a first direction (X) based on the different bands, enables the plurality of first and second sub-beams respectively to be incident onto a first area and a second area of the redirection component, where the first and second areas are separated in the first direction.
    Type: Application
    Filed: November 28, 2022
    Publication date: March 30, 2023
    Inventors: Wei Jia, Han Zhao
  • Publication number: 20230085082
    Abstract: This application provides an imaging method and an optical imaging system. One example method includes: obtaining a first modulation parameter, wherein the first modulation parameter is determined based on a first distorted image and a first target image, the first distorted image is an image presented after imaging processing is performed on a training image by using the optical imaging system and a screen, the first target image is an image of the training image, and distortion of the first target image falls within a preset range; and controlling the spatial light modulator to modulate an electrical signal of a to-be-imaged first image based on the first modulation parameter, and to generate an imaging light beam that is incident to human eyes through the lens and the screen.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 16, 2023
    Inventors: Xin LIU, Han ZHAO, Shuyue CHEN
  • Patent number: 11525142
    Abstract: The present invention clones a gene ZmNLP5 from maize, which plays an important regulatory role in nitrogen assimilation, and the open reading frame of which has a DNA sequence shown as SEQ ID NO:1. The transcription factor protein encoded by the ZmNLP5 gene has an amino acid sequence shown as SEQ ID NO:2. The uses of the maize NLP transcription factor ZmNLP5 mentioned above in promoting expression of a nitrogen metabolic key enzyme gene ZmNIR1.1, in promoting expression of a nitrogen metabolic key enzyme gene ZmNIR1.2, in promoting expression of a nitrogen metabolic key enzyme gene ZmNR1.1, in promoting expression of a nitrogen metabolic key enzyme gene ZmNR1.2, in improving nitrogen assimilation in maize, and in promoting elongation growth of maize root in deficient nitrogen environment are further provided.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: December 13, 2022
    Assignee: JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
    Inventors: Min Ge, Yuancong Wang, Yuhe Liu, Han Zhao