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).
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Patent number: 11922647Abstract: 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: GrantFiled: September 8, 2021Date of Patent: March 5, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Ross Davies, Steven Reynolds
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Publication number: 20230073574Abstract: 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: ApplicationFiled: September 8, 2021Publication date: March 9, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Ross DAVIES, Steven REYNOLDS
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Patent number: 11443476Abstract: 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: GrantFiled: May 27, 2020Date of Patent: September 13, 2022Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Steven Reynolds, Ross Davies
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Patent number: 11417027Abstract: 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: GrantFiled: December 1, 2020Date of Patent: August 16, 2022Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Ross Davies, Steven Reynolds
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Publication number: 20220172402Abstract: 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: ApplicationFiled: December 1, 2020Publication date: June 2, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Ross DAVIES, Steven REYNOLDS
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Publication number: 20210375027Abstract: 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: ApplicationFiled: May 27, 2020Publication date: December 2, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Steven REYNOLDS, Ross Davies
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Publication number: 20210350610Abstract: 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: ApplicationFiled: May 7, 2020Publication date: November 11, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Ross DAVIES
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Patent number: 11158114Abstract: 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: GrantFiled: May 20, 2019Date of Patent: October 26, 2021Assignee: Canon Medical Systems CorporationInventor: Ross Davies
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Patent number: 11151771Abstract: 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: GrantFiled: May 7, 2020Date of Patent: October 19, 2021Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventor: Ross Davies
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Publication number: 20200372700Abstract: 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: ApplicationFiled: May 20, 2019Publication date: November 26, 2020Applicant: Canon Medical Systems CorporationInventor: Ross DAVIES
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Patent number: 10719907Abstract: 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: GrantFiled: February 27, 2018Date of Patent: July 21, 2020Assignee: Canon Medical Systems CorporationInventors: Magnus Wahrenberg, Ross Davies
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Publication number: 20190266696Abstract: 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: ApplicationFiled: February 27, 2018Publication date: August 29, 2019Applicant: Canon Medical Systems CorporationInventors: Magnus Wahrenberg, Ross Davies