×

Image averaging for angiography by registration and combination of serial images

  • US 4,263,916 A
  • Filed: 03/27/1978
  • Issued: 04/28/1981
  • Est. Priority Date: 03/27/1978
  • Status: Expired due to Term
First Claim
Patent Images

1. In a method of arterial angiography, in which an image of an artery section is obtained along a fixed direction with respect to said section, the steps comprising:

  • injecting a contrast medium distant from an artery section of interest to mix with blood to flow through said artery section;

    thereafter sequentially obtaining multiple images of said artery section along said fixed direction;

    registering said multiple images in accordance with information contained in said multiple images;

    identifying corresponding image segments on each of said registered multiple images;

    determining the density of each identified image segment;

    combining said image segment densities of corresponding image segments into a single image segment; and

    constructing a composite single image of said artery section of interest from said combined image segment densities.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×