Patents by Inventor Kien Nguyen

Kien Nguyen 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: 10977791
    Abstract: Described herein are computer-implemented methods for analysis of a tissue sample. An example method includes: annotating the whole tumor regions or set of tumorous sub-regions either on a biomarker image or an H&E image (e.g. from an adjacent serial section of the biomarker image); registering at least a portion of the biomarker image to the H&E image; detecting different cellular and regional tissue structures within the registered H&E image; computing a probability map based on the different detected structures within the registered H&E image; deriving nuclear metrics from each of the biomarker and H&E images; deriving probability metrics from the probability map; and classifying tumor nuclei in the biomarker image based on the computed nuclear and probability metrics.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: April 13, 2021
    Assignee: VENTANA MEDICAL SYSTEMS, INC.
    Inventors: Srinivas Chukka, Kien Nguyen, Ting Chen
  • Publication number: 20210097503
    Abstract: A computer-implemented method comprising: obtaining repair estimate data that describes a repair estimate for a damaged vehicle; extracting, from an OEM repair procedure database according to the received repair estimate data, repair procedure data that describes repair procedures for the damaged vehicle; transmitting the extracted repair procedure data to at least one technician computing device; obtaining repair log data generated by the at least one technician computing device, wherein the repair log data describes one or more repairs performed upon the damaged vehicle; determining whether the repair procedures for the damaged vehicle have been satisfactorily performed based on the received repair log data and the extracted repair procedure data; sending an electronic approval message responsive to determining the repair procedures for the damaged vehicle have been satisfactorily performed; and sending an electronic disapproval message responsive to determining the repair procedures for the damaged vehicle
    Type: Application
    Filed: September 16, 2020
    Publication date: April 1, 2021
    Applicant: Mitchell International, Inc.
    Inventors: John Joseph Rozint, Kien Nguyen, Thomas Butch
  • Publication number: 20210093087
    Abstract: Furniture systems, furniture system components, methods of assembling furniture systems, and methods of assembling furniture system components are described in the present disclosure. The furniture systems comprise a seat frame assembly connected to a first arm assembly and a second arm assembly and a back assembly, wherein the seat frame assembly is connected to the first and second arm assemblies by inserts and tabs formed thereon. Inner frame assemblies and deck sections for furniture pieces are also described and include deck webs that define deck gaps therein.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 1, 2021
    Inventors: Lucas Zei, Christian Hunt, Xuan Tuong Dinh, Trung Kien Nguyen
  • Patent number: 10929972
    Abstract: Methods and systems for generating a heat map that reduces bias in selecting FOVs are disclosed. Some disclosed methods include annotating a primary stained image, registering the annotation to a secondary serial specific stained image, using an image analysis algorithm to compute a scoring criteria specific to the tissue and assay type for tiled regions in the image, using a sliding window in the annotated tumor region to compute values for each pixel in a heat map which correlate to the specific scoring criteria, displaying the heat map at low resolution, ranking and selecting hot spots, selecting FOVs from the hot spot regions which results in displaying the slide-level score for the FOVs. The systems comprise, among other things, software configured to perform the referenced method.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: February 23, 2021
    Assignee: VENTANA MEDICAL SYSTEMS, INC.
    Inventors: Michael Barnes, Joerg Bredno, Christophe Chefd'hotel, Srinivas Chukka, Kien Nguyen, Anindya Sarkar
  • Patent number: 10898222
    Abstract: A method of segmenting images of biological specimens using adaptive classification to segment a biological specimen into different types of tissue regions. The segmentation is performed by, first, extracting features from the neighborhood of a grid of points (GPs) sampled on the whole-slide (WS) image and classifying them into different tissue types. Secondly, an adaptive classification procedure is performed where some or all of the GPs in a WS image are classified using a pre-built training database, and classification confidence scores for the GPs are generated. The classified GPs with high confidence scores are utilized to generate an adaptive training database, which is then used to re-classify the low confidence GPs. The motivation of the method is that the strong variation of tissue appearance makes the classification problem more challenging, while good classification results are obtained when the training and test data origin from the same slide.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: January 26, 2021
    Assignee: VENTANA MEDICAL SYSTEMS, INC.
