Patents by Inventor Sijia Lu

Sijia Lu 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).

  • Patent number: 11989850
    Abstract: The embodiments of the present disclosure disclose method for calculating image highlight reflection separation. A specific implementation of the method includes: controlling a polarized color sensor to shoot a polarized color image, and calculating a polarized chromaticity image; clustering the pixels of diffuse reflection components whose chromaticity difference is within a preset range, to obtain a pixel sequence set; using a robust principal component analysis algorithm for each pixel, to obtain an initial separation result; further processing the polarized color image for highlight reflection separation, to obtain a highlight reflection separation result, and generating a diffuse reflection image. This implementation can achieve highlight reflection separation for images without being affected by the lighting information, and obtain a highlight reflection separation result with higher accuracy through the color and polarization information.
    Type: Grant
    Filed: December 31, 2021
    Date of Patent: May 21, 2024
    Assignee: Beihang University
    Inventors: Feng Lu, Sijia Wen
  • Publication number: 20240154994
    Abstract: Techniques are described for a computing system to maintain security by (a) detecting updates from a plurality of interrelated systems; (b) with reference to the detected updates and a set of mappings, determining an at-risk account having an improper access level; and (c) in response to determining the at-risk account, providing an alert of the at-risk account to an entity authorized to alter or remove the at-risk account. A system, apparatus, and computer program product for performing this method and similar methods are also described.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Inventors: Toni Ng, Sijia Lu, Cathy Liu
  • Publication number: 20240135069
    Abstract: The present disclosure provides a risk assessment method of water inrush in tunnels constructed in water-rich grounds. The method includes the following steps: simulating a tunnel excavation process by finite element software MIDAS GTS NX and fluid-structure interaction; according to a research method of control variables, analyzing effects of a groundwater level, an elastic modulus and advanced pipe shed grouting on the stability of surrounding rock, and improving an algorithm of a radial basis function (RBF) neural network using a Grey Relation Analysis (GRA)-based Partitioning Around Medoid (PAM) clustering algorithm to assess risks of water inrush occurring in Qingdao area.
    Type: Application
    Filed: February 21, 2023
    Publication date: April 25, 2024
    Inventors: Yongjun ZHANG, Fei LIU, Huangshuai XIA, Bin GONG, Sijia LIU, Yingming WU, Qingsong WANG, Hongzhi LIU, Ruiquan LU, Mingdong YAN, Lijun ZHANG, Xiaoming GUAN, Pingan WANG, Shuguang LI, Dengfeng YANG, Weiguo ZHANG
  • Patent number: 11953182
    Abstract: An emergency lighting device with high safety includes a fixture base, two holders and a light tube. The holders are disposed on the fixture base. Each of the holder includes a holder body, two conductive plates and a rotational fixture. The conductive plates are disposed in the holder body and the rotational fixture is disposed in the central recess of the holder body. The light tube has two end caps and a tube body. The end caps are installed on the holders respectively. Each of the end caps has a non-conductive pin and two conductive pins inserted into the rotational fixture of one of the holders, such that the conductive pins of the end cap contact the conductive plates of the holder respectively.
    Type: Grant
    Filed: September 4, 2023
    Date of Patent: April 9, 2024
    Assignee: Xiamen PVTECH Co., Ltd.
    Inventors: Sijia Wang, Liangliang Cao, Fuxing Lu
  • Publication number: 20240110479
    Abstract: The present disclosure provides a multi-factor quantitative analysis method for deformation of a neighborhood tunnel. The method includes the following steps: analyzing monitoring data generated at a tunnel site; simulating collapse occurring at a shallow buried section of a tunnel; determining the degree of influence of each factor on the tunnel and a stratum; and determining quantitative influence of each factor on tunnel deformation. The present disclosure can not only provide an accurate theoretical basis for the construction of the shallow buried section of the small-distance tunnel, but also guarantee safety and cost saving during tunnel construction.
