Patents by Inventor XIANG-AN LIU
XIANG-AN 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).
-
Publication number: 20240177356Abstract: A method, computer program, and computer system is provided for decoding point cloud data. Data corresponding to a point cloud is received. A number of contexts associated with the received data is reduced based on reducing a size of an array corresponding to syntax elements for predictive tree-based coding of the point cloud. The data corresponding to the point cloud is decoded based on the reduced number of contexts.Type: ApplicationFiled: February 5, 2024Publication date: May 30, 2024Applicant: TENCENT AMERICA LLCInventors: Wen GAO, Xiang ZHANG, Shan LIU
-
Publication number: 20240176158Abstract: An optical element driving mechanism is provided, including a movable portion, a fixed portion, and a driving assembly. The movable portion is connected to an optical element. The movable portion is movable relative to the fixed portion. The driving assembly drives the movable portion to move relative to the fixed portion.Type: ApplicationFiled: November 28, 2023Publication date: May 30, 2024Inventors: Po-Xiang ZHUANG, Wei-Jhe SHEN, Sin-Jhong SONG, Shou-Jen LIU, Kun-Shih LIN, Yi-Ho CHEN, Chao-Chang HU
-
Patent number: 11995400Abstract: A computer-implemented method, according to one embodiment, includes: receiving an image having characters that correspond to a language, and using a text recognition algorithm to determine a first language believed to correspond to the characters. A first confidence level associated with the first language is also computed, and a determination is made as to whether the first confidence level associated with the first language is outside a predetermined range. In response to determining that the first confidence level associated with the first language is not outside the predetermined range, the first language is output as the given language. The text recognition algorithm is trained using a simple shallow neural network and a generated mixed language corpus. The generated mixed language corpus is formed by: randomly sampling libraries having vocabulary and/or characters therein, and combining the randomly sampled vocabulary and/or characters to form the generated mixed language corpus.Type: GrantFiled: September 7, 2021Date of Patent: May 28, 2024Assignee: International Business Machines CorporationInventors: Zhong Fang Yuan, Tong Liu, Li Juan Gao, Xiang Yu Yang, Qiang He, Yu Pan
-
Publication number: 20240168077Abstract: A transformer bushing partial discharge monitoring chip device and method are provided. An acquisition unit comprises three sensor modules installed at end screens of three-phase bushings of a transformer respectively for acquiring partial discharge signals and power frequency current signals from the transformer bushing end screens; each of the sensor modules is connected to an SIP digitization unit through a wire; the SIP digitization unit is fixedly installed beneath a base of the acquisition unit for digitizing the partial discharge signals and the power frequency current signals; an output end of the SIP digitization unit is connected to an input end of a background processing terminal.Type: ApplicationFiled: May 15, 2023Publication date: May 23, 2024Applicant: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER RESEARCH INSTITUTEInventors: Xiaoxin CHEN, Xianjun SHAO, Ping QIAN, Chen LI, Yiming ZHENG, Jiangyang ZHAN, Wenlin HE, Haibao MU, Huibin TAO, Xiang SUN, Haojun LIU
-
Publication number: 20240166958Abstract: The present disclosure relates to the technical field of chemical engineering, and specifically discloses a method for removing oxygenated compounds from a Fischer-Tropsch oil having a high carbon number. A reaction-extraction combined process is used in this method for removing oxygenated compounds from a Fischer-Tropsch oil having a high carbon number, wherein the Fischer-Tropsch oil (C5-C20) is firstly subjected to alkaline washing with an alkaline aqueous solution to convert acidic substances into water-soluble salts. The Fischer-Tropsch oil is subjected to a primary extraction with a carbonate-based extractant to remove alcohols and esters therein, and subsequently subjected to a secondary extraction with propylene carbonate to remove ketones and aldehydes impurities therein, thereby removing oxygenated compounds in the Fischer-Tropsch oil. After extraction, the content of the oxygenated compounds in the Fischer-Tropsch oil may be down to 1-60 ppm, and the yield of oil product may be kept 90% or more.Type: ApplicationFiled: May 19, 2022Publication date: May 23, 2024Inventors: Hongyu Liu, Zhen Qian, Zhifei Li, Xiaolong Zhang, Juncheng Li, Qiang Xue, Xu Wang, Hui Zhang, Huai Guan, Yanyang Deng, Xiang Liu, Jiale Zuo
-
Patent number: 11991377Abstract: Aspects of the disclosure provide a method and an apparatus including processing circuitry for video decoding. The processing circuitry can decode prediction information of a chroma coding block (CB) from a coded video bitstream. The prediction information indicates an intra block copy (IBC) mode for the chroma CB and the chroma CB includes one or more chroma units. The processing circuitry can determine a chroma block vector (BV) for one of the one or more chroma units based on at least one luma unit collocated with the one of the one or more chroma units. The at least one luma unit is coded in the IBC mode. The processing circuitry can reconstruct at least one sample in the one of the one or more chroma units based on the chroma BV. The at least one luma unit and the chroma CB can be associated with separate luma-chroma coding trees.Type: GrantFiled: August 24, 2021Date of Patent: May 21, 2024Assignee: TENCENT AMERICA LLCInventors: Xiaozhong Xu, Xiang Li, Shan Liu
-
Patent number: 11990842Abstract: A multi-phase LLC power converter comprises a plurality of LLC phases each including a resonant tank and a switching stage. The resonant tank includes a resonant inductor, a resonant capacitor, and a parallel inductance. The switching stage switches an input power at an operating frequency to apply a switched power to the resonant tank, with the switched power approximating an alternating current (AC) waveform having a switching frequency. A secondary-side controller varies the switching frequency to control an output voltage of the multi-phase LLC power converter. A primary-side controller measures primary-side currents, calculates an initial switch-controlled capacitor (SCC) conduction phase angle for each of the LLC phases, and operates an SCC switch in accordance with an SCC conduction phase angle to adjust the capacitance of the resonant capacitor of an LLC phase to cause each of the LLC phases to have equal resonant frequencies.Type: GrantFiled: January 24, 2020Date of Patent: May 21, 2024Assignee: MAGNA POWERTRAIN GMBH & CO KGInventors: Bo Sheng, Xiang Zhou, Wenbo Liu, Yang Chen, Yan-Fei Liu, Andrew Yurek, Lakshmi Varaha Iyer, Gerd Schlager, Michael Neudorfhofer, Wolfgang Baeck
-
Patent number: 11991794Abstract: A ceramic heating element is disclosed, including: a flat or needle-shaped ceramic housing, a support bracket sleeved in the ceramic housing, and a heating wire evenly wound on the support bracket. An interior of the support bracket is a hollow structure. An electronic cigarette is further disclosed, including the ceramic heating element.Type: GrantFiled: February 2, 2019Date of Patent: May 21, 2024Assignee: Shenzhen Buddy Technology Development Co., Ltd.Inventor: Xiang Liu
-
Publication number: 20240163483Abstract: A method of video decoding in a decoder is provided. A first template magnitude of a first transform coefficient in a specific frequency region of the transform block is determined. The first template magnitude is a first single value representing magnitudes of a first local template of the first transform coefficient. A first context model is identified for coding the syntax element of the first transform coefficient, the first context model being shared with at least a second transform coefficient in the specific frequency region of the transform block, a second template magnitude of the second transform coefficient having a second single value that belongs to a first subinterval. A first bin of the syntax element of the first transform coefficient and a second bin of the syntax element of the second transform coefficient is determined, from the coded bits, based on the first context model.Type: ApplicationFiled: January 22, 2024Publication date: May 16, 2024Applicant: TENCENT AMERICA LLCInventors: Xiang LI, Shan LIU, Xin ZHAO
-
Publication number: 20240159829Abstract: A processing device (30, 710) for reducing scan traffic is provided. The processing device (30, 710) comprises one or more interfaces (32, 718) configured to transmit information to at least one register access interface (759, 761) and processing circuitry (34) configured to control the one or more interfaces. Further, the processing circuitry (34) is configured to obtain register parameters of at least one functional unit (760, 762) of a processing unit (750) and to generate an improved bulk register comprising the register parameters of the at least one functional unit.Type: ApplicationFiled: June 25, 2021Publication date: May 16, 2024Inventors: Min LIU, Jaemon FRANKO, Xia JIN, Xiang LI, Jiaqi LIU, Krishna SURYA
-
Publication number: 20240163481Abstract: A method of utilizing an 8-bit primary transform core matrix to decode compressed video or image data or encode uncompressed video or image data. The method may include determining whether to use a first transform core matrix that is of a first size type or a second transform core matrix that is of a second size type that is smaller than the first size type. When a result of the determination is to use the first transform core matrix, encoding or decoding the target file using the 8-bit primary transform core matrix that has the size that is 64-point or larger. If not, the method may include extracting the second transform core matrix of the second size type from the first transform matrix and encoding or decoding the target file using the extracted second transform core matrix.Type: ApplicationFiled: December 29, 2023Publication date: May 16, 2024Applicant: TENCENT AMERICA LLCInventors: Xin Zhao, Xiang Li, Shan Liu
-
Publication number: 20240164059Abstract: A vapor chamber structure includes an aluminum upper plate, an aluminum lower plate, a working fluid and multiple micron-sized recesses. The aluminum upper plate has a first side and a second side. The aluminum lower plate has a third side and a fourth side. The aluminum upper and lower plates are correspondingly mated with each other to define an airtight chamber. The working fluid is filled in the airtight chamber. The micron-sized recesses are directly formed on the third side. The micron-sized recesses are upward raised and/or downward recessed from the third side in the form of multiple small puddles so as to enhance the boiling efficiency of the working fluid in the airtight chamber and promote liquid-vapor circulation performance of the vapor chamber. In addition, when used in a low-temperature environment, the vapor chamber structure prevents the working fluid in the airtight chamber from freezing.Type: ApplicationFiled: March 20, 2023Publication date: May 16, 2024Inventors: Han-Min Liu, Wen-Qi Liu, Xing-Hui Li, Xiao-Xiang Zhou
-
Patent number: 11985351Abstract: A method and apparatus for decoding a video sequence using a discrete sine transform (DST) type-VII transform core includes generating a set of tuples of transform core elements associated with an n-point DST-VII transform core. A first sum of a first subset of transform core elements of a first tuple is equal to a second sum of a second subset of remaining transform core elements of the first tuple. The n-point DST-VII transform core is generated based on generating the set of tuples of transform core elements. A transform on a block is performed using the n-point DST-VII transform core.Type: GrantFiled: August 19, 2022Date of Patent: May 14, 2024Assignee: TENCENT AMERICA LLCInventors: Xin Zhao, Xiang Li, Shan Liu
-
Patent number: 11985342Abstract: A method for video encoding includes determining a corresponding motion vector for each of multiple control points of a base predictor. The method further includes determining a corresponding motion vector difference for each of the multiple control points of the base predictor based on the determined motion vector for each respective control point. The method further includes generating prediction information of the current block to be included in a coded video bitstream. The prediction information includes (i) a usage flag indicative of the affine merge mode with offset, (ii) offset parameters defining the determined corresponding motion vector difference for each of the one or more of the control points, and (iii) a zero motion vector difference flag for the multiple control points of the base predictor. The zero motion vector difference flag indicates whether offset parameters for the respective control point are provided in the prediction information.Type: GrantFiled: August 29, 2022Date of Patent: May 14, 2024Assignee: TENCENT AMERICA LLCInventors: Guichun Li, Xiaozhong Xu, Xiang Li, Shan Liu
-
Patent number: 11984399Abstract: Embodiments of the present application relate to the field of semiconductor manufacturing technologies, in particular to a semiconductor structure and a mask plate structure. The semiconductor structure includes a substrate, where the substrate is provided therein with active areas and a plurality of bit line structures arranged at intervals in parallel in the substrate. A plurality of word line structures are arranged at intervals in parallel in the substrate. The word line structures and the bit line structures intersect to define a plurality of grids arranged in an array on the substrate. Capacitor plugs are located in the grids. Projection of each of the capacitor plugs on the substrate covers a part of one of the active areas. Cross sections of the capacitor plugs are arcuate in a cross section parallel to a surface of the substrate.Type: GrantFiled: April 29, 2022Date of Patent: May 14, 2024Assignee: Changxin Memory Technologies, Inc.Inventor: Xiang Liu
-
Patent number: 11982768Abstract: Systems and methods for performing optical distance measurement are provided. In one aspect, a system for measuring a distance to an object comprises a light emitter configured to emit an outbound light pulse, and a light sensor configured to receive a returning light pulse reflected from the object and output an analog pulse signal representing the returning light pulse. The system also comprises a field-programmable gate array (FPGA) coupled to the light sensor. The FPGA is configured to convert the analog pulse signal to a plurality of digital signal values, and generate a plurality of time measurements corresponding to the plurality of digital signal values. The system also comprises a controller configured to calculate the distance to the object based on the plurality of digital signal values and the plurality of time measurements.Type: GrantFiled: June 18, 2019Date of Patent: May 14, 2024Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Xiang Liu, Mingming Gao, Xiaoping Hong, Di Wu
-
Patent number: 11983807Abstract: The present disclosure provides method and apparatus for automatically generating motions of an avatar. A message in a session between a user and an electronic conversational agent may be obtained, the avatar being a visual representation of the electronic conversational agent. At least one facial animation and/or body animation may be determined based on at least one part of the message. At least one motion of the avatar may be generated based at least on the facial animation and/or the body animation.Type: GrantFiled: July 10, 2018Date of Patent: May 14, 2024Assignee: Microsoft Technology Licensing, LLCInventors: Yueyang Chen, Xiang Xu, Ruihua Song, Shuo Wang, Hui Zhang, Di Li, Chengcheng Liu, Xiaoyu Qi
-
Patent number: 11980844Abstract: The present invention relates to a method for carbon dioxide capture and concentration by partitioned multistage circulation based on mass transfer-reaction regulation. In the present invention, multiple means such as multistage circulating absorption, intelligent multi-factor regulation, pre-washing and cooling, inter-stage cooling, post-stage washing, slurry cleaning, cooling water waste heat utilization, small-particle-size and high-density spraying, external strengthening field such as a thermal field/ultrasonic field/electric field, and catalysis by composite catalyst are adopted, so that the target for low cost, low energy consumption, stability and high efficiency is realized. The secondary pollutants are effectively inhibited while carbon dioxide is efficiently captured; meanwhile, high-efficiency capture, low-energy desorption, and high-purity concentration of carbon dioxide are implemented.Type: GrantFiled: December 30, 2021Date of Patent: May 14, 2024Assignee: ZHEJIANG UNIVERSITYInventors: Xiang Gao, Chenghang Zheng, Chang Liu, Can Zhou, You Zhang, Zhongyang Zhao, Yongxin Zhang, Yang Zhang, Qinwu Li, Weiguo Weng, Weihong Wu, Qingyi Li, Xiao Zhang, Tao Wang
-
Patent number: 11983907Abstract: A method of point cloud attribute coding is performed by at least one processor and includes receiving a point cloud data set comprising a bounding box. A determination is made as to whether the bounding box is symmetric or asymmetric. A quad-tree-binary-tree (QtBt) decomposition is performed on the point cloud data set based on the bounding box being asymmetric.Type: GrantFiled: January 6, 2021Date of Patent: May 14, 2024Assignee: TENCENT AMERICA LLCInventors: Sehoon Yea, Stephan Wenger, Shan Liu, Wen Gao, Xiang Zhang
-
Patent number: D1027859Type: GrantFiled: June 8, 2023Date of Patent: May 21, 2024Assignee: Eve Energy Storage Co., LtdInventors: Xuepei Xu, Yuncong Pang, Yulang Zou, Changjun Shuai, Zhao Tian, Shilei Liu, Xiaomei Tang, Peiying Long, Zihui Zhao, Haohao Yi, Yubao Meng, Xiang Chen