    Inventors: Joerg Bredno, Christophe Chefd'hotel, Ting Chen, Srinivas Chukka, Kien Nguyen
  • Publication number: 20200349340
    Abstract: Systems and methods discussed herein include, among other things, a method comprising quantifying analyte staining of a biological compartment in a region in which said staining is intermixed with analyte staining of an analytically-distinct distinct biological compartment. Disclosed systems and methods include, for example, a system and method for identifying membrane staining of an analyte of interest in regions where diffuse membrane staining is intermixed with cytoplasmic staining and/or punctate staining is disclosed. Disclosed systems and methods include, for example, a system and method for quantifying membrane staining of an analyte of interest in tissue or cytological samples having regions in which membrane staining is intermixed with cytoplasmic staining and/or punctate staining.
    Type: Application
    Filed: July 8, 2020
    Publication date: November 5, 2020
    Inventors: Kien NGUYEN, Christophe CHEFD'HOTEL
  • Publication number: 20200320699
    Abstract: An image analysis system and method to generate selective stain segmentation images for at least one cell type of interest within a stained tissue image are presented. Cell membranes in the tissue image are detected to generate a corresponding membrane mask image. Cell nuclei are classified to generate a classified cells image. Selective stain segmentation images are generated for the at least one cell type of interest based on the membrane mask image and the classified cells image.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 8, 2020
    Inventors: Christoph Guetter, Kien Nguyen
  • Publication number: 20200302153
    Abstract: An image analysis system and method classify cells in a tissue image. The system and method may extract at least one image feature characterizing an object in the tissue image. Based on the extracted image feature, cells may be classified according to at least one predefined membrane pattern. For each classified cell, a class label that identifies a class to which the classified cell belongs may be outputted.
    Type: Application
    Filed: June 9, 2020
    Publication date: September 24, 2020
    Inventors: Christoph GUETTER, Kien NGUYEN
  • Patent number: 10747986
    Abstract: Systems and methods for automated analysis of histochemical or cytological samples stained for analytes having complex staining patterns are presented. Analyte staining of a biological compartment in a region is quantified, in which said staining is intermixed with analyte staining of an analytically-distinct biological compartment. The systems and methods further include identifying membrane staining of an analyte of interest in regions where diffuse membrane staining is intermixed with cytoplasmic staining and/or punctate staining is disclosed. The systems and methods further include quantifying membrane staining of an analyte of interest in tissue or cytological samples having regions in which membrane staining is intermixed with cytoplasmic staining and/or punctate staining.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: August 18, 2020
    Assignee: Ventana Medical Systems, Inc.
    Inventors: Christophe Chefd'hotel, Kien Nguyen
  • Publication number: 20200244682
    Abstract: Methods, apparatus, and processor-readable storage media for identifying and determining the criticality of enterprise assets using network traffic information are provided herein. An example computer-implemented method includes capturing network session information from an enterprise network; identifying multiple assets within the enterprise network by processing the captured network session information; determining, for each of the identified assets, one or more predefined features of the asset based at least in part on the processing of the captured network session information; determining, for each of the identified assets, a level of criticality associated with the asset based at least in part on the one or more determined features of the asset; and outputting the level of criticality and an identifier of the asset associated therewith to a security-related system, wherein the level of criticality and the asset identifier are used by the security-related system to take at least one automated action.