    Type: Application
    Filed: February 22, 2023
    Publication date: April 4, 2024
    Inventors: Yongjun ZHANG, Fei LIU, Sijia LIU, Junyi WANG, Bin GONG, Yingming WU, Ruiquan LU, Qingsong WANG, Qinghui XU, Xiaoming GUAN, Mingdong YAN, Xiangyang NI, Pingan WANG, Shuguang LI, Lin YANG, Ning NAN, Dengfeng YANG
  • Patent number: 11947754
    Abstract: The present disclosure provides a capacitive touch screen device, a reading method thereof, and a display device. A plurality of pixel units is divided into a plurality of touch detection regions. A touch sensing unit is configured for each touch detection region to detect charges in the touch detection region, thereby reducing a number of touch sensing units and independently collecting the charge detected by each touch sensor unit, further improving sensing accuracy. A plurality of read lines is added to correspond to each column of read units, simplifying in-plane lines.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: April 2, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Sijia Wu, Zhitao Lu
  • Patent number: 11837325
    Abstract: Provided is a method for identifying balanced translocation breakpoints and a carrying state for balanced translocations in embryos, comprising the following steps: amplifying and sequencing a sample; comparing the sequence which is obtained by means of sequencing with a reference genome and analyzing copy numbers; accurately determining the position of a translocation breakpoint; detecting single nucleotide polymorphisms (SNPs) around the breakpoint and genotyping the SNPs; analyzing an embryonic haplotype, and comprehensively determining a normal chromosome and a translocation chromosome haplotype; determining the embryonic carrying state and, according to the haplotype, selecting an embryo which does not carry a balanced translocation.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: December 5, 2023
    Assignee: YIKON GENOMICS (SHANGHAI) CO., LTD
    Inventors: Shiping Bo, Zhen Zhang, Jun Ren, Yumei Gao, Sijia Lu
  • Publication number: 20230313295
    Abstract: The present invention provides a method for determining endometrial receptivity and an application thereof. Specifically, the present invention provides a method for determining endometrial receptivity and markers for determining an endometrial receptivity status. The markers of the present invention could greatly reduce the error rate during the determination of the endometrial receptivity.
    Type: Application
    Filed: March 5, 2020
    Publication date: October 5, 2023
    Inventors: Chunxu HU, Yanping LI, Xin DONG, Sijia LU, Mintao HU
  • Publication number: 20220215902
    Abstract: The invention provides an analysis method and a device for determining a haplotype of a descendant object. Particularly, the invention provides a data analysis method for determining a haplotype genetic flow, comprising the following steps: (a) providing data sets for the analysis, the data sets being data sets related to genome information; (b) performing molecular marker genotyping in the upstream and downstream regions of Y1 target sites in each of the data sets, thereby obtaining molecular marker genotyping data, wherein Y1 is a positive integer greater than or equal to 1; (c) constructing a binary genetic vector of (0, 1) for each molecular marker site upstream and downstream of each target site in each of the data sets; (d) determining a maximum likelihood estimation value L using a Hidden Markov model for each target site; (e) determining a haplotype genetic flow direction of the descendant object and the family members through a Viterbi dynamic programming algorithm.
    Type: Application
    Filed: July 29, 2020
    Publication date: July 7, 2022
    Inventors: Yangyun ZOU, Yingying XIA, Sijia LU, Chunxu HU
  • Publication number: 20220112549
    Abstract: The invention provides a method and a product for detecting the health status of an embryo by using a blastocyst culture medium. Specifically, the present invention provides an in vitro method for detecting the health status of embryos using blastocyst culture medium, characterized in that it comprises the steps of: (a) providing a first blastocyst culture system containing a blastocyst of in vitro culture on Day 5 (D5) to Day 6 (D6); (b) transferring the blastocysts into a second blastocyst culture system containing a fresh blastocyst culture medium, and culturing in the exchanged medium for a time of T1, thereby obtaining a spent blastocyst culture medium; (c) collecting the spent blastocyst culture medium, thereby obtaining a cell-free spent blastocyst culture medium, i.e. a test sample; and (d) performing a genetic assay to identify the health status of the blastocyst.
    Type: Application
    Filed: December 27, 2019
    Publication date: April 14, 2022
    Applicant: XUKANG MEDICAL SCIENCE & TECHNOLOGY (SUZHOU) CO., LTD.
    Inventors: Yaxin Yao, Wenlu Li, Jieliang Ma, Sijia Lu
  • Patent number: 11041192
    Abstract: The present application relates to a method of amplifying genomic DNA of a cell, comprising: (a) providing a reaction mixture, wherein the reaction mixture comprises the genomic DNA, a first type of primer, a second type of primer, a mixture of nucleotide monomers, and a nucleic acid polymerase, wherein the first type of primer comprises, in a 5? to 3? orientation, a common sequence and a variable sequence, wherein the common sequence consists of three or two types of bases selected from the group consisting of four types of bases: G, A, C and T, providing that the common sequence does not comprise G and C at the same time, and wherein the second type of primer comprises the common sequence but not the variable sequence; (b) placing the reaction mixture in a first thermal cycle program such that the variable sequence of the first type of primer can pair with the genomic DNA and amplify the genomic DNA to obtain a genomic amplification product, wherein the genomic amplification product comprises the common seq
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: June 22, 2021
    Assignee: SHANGHAI XUKANG MEDICAL SCIENCE & TECHNOLOGY CO., LTD
    Inventors: Sijia Lu, Guangjun Yin
  • Publication number: 20200010890
    Abstract: Provided is a method for identifying balanced translocation breakpoints and a carrying state for balanced translocations in embryos, comprising the following steps: amplifying and sequencing a sample; comparing the sequence which is obtained by means of sequencing with a reference genome and analyzing copy numbers; accurately determining the position of a translocation breakpoint; detecting single nucleotide polymorphisms (SNPs) around the breakpoint and genotyping the SNPs; analyzing an embryonic haplotype, and comprehensively determining a normal chromosome and a translocation chromosome haplotype; determining the embryonic carrying state and, according to the haplotype, selecting an embryo which does not carry a balanced translocation.
