Patents by Inventor Lars Conrad-Hansen

Lars Conrad-Hansen 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).

  • Method of deriving a quantitative measure of a degree of calcification of an aorta
    Patent number: 7844090
    Abstract: A method of deriving a quantitative measure of a degree of calcification of a blood vessel such as an aorta by processing an image such as an X-ray image of at least a part of the blood vessel containing said calcification comprises: taking a starting set of digital data representative of an image of at least part of a blood vessel containing a calcification set against a background; estimating the boundary of the calcification; using inpainting to replace digital data in said starting set representing the calcification with data extrapolating the boundary of the background to extend over the area of calcification, and so generating an inpainted set of digital data; and computing the difference between the starting set of digital data and the inpainted set of digital data to obtain a quantitative measure of the degree of calcification of the blood vessel.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: November 30, 2010
    Assignee: Nordic Bioscience Imaging A/S
    Inventors: Marleen De Bruijne, Mads Nielsen, Claus Christiansen, Lars A. Conrad-Hansen, Francois B. Lauze
  • Method of deriving a quantitative measure of a degree of calcification of an aorta
    Publication number: 20090216094
    Abstract: A method of deriving a quantitative measure of a degree of calcification of a blood vessel such as an aorta by processing an image such as an X-ray image of at least a part of the blood vessel containing said calcification comprises: taking a starting set of digital data representative of an image of at least part of a blood vessel containing a calcification set against a background; estimating the boundary of the calcification; using inpainting to replace digital data in said starting set representing the calcification with data extrapolating the boundary of the background to extend over the area of calcification, and so generating an inpainted set of digital data; and computing the difference between the starting set of digital data and the inpainted set of digital data to obtain a quantitative measure of the degree of calcification of the blood vessel.
    Type: Application
    Filed: June 2, 2006
    Publication date: August 27, 2009
    Applicant: Nordic Bioscience A/S
    Inventors: Marleen De Bruijne, Mads Nielsen, Claus Christiansen, Lars A. Conrad-Hansen, Francois B. Lauze
  • Method of deriving a quantitative measure of a degree of calcification of an aorta
    Patent number: 7561727
    Abstract: A method of deriving a quantitative measure of a degree of calcification of a blood vessel such as an aorta by processing an image such as an X-ray image of at least a part of the blood vessel containing said calcification comprises: taking a starting set of digital data representative of an image of at least part of a blood vessel containing a calcification set against a background; estimating the boundary of the calcification; using inpainting to replace digital data in said starting set representing the calcification with data extrapolating the boundary of the background to extend over the area of calcification, and so generating an inpainted set of digital data; and computing the difference between the starting set of digital data and the inpainted set of digital data to obtain a quantitative measure of the degree of calcification of the blood vessel.
    Type: Grant
    Filed: October 10, 2005
    Date of Patent: July 14, 2009
    Assignee: Nordic Bioscience Imaging A/S
    Inventors: Lars A. Conrad-Hansen, Marleen de Bruijne, Francois Bernard Lauze, Claus Christiansen, Mads Nielsen
  • Method of deriving a quantitative measure of a degree of calcification of an aorta
    Patent number: 7463758
    Abstract: A method of deriving a quantitative measure of a degree of calcification of a blood vessel such as an aorta by processing an image such as an X-ray image of at least a part of the blood vessel containing said calcification comprises: taking a starting set of digital data representative of an image of at least part of a blood vessel containing a calcification set against a background; estimating the boundary of the calcification; using inpainting to replace digital data in said starting set representing the calcification with data extrapolating the boundary of the background to extend over the area of calcification, and so generating an inpainted set of digital data; and computing the difference between the starting set of digital data and the inpainted set of digital data to obtain a quantitative measure of the degree of calcification of the blood vessel.
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: December 9, 2008
    Assignee: Nordio Bioscience A/S
    Inventors: Lars A. Conrad-Hansen, Marleen de Bruijne, Francois Bernard Lauze, Claus Christiansen, Mads Nielsen
  • Method of deriving a quantitative measure of a degree of calcification of an aorta
    Publication number: 20060280350
    Abstract: A method of deriving a quantitative measure of a degree of calcification of a blood vessel such as an aorta by processing an image such as an X-ray image of at least a part of the blood vessel containing said calcification comprises: taking a starting set of digital data representative of an image of at least part of a blood vessel containing a calcification set against a background; estimating the boundary of the calcification; using inpainting to replace digital data in said starting set representing the calcification with data extrapolating the boundary of the background to extend over the area of calcification, and so generating an inpainted set of digital data; and computing the difference between the starting set of digital data and the inpainted set of digital data to obtain a quantitative measure of the degree of calcification of the blood vessel.
    Type: Application
    Filed: October 10, 2005
    Publication date: December 14, 2006
    Inventors: Lars Conrad-Hansen, Marleen Bruijne, Francios Lauze, Claus Christiansen, Mads Nielsen
  • Method of deriving a quantitative measure of a degree of calcification of an aorta
    Publication number: 20060274927
    Abstract: A method of deriving a quantitative measure of a degree of calcification of a blood vessel such as an aorta by processing an image such as an X-ray image of at least a part of the blood vessel containing said calcification comprises: taking a starting set of digital data representative of an image of at least part of a blood vessel containing a calcification set against a background; estimating the boundary of the calcification; using inpainting to replace digital data in said starting set representing the calcification with data extrapolating the boundary of the background to extend over the area of calcification, and so generating an inpainted set of digital data; and computing the difference between the starting set of digital data and the inpainted set of digital data to obtain a quantitative measure of the degree of calcification of the blood vessel.
    Type: Application
    Filed: June 2, 2005
    Publication date: December 7, 2006
    Inventors: Lars Conrad-Hansen, Marleen Bruijne, Francois Lauze, Claus Christiansen, Mads Nielsen