    Type: Application
    Filed: January 29, 2019
    Publication date: July 30, 2020
    Inventors: Kevin Douglas, Diptanu Das, Leandro Diato, Nicholas Hoang, Kien Nguyen
  • Publication number: 20200167584
    Abstract: A system and a method for unveiling poorly visible or lightly colored nuclei in an input image are disclosed. An input image is fed to a color deconvolution module for deconvolution into two color channels that are processed separately before being combined. The input image is deconvolved into two separate images: a stain image and a counter stain image. A complement of the stain image is generated in order to clearly reflect the locations of the poorly visible or light-colored nuclei. The complement image and the counter stain image are optionally normalized and then combined and segmented, to generate an output image with clearly defined nuclei. Alternatively, the complement of the stain image and the counter stain image can optionally be normalized, and then segmented prior to being combined to generate the output image.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 28, 2020
    Inventors: Christoph Guetter, Kien Nguyen, XiuZhong Wang
  • Patent number: 10628658
    Abstract: Disclosed, among other things, is a computer device and computer-implemented method of classifying cells within an image of a tissue sample comprising providing the image of the tissue sample as input; computing nuclear feature metrics from features of nuclei within the image; computing contextual information metrics based on nuclei of interest with the image; classifying the cells within the image using a combination of the nuclear feature metrics and contextual information metrics.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: April 21, 2020
    Assignee: Ventana Medical Systems, Inc.
    Inventors: Joerg Bredno, Christophe Chefd'hotel, Kien Nguyen
  • Publication number: 20190392578
    Abstract: Described herein are computer-implemented methods for analysis of a tissue sample. An example method includes: annotating the whole tumor regions or set of tumorous sub-regions either on a biomarker image or an H&E image (e.g. from an adjacent serial section of the biomarker image); registering at least a portion of the biomarker image to the H&E image; detecting different cellular and regional tissue structures within the registered H&E image; computing a probability map based on the different detected structures within the registered H&E image; deriving nuclear metrics from each of the biomarker and H&E images; deriving probability metrics from the probability map; and classifying tumor nuclei in the biomarker image based on the computed nuclear and probability metrics.
    Type: Application
    Filed: June 21, 2019
    Publication date: December 26, 2019
    Inventors: Srinivas Chukka, Kien Nguyen, Ting Chen
  • Patent number: 10445619
    Abstract: Methods, systems, and apparatuses for automatically identifying glandular regions and tubule regions in a breast tissue sample are provided. An image of breast tissue is analyzed to detect nuclei and lumen candidates, identify tumor nuclei and true lumen from the candidates, and group tumor nuclei with neighboring tumor nuclei and lumina to define tubule glandular regions and non-tubule glandular regions of the image. Learnt supervised classifiers, such as random forest classifiers, can be applied to identify and classify the tumor nuclei and true lumina. Graph-cut methods can be applied to group the tumor nuclei and lumina and to define the tubule glandular regions and non-tubule glandular regions. The analysis can be applied to whole slide images and can resolve tubule areas with multiple layers of nuclei.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: October 15, 2019
    Assignee: Ventana Medical Systems, Inc.
    Inventors: Michael Barnes, Christophe Chefd'hotel, Srinivas Chukka, Kien Nguyen
  • Publication number: 20190038310
    Abstract: A method of segmenting images of biological specimens using adaptive classification to segment a biological specimen into different types of tissue regions. The segmentation is performed by, first, extracting features from the neighborhood of a grid of points (GPs) sampled on the whole-slide (WS) image and classifying them into different tissue types. Secondly, an adaptive classification procedure is performed where some or all of the GPs in a WS image are classified using a pre-built training database, and classification confidence scores for the GPs are generated. The classified GPs with high confidence scores are utilized to generate an adaptive training database, which is then used to re-classify the low confidence GPs. The motivation of the method is that the strong variation of tissue appearance makes the classification problem more challenging, while good classification results are obtained when the training and test data origin from the same slide.
    Type: Application
    Filed: September 13, 2018
    Publication date: February 7, 2019
    Inventors: Joerg Bredno, Christophe Chefd'hotel, Ting Chen, Srinivas Chukka, Kien Nguyen
  • Patent number: 10116277
    Abstract: A radio frequency (RF) power amplifier includes an amplifying stage that includes an amplifying module, an input module and a feedback module. The amplifying module receives an RF to-be-amplified signal, and performs power amplification on the RF to-be-amplified signal to generate an RF output signal. The input module receives an RF input signal. The feedback module receives the RF output signal, cooperates with the input module to provide the RF to-be-amplified signal based on the RF input and output signals, and cooperates with the amplifying module to forma positive feedback loop that provides a loop gain which is less than one.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: October 30, 2018
    Assignee: NATIONAL CHI NAN UNIVERSITY
    Inventors: Yo-Sheng Lin, Van-Kien Nguyen
  • Patent number: 10102418
    Abstract: A method of segmenting images of biological specimens using adaptive classification to segment a biological specimen into different types of tissue regions. The segmentation is performed by, first, extracting features from the neighborhood of a grid of points (GPs) sampled on the whole-slide (WS) image and classifying them into different tissue types. Secondly, an adaptive classification procedure is performed where some or all of the GPs in a WS image are classified using a pre-built training database, and classification confidence scores for the GPs are generated. The classified GPs with high confidence scores are utilized to generate an adaptive training database, which is then used to re-classify the low confidence GPs. The motivation of the method is that the strong variation of tissue appearance makes the classification problem more challenging, while good classification results are obtained when the training and test data origin from the same slide.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: October 16, 2018
    Assignee: VENTANA MEDICAL SYSTEMS, INC.
    Inventors: Joerg Bredno, Christophe Chefd'hotel, Ting Chen, Srinivas Chukka, Kien Nguyen
  • Publication number: 20180286043
    Abstract: Methods and systems for generating a heat map that reduces bias in selecting FOVs are disclosed. Some disclosed methods include annotating a primary stained image, registering the annotation to a secondary serial specific stained image, using an image analysis algorithm to compute a scoring criteria specific to the tissue and assay type for tiled regions in the image, using a sliding window in the annotated tumor region to compute values for each pixel in a heat map which correlate to the specific scoring criteria, displaying the heat map at low resolution, ranking and selecting hot spots, selecting FOVs from the hot spot regions which results in displaying the slide-level score for the FOVs. The systems comprise, among other things, software configured to perform the referenced method.
    Type: Application
    Filed: June 4, 2018
    Publication date: October 4, 2018
    Inventors: Michael Barnes, Joerg Bredno, Christoph Chefd'hotel, Srinivas Chukka, Kien Nguyen, Anindya Sarkar
  • Publication number: 20180204048
    Abstract: Systems and methods discussed herein include, among other things, a method comprising quantifying analyte staining of a biological compartment in a region in which said staining is intermixed with analyte staining of an analytically-distinct distinct biological compartment. Disclosed systems and methods include, for example, a system and method for identifying membrane staining of an analyte of interest in regions where diffuse membrane staining is intermixed with cytoplasmic staining and/or punctate staining is disclosed. Disclosed systems and methods include, for example, a system and method for quantifying membrane staining of an analyte of interest in tissue or cytological samples having regions in which membrane staining is intermixed with cytoplasmic staining and/or punctate staining.
    Type: Application
    Filed: March 2, 2018
    Publication date: July 19, 2018
    Inventors: Christophe Chefd'hotel, Kien Nguyen
  • Publication number: 20170372117
    Abstract: Disclosed, among other things, is a computer device and computer-implemented method of classifying cells within an image of a tissue sample comprising providing the image of the tissue sample as input; computing nuclear feature metrics from features of nuclei within the image; computing contextual information metrics based on nuclei of interest with the image; classifying the cells within the image using a combination of the nuclear feature metrics and contextual information metrics.
    Type: Application
    Filed: May 10, 2017
    Publication date: December 28, 2017
    Inventors: Joerg Bredno, Christophe Chefd'hotel, Kien Nguyen