    Type: Application
    Filed: March 2, 2018
    Publication date: January 9, 2020
    Applicant: YIKON GENOMICS (SHANGHAI) CO., LTD
    Inventors: Shiping BO, Zhen ZHANG, Jun REN, Yumei GAO, Sijia LU
  • Publication number: 20190106738
    Abstract: The present application relates to a method of amplifying genomic DNA, comprising: (a) providing a first reaction mixture, wherein said first reaction mixture comprises a sample containing genomic DNA, a first primer, a mixture of nucleotide monomers, and a nucleic acid polymerase, wherein the first primer comprises, in a 5? to 3? orientation, a common sequence and a first variable sequence comprising a first random sequence; (b) placing the first reaction mixture in a first thermal cycle program to obtain a pre-amplification product; (c) providing a second reaction mixture, wherein said second reaction mixture comprises a pre-amplification product, a second primer, a mixture of nucleotide monomers, and a nucleic acid polymerase, wherein the second primer comprises or consists of, in a 5? to 3? orientation, a specific sequence and the common sequence; (d) placing the second reaction mixture in a second thermal cycle program for amplification, to obtain an amplification product.
    Type: Application
    Filed: April 26, 2017
    Publication date: April 11, 2019
    Inventors: Fangfang GAO, Sijia LU, Jun REN
  • Publication number: 20180327821
    Abstract: Provided is a method of detecting a chromosome abnormality in an embryo by using blastocyst culture. The method comprises: detecting embryonic circulating cell-free DNA in early embryonic in-vitro culture, i.e., blastocyst culture, performing uniform whole genome amplification on trace DNA, and then using a method, such as next generation sequencing, to perform analysis on the amplified DNA product, so as to determine a chromosome condition of an embryo, namely, whether aneuploidy or partial aneuploidy of chormosomes occurs.
    Type: Application
    Filed: November 4, 2016
    Publication date: November 15, 2018
    Applicant: Xukang Medical Science & Technology (Suzhou) Co., Ltd
    Inventors: Sijia LU, Liyi CAI, Bing YAO
  • Publication number: 20180251826
    Abstract: The present application relates to a method of amplifying genomic DNA of a cell, comprising: (a) providing a reaction mixture, wherein the reaction mixture comprises the genomic DNA, a first type of primer, a second type of primer, a mixture of nucleotide monomers, and a nucleic acid polymerase, wherein the first type of primer comprises, in a 5? to 3? orientation, a common sequence and a variable sequence, wherein the common sequence consists of three or two types of bases selected from the group consisting of four types of bases: G, A, C and T, providing that the common sequence does not comprise G and C at the same time, and wherein the second type of primer comprises the common sequence but not the variable sequence; (b) placing the reaction mixture in a first thermal cycle program such that the variable sequence of the first type of primer can pair with the genomic DNA and amplify the genomic DNA to obtain a genomic amplification product, wherein the genomic amplification product comprises the common seq
    Type: Application
    Filed: August 29, 2016
    Publication date: September 6, 2018
    Applicant: SHANGHAI XUKANG MEDICAL SCIENCE & TECHNOLOGY CO., LTD
    Inventors: Sijia LU, Guangjun YIN
  • Patent number: 9617598
    Abstract: Methods and compositions for amplifying the whole genome of a single cell are provided.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: April 11, 2017
    Assignee: President and Fellows of Harvard College
    Inventors: Xiaoliang Sunney Xie, Chenghang Zong, Sijia Lu
  • Publication number: 20140200146
    Abstract: Methods and compositions for amplifying the whole genome of a single cell are provided.
    Type: Application
    Filed: May 22, 2012
    Publication date: July 17, 2014
    Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
    Inventors: Xiaoliang Sunney Xie, Chenghang Zong, Sijia Lu
  • Publication number: 20100252750
    Abstract: A microscopy imaging system is disclosed that includes a light source system, focusing optics, an optical detector and a processor. The light source system is for providing an excitation beam at a center optical frequency ?e and for providing a stimulation beam at a center optical frequency ?s. The focusing optics is for directing and focusing the excitation beam toward a common focal volume such that a sample may be excited to an electronic excited state, and for directing and focusing the stimulation beam toward the common focal volume such that stimulated emission induced from the electronic excited state results in an increase in intensity of the stimulated beam. The optical detector is for detecting an increase in a radiation field at the center optical frequency ?s from stimulated emission from the common focal volume and for providing a detector signal. The processor is for receiving the detector signal and for providing a pixel of an image for the microscopy imaging system.
    Type: Application
    Filed: April 3, 2009
    Publication date: October 7, 2010
    Inventors: Xiaoliang Sunney Xie, Wei Min, Sijia Lu