Patents by Inventor Zhihua Liu

Zhihua Liu 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).

  • METHOD AND APPARATUS FOR CALCULATING DEPTH MAP
    Publication number: 20200193623
    Abstract: Disclosed is a depth map calculation method and apparatus. The depth map calculation method includes calculating a global sparse depth map corresponding to a current frame using frames including the current frame, calculating a local dense depth map corresponding to the current frame using the current frame, extracting a non-static object region from the current frame by masking a static object region, removing the non-static object region from the global sparse depth map, and generating a global dense depth map corresponding to the current frame by merging the non-static object region-removed global sparse depth map and the local dense depth map.
    Type: Application
    Filed: December 16, 2019
    Publication date: June 18, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Zhihua LIU, Yun-Tae KIM, Hyong Euk LEE, Lin MA, Qiang WANG, Yamin MAO, Tianhao GAO
  • METHOD OF PREDICTING DEPTH VALUES OF LINES, METHOD OF OUTPUTTING THREE-DIMENSIONAL (3D) LINES, AND APPARATUS THEREOF
    Publication number: 20200160547
    Abstract: A method and apparatus for outputting three-dimensional (3D) lines. The apparatus acquires a first image and a second image including lines on a road, generates, based on a first feature map acquired from the first image, a line probability map representing a probability that a pixel point of the first feature map belongs to the lines, calculates matching information of the first image and the second image based on the first feature map and a second feature map acquired from the second image, predicts depth values of the lines using the line probability map and the matching information, detects the lines based on the line probability map, generates 3D lines based on the detected lines and the depth values of the lines, and outputs the 3D lines.
    Type: Application
    Filed: August 26, 2019
    Publication date: May 21, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Zhihua LIU, Leewon HEE, Lin MA, Qiang WANG, Tianhao GAO, Yamin MAO
  • SPLIT INTEINS, CONJUGATES AND USES THEREOF
    Publication number: 20200087388
    Abstract: Disclosed herein are split inteins, fused proteins of split inteins, and methods of using split inteins to efficiently purify and modify proteins of interest.
    Type: Application
    Filed: November 21, 2019
    Publication date: March 19, 2020
    Inventors: Tom W. Muir, Miquel Vila-Perello, Zhihua Liu, Neel H. Shah
  • METHOD FOR MAKING SILICONE PRESSURE SENSITIVE ADHESIVE
    Publication number: 20200071578
    Abstract: A method for making a pressure sensitive adhesive curable composition is performed at a temperature no greater than 35° C. The method includes the steps of 1) mixing starting materials including A) >0 to 40 weight parts of a polyorganosiloxane resin; B) 60 to <100 weight parts of a silanol-terminated polydiorganosiloxane C) >30% to <100% by weight, based on the combined weights of starting materials A, B, and C of an organic solvent, thereby forming a mixture; 2) adding to the mixture a starting material D) an amino-functional alkoxysilane; 3) adding, after step 2), a starting material E) a silyl phosphate compound, thereby preparing a pressure sensitive adhesive composition; and 4) adding to the pressure sensitive adhesive composition, a starting material comprising F) an organic peroxide compound, thereby forming the pressure sensitive adhesive curable composition.
    Type: Application
    Filed: January 17, 2017
    Publication date: March 5, 2020
    Applicant: Dow (Shanghai) Holding Co., Ltd.
    Inventors: Junping HUO, Zhihua LIU, Jiayin ZHU
  • Image processing apparatus and method
    Patent number: 10565713
    Abstract: An image processing apparatus includes a calculator configured to calculate a respective position offset for each of a plurality of candidate areas in a second frame based on a position of a basis image in a first frame and a determiner configured to determine a final selected area that includes a target in the second frame based on a respective weight allocated to each of the plurality of candidate areas and the calculated respective position offset.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Lin Ma, Deheng Qian, DongKyung Nam, Guangwei Wang, Jingu Heo, Jingtao Xu, Mingcai Zhou, Qiang Wang, Zairan Wang, Zhihua Liu
  • Method and apparatus for processing stereoscopic video
    Patent number: 10531063
    Abstract: A method of processing a stereoscopic video includes determining whether a current frame of a stereoscopic video is a video segment boundary frame; determining whether an image error is included in the current frame when the current frame is the video segment boundary frame; and processing the current frame by removing, from the current frame, a post inserted object (PIO) included in the current frame when the image error is included in the current frame.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: January 7, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Zairan Wang, Zhihua Liu, Weiming Li, YangHo Cho, DongKyung Nam, Mingcai Zhou, Tao Hong, Haitao Wang
  • Method of using split inteins, conjugates to generate protein conjugates
    Patent number: 10526401
    Abstract: Disclosed herein are split inteins, fused proteins of split inteins, and methods of using split inteins to efficiently purify and modify proteins of interest.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: January 7, 2020
    Assignee: THE TRUSTEES OF PRINCETON UNIVERSITY
    Inventors: Tom W. Muir, Miquel Vila-Perello, Zhihua Liu, Neel H. Shah
  • Power Supply and Power Supply Method with Circulation Current Compensation
    Publication number: 20190356241
    Abstract: A power supply comprises an inverter leg adapted to generate a first pulse width modulation signal by modulating an input signal, a phase shifter, which is adapted to generate a provisional second pulse width modulation signal by phase shifting a signal from which the first pulse width modulation signal is derived, a compensator, which is adapted to determine a second pulse width modulation signal from the provisional second pulse width modulation signal and add a compensation signal during the generating of the second pulse width modulation signal, and a coupled inductor, which is adapted to combine the first pulse width modulation signal and the second pulse width modulation signal to form the output signal.
    Type: Application
    Filed: July 24, 2019
    Publication date: November 21, 2019
    Inventors: Xiaoting Fang, Zhihua Liu
  • POLYORGANOSILOXANE RELEASE COATING AND METHOD FOR ITS PREPARATION AND USE
    Publication number: 20190316000
    Abstract: Provided is a release coating composition including a combination of branched polyorganosiloxanes. The first branched siloxane in the combination is an MDQ siloxane of unit formula: (R13SiO1/2)a(R2R12SiO1/2)b(R12SiO2/2)c(SiO4/2)d, a?0, b>0, c?995, and d>0. The second branched siloxane in the combination is an MDT silsesquioxane of unit formula: (R13SiO1/2)e(R2R12SiO1/2)f(R12SiO2/2)g(R1SiO3/2)h, e?0, f>0, g?995, and h>0. Each R1 is independently a monovalent hydrocarbon group free of aliphatic unsaturation and each R2 is an aliphatically unsaturated hydrocarbon group. The release coating composition further includes a crosslinker having at least 3 silicon-bonded hydrogen atoms per molecule, a platinum group metal catalyst and an inhibitor.
    Type: Application
    Filed: December 23, 2016
    Publication date: October 17, 2019
    Inventors: Fuming Huang, Zhihua Liu
  • Method and apparatus for correcting image error in naked-eye three-dimensional (3D) display
    Patent number: 10440344
    Abstract: A method and apparatus for correcting an image error in a naked-eye three-dimensional (3D) display may include controlling a flat-panel display displaying a stripe image, calculating a raster parameter of the naked-eye 3D display based on a captured stripe image, and correcting a stereoscopic image displayed on the naked-eye 3D display based on the calculated raster parameter, wherein the naked-eye 3D display includes the flat-panel display and the raster.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Weiming Li, Mingcai Zhou, Tao Hong, Dong Kyung Nam, Hyoseok Hwang, Jinho Lee, Zairan Wang, Zhihua Liu, Haitao Wang
  • DEVICE AND METHOD WITH POSE ESTIMATOR
    Publication number: 20190251696
    Abstract: A method and device that estimate a pose of a device and the device are disclosed. The method may include generating inertial measurement unit (IMU) data of the device, determining a first pose of the device a first time point based on the IMU data, generating a current predicted motion state array based on the IMU data, and estimating an M-th predicted pose of the device at an M-th time point after the first time point based on the current predicted motion state array, where M denotes a natural number greater than 1.
    Type: Application
    Filed: August 28, 2018
    Publication date: August 15, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Guangwei WANG, Tianhao GAO, Chun WANG, GeeYoung SUNG, Hong-Seok LEE, Lin MA, Minsu AHN, Qiang WANG, Sunghoon HONG, Yun-Tae KIM, Zhihua LIU
  • Three-dimensional (3D) display apparatus and method
    Patent number: 10356397
    Abstract: A three-dimensional (3D) display apparatus and method are provided. The 3D display apparatus may include a display screen configured to display each of a plurality of sub-images included in a single frame of a 3D image using a time-division multiplexing (TDM), a polarizer configured to polarize each of the displayed sub-images by changing a polarization direction using the TDM, in synchronization with the display screen, and microlens arrays arranged in a plurality of layers and configured to sequentially refract the polarized sub-images, respectively.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: July 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mingcai Zhou, DongKyung Nam, Jinho Lee, Kang Xue, Weiming Li, Xiying Wang, Zhihua Liu, Gengyu Ma, Haitao Wang, Tao Hong
  • IMAGE PROCESSING METHOD AND APPARATUS
    Publication number: 20190213747
    Abstract: An image processing method and apparatus is disclosed. The image processing method includes receiving an input image and estimating a depth of a target based on a position, a size, and a class of the target in the input image.
    Type: Application
    Filed: January 2, 2019
    Publication date: July 11, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Lin MA, Wonhee LEE, Chun WANG, Guangwei WANG, Minsu AHN, Tianhao GAO, Sung Hoon HONG, Zhihua LIU
  • Light path adjuster and display device including the same
    Patent number: 10317687
    Abstract: A display device may include a plurality of display panels, and light path adjusters disposed on upper portions of the plurality of the display panels. The light path adjusters include a lens array configured to transfer different beams emitted from the plurality of display panels to each eye of a user, and a joint removal structure disposed on one side of the light path adjusters corresponding to a connecting joint that connects the plurality of display panels. The joint removal structure is configured to refract the beams emitted from the plurality of display panels.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: June 11, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Weiming Li, Kang Xue, Tao Hong, Xiying Wang, Mingcai Zhou, Zhihua Liu, Gengyu Ma, Haitao Wang
  • Apparatus and efficiency point tracking method for high efficiency resonant converters
    Patent number: 10284097
    Abstract: A system comprises an input power stage coupled to a primary side of a transformer, an output power stage coupled to a secondary side of a transformer, a first common node capacitor and a common node resistor connected in series between a midpoint of the secondary side of the transformer and ground and a detector having an input connected to a common node of the first common node capacitor and the common node resistor, and an output connected to a control circuit, wherein the control circuit is configured to dynamically adjust a switching frequency of the system based upon an output of the detector.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: May 7, 2019
    Assignee: Futurewei Technologies, Inc.
    Inventors: Daoshen Chen, Heping Dai, Xujun Liu, Zhihua Liu, Liming Ye, Dianbo Fu, Ce Liu, Bing Cai
  • Apparatus and Efficiency Point Tracking Method for High Efficiency Resonant Converters
    Publication number: 20190074774
    Abstract: A system comprises an input power stage coupled to a primary side of a transformer, an output power stage coupled to a secondary side of a transformer, a first common node capacitor and a common node resistor connected in series between a midpoint of the secondary side of the transformer and ground and a detector having an input connected to a common node of the first common node capacitor and the common node resistor, and an output connected to a control circuit, wherein the control circuit is configured to dynamically adjust a switching frequency of the system based upon an output of the detector.
    Type: Application
    Filed: October 29, 2018
    Publication date: March 7, 2019
    Inventors: Daoshen Chen, Heping Dai, Xujun Liu, Zhihua Liu, Liming Ye, Dianbo Fu, Ce Liu, Bing Cai
  • Apparatus and methods for reducing moire fringe
    Patent number: 10126562
    Abstract: A method for reducing a moire fringe includes calculating a moire fringe width for each of different angles between a microlens array and pixels of a display screen. The method includes determining, to be a final inclination angle between the microlens array and the pixels of the display screen, one of the different inclination angles that corresponds to a minimum width among the calculated moire fringe widths.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: November 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jinho Lee, Tao Hong, Weiming Li, DongKyung Nam, Kang Xue, Xiying Wang, Zhihua Liu, Gengyu Ma, Haitao Wang, Mingcai Zhou
  • Apparatus and efficiency point tracking method for high efficiency resonant converters
    Patent number: 10116219
    Abstract: A method comprises connecting a first resonant converter and a second resonant converter in parallel, detecting a first signal indicating a first soft switching process of the first resonant converter and a second signal indicating a second soft switching process of the second resonant converter and adjusting a first switching frequency of the first resonant converter by a first control circuit and a second switching frequency of the second resonant converter by a second control circuit until a load current flowing through the first resonant converter is substantially equal to a load current flowing through the second resonant converter.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: October 30, 2018
    Assignee: Futurewei Technologies, Inc.
    Inventors: Daoshen Chen, Heping Dai, Xujun Liu, Zhihua Liu, Liming Ye, Dianbo Fu, Ce Liu, Bing Cai
  • Method and apparatus for positioning feature point
    Patent number: 10096132
    Abstract: A feature point positioning apparatus includes a memory storing computer-executable instructions; and one or more processors configured to execute the computer-executable instructions such that the one or more processors are configured to, iteratively update a first form coefficient based on, a nonlinear feature extracted from an image, and a regression factor matrix obtained through training, and detect a position of the feature point of the image based on, the updated first form coefficient, and a statistical form model obtained through training.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 9, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Mingcai Zhou, Jingu Heo, Tao Hong, Weiming Li, Zairan Wang, Zhihua Liu, Dong Kyung Nam, Haitao Wang
  • Emulsion type silicone pressure sensitive adhesive composition and process for the production thereof
    Patent number: 10077387
    Abstract: Disclosed is an emulsion type silicone pressure sensitive adhesive composition and a process for the production thereof. Also provided is an emulsion type silicone pressure sensitive adhesive composition, comprising: (A) 100 parts by weight of a silicone pressure sensitive adhesive; (B) 1-30 parts by weight of an emulsifier selected from the group consisting of a polyvinylalcohol and a polyether modified MQ resin wherein M is R 3SiO 1/2, and Q is SiO 4/2, wherein R represents C 1-20 alkyl; (C) water; and (D) catalyst.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: September 18, 2018
    Assignees: Dow Silicones Corporation, Dow (Shanghai) Holding Co., Ltd.
    Inventors: Li Ding, Fuming Huang, Chung Mien Kuo, Zhihua Liu