Patents by Inventor Eiko Kosuge

Eiko Kosuge 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).

  • System and method for comparing dental X-ray images
    Patent number: 8045772
    Abstract: A system for comparing dental X-ray images includes a positional displacement calculator calculating a positional displacement between dental X-ray test and reference images by using phase-only correlation, a positional displacement corrector correcting the positional displacement, a base point extractor defining, as a base image, any one of the dental X-ray test and reference images, and defining, as a corresponding image, the other one of the two dental images, and extracting base points from the base image, a corresponding point extractor extracting corresponding points, which correspond to the base points, from the corresponding image, a correspondence calculator calculating correspondence between the base points and the corresponding points, a nonlinear distortion corrector correcting a nonlinear distortion between the base image and the corresponding image, based on the correspondence, and a similarity calculator finding, by using phase-only correlation, a similarity between the base image and the corre
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: October 25, 2011
    Assignees: Tohoku University
    Inventors: Eiko Kosuge, Koichi Ito, Takafumi Aoki
  • System And Method For Comparing Dental X-Ray Images
    Publication number: 20090274997
    Abstract: A system for comparing dental X-ray images includes a positional displacement calculator calculating a positional displacement between dental X-ray test and reference images by using phase-only correlation, a positional displacement corrector correcting the positional displacement, a base point extractor defining, as a base image, any one of the dental X-ray test and reference images, and defining, as a corresponding image, the other one of the two dental images, and extracting base points from the base image, a corresponding point extractor extracting corresponding points, which correspond to the base points, from the corresponding image, a correspondence calculator calculating correspondence between the base points and the corresponding points, a nonlinear distortion corrector correcting a nonlinear distortion between the base image and the corresponding image, based on the correspondence, and a similarity calculator finding, by using phase-only correlation, a similarity between the base image and the corre
    Type: Application
    Filed: July 1, 2008
    Publication date: November 5, 2009
    Applicants: TOHOKU UNIVERSITY
    Inventors: Eiko Kosuge, Koichi Ito, Takafumi Aoki