Patents by Inventor Ross Davies

Ross Davies 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: 11922647
    Abstract: An image processing apparatus comprises processing circuitry configured to: obtain a respective identity and location for each of a first plurality of landmarks in a reference volume; obtain a respective weighting for each landmark of the first plurality of landmarks; obtain a respective identity and location for each of a second plurality of landmarks in a further volume; and determine a transform based on a fit between the first plurality of landmarks and the second plurality of landmarks, wherein the fit is determined in dependence on the weightings.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: March 5, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Ross Davies, Steven Reynolds
  • Publication number: 20230073574
    Abstract: An image processing apparatus comprises processing circuitry configured to: obtain a respective identity and location for each of a first plurality of landmarks in a reference volume; obtain a respective weighting for each landmark of the first plurality of landmarks; obtain a respective identity and location for each of a second plurality of landmarks in a further volume; and determine a transform based on a fit between the first plurality of landmarks and the second plurality of landmarks, wherein the fit is determined in dependence on the weightings.
    Type: Application
    Filed: September 8, 2021
    Publication date: March 9, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Ross DAVIES, Steven REYNOLDS
  • Patent number: 11443476
    Abstract: A medical processing apparatus comprises processing circuitry configured to: receive an image data set for rendering; for each of a plurality of a pixels or voxels in the image data set: set a region of interest around the pixel or voxel; determine a maximum data value and a minimum data value for pixels or voxels in the region of interest; and designate the pixel or voxel as visible or as non-visible based on the maximum data value and the minimum data value for the region of interest; and perform a rendering process using the pixels or voxels of the image data set that designated as visible.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: September 13, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Steven Reynolds, Ross Davies
  • Patent number: 11417027
    Abstract: A medical image processing apparatus comprises processing circuitry configured to: acquire a data volume to be compressed; acquire a function relating color value to each data value of the data volume; and change a compression rate per region of the data volume based on color values in each region.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: August 16, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Ross Davies, Steven Reynolds
  • Publication number: 20220172402
    Abstract: A medical image processing apparatus comprises processing circuitry configured to: acquire a data volume to be compressed; acquire a function relating color value to each data value of the data volume; and change a compression rate per region of the data volume based on color values in each region.
    Type: Application
    Filed: December 1, 2020
    Publication date: June 2, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Ross DAVIES, Steven REYNOLDS
  • Publication number: 20210375027
    Abstract: A medical processing apparatus comprises processing circuitry configured to: receive an image data set for rendering; for each of a plurality of a pixels or voxels in the image data set: set a region of interest around the pixel or voxel; determine a maximum data value and a minimum data value for pixels or voxels in the region of interest; and designate the pixel or voxel as visible or as non-visible based on the maximum data value and the minimum data value for the region of interest; and perform a rendering process using the pixels or voxels of the image data set that designated as visible.
    Type: Application
    Filed: May 27, 2020
    Publication date: December 2, 2021
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Steven REYNOLDS, Ross Davies
  • Publication number: 20210350610
    Abstract: A medical image processing apparatus comprises a buffer; and processing circuitry configured to: obtain a volumetric image data set; determine, from the volumetric image data set, a plurality of intervals along a path through the volumetric image data set, each interval having a respective depth from a reference position of the path; for each of the plurality of intervals, determine respective parameter values of a respective continuous function representative of a transparency of the interval; store the parameter values for the continuous functions to the buffer; and generate a rendered image using the stored parameter values for the continuous functions.
    Type: Application
    Filed: May 7, 2020
    Publication date: November 11, 2021
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Ross DAVIES
  • Patent number: 11158114
    Abstract: An image processing apparatus for generating an image from volumetric data includes processing circuitry configured to: obtain a volumetric data set; obtain a heterogeneity map based on the volumetric data set; determine positions of a set of non-periodic sampling points using the heterogeneity map; generate from the volumetric data set a set of sampled data values based on the determined positions of the non-periodic sampling points; and generate an image data set by performing an aggregation process to generate a set of image data points from the set of sampled data values.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: October 26, 2021
    Assignee: Canon Medical Systems Corporation
    Inventor: Ross Davies
  • Patent number: 11151771
    Abstract: A medical image processing apparatus comprises a buffer; and processing circuitry configured to: obtain a volumetric image data set; determine, from the volumetric image data set, a plurality of intervals along a path through the volumetric image data set, each interval having a respective depth from a reference position of the path; for each of the plurality of intervals, determine respective parameter values of a respective continuous function representative of a transparency of the interval; store the parameter values for the continuous functions to the buffer; and generate a rendered image using the stored parameter values for the continuous functions.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: October 19, 2021
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Ross Davies
  • Publication number: 20200372700
    Abstract: An image processing apparatus for generating an image from volumetric data includes processing circuitry configured to: obtain a volumetric data set; obtain a heterogeneity map based on the volumetric data set; determine positions of a set of non-periodic sampling points using the heterogeneity map; generate from the volumetric data set a set of sampled data values based on the determined positions of the non-periodic sampling points; and generate an image data set by performing an aggregation process to generate a set of image data points from the set of sampled data values.
    Type: Application
    Filed: May 20, 2019
    Publication date: November 26, 2020
    Applicant: Canon Medical Systems Corporation
    Inventor: Ross DAVIES
  • Patent number: 10719907
    Abstract: A data processing apparatus comprises a first memory configured to store at least one data set; a second memory configured to store a multi-channel atlas texture; and processing circuitry configured to: store at least one region of the at least one data set in one or more corresponding regions of the multi-channel atlas texture by altering data values of the at least one region of the at least one data set in accordance with a transformation vector comprising at least one channel weight and/or at least one numerical offset value; and reconstruct data values from the altered data values by transforming the altered data values using the transformation vector.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: July 21, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Magnus Wahrenberg, Ross Davies
  • Publication number: 20190266696
    Abstract: A data processing apparatus comprises a first memory configured to store at least one data set; a second memory configured to store a multi-channel atlas texture; and processing circuitry configured to: store at least one region of the at least one data set in one or more corresponding regions of the multi-channel atlas texture by altering data values of the at least one region of the at least one data set in accordance with a transformation vector comprising at least one channel weight and/or at least one numerical offset value; and reconstruct data values from the altered data values by transforming the altered data values using the transformation vector.
    Type: Application
    Filed: February 27, 2018
    Publication date: August 29, 2019
    Applicant: Canon Medical Systems Corporation
    Inventors: Magnus Wahrenberg, Ross